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abra zsh config 2.0

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This commit is contained in:
Andrey Anurin
2018-08-12 15:26:21 +03:00
parent 201abd09c4
commit 6b114440e2
1195 changed files with 68948 additions and 10539 deletions
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[*]
charset = utf-8
end_of_line = lf
insert_final_newline = true
trim_trailing_whitespace = true
indent_style = tab
indent_size = 4
[*.md]
indent_style = space
[*.rb]
indent_style = space
indent_size = 2
[*.yml]
indent_style = space
indent_size = 2

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gitdir: ../../../.git/modules/modules/autosuggestions/external

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--color
--require spec_helper
--format documentation

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# Rails:
# Enabled: true
AllCops:
TargetRubyVersion: 2.3
Include:
- '**/Rakefile'
- '**/config.ru'
- '**/Gemfile'
Metrics/LineLength:
Max: 120
Style/Documentation:
Enabled: false
Style/DotPosition:
EnforcedStyle: trailing
Style/FrozenStringLiteralComment:
Enabled: false
Style/Lambda:
Enabled: false
Style/MultilineMethodCallIndentation:
EnforcedStyle: indented
Style/TrailingUnderscoreVariable:
Enabled: false

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2.3.1

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# Changelog
## v0.4.3
- Avoid bell when accepting suggestions with `autosuggest-accept` (#228)
- Don't fetch suggestions after [up,down]-line-or-beginning-search (#227, #241)
- We are now running CI against new 5.5.1 version
- Fix partial-accept in vi mode (#188)
- Fix suggestion disappearing on fast movement after switching to `vicmd` mode (#290)
- Fix issue rotating through kill ring with `yank-pop` (#301)
- Fix issue creating new pty for async mode when previous pty is not properly cleaned up (#249)
## v0.4.2
- Fix bug in zsh versions older than 5.0.8 (#296)
- Officially support back to zsh v4.3.11
## v0.4.1
- Switch to [[ and (( conditionals instead of [ (#257)
- Avoid warnnestedvar warnings with `typeset -g` (#275)
- Replace tabs with spaces in yaml (#268)
- Clean up and fix escaping of special characters (#267)
- Add `emacs-forward-word` to default list of partial accept widgets (#246)
## v0.4.0
- High-level integration tests using RSpec and tmux
- Add continuous integration with Circle CI
- Experimental support for asynchronous suggestions (#170)
- Fix problems with multi-line suggestions (#225)
- Optimize case where manually typing in suggestion
- Avoid wrapping any zle-* widgets (#206)
- Remove support for deprecated options from v0.0.x
- Handle history entries that begin with dashes
- Gracefully handle being sourced multiple times (#126)
- Add enable/disable/toggle widgets to disable/enable suggestions (#219)
## v0.3.3
- Switch from $history array to fc builtin for better performance with large HISTFILEs (#164)
- Fix tilde handling when extended_glob is set (#168)
- Add config option for maximum buffer length to fetch suggestions for (#178)
- Add config option for list of widgets to ignore (#184)
- Don't fetch a new suggestion unless a modification widget actually modifies the buffer (#183)
## v0.3.2
- Test runner now supports running specific tests and choosing zsh binary
- Return code from original widget is now correctly passed through (#135)
- Add `vi-add-eol` to list of accept widgets (#143)
- Escapes widget names within evals to fix problems with irregular widget names (#152)
- Plugin now clears suggestion while within a completion menu (#149)
- .plugin file no longer relies on symbolic link support, fixing issues on Windows (#156)
## v0.3.1
- Fixes issue with `vi-next-char` not accepting suggestion (#137).
- Fixes global variable warning when WARN_CREATE_GLOBAL option enabled (#133).
- Split out a separate test file for each widget.
## v0.3.0
- Adds `autosuggest-execute` widget (PR #124).
- Adds concept of suggestion "strategies" for different ways of fetching suggestions.
- Adds "match_prev_cmd" strategy (PR #131).
- Uses git submodules for testing dependencies.
- Lots of test cleanup.
- Various bug fixes for zsh 5.0.x and `sh_word_split` option.
## v0.2.17
Start of changelog.

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Fish-like fast/unobtrusive autosuggestions for zsh.

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source 'https://rubygems.org'
gem 'rspec'
gem 'rspec-wait'
gem 'pry-byebug'

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GEM
remote: https://rubygems.org/
specs:
byebug (9.0.5)
coderay (1.1.1)
diff-lcs (1.3)
method_source (0.8.2)
pry (0.10.4)
coderay (~> 1.1.0)
method_source (~> 0.8.1)
slop (~> 3.4)
pry-byebug (3.4.0)
byebug (~> 9.0)
pry (~> 0.10)
rspec (3.5.0)
rspec-core (~> 3.5.0)
rspec-expectations (~> 3.5.0)
rspec-mocks (~> 3.5.0)
rspec-core (3.5.4)
rspec-support (~> 3.5.0)
rspec-expectations (3.5.0)
diff-lcs (>= 1.2.0, < 2.0)
rspec-support (~> 3.5.0)
rspec-mocks (3.5.0)
diff-lcs (>= 1.2.0, < 2.0)
rspec-support (~> 3.5.0)
rspec-support (3.5.0)
rspec-wait (0.0.9)
rspec (>= 3, < 4)
slop (3.6.0)
PLATFORMS
ruby
DEPENDENCIES
pry-byebug
rspec
rspec-wait
BUNDLED WITH
1.13.6

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## Installation
### Manual (Git Clone)
1. Clone this repository somewhere on your machine. This guide will assume `~/.zsh/zsh-autosuggestions`.
```sh
git clone https://github.com/zsh-users/zsh-autosuggestions ~/.zsh/zsh-autosuggestions
```
2. Add the following to your `.zshrc`:
```sh
source ~/.zsh/zsh-autosuggestions/zsh-autosuggestions.zsh
```
3. Start a new terminal session.
### Oh My Zsh
1. Clone this repository into `$ZSH_CUSTOM/plugins` (by default `~/.oh-my-zsh/custom/plugins`)
```sh
git clone https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions
```
2. Add the plugin to the list of plugins for Oh My Zsh to load:
```sh
plugins=(zsh-autosuggestions)
```
3. Start a new terminal session.
### Arch Linux
1. Install [`zsh-autosuggestions`](https://www.archlinux.org/packages/community/any/zsh-autosuggestions/) from the `community` repository.
```sh
pacman -S zsh-autosuggestions
```
or, to use a package based on the `master` branch, install [`zsh-autosuggestions-git`](https://aur.archlinux.org/packages/zsh-autosuggestions-git/) from the [AUR](https://wiki.archlinux.org/index.php/Arch_User_Repository).
2. Add the following to your `.zshrc`:
```sh
source /usr/share/zsh/plugins/zsh-autosuggestions/zsh-autosuggestions.zsh
```
3. Start a new terminal session.
### macOS via Homebrew
1. Install the `zsh-autosuggestions` package using [Homebrew](https://brew.sh/).
```sh
brew install zsh-autosuggestions
```
2. Add the following to your `.zshrc`:
```sh
source /usr/local/share/zsh-autosuggestions/zsh-autosuggestions.zsh
```
3. Start a new terminal session.

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Copyright (c) 2013 Thiago de Arruda
Copyright (c) 2016-2018 Eric Freese
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following
conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

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SRC_DIR := ./src
SRC_FILES := \
$(SRC_DIR)/setup.zsh \
$(SRC_DIR)/config.zsh \
$(SRC_DIR)/util.zsh \
$(SRC_DIR)/features.zsh \
$(SRC_DIR)/bind.zsh \
$(SRC_DIR)/highlight.zsh \
$(SRC_DIR)/widgets.zsh \
$(SRC_DIR)/strategies/*.zsh \
$(SRC_DIR)/async.zsh \
$(SRC_DIR)/start.zsh
HEADER_FILES := \
DESCRIPTION \
URL \
VERSION \
LICENSE
PLUGIN_TARGET := zsh-autosuggestions.zsh
all: $(PLUGIN_TARGET)
$(PLUGIN_TARGET): $(HEADER_FILES) $(SRC_FILES)
cat $(HEADER_FILES) | sed -e 's/^/# /g' > $@
cat $(SRC_FILES) >> $@
.PHONY: clean
clean:
rm $(PLUGIN_TARGET)
.PHONY: test
test: all
@test -n "$$TEST_ZSH_BIN" && echo "Testing zsh binary: $(TEST_ZSH_BIN)" || true
bundle exec rspec $(TESTS)

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# zsh-autosuggestions
_[Fish](http://fishshell.com/)-like fast/unobtrusive autosuggestions for zsh._
It suggests commands as you type, based on command history.
Requirements: Zsh v4.3.11 or later
[![CircleCI](https://circleci.com/gh/zsh-users/zsh-autosuggestions.svg?style=svg)](https://circleci.com/gh/zsh-users/zsh-autosuggestions)
<a href="https://asciinema.org/a/37390" target="_blank"><img src="https://asciinema.org/a/37390.png" width="400" /></a>
## Installation
See [INSTALL.md](INSTALL.md).
## Usage
As you type commands, you will see a completion offered after the cursor in a muted gray color. This color can be changed by setting the `ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE` variable. See [configuration](#configuration).
If you press the <kbd>→</kbd> key (`forward-char` widget) or <kbd>End</kbd> (`end-of-line` widget) with the cursor at the end of the buffer, it will accept the suggestion, replacing the contents of the command line buffer with the suggestion.
If you invoke the `forward-word` widget, it will partially accept the suggestion up to the point that the cursor moves to.
## Configuration
You may want to override the default global config variables after sourcing the plugin. Default values of these variables can be found [here](src/config.zsh).
**Note:** If you are using Oh My Zsh, you can put this configuration in a file in the `$ZSH_CUSTOM` directory. See their comments on [overriding internals](https://github.com/robbyrussell/oh-my-zsh/wiki/Customization#overriding-internals).
### Suggestion Highlight Style
Set `ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE` to configure the style that the suggestion is shown with. The default is `fg=8`.
### Suggestion Strategy
Set `ZSH_AUTOSUGGEST_STRATEGY` to choose the strategy for generating suggestions. There are currently two to choose from:
- `default`: Chooses the most recent match.
- `match_prev_cmd`: Chooses the most recent match whose preceding history item matches the most recently executed command ([more info](src/strategies/match_prev_cmd.zsh)). Note that this strategy won't work as expected with ZSH options that don't preserve the history order such as `HIST_IGNORE_ALL_DUPS` or `HIST_EXPIRE_DUPS_FIRST`.
### Widget Mapping
This plugin works by triggering custom behavior when certain [zle widgets](http://zsh.sourceforge.net/Doc/Release/Zsh-Line-Editor.html#Zle-Widgets) are invoked. You can add and remove widgets from these arrays to change the behavior of this plugin:
- `ZSH_AUTOSUGGEST_CLEAR_WIDGETS`: Widgets in this array will clear the suggestion when invoked.
- `ZSH_AUTOSUGGEST_ACCEPT_WIDGETS`: Widgets in this array will accept the suggestion when invoked.
- `ZSH_AUTOSUGGEST_EXECUTE_WIDGETS`: Widgets in this array will execute the suggestion when invoked.
- `ZSH_AUTOSUGGEST_PARTIAL_ACCEPT_WIDGETS`: Widgets in this array will partially accept the suggestion when invoked.
- `ZSH_AUTOSUGGEST_IGNORE_WIDGETS`: Widgets in this array will not trigger any custom behavior.
Widgets that modify the buffer and are not found in any of these arrays will fetch a new suggestion after they are invoked.
**Note:** A widget shouldn't belong to more than one of the above arrays.
### Disabling suggestion for large buffers
Set `ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE` to an integer value to disable autosuggestion for large buffers. The default is unset, which means that autosuggestion will be tried for any buffer size. Recommended value is 20.
This can be useful when pasting large amount of text in the terminal, to avoid triggering autosuggestion for too long strings.
### Enable Asynchronous Mode
As of `v0.4.0`, suggestions can be fetched asynchronously using the `zsh/zpty` module. To enable this behavior, set the `ZSH_AUTOSUGGEST_USE_ASYNC` variable (it can be set to anything).
### Key Bindings
This plugin provides a few widgets that you can use with `bindkey`:
1. `autosuggest-accept`: Accepts the current suggestion.
2. `autosuggest-execute`: Accepts and executes the current suggestion.
3. `autosuggest-clear`: Clears the current suggestion.
4. `autosuggest-fetch`: Fetches a suggestion (works even when suggestions are disabled).
5. `autosuggest-disable`: Disables suggestions.
6. `autosuggest-enable`: Re-enables suggestions.
7. `autosuggest-toggle`: Toggles between enabled/disabled suggestions.
For example, this would bind <kbd>ctrl</kbd> + <kbd>space</kbd> to accept the current suggestion.
```sh
bindkey '^ ' autosuggest-accept
```
## Troubleshooting
If you have a problem, please search through [the list of issues on GitHub](https://github.com/zsh-users/zsh-autosuggestions/issues) to see if someone else has already reported it.
### Reporting an Issue
Before reporting an issue, please try temporarily disabling sections of your configuration and other plugins that may be conflicting with this plugin to isolate the problem.
When reporting an issue, please include:
- The smallest, simplest `.zshrc` configuration that will reproduce the problem. See [this comment](https://github.com/zsh-users/zsh-autosuggestions/issues/102#issuecomment-180944764) for a good example of what this means.
- The version of zsh you're using (`zsh --version`)
- Which operating system you're running
## Uninstallation
1. Remove the code referencing this plugin from `~/.zshrc`.
2. Remove the git repository from your hard drive
```sh
rm -rf ~/.zsh/zsh-autosuggestions # Or wherever you installed
```
## Development
### Build Process
Edit the source files in `src/`. Run `make` to build `zsh-autosuggestions.zsh` from those source files.
### Pull Requests
Pull requests are welcome! If you send a pull request, please:
- Request to merge into the `develop` branch (*NOT* `master`)
- Match the existing coding conventions.
- Include helpful comments to keep the barrier-to-entry low for people new to the project.
- Write tests that cover your code as much as possible.
### Testing
Tests are written in ruby using the [`rspec`](http://rspec.info/) framework. They use [`tmux`](https://tmux.github.io/) to drive a pseudoterminal, sending simulated keystrokes and making assertions on the terminal content.
Test files live in `spec/`. To run the tests, run `make test`. To run a specific test, run `TESTS=spec/some_spec.rb make test`. You can also specify a `zsh` binary to use by setting the `TEST_ZSH_BIN` environment variable (ex: `TEST_ZSH_BIN=/bin/zsh make test`).
## License
This project is licensed under [MIT license](http://opensource.org/licenses/MIT).
For the full text of the license, see the [LICENSE](LICENSE) file.

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https://github.com/zsh-users/zsh-autosuggestions

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v0.4.3

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machine:
environment:
ZSH_VERSIONS: zsh-dev/4.3.11 zsh/5.0.2 zsh/5.0.8 zsh/5.1.1 zsh/5.2 zsh/5.3.1 zsh/5.4.2 zsh/5.5.1
dependencies:
pre:
- for v in $(echo $ZSH_VERSIONS | awk "{ for (i=$((1+CIRCLE_NODE_INDEX));i<=NF;i+=$CIRCLE_NODE_TOTAL) print \$i }"); do wget https://sourceforge.net/projects/zsh/files/$v/zsh-${v#*/}.tar.gz && tar xzf zsh-${v#*/}.tar.gz && pushd zsh-${v#*/} && ./configure && sudo make install && popd || exit 1; done
test:
override:
- for v in $(echo $ZSH_VERSIONS | awk "{ for (i=$((1+CIRCLE_NODE_INDEX));i<=NF;i+=$CIRCLE_NODE_TOTAL) print \$i }"); do TEST_ZSH_BIN=/usr/local/bin/zsh-${v#*/} make test || exit 1; done:
parallel: true

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context 'with asynchronous suggestions enabled' do
let(:options) { ["ZSH_AUTOSUGGEST_USE_ASYNC="] }
describe '`up-line-or-beginning-search`' do
let(:before_sourcing) do
-> do
session.
run_command('autoload -U up-line-or-beginning-search').
run_command('zle -N up-line-or-beginning-search').
send_string('bindkey "').
send_keys('C-v').send_keys('up').
send_string('" up-line-or-beginning-search').
send_keys('enter')
end
end
it 'should show previous history entries' do
with_history(
'echo foo',
'echo bar',
'echo baz'
) do
session.clear_screen
3.times { session.send_keys('up') }
wait_for { session.content }.to eq("echo foo")
end
end
end
describe 'exiting a subshell' do
it 'should not cause error messages to be printed' do
session.run_command('$(exit)')
sleep 1
expect(session.content).to eq('$(exit)')
end
end
end

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describe 'pasting using bracketed-paste-magic' do
let(:before_sourcing) do
-> do
session.
run_command('autoload -Uz bracketed-paste-magic').
run_command('zle -N bracketed-paste bracketed-paste-magic')
end
end
context 'with suggestions disabled while pasting' do
before do
session.
run_command('bpm_init() { zle autosuggest-disable }').
run_command('bpm_finish() { zle autosuggest-enable }').
run_command('zstyle :bracketed-paste-magic paste-init bpm_init').
run_command('zstyle :bracketed-paste-magic paste-finish bpm_finish')
end
it 'does not show an incorrect suggestion' do
with_history('echo hello') do
session.paste_string("echo #{'a' * 60}")
sleep 1
expect(session.content).to eq("echo #{'a' * 60}")
end
end
end
end

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describe 'a running zpty command' do
let(:before_sourcing) { -> { session.run_command('zmodload zsh/zpty && zpty -b kitty cat') } }
it 'is not affected by running zsh-autosuggestions' do
sleep 1 # Give a little time for precmd hooks to run
session.run_command('zpty -t kitty; echo $?')
wait_for { session.content }.to end_with("\n0")
end
end

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describe 'rebinding [' do
context 'initialized before sourcing the plugin' do
before do
session.run_command("function [ { $commands[\\[] \"$@\" }")
session.clear_screen
end
it 'executes the custom behavior and the built-in behavior' do
session.send_string('asdf')
wait_for { session.content }.to eq('asdf')
end
end
end

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describe 'when using vi mode' do
let(:before_sourcing) do
-> do
session.run_command('bindkey -v')
end
end
describe 'moving the cursor after exiting insert mode' do
it 'should not clear the current suggestion' do
with_history('foobar foo') do
session.
send_string('foo').
send_keys('escape').
send_keys('h')
wait_for { session.content }.to eq('foobar foo')
end
end
end
describe '`vi-forward-word-end`' do
it 'should accept through the end of the current word' do
with_history('foobar foo') do
session.
send_string('foo').
send_keys('escape').
send_keys('e'). # vi-forward-word-end
send_keys('a'). # vi-add-next
send_string('baz')
wait_for { session.content }.to eq('foobarbaz')
end
end
end
describe '`vi-forward-word`' do
it 'should accept through the first character of the next word' do
with_history('foobar foo') do
session.
send_string('foo').
send_keys('escape').
send_keys('w'). # vi-forward-word
send_keys('a'). # vi-add-next
send_string('az')
wait_for { session.content }.to eq('foobar faz')
end
end
end
describe '`vi-find-next-char`' do
it 'should accept through the next occurrence of the character' do
with_history('foobar foo') do
session.
send_string('foo').
send_keys('escape').
send_keys('f'). # vi-find-next-char
send_keys('o').
send_keys('a'). # vi-add-next
send_string('b')
wait_for { session.content }.to eq('foobar fob')
end
end
end
end

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describe 'a wrapped widget' do
let(:widget) { 'backward-delete-char' }
context 'initialized before sourcing the plugin' do
let(:before_sourcing) do
-> do
session.
run_command("_orig_#{widget}() { zle .#{widget} }").
run_command("zle -N orig-#{widget} _orig_#{widget}").
run_command("#{widget}-magic() { zle orig-#{widget}; BUFFER+=b }").
run_command("zle -N #{widget} #{widget}-magic")
end
end
it 'executes the custom behavior and the built-in behavior' do
with_history('foobar', 'foodar') do
session.send_string('food').send_keys('C-h')
wait_for { session.content }.to eq('foobar')
end
end
end
context 'initialized after sourcing the plugin' do
before do
session.
run_command("zle -N orig-#{widget} ${widgets[#{widget}]#*:}").
run_command("#{widget}-magic() { zle orig-#{widget}; BUFFER+=b }").
run_command("zle -N #{widget} #{widget}-magic").
clear_screen
end
it 'executes the custom behavior and the built-in behavior' do
with_history('foobar', 'foodar') do
session.send_string('food').send_keys('C-h')
wait_for { session.content }.to eq('foobar')
end
end
end
end

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describe 'using `zle -U`' do
let(:before_sourcing) do
-> do
session.
run_command('_zsh_autosuggest_strategy_test() { sleep 1; _zsh_autosuggest_strategy_default "$1" }').
run_command('foo() { zle -U - "echo hello" }; zle -N foo; bindkey ^B foo')
end
end
let(:options) { ['unset ZSH_AUTOSUGGEST_USE_ASYNC', 'ZSH_AUTOSUGGEST_STRATEGY=test'] }
# TODO: This is only possible with the $KEYS_QUEUED_COUNT widget parameter, coming soon...
xit 'does not fetch a suggestion for every inserted character' do
session.send_keys('C-b')
wait_for { session.content }.to eq('echo hello')
end
it 'shows a suggestion when the widget completes' do
with_history('echo hello world') do
session.send_keys('C-b')
wait_for { session.content(esc_seqs: true) }.to match(/\Aecho hello\e\[[0-9]+m world/)
end
end
end

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.zprezto/modules/autosuggestions/external/spec/kill_ring_spec.rb vendored Normal file
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context 'with some items in the kill ring' do
before do
session.
send_string('echo foo').
send_keys('C-u').
send_string('echo bar').
send_keys('C-u')
end
describe '`yank-pop`' do
it 'should cycle through all items in the kill ring' do
session.send_keys('C-y')
wait_for { session.content }.to eq('echo bar')
session.send_keys('escape').send_keys('y')
wait_for { session.content }.to eq('echo foo')
session.send_keys('escape').send_keys('y')
wait_for { session.content }.to eq('echo bar')
end
end
end

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.zprezto/modules/autosuggestions/external/spec/multi_line_spec.rb vendored Normal file
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describe 'a multi-line suggestion' do
it 'should be displayed on multiple lines' do
with_history(-> {
session.send_string('echo "')
session.send_keys('enter')
session.send_string('"')
session.send_keys('enter')
}) do
session.send_keys('e')
wait_for { session.content }.to eq("echo \"\n\"")
end
end
end

19
.zprezto/modules/autosuggestions/external/spec/options/async_zpty_name_spec.rb vendored Normal file
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context 'when async suggestions are enabled' do
let(:options) { ["ZSH_AUTOSUGGEST_USE_ASYNC="] }
describe 'the zpty for async suggestions' do
it 'is created with the default name' do
session.run_command('zpty -t zsh_autosuggest_pty &>/dev/null; echo $?')
wait_for { session.content }.to end_with("\n0")
end
context 'when ZSH_AUTOSUGGEST_ASYNC_PTY_NAME is set' do
let(:options) { super() + ['ZSH_AUTOSUGGEST_ASYNC_PTY_NAME=foo_pty'] }
it 'is created with the specified name' do
session.run_command('zpty -t foo_pty &>/dev/null; echo $?')
wait_for { session.content }.to end_with("\n0")
end
end
end
end

30
.zprezto/modules/autosuggestions/external/spec/options/buffer_max_size_spec.rb vendored Normal file
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describe 'a suggestion' do
let(:term_opts) { { width: 200 } }
let(:long_command) { "echo #{'a' * 100}" }
around do |example|
with_history(long_command) { example.run }
end
it 'is provided for any buffer length' do
session.send_string(long_command[0...-1])
wait_for { session.content }.to eq(long_command)
end
context 'when ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE is specified' do
let(:buffer_max_size) { 10 }
let(:options) { ["ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE=#{buffer_max_size}"] }
it 'is provided when the buffer is shorter than the specified length' do
session.send_string(long_command[0...(buffer_max_size - 1)])
wait_for { session.content }.to eq(long_command)
end
it 'is provided when the buffer is equal to the specified length' do
session.send_string(long_command[0...(buffer_max_size)])
wait_for { session.content }.to eq(long_command)
end
it 'is not provided when the buffer is longer than the specified length'
end
end

7
.zprezto/modules/autosuggestions/external/spec/options/highlight_style_spec.rb vendored Normal file
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describe 'a displayed suggestion' do
it 'is shown in the default style'
describe 'when ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE is set to a zle_highlight string' do
it 'is shown in the specified style'
end
end

7
.zprezto/modules/autosuggestions/external/spec/options/original_widget_prefix_spec.rb vendored Normal file
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describe 'an original zle widget' do
context 'is accessible with the default prefix'
context 'when ZSH_AUTOSUGGEST_ORIGINAL_WIDGET_PREFIX is set' do
it 'is accessible with the specified prefix'
end
end

20
.zprezto/modules/autosuggestions/external/spec/options/strategy_spec.rb vendored Normal file
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describe 'a suggestion for a given prefix' do
let(:options) { ['_zsh_autosuggest_strategy_default() { suggestion="echo foo" }'] }
it 'is determined by calling the default strategy function' do
session.send_string('e')
wait_for { session.content }.to eq('echo foo')
end
context 'when ZSH_AUTOSUGGEST_STRATEGY is set' do
let(:options) { [
'_zsh_autosuggest_strategy_custom() { suggestion="echo foo" }',
'ZSH_AUTOSUGGEST_STRATEGY=custom'
] }
it 'is determined by calling the specified strategy function' do
session.send_string('e')
wait_for { session.content }.to eq('echo foo')
end
end
end

7
.zprezto/modules/autosuggestions/external/spec/options/use_async_spec.rb vendored Normal file
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describe 'suggestion fetching' do
it 'is performed synchronously'
context 'when ZSH_AUTOSUGGEST_USE_ASYNC is set' do
it 'is performed asynchronously'
end
end

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.zprezto/modules/autosuggestions/external/spec/options/widget_lists_spec.rb vendored Normal file
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describe 'a zle widget' do
let(:widget) { 'my-widget' }
let(:before_sourcing) { -> { session.run_command("#{widget}() {}; zle -N #{widget}; bindkey ^B #{widget}") } }
context 'when added to ZSH_AUTOSUGGEST_ACCEPT_WIDGETS' do
let(:options) { ["ZSH_AUTOSUGGEST_ACCEPT_WIDGETS+=(#{widget})"] }
it 'accepts the suggestion when invoked' do
with_history('echo hello') do
session.send_string('e')
wait_for { session.content }.to eq('echo hello')
session.send_keys('C-b')
wait_for { session.content(esc_seqs: true) }.to eq('echo hello')
end
end
end
context 'when added to ZSH_AUTOSUGGEST_CLEAR_WIDGETS' do
let(:options) { ["ZSH_AUTOSUGGEST_CLEAR_WIDGETS+=(#{widget})"] }
it 'clears the suggestion when invoked' do
with_history('echo hello') do
session.send_string('e')
wait_for { session.content }.to eq('echo hello')
session.send_keys('C-b')
wait_for { session.content }.to eq('e')
end
end
end
context 'when added to ZSH_AUTOSUGGEST_EXECUTE_WIDGETS' do
let(:options) { ["ZSH_AUTOSUGGEST_EXECUTE_WIDGETS+=(#{widget})"] }
it 'executes the suggestion when invoked' do
with_history('echo hello') do
session.send_string('e')
wait_for { session.content }.to eq('echo hello')
session.send_keys('C-b')
wait_for { session.content }.to end_with("\nhello")
end
end
end
context 'when added to ZSH_AUTOSUGGEST_IGNORE_WIDGETS' do
let(:options) { ["ZSH_AUTOSUGGEST_IGNORE_WIDGETS=(#{widget})"] }
it 'should not be wrapped with an autosuggest widget' do
session.run_command("echo $widgets[#{widget}]")
wait_for { session.content }.to end_with("\nuser:#{widget}")
end
end
context 'that moves the cursor forward' do
before { session.run_command("#{widget}() { zle forward-char }") }
context 'when added to ZSH_AUTOSUGGEST_PARTIAL_ACCEPT_WIDGETS' do
let(:options) { ["ZSH_AUTOSUGGEST_PARTIAL_ACCEPT_WIDGETS=(#{widget})"] }
it 'accepts the suggestion as far as the cursor is moved when invoked' do
with_history('echo hello') do
session.send_string('e')
wait_for { session.content }.to start_with('echo hello')
session.send_keys('C-b')
wait_for { session.content(esc_seqs: true) }.to match(/\Aec\e\[[0-9]+mho hello/)
end
end
end
end
context 'that modifies the buffer' do
before { session.run_command("#{widget}() { BUFFER=\"foo\" }") }
context 'when not added to any of the widget lists' do
it 'modifies the buffer and fetches a new suggestion' do
with_history('foobar') do
session.send_keys('C-b')
wait_for { session.content }.to eq('foobar')
end
end
end
end
end
describe 'a modification to the widget lists' do
let(:widget) { 'my-widget' }
let(:before_sourcing) { -> { session.run_command("#{widget}() {}; zle -N #{widget}; bindkey ^B #{widget}") } }
before { session.run_command("ZSH_AUTOSUGGEST_ACCEPT_WIDGETS+=(#{widget})") }
it 'takes effect on the next cmd line' do
with_history('echo hello') do
session.send_string('e')
wait_for { session.content }.to eq('echo hello')
session.send_keys('C-b')
wait_for { session.content(esc_seqs: true) }.to eq('echo hello')
end
end
end

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.zprezto/modules/autosuggestions/external/spec/spec_helper.rb vendored Normal file
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require 'pry'
require 'rspec/wait'
require 'terminal_session'
RSpec.shared_context 'terminal session' do
let(:term_opts) { {} }
let(:session) { TerminalSession.new(term_opts) }
let(:before_sourcing) { -> {} }
let(:options) { [] }
around do |example|
before_sourcing.call
session.run_command((['source zsh-autosuggestions.zsh'] + options).join('; '))
session.clear_screen
example.run
session.destroy
end
def with_history(*commands, &block)
session.run_command('fc -p')
commands.each do |c|
c.respond_to?(:call) ? c.call : session.run_command(c)
end
session.clear_screen
yield block
session.send_keys('C-c')
session.run_command('fc -P')
end
end
RSpec.configure do |config|
config.expect_with :rspec do |expectations|
expectations.include_chain_clauses_in_custom_matcher_descriptions = true
end
config.mock_with :rspec do |mocks|
mocks.verify_partial_doubles = true
end
config.wait_timeout = 2
config.include_context 'terminal session'
end

12
.zprezto/modules/autosuggestions/external/spec/strategies/default_spec.rb vendored Normal file
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require 'strategies/special_characters_helper'
describe 'the default suggestion strategy' do
it 'suggests the last matching history entry' do
with_history('ls foo', 'ls bar', 'echo baz') do
session.send_string('ls')
wait_for { session.content }.to eq('ls bar')
end
end
include_examples 'special characters'
end

21
.zprezto/modules/autosuggestions/external/spec/strategies/match_prev_cmd_spec.rb vendored Normal file
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require 'strategies/special_characters_helper'
describe 'the match_prev_cmd strategy' do
let(:options) { ['ZSH_AUTOSUGGEST_STRATEGY=match_prev_cmd'] }
it 'suggests the last matching history entry after the previous command' do
with_history(
'echo what',
'ls foo',
'echo what',
'ls bar',
'ls baz',
'echo what'
) do
session.send_string('ls')
wait_for { session.content }.to eq('ls bar')
end
end
include_examples 'special characters'
end

62
.zprezto/modules/autosuggestions/external/spec/strategies/special_characters_helper.rb vendored Normal file
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shared_examples 'special characters' do
describe 'a special character in the buffer' do
it 'should be treated like any other character' do
with_history('echo "hello*"', 'echo "hello."') do
session.send_string('echo "hello*')
wait_for { session.content }.to eq('echo "hello*"')
end
with_history('echo "hello?"', 'echo "hello."') do
session.send_string('echo "hello?')
wait_for { session.content }.to eq('echo "hello?"')
end
with_history('echo "hello\nworld"') do
session.send_string('echo "hello\\')
wait_for { session.content }.to eq('echo "hello\nworld"')
end
with_history('echo "\\\\"') do
session.send_string('echo "\\\\')
wait_for { session.content }.to eq('echo "\\\\"')
end
with_history('echo ~/foo') do
session.send_string('echo ~')
wait_for { session.content }.to eq('echo ~/foo')
end
with_history('echo "$(ls foo)"') do
session.send_string('echo "$(')
wait_for { session.content }.to eq('echo "$(ls foo)"')
end
with_history('echo "$history[123]"') do
session.send_string('echo "$history[')
wait_for { session.content }.to eq('echo "$history[123]"')
session.send_string('123]')
wait_for { session.content }.to eq('echo "$history[123]"')
end
with_history('echo "#yolo"') do
session.send_string('echo "#')
wait_for { session.content }.to eq('echo "#yolo"')
end
with_history('echo "#foo"', 'echo $#abc') do
session.send_string('echo "#')
wait_for { session.content }.to eq('echo "#foo"')
end
with_history('echo "^A"', 'echo "^B"') do
session.send_string('echo "^A')
wait_for { session.content }.to eq('echo "^A"')
end
with_history('-foo() {}') do
session.send_string('-')
wait_for { session.content }.to eq('-foo() {}')
end
end
end
end

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.zprezto/modules/autosuggestions/external/spec/terminal_session.rb vendored Normal file
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require 'securerandom'
class TerminalSession
ZSH_BIN = ENV['TEST_ZSH_BIN'] || 'zsh'
def initialize(opts = {})
opts = {
width: 80,
height: 24,
prompt: '',
term: 'xterm-256color',
zsh_bin: ZSH_BIN
}.merge(opts)
@opts = opts
cmd="PS1=\"#{opts[:prompt]}\" TERM=#{opts[:term]} #{ZSH_BIN} -f"
tmux_command("new-session -d -x #{opts[:width]} -y #{opts[:height]} '#{cmd}'")
end
def tmux_socket_name
@tmux_socket_name ||= SecureRandom.hex(6)
end
def run_command(command)
send_string(command)
send_keys('enter')
self
end
def send_string(str)
tmux_command("send-keys -t 0 -l -- '#{str.gsub("'", "\\'")}'")
self
end
def send_keys(*keys)
tmux_command("send-keys -t 0 #{keys.join(' ')}")
self
end
def paste_string(str)
tmux_command("set-buffer -- '#{str}'")
tmux_command("paste-buffer -dpr -t 0")
self
end
def content(esc_seqs: false)
cmd = 'capture-pane -p -t 0'
cmd += ' -e' if esc_seqs
tmux_command(cmd).strip
end
def clear_screen
send_keys('C-l')
i = 0
until content == opts[:prompt] || i > 20 do
sleep(0.1)
i = i + 1
end
self
end
def destroy
tmux_command('kill-session')
end
def cursor
tmux_command("display-message -t 0 -p '\#{cursor_x},\#{cursor_y}'").
strip.
split(',').
map(&:to_i)
end
def attach!
tmux_command('attach-session')
end
private
attr_reader :opts
def tmux_command(cmd)
out = `tmux -u -L #{tmux_socket_name} #{cmd}`
raise("tmux error running: '#{cmd}'") unless $?.success?
out
end
end

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.zprezto/modules/autosuggestions/external/spec/widgets/disable_spec.rb vendored Normal file
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describe 'the `autosuggest-disable` widget' do
before do
session.run_command('bindkey ^B autosuggest-disable')
end
it 'disables suggestions and clears the suggestion' do
with_history('echo hello') do
session.send_string('echo')
wait_for { session.content }.to eq('echo hello')
session.send_keys('C-b')
wait_for { session.content }.to eq('echo')
session.send_string(' h')
sleep 1
expect(session.content).to eq('echo h')
end
end
end

42
.zprezto/modules/autosuggestions/external/spec/widgets/enable_spec.rb vendored Normal file
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describe 'the `autosuggest-enable` widget' do
before do
session.
run_command('typeset -g _ZSH_AUTOSUGGEST_DISABLED').
run_command('bindkey ^B autosuggest-enable')
end
it 'enables suggestions and fetches a suggestion' do
with_history('echo hello') do
session.send_string('e')
sleep 1
expect(session.content).to eq('e')
session.send_keys('C-b')
session.send_string('c')
wait_for { session.content }.to eq('echo hello')
end
end
context 'invoked on an empty buffer' do
it 'does not fetch a suggestion' do
with_history('echo hello') do
session.send_keys('C-b')
sleep 1
expect(session.content).to eq('')
end
end
end
context 'invoked on a non-empty buffer' do
it 'fetches a suggestion' do
with_history('echo hello') do
session.send_string('e')
sleep 1
expect(session.content).to eq('e')
session.send_keys('C-b')
wait_for { session.content }.to eq('echo hello')
end
end
end
end

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.zprezto/modules/autosuggestions/external/spec/widgets/fetch_spec.rb vendored Normal file
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describe 'the `autosuggest-fetch` widget' do
context 'when suggestions are disabled' do
before do
session.
run_command('bindkey ^B autosuggest-disable').
run_command('bindkey ^F autosuggest-fetch').
send_keys('C-b')
end
it 'will fetch and display a suggestion' do
with_history('echo hello') do
session.send_string('echo h')
sleep 1
expect(session.content).to eq('echo h')
session.send_keys('C-f')
wait_for { session.content }.to eq('echo hello')
session.send_string('e')
wait_for { session.content }.to eq('echo hello')
end
end
end
end

26
.zprezto/modules/autosuggestions/external/spec/widgets/toggle_spec.rb vendored Normal file
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describe 'the `autosuggest-toggle` widget' do
before do
session.run_command('bindkey ^B autosuggest-toggle')
end
it 'toggles suggestions' do
with_history('echo world', 'echo hello') do
session.send_string('echo')
wait_for { session.content }.to eq('echo hello')
session.send_keys('C-b')
wait_for { session.content }.to eq('echo')
session.send_string(' h')
sleep 1
expect(session.content).to eq('echo h')
session.send_keys('C-b')
wait_for { session.content }.to eq('echo hello')
session.send_keys('C-h')
session.send_string('w')
wait_for { session.content }.to eq('echo world')
end
end
end

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#--------------------------------------------------------------------#
# Async #
#--------------------------------------------------------------------#
# Zpty process is spawned running this function
_zsh_autosuggest_async_server() {
emulate -R zsh
# There is a bug in zpty module (fixed in zsh/master) by which a
# zpty that exits will kill all zpty processes that were forked
# before it. Here we set up a zsh exit hook to SIGKILL the zpty
# process immediately, before it has a chance to kill any other
# zpty processes.
zshexit() {
kill -KILL $$
sleep 1 # Block for long enough for the signal to come through
}
# Output only newlines (not carriage return + newline)
stty -onlcr
# Silence any error messages
exec 2>/dev/null
local last_pid
while IFS='' read -r -d $'\0' query; do
# Kill last bg process
kill -KILL $last_pid &>/dev/null
# Run suggestion search in the background
(
local suggestion
_zsh_autosuggest_strategy_$ZSH_AUTOSUGGEST_STRATEGY "$query"
echo -n -E "$suggestion"$'\0'
) &
last_pid=$!
done
}
_zsh_autosuggest_async_request() {
# Write the query to the zpty process to fetch a suggestion
zpty -w -n $ZSH_AUTOSUGGEST_ASYNC_PTY_NAME "${1}"$'\0'
}
# Called when new data is ready to be read from the pty
# First arg will be fd ready for reading
# Second arg will be passed in case of error
_zsh_autosuggest_async_response() {
setopt LOCAL_OPTIONS EXTENDED_GLOB
local suggestion
zpty -rt $ZSH_AUTOSUGGEST_ASYNC_PTY_NAME suggestion '*'$'\0' 2>/dev/null
zle autosuggest-suggest -- "${suggestion%%$'\0'##}"
}
_zsh_autosuggest_async_pty_create() {
# With newer versions of zsh, REPLY stores the fd to read from
typeset -h REPLY
# If we won't get a fd back from zpty, try to guess it
if (( ! $_ZSH_AUTOSUGGEST_ZPTY_RETURNS_FD )); then
integer -l zptyfd
exec {zptyfd}>&1 # Open a new file descriptor (above 10).
exec {zptyfd}>&- # Close it so it's free to be used by zpty.
fi
# Fork a zpty process running the server function
zpty -b $ZSH_AUTOSUGGEST_ASYNC_PTY_NAME _zsh_autosuggest_async_server
# Store the fd so we can remove the handler later
if (( REPLY )); then
_ZSH_AUTOSUGGEST_PTY_FD=$REPLY
else
_ZSH_AUTOSUGGEST_PTY_FD=$zptyfd
fi
# Set up input handler from the zpty
zle -F $_ZSH_AUTOSUGGEST_PTY_FD _zsh_autosuggest_async_response
}
_zsh_autosuggest_async_pty_destroy() {
# Remove the input handler
zle -F $_ZSH_AUTOSUGGEST_PTY_FD &>/dev/null
# Destroy the zpty
zpty -d $ZSH_AUTOSUGGEST_ASYNC_PTY_NAME &>/dev/null
}
_zsh_autosuggest_async_pty_recreate() {
_zsh_autosuggest_async_pty_destroy
_zsh_autosuggest_async_pty_create
}
_zsh_autosuggest_async_start() {
typeset -g _ZSH_AUTOSUGGEST_PTY_FD
_zsh_autosuggest_feature_detect_zpty_returns_fd
_zsh_autosuggest_async_pty_recreate
# We recreate the pty to get a fresh list of history events
add-zsh-hook precmd _zsh_autosuggest_async_pty_recreate
}

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#--------------------------------------------------------------------#
# Widget Helpers #
#--------------------------------------------------------------------#
_zsh_autosuggest_incr_bind_count() {
if ((${+_ZSH_AUTOSUGGEST_BIND_COUNTS[$1]})); then
((_ZSH_AUTOSUGGEST_BIND_COUNTS[$1]++))
else
_ZSH_AUTOSUGGEST_BIND_COUNTS[$1]=1
fi
typeset -gi bind_count=$_ZSH_AUTOSUGGEST_BIND_COUNTS[$1]
}
_zsh_autosuggest_get_bind_count() {
if ((${+_ZSH_AUTOSUGGEST_BIND_COUNTS[$1]})); then
typeset -gi bind_count=$_ZSH_AUTOSUGGEST_BIND_COUNTS[$1]
else
typeset -gi bind_count=0
fi
}
# Bind a single widget to an autosuggest widget, saving a reference to the original widget
_zsh_autosuggest_bind_widget() {
typeset -gA _ZSH_AUTOSUGGEST_BIND_COUNTS
local widget=$1
local autosuggest_action=$2
local prefix=$ZSH_AUTOSUGGEST_ORIGINAL_WIDGET_PREFIX
local -i bind_count
# Save a reference to the original widget
case $widgets[$widget] in
# Already bound
user:_zsh_autosuggest_(bound|orig)_*);;
# User-defined widget
user:*)
_zsh_autosuggest_incr_bind_count $widget
zle -N $prefix${bind_count}-$widget ${widgets[$widget]#*:}
;;
# Built-in widget
builtin)
_zsh_autosuggest_incr_bind_count $widget
eval "_zsh_autosuggest_orig_${(q)widget}() { zle .${(q)widget} }"
zle -N $prefix${bind_count}-$widget _zsh_autosuggest_orig_$widget
;;
# Completion widget
completion:*)
_zsh_autosuggest_incr_bind_count $widget
eval "zle -C $prefix${bind_count}-${(q)widget} ${${(s.:.)widgets[$widget]}[2,3]}"
;;
esac
_zsh_autosuggest_get_bind_count $widget
# Pass the original widget's name explicitly into the autosuggest
# function. Use this passed in widget name to call the original
# widget instead of relying on the $WIDGET variable being set
# correctly. $WIDGET cannot be trusted because other plugins call
# zle without the `-w` flag (e.g. `zle self-insert` instead of
# `zle self-insert -w`).
eval "_zsh_autosuggest_bound_${bind_count}_${(q)widget}() {
_zsh_autosuggest_widget_$autosuggest_action $prefix$bind_count-${(q)widget} \$@
}"
# Create the bound widget
zle -N $widget _zsh_autosuggest_bound_${bind_count}_$widget
}
# Map all configured widgets to the right autosuggest widgets
_zsh_autosuggest_bind_widgets() {
local widget
local ignore_widgets
ignore_widgets=(
.\*
_\*
zle-\*
autosuggest-\*
$ZSH_AUTOSUGGEST_ORIGINAL_WIDGET_PREFIX\*
$ZSH_AUTOSUGGEST_IGNORE_WIDGETS
)
# Find every widget we might want to bind and bind it appropriately
for widget in ${${(f)"$(builtin zle -la)"}:#${(j:|:)~ignore_widgets}}; do
if [[ -n ${ZSH_AUTOSUGGEST_CLEAR_WIDGETS[(r)$widget]} ]]; then
_zsh_autosuggest_bind_widget $widget clear
elif [[ -n ${ZSH_AUTOSUGGEST_ACCEPT_WIDGETS[(r)$widget]} ]]; then
_zsh_autosuggest_bind_widget $widget accept
elif [[ -n ${ZSH_AUTOSUGGEST_EXECUTE_WIDGETS[(r)$widget]} ]]; then
_zsh_autosuggest_bind_widget $widget execute
elif [[ -n ${ZSH_AUTOSUGGEST_PARTIAL_ACCEPT_WIDGETS[(r)$widget]} ]]; then
_zsh_autosuggest_bind_widget $widget partial_accept
else
# Assume any unspecified widget might modify the buffer
_zsh_autosuggest_bind_widget $widget modify
fi
done
}
# Given the name of an original widget and args, invoke it, if it exists
_zsh_autosuggest_invoke_original_widget() {
# Do nothing unless called with at least one arg
(( $# )) || return 0
local original_widget_name="$1"
shift
if (( ${+widgets[$original_widget_name]} )); then
zle $original_widget_name -- $@
fi
}

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#--------------------------------------------------------------------#
# Global Configuration Variables #
#--------------------------------------------------------------------#
# Color to use when highlighting suggestion
# Uses format of `region_highlight`
# More info: http://zsh.sourceforge.net/Doc/Release/Zsh-Line-Editor.html#Zle-Widgets
ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE='fg=8'
# Prefix to use when saving original versions of bound widgets
ZSH_AUTOSUGGEST_ORIGINAL_WIDGET_PREFIX=autosuggest-orig-
ZSH_AUTOSUGGEST_STRATEGY=default
# Widgets that clear the suggestion
ZSH_AUTOSUGGEST_CLEAR_WIDGETS=(
history-search-forward
history-search-backward
history-beginning-search-forward
history-beginning-search-backward
history-substring-search-up
history-substring-search-down
up-line-or-beginning-search
down-line-or-beginning-search
up-line-or-history
down-line-or-history
accept-line
)
# Widgets that accept the entire suggestion
ZSH_AUTOSUGGEST_ACCEPT_WIDGETS=(
forward-char
end-of-line
vi-forward-char
vi-end-of-line
vi-add-eol
)
# Widgets that accept the entire suggestion and execute it
ZSH_AUTOSUGGEST_EXECUTE_WIDGETS=(
)
# Widgets that accept the suggestion as far as the cursor moves
ZSH_AUTOSUGGEST_PARTIAL_ACCEPT_WIDGETS=(
forward-word
emacs-forward-word
vi-forward-word
vi-forward-word-end
vi-forward-blank-word
vi-forward-blank-word-end
vi-find-next-char
vi-find-next-char-skip
)
# Widgets that should be ignored (globbing supported but must be escaped)
ZSH_AUTOSUGGEST_IGNORE_WIDGETS=(
orig-\*
beep
run-help
set-local-history
which-command
yank
yank-pop
)
# Max size of buffer to trigger autosuggestion. Leave undefined for no upper bound.
ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE=
# Pty name for calculating autosuggestions asynchronously
ZSH_AUTOSUGGEST_ASYNC_PTY_NAME=zsh_autosuggest_pty

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.zprezto/modules/autosuggestions/external/src/features.zsh vendored Normal file
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#--------------------------------------------------------------------#
# Feature Detection #
#--------------------------------------------------------------------#
_zsh_autosuggest_feature_detect_zpty_returns_fd() {
typeset -g _ZSH_AUTOSUGGEST_ZPTY_RETURNS_FD
typeset -h REPLY
zpty zsh_autosuggest_feature_detect '{ zshexit() { kill -KILL $$; sleep 1 } }'
if (( REPLY )); then
_ZSH_AUTOSUGGEST_ZPTY_RETURNS_FD=1
else
_ZSH_AUTOSUGGEST_ZPTY_RETURNS_FD=0
fi
zpty -d zsh_autosuggest_feature_detect
}

26
.zprezto/modules/autosuggestions/external/src/highlight.zsh vendored Normal file
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#--------------------------------------------------------------------#
# Highlighting #
#--------------------------------------------------------------------#
# If there was a highlight, remove it
_zsh_autosuggest_highlight_reset() {
typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT
if [[ -n "$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT" ]]; then
region_highlight=("${(@)region_highlight:#$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT}")
unset _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT
fi
}
# If there's a suggestion, highlight it
_zsh_autosuggest_highlight_apply() {
typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT
if (( $#POSTDISPLAY )); then
typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT="$#BUFFER $(($#BUFFER + $#POSTDISPLAY)) $ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE"
region_highlight+=("$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT")
else
unset _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT
fi
}

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.zprezto/modules/autosuggestions/external/src/setup.zsh vendored Normal file
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#--------------------------------------------------------------------#
# Setup #
#--------------------------------------------------------------------#
# Precmd hooks for initializing the library and starting pty's
autoload -Uz add-zsh-hook
# Asynchronous suggestions are generated in a pty
zmodload zsh/zpty

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.zprezto/modules/autosuggestions/external/src/start.zsh vendored Normal file
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#--------------------------------------------------------------------#
# Start #
#--------------------------------------------------------------------#
# Start the autosuggestion widgets
_zsh_autosuggest_start() {
add-zsh-hook -d precmd _zsh_autosuggest_start
_zsh_autosuggest_bind_widgets
# Re-bind widgets on every precmd to ensure we wrap other wrappers.
# Specifically, highlighting breaks if our widgets are wrapped by
# zsh-syntax-highlighting widgets. This also allows modifications
# to the widget list variables to take effect on the next precmd.
add-zsh-hook precmd _zsh_autosuggest_bind_widgets
if [[ -n "${ZSH_AUTOSUGGEST_USE_ASYNC+x}" ]]; then
_zsh_autosuggest_async_start
fi
}
# Start the autosuggestion widgets on the next precmd
add-zsh-hook precmd _zsh_autosuggest_start

25
.zprezto/modules/autosuggestions/external/src/strategies/default.zsh vendored Normal file
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#--------------------------------------------------------------------#
# Default Suggestion Strategy #
#--------------------------------------------------------------------#
# Suggests the most recent history item that matches the given
# prefix.
#
_zsh_autosuggest_strategy_default() {
# Reset options to defaults and enable LOCAL_OPTIONS
emulate -L zsh
# Enable globbing flags so that we can use (#m)
setopt EXTENDED_GLOB
# Escape backslashes and all of the glob operators so we can use
# this string as a pattern to search the $history associative array.
# - (#m) globbing flag enables setting references for match data
# TODO: Use (b) flag when we can drop support for zsh older than v5.0.8
local prefix="${1//(#m)[\\*?[\]<>()|^~#]/\\$MATCH}"
# Get the history items that match
# - (r) subscript flag makes the pattern match on values
typeset -g suggestion="${history[(r)${prefix}*]}"
}

59
.zprezto/modules/autosuggestions/external/src/strategies/match_prev_cmd.zsh vendored Normal file
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#--------------------------------------------------------------------#
# Match Previous Command Suggestion Strategy #
#--------------------------------------------------------------------#
# Suggests the most recent history item that matches the given
# prefix and whose preceding history item also matches the most
# recently executed command.
#
# For example, suppose your history has the following entries:
# - pwd
# - ls foo
# - ls bar
# - pwd
#
# Given the history list above, when you type 'ls', the suggestion
# will be 'ls foo' rather than 'ls bar' because your most recently
# executed command (pwd) was previously followed by 'ls foo'.
#
# Note that this strategy won't work as expected with ZSH options that don't
# preserve the history order such as `HIST_IGNORE_ALL_DUPS` or
# `HIST_EXPIRE_DUPS_FIRST`.
_zsh_autosuggest_strategy_match_prev_cmd() {
# Reset options to defaults and enable LOCAL_OPTIONS
emulate -L zsh
# Enable globbing flags so that we can use (#m)
setopt EXTENDED_GLOB
# TODO: Use (b) flag when we can drop support for zsh older than v5.0.8
local prefix="${1//(#m)[\\*?[\]<>()|^~#]/\\$MATCH}"
# Get all history event numbers that correspond to history
# entries that match pattern $prefix*
local history_match_keys
history_match_keys=(${(k)history[(R)$prefix*]})
# By default we use the first history number (most recent history entry)
local histkey="${history_match_keys[1]}"
# Get the previously executed command
local prev_cmd="$(_zsh_autosuggest_escape_command "${history[$((HISTCMD-1))]}")"
# Iterate up to the first 200 history event numbers that match $prefix
for key in "${(@)history_match_keys[1,200]}"; do
# Stop if we ran out of history
[[ $key -gt 1 ]] || break
# See if the history entry preceding the suggestion matches the
# previous command, and use it if it does
if [[ "${history[$((key - 1))]}" == "$prev_cmd" ]]; then
histkey="$key"
break
fi
done
# Give back the matched history entry
typeset -g suggestion="$history[$histkey]"
}

11
.zprezto/modules/autosuggestions/external/src/util.zsh vendored Normal file
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#--------------------------------------------------------------------#
# Utility Functions #
#--------------------------------------------------------------------#
_zsh_autosuggest_escape_command() {
setopt localoptions EXTENDED_GLOB
# Escape special chars in the string (requires EXTENDED_GLOB)
echo -E "${1//(#m)[\"\'\\()\[\]|*?~]/\\$MATCH}"
}

213
.zprezto/modules/autosuggestions/external/src/widgets.zsh vendored Normal file
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#--------------------------------------------------------------------#
# Autosuggest Widget Implementations #
#--------------------------------------------------------------------#
# Disable suggestions
_zsh_autosuggest_disable() {
typeset -g _ZSH_AUTOSUGGEST_DISABLED
_zsh_autosuggest_clear
}
# Enable suggestions
_zsh_autosuggest_enable() {
unset _ZSH_AUTOSUGGEST_DISABLED
if (( $#BUFFER )); then
_zsh_autosuggest_fetch
fi
}
# Toggle suggestions (enable/disable)
_zsh_autosuggest_toggle() {
if [[ -n "${_ZSH_AUTOSUGGEST_DISABLED+x}" ]]; then
_zsh_autosuggest_enable
else
_zsh_autosuggest_disable
fi
}
# Clear the suggestion
_zsh_autosuggest_clear() {
# Remove the suggestion
unset POSTDISPLAY
_zsh_autosuggest_invoke_original_widget $@
}
# Modify the buffer and get a new suggestion
_zsh_autosuggest_modify() {
local -i retval
# Only available in zsh >= 5.4
local -i KEYS_QUEUED_COUNT
# Save the contents of the buffer/postdisplay
local orig_buffer="$BUFFER"
local orig_postdisplay="$POSTDISPLAY"
# Clear suggestion while waiting for next one
unset POSTDISPLAY
# Original widget may modify the buffer
_zsh_autosuggest_invoke_original_widget $@
retval=$?
# Don't fetch a new suggestion if there's more input to be read immediately
if (( $PENDING > 0 )) || (( $KEYS_QUEUED_COUNT > 0 )); then
POSTDISPLAY="$orig_postdisplay"
return $retval
fi
# Optimize if manually typing in the suggestion
if (( $#BUFFER > $#orig_buffer )); then
local added=${BUFFER#$orig_buffer}
# If the string added matches the beginning of the postdisplay
if [[ "$added" = "${orig_postdisplay:0:$#added}" ]]; then
POSTDISPLAY="${orig_postdisplay:$#added}"
return $retval
fi
fi
# Don't fetch a new suggestion if the buffer hasn't changed
if [[ "$BUFFER" = "$orig_buffer" ]]; then
POSTDISPLAY="$orig_postdisplay"
return $retval
fi
# Bail out if suggestions are disabled
if [[ -n "${_ZSH_AUTOSUGGEST_DISABLED+x}" ]]; then
return $?
fi
# Get a new suggestion if the buffer is not empty after modification
if (( $#BUFFER > 0 )); then
if [[ -z "$ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE" ]] || (( $#BUFFER <= $ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE )); then
_zsh_autosuggest_fetch
fi
fi
return $retval
}
# Fetch a new suggestion based on what's currently in the buffer
_zsh_autosuggest_fetch() {
if zpty -t "$ZSH_AUTOSUGGEST_ASYNC_PTY_NAME" &>/dev/null; then
_zsh_autosuggest_async_request "$BUFFER"
else
local suggestion
_zsh_autosuggest_strategy_$ZSH_AUTOSUGGEST_STRATEGY "$BUFFER"
_zsh_autosuggest_suggest "$suggestion"
fi
}
# Offer a suggestion
_zsh_autosuggest_suggest() {
local suggestion="$1"
if [[ -n "$suggestion" ]] && (( $#BUFFER )); then
POSTDISPLAY="${suggestion#$BUFFER}"
else
unset POSTDISPLAY
fi
}
# Accept the entire suggestion
_zsh_autosuggest_accept() {
local -i max_cursor_pos=$#BUFFER
# When vicmd keymap is active, the cursor can't move all the way
# to the end of the buffer
if [[ "$KEYMAP" = "vicmd" ]]; then
max_cursor_pos=$((max_cursor_pos - 1))
fi
# Only accept if the cursor is at the end of the buffer
if [[ $CURSOR = $max_cursor_pos ]]; then
# Add the suggestion to the buffer
BUFFER="$BUFFER$POSTDISPLAY"
# Remove the suggestion
unset POSTDISPLAY
# Move the cursor to the end of the buffer
CURSOR=${#BUFFER}
fi
_zsh_autosuggest_invoke_original_widget $@
}
# Accept the entire suggestion and execute it
_zsh_autosuggest_execute() {
# Add the suggestion to the buffer
BUFFER="$BUFFER$POSTDISPLAY"
# Remove the suggestion
unset POSTDISPLAY
# Call the original `accept-line` to handle syntax highlighting or
# other potential custom behavior
_zsh_autosuggest_invoke_original_widget "accept-line"
}
# Partially accept the suggestion
_zsh_autosuggest_partial_accept() {
local -i retval cursor_loc
# Save the contents of the buffer so we can restore later if needed
local original_buffer="$BUFFER"
# Temporarily accept the suggestion.
BUFFER="$BUFFER$POSTDISPLAY"
# Original widget moves the cursor
_zsh_autosuggest_invoke_original_widget $@
retval=$?
# Normalize cursor location across vi/emacs modes
cursor_loc=$CURSOR
if [[ "$KEYMAP" = "vicmd" ]]; then
cursor_loc=$((cursor_loc + 1))
fi
# If we've moved past the end of the original buffer
if (( $cursor_loc > $#original_buffer )); then
# Set POSTDISPLAY to text right of the cursor
POSTDISPLAY="${BUFFER[$(($cursor_loc + 1)),$#BUFFER]}"
# Clip the buffer at the cursor
BUFFER="${BUFFER[1,$cursor_loc]}"
else
# Restore the original buffer
BUFFER="$original_buffer"
fi
return $retval
}
for action in clear modify fetch suggest accept partial_accept execute enable disable toggle; do
eval "_zsh_autosuggest_widget_$action() {
local -i retval
_zsh_autosuggest_highlight_reset
_zsh_autosuggest_$action \$@
retval=\$?
_zsh_autosuggest_highlight_apply
zle -R
return \$retval
}"
done
zle -N autosuggest-fetch _zsh_autosuggest_widget_fetch
zle -N autosuggest-suggest _zsh_autosuggest_widget_suggest
zle -N autosuggest-accept _zsh_autosuggest_widget_accept
zle -N autosuggest-clear _zsh_autosuggest_widget_clear
zle -N autosuggest-execute _zsh_autosuggest_widget_execute
zle -N autosuggest-enable _zsh_autosuggest_widget_enable
zle -N autosuggest-disable _zsh_autosuggest_widget_disable
zle -N autosuggest-toggle _zsh_autosuggest_widget_toggle

1
.zprezto/modules/autosuggestions/external/zsh-autosuggestions.plugin.zsh vendored Normal file
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source ${0:A:h}/zsh-autosuggestions.zsh

708
.zprezto/modules/autosuggestions/external/zsh-autosuggestions.zsh vendored Normal file
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# Fish-like fast/unobtrusive autosuggestions for zsh.
# https://github.com/zsh-users/zsh-autosuggestions
# v0.4.3
# Copyright (c) 2013 Thiago de Arruda
# Copyright (c) 2016-2018 Eric Freese
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#--------------------------------------------------------------------#
# Setup #
#--------------------------------------------------------------------#
# Precmd hooks for initializing the library and starting pty's
autoload -Uz add-zsh-hook
# Asynchronous suggestions are generated in a pty
zmodload zsh/zpty
#--------------------------------------------------------------------#
# Global Configuration Variables #
#--------------------------------------------------------------------#
# Color to use when highlighting suggestion
# Uses format of `region_highlight`
# More info: http://zsh.sourceforge.net/Doc/Release/Zsh-Line-Editor.html#Zle-Widgets
ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE='fg=8'
# Prefix to use when saving original versions of bound widgets
ZSH_AUTOSUGGEST_ORIGINAL_WIDGET_PREFIX=autosuggest-orig-
ZSH_AUTOSUGGEST_STRATEGY=default
# Widgets that clear the suggestion
ZSH_AUTOSUGGEST_CLEAR_WIDGETS=(
history-search-forward
history-search-backward
history-beginning-search-forward
history-beginning-search-backward
history-substring-search-up
history-substring-search-down
up-line-or-beginning-search
down-line-or-beginning-search
up-line-or-history
down-line-or-history
accept-line
)
# Widgets that accept the entire suggestion
ZSH_AUTOSUGGEST_ACCEPT_WIDGETS=(
forward-char
end-of-line
vi-forward-char
vi-end-of-line
vi-add-eol
)
# Widgets that accept the entire suggestion and execute it
ZSH_AUTOSUGGEST_EXECUTE_WIDGETS=(
)
# Widgets that accept the suggestion as far as the cursor moves
ZSH_AUTOSUGGEST_PARTIAL_ACCEPT_WIDGETS=(
forward-word
emacs-forward-word
vi-forward-word
vi-forward-word-end
vi-forward-blank-word
vi-forward-blank-word-end
vi-find-next-char
vi-find-next-char-skip
)
# Widgets that should be ignored (globbing supported but must be escaped)
ZSH_AUTOSUGGEST_IGNORE_WIDGETS=(
orig-\*
beep
run-help
set-local-history
which-command
yank
yank-pop
)
# Max size of buffer to trigger autosuggestion. Leave undefined for no upper bound.
ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE=
# Pty name for calculating autosuggestions asynchronously
ZSH_AUTOSUGGEST_ASYNC_PTY_NAME=zsh_autosuggest_pty
#--------------------------------------------------------------------#
# Utility Functions #
#--------------------------------------------------------------------#
_zsh_autosuggest_escape_command() {
setopt localoptions EXTENDED_GLOB
# Escape special chars in the string (requires EXTENDED_GLOB)
echo -E "${1//(#m)[\"\'\\()\[\]|*?~]/\\$MATCH}"
}
#--------------------------------------------------------------------#
# Feature Detection #
#--------------------------------------------------------------------#
_zsh_autosuggest_feature_detect_zpty_returns_fd() {
typeset -g _ZSH_AUTOSUGGEST_ZPTY_RETURNS_FD
typeset -h REPLY
zpty zsh_autosuggest_feature_detect '{ zshexit() { kill -KILL $$; sleep 1 } }'
if (( REPLY )); then
_ZSH_AUTOSUGGEST_ZPTY_RETURNS_FD=1
else
_ZSH_AUTOSUGGEST_ZPTY_RETURNS_FD=0
fi
zpty -d zsh_autosuggest_feature_detect
}
#--------------------------------------------------------------------#
# Widget Helpers #
#--------------------------------------------------------------------#
_zsh_autosuggest_incr_bind_count() {
if ((${+_ZSH_AUTOSUGGEST_BIND_COUNTS[$1]})); then
((_ZSH_AUTOSUGGEST_BIND_COUNTS[$1]++))
else
_ZSH_AUTOSUGGEST_BIND_COUNTS[$1]=1
fi
typeset -gi bind_count=$_ZSH_AUTOSUGGEST_BIND_COUNTS[$1]
}
_zsh_autosuggest_get_bind_count() {
if ((${+_ZSH_AUTOSUGGEST_BIND_COUNTS[$1]})); then
typeset -gi bind_count=$_ZSH_AUTOSUGGEST_BIND_COUNTS[$1]
else
typeset -gi bind_count=0
fi
}
# Bind a single widget to an autosuggest widget, saving a reference to the original widget
_zsh_autosuggest_bind_widget() {
typeset -gA _ZSH_AUTOSUGGEST_BIND_COUNTS
local widget=$1
local autosuggest_action=$2
local prefix=$ZSH_AUTOSUGGEST_ORIGINAL_WIDGET_PREFIX
local -i bind_count
# Save a reference to the original widget
case $widgets[$widget] in
# Already bound
user:_zsh_autosuggest_(bound|orig)_*);;
# User-defined widget
user:*)
_zsh_autosuggest_incr_bind_count $widget
zle -N $prefix${bind_count}-$widget ${widgets[$widget]#*:}
;;
# Built-in widget
builtin)
_zsh_autosuggest_incr_bind_count $widget
eval "_zsh_autosuggest_orig_${(q)widget}() { zle .${(q)widget} }"
zle -N $prefix${bind_count}-$widget _zsh_autosuggest_orig_$widget
;;
# Completion widget
completion:*)
_zsh_autosuggest_incr_bind_count $widget
eval "zle -C $prefix${bind_count}-${(q)widget} ${${(s.:.)widgets[$widget]}[2,3]}"
;;
esac
_zsh_autosuggest_get_bind_count $widget
# Pass the original widget's name explicitly into the autosuggest
# function. Use this passed in widget name to call the original
# widget instead of relying on the $WIDGET variable being set
# correctly. $WIDGET cannot be trusted because other plugins call
# zle without the `-w` flag (e.g. `zle self-insert` instead of
# `zle self-insert -w`).
eval "_zsh_autosuggest_bound_${bind_count}_${(q)widget}() {
_zsh_autosuggest_widget_$autosuggest_action $prefix$bind_count-${(q)widget} \$@
}"
# Create the bound widget
zle -N $widget _zsh_autosuggest_bound_${bind_count}_$widget
}
# Map all configured widgets to the right autosuggest widgets
_zsh_autosuggest_bind_widgets() {
local widget
local ignore_widgets
ignore_widgets=(
.\*
_\*
zle-\*
autosuggest-\*
$ZSH_AUTOSUGGEST_ORIGINAL_WIDGET_PREFIX\*
$ZSH_AUTOSUGGEST_IGNORE_WIDGETS
)
# Find every widget we might want to bind and bind it appropriately
for widget in ${${(f)"$(builtin zle -la)"}:#${(j:|:)~ignore_widgets}}; do
if [[ -n ${ZSH_AUTOSUGGEST_CLEAR_WIDGETS[(r)$widget]} ]]; then
_zsh_autosuggest_bind_widget $widget clear
elif [[ -n ${ZSH_AUTOSUGGEST_ACCEPT_WIDGETS[(r)$widget]} ]]; then
_zsh_autosuggest_bind_widget $widget accept
elif [[ -n ${ZSH_AUTOSUGGEST_EXECUTE_WIDGETS[(r)$widget]} ]]; then
_zsh_autosuggest_bind_widget $widget execute
elif [[ -n ${ZSH_AUTOSUGGEST_PARTIAL_ACCEPT_WIDGETS[(r)$widget]} ]]; then
_zsh_autosuggest_bind_widget $widget partial_accept
else
# Assume any unspecified widget might modify the buffer
_zsh_autosuggest_bind_widget $widget modify
fi
done
}
# Given the name of an original widget and args, invoke it, if it exists
_zsh_autosuggest_invoke_original_widget() {
# Do nothing unless called with at least one arg
(( $# )) || return 0
local original_widget_name="$1"
shift
if (( ${+widgets[$original_widget_name]} )); then
zle $original_widget_name -- $@
fi
}
#--------------------------------------------------------------------#
# Highlighting #
#--------------------------------------------------------------------#
# If there was a highlight, remove it
_zsh_autosuggest_highlight_reset() {
typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT
if [[ -n "$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT" ]]; then
region_highlight=("${(@)region_highlight:#$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT}")
unset _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT
fi
}
# If there's a suggestion, highlight it
_zsh_autosuggest_highlight_apply() {
typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT
if (( $#POSTDISPLAY )); then
typeset -g _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT="$#BUFFER $(($#BUFFER + $#POSTDISPLAY)) $ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE"
region_highlight+=("$_ZSH_AUTOSUGGEST_LAST_HIGHLIGHT")
else
unset _ZSH_AUTOSUGGEST_LAST_HIGHLIGHT
fi
}
#--------------------------------------------------------------------#
# Autosuggest Widget Implementations #
#--------------------------------------------------------------------#
# Disable suggestions
_zsh_autosuggest_disable() {
typeset -g _ZSH_AUTOSUGGEST_DISABLED
_zsh_autosuggest_clear
}
# Enable suggestions
_zsh_autosuggest_enable() {
unset _ZSH_AUTOSUGGEST_DISABLED
if (( $#BUFFER )); then
_zsh_autosuggest_fetch
fi
}
# Toggle suggestions (enable/disable)
_zsh_autosuggest_toggle() {
if [[ -n "${_ZSH_AUTOSUGGEST_DISABLED+x}" ]]; then
_zsh_autosuggest_enable
else
_zsh_autosuggest_disable
fi
}
# Clear the suggestion
_zsh_autosuggest_clear() {
# Remove the suggestion
unset POSTDISPLAY
_zsh_autosuggest_invoke_original_widget $@
}
# Modify the buffer and get a new suggestion
_zsh_autosuggest_modify() {
local -i retval
# Only available in zsh >= 5.4
local -i KEYS_QUEUED_COUNT
# Save the contents of the buffer/postdisplay
local orig_buffer="$BUFFER"
local orig_postdisplay="$POSTDISPLAY"
# Clear suggestion while waiting for next one
unset POSTDISPLAY
# Original widget may modify the buffer
_zsh_autosuggest_invoke_original_widget $@
retval=$?
# Don't fetch a new suggestion if there's more input to be read immediately
if (( $PENDING > 0 )) || (( $KEYS_QUEUED_COUNT > 0 )); then
POSTDISPLAY="$orig_postdisplay"
return $retval
fi
# Optimize if manually typing in the suggestion
if (( $#BUFFER > $#orig_buffer )); then
local added=${BUFFER#$orig_buffer}
# If the string added matches the beginning of the postdisplay
if [[ "$added" = "${orig_postdisplay:0:$#added}" ]]; then
POSTDISPLAY="${orig_postdisplay:$#added}"
return $retval
fi
fi
# Don't fetch a new suggestion if the buffer hasn't changed
if [[ "$BUFFER" = "$orig_buffer" ]]; then
POSTDISPLAY="$orig_postdisplay"
return $retval
fi
# Bail out if suggestions are disabled
if [[ -n "${_ZSH_AUTOSUGGEST_DISABLED+x}" ]]; then
return $?
fi
# Get a new suggestion if the buffer is not empty after modification
if (( $#BUFFER > 0 )); then
if [[ -z "$ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE" ]] || (( $#BUFFER <= $ZSH_AUTOSUGGEST_BUFFER_MAX_SIZE )); then
_zsh_autosuggest_fetch
fi
fi
return $retval
}
# Fetch a new suggestion based on what's currently in the buffer
_zsh_autosuggest_fetch() {
if zpty -t "$ZSH_AUTOSUGGEST_ASYNC_PTY_NAME" &>/dev/null; then
_zsh_autosuggest_async_request "$BUFFER"
else
local suggestion
_zsh_autosuggest_strategy_$ZSH_AUTOSUGGEST_STRATEGY "$BUFFER"
_zsh_autosuggest_suggest "$suggestion"
fi
}
# Offer a suggestion
_zsh_autosuggest_suggest() {
local suggestion="$1"
if [[ -n "$suggestion" ]] && (( $#BUFFER )); then
POSTDISPLAY="${suggestion#$BUFFER}"
else
unset POSTDISPLAY
fi
}
# Accept the entire suggestion
_zsh_autosuggest_accept() {
local -i max_cursor_pos=$#BUFFER
# When vicmd keymap is active, the cursor can't move all the way
# to the end of the buffer
if [[ "$KEYMAP" = "vicmd" ]]; then
max_cursor_pos=$((max_cursor_pos - 1))
fi
# Only accept if the cursor is at the end of the buffer
if [[ $CURSOR = $max_cursor_pos ]]; then
# Add the suggestion to the buffer
BUFFER="$BUFFER$POSTDISPLAY"
# Remove the suggestion
unset POSTDISPLAY
# Move the cursor to the end of the buffer
CURSOR=${#BUFFER}
fi
_zsh_autosuggest_invoke_original_widget $@
}
# Accept the entire suggestion and execute it
_zsh_autosuggest_execute() {
# Add the suggestion to the buffer
BUFFER="$BUFFER$POSTDISPLAY"
# Remove the suggestion
unset POSTDISPLAY
# Call the original `accept-line` to handle syntax highlighting or
# other potential custom behavior
_zsh_autosuggest_invoke_original_widget "accept-line"
}
# Partially accept the suggestion
_zsh_autosuggest_partial_accept() {
local -i retval cursor_loc
# Save the contents of the buffer so we can restore later if needed
local original_buffer="$BUFFER"
# Temporarily accept the suggestion.
BUFFER="$BUFFER$POSTDISPLAY"
# Original widget moves the cursor
_zsh_autosuggest_invoke_original_widget $@
retval=$?
# Normalize cursor location across vi/emacs modes
cursor_loc=$CURSOR
if [[ "$KEYMAP" = "vicmd" ]]; then
cursor_loc=$((cursor_loc + 1))
fi
# If we've moved past the end of the original buffer
if (( $cursor_loc > $#original_buffer )); then
# Set POSTDISPLAY to text right of the cursor
POSTDISPLAY="${BUFFER[$(($cursor_loc + 1)),$#BUFFER]}"
# Clip the buffer at the cursor
BUFFER="${BUFFER[1,$cursor_loc]}"
else
# Restore the original buffer
BUFFER="$original_buffer"
fi
return $retval
}
for action in clear modify fetch suggest accept partial_accept execute enable disable toggle; do
eval "_zsh_autosuggest_widget_$action() {
local -i retval
_zsh_autosuggest_highlight_reset
_zsh_autosuggest_$action \$@
retval=\$?
_zsh_autosuggest_highlight_apply
zle -R
return \$retval
}"
done
zle -N autosuggest-fetch _zsh_autosuggest_widget_fetch
zle -N autosuggest-suggest _zsh_autosuggest_widget_suggest
zle -N autosuggest-accept _zsh_autosuggest_widget_accept
zle -N autosuggest-clear _zsh_autosuggest_widget_clear
zle -N autosuggest-execute _zsh_autosuggest_widget_execute
zle -N autosuggest-enable _zsh_autosuggest_widget_enable
zle -N autosuggest-disable _zsh_autosuggest_widget_disable
zle -N autosuggest-toggle _zsh_autosuggest_widget_toggle
#--------------------------------------------------------------------#
# Default Suggestion Strategy #
#--------------------------------------------------------------------#
# Suggests the most recent history item that matches the given
# prefix.
#
_zsh_autosuggest_strategy_default() {
# Reset options to defaults and enable LOCAL_OPTIONS
emulate -L zsh
# Enable globbing flags so that we can use (#m)
setopt EXTENDED_GLOB
# Escape backslashes and all of the glob operators so we can use
# this string as a pattern to search the $history associative array.
# - (#m) globbing flag enables setting references for match data
# TODO: Use (b) flag when we can drop support for zsh older than v5.0.8
local prefix="${1//(#m)[\\*?[\]<>()|^~#]/\\$MATCH}"
# Get the history items that match
# - (r) subscript flag makes the pattern match on values
typeset -g suggestion="${history[(r)${prefix}*]}"
}
#--------------------------------------------------------------------#
# Match Previous Command Suggestion Strategy #
#--------------------------------------------------------------------#
# Suggests the most recent history item that matches the given
# prefix and whose preceding history item also matches the most
# recently executed command.
#
# For example, suppose your history has the following entries:
# - pwd
# - ls foo
# - ls bar
# - pwd
#
# Given the history list above, when you type 'ls', the suggestion
# will be 'ls foo' rather than 'ls bar' because your most recently
# executed command (pwd) was previously followed by 'ls foo'.
#
# Note that this strategy won't work as expected with ZSH options that don't
# preserve the history order such as `HIST_IGNORE_ALL_DUPS` or
# `HIST_EXPIRE_DUPS_FIRST`.
_zsh_autosuggest_strategy_match_prev_cmd() {
# Reset options to defaults and enable LOCAL_OPTIONS
emulate -L zsh
# Enable globbing flags so that we can use (#m)
setopt EXTENDED_GLOB
# TODO: Use (b) flag when we can drop support for zsh older than v5.0.8
local prefix="${1//(#m)[\\*?[\]<>()|^~#]/\\$MATCH}"
# Get all history event numbers that correspond to history
# entries that match pattern $prefix*
local history_match_keys
history_match_keys=(${(k)history[(R)$prefix*]})
# By default we use the first history number (most recent history entry)
local histkey="${history_match_keys[1]}"
# Get the previously executed command
local prev_cmd="$(_zsh_autosuggest_escape_command "${history[$((HISTCMD-1))]}")"
# Iterate up to the first 200 history event numbers that match $prefix
for key in "${(@)history_match_keys[1,200]}"; do
# Stop if we ran out of history
[[ $key -gt 1 ]] || break
# See if the history entry preceding the suggestion matches the
# previous command, and use it if it does
if [[ "${history[$((key - 1))]}" == "$prev_cmd" ]]; then
histkey="$key"
break
fi
done
# Give back the matched history entry
typeset -g suggestion="$history[$histkey]"
}
#--------------------------------------------------------------------#
# Async #
#--------------------------------------------------------------------#
# Zpty process is spawned running this function
_zsh_autosuggest_async_server() {
emulate -R zsh
# There is a bug in zpty module (fixed in zsh/master) by which a
# zpty that exits will kill all zpty processes that were forked
# before it. Here we set up a zsh exit hook to SIGKILL the zpty
# process immediately, before it has a chance to kill any other
# zpty processes.
zshexit() {
kill -KILL $$
sleep 1 # Block for long enough for the signal to come through
}
# Output only newlines (not carriage return + newline)
stty -onlcr
# Silence any error messages
exec 2>/dev/null
local last_pid
while IFS='' read -r -d $'\0' query; do
# Kill last bg process
kill -KILL $last_pid &>/dev/null
# Run suggestion search in the background
(
local suggestion
_zsh_autosuggest_strategy_$ZSH_AUTOSUGGEST_STRATEGY "$query"
echo -n -E "$suggestion"$'\0'
) &
last_pid=$!
done
}
_zsh_autosuggest_async_request() {
# Write the query to the zpty process to fetch a suggestion
zpty -w -n $ZSH_AUTOSUGGEST_ASYNC_PTY_NAME "${1}"$'\0'
}
# Called when new data is ready to be read from the pty
# First arg will be fd ready for reading
# Second arg will be passed in case of error
_zsh_autosuggest_async_response() {
setopt LOCAL_OPTIONS EXTENDED_GLOB
local suggestion
zpty -rt $ZSH_AUTOSUGGEST_ASYNC_PTY_NAME suggestion '*'$'\0' 2>/dev/null
zle autosuggest-suggest -- "${suggestion%%$'\0'##}"
}
_zsh_autosuggest_async_pty_create() {
# With newer versions of zsh, REPLY stores the fd to read from
typeset -h REPLY
# If we won't get a fd back from zpty, try to guess it
if (( ! $_ZSH_AUTOSUGGEST_ZPTY_RETURNS_FD )); then
integer -l zptyfd
exec {zptyfd}>&1 # Open a new file descriptor (above 10).
exec {zptyfd}>&- # Close it so it's free to be used by zpty.
fi
# Fork a zpty process running the server function
zpty -b $ZSH_AUTOSUGGEST_ASYNC_PTY_NAME _zsh_autosuggest_async_server
# Store the fd so we can remove the handler later
if (( REPLY )); then
_ZSH_AUTOSUGGEST_PTY_FD=$REPLY
else
_ZSH_AUTOSUGGEST_PTY_FD=$zptyfd
fi
# Set up input handler from the zpty
zle -F $_ZSH_AUTOSUGGEST_PTY_FD _zsh_autosuggest_async_response
}
_zsh_autosuggest_async_pty_destroy() {
# Remove the input handler
zle -F $_ZSH_AUTOSUGGEST_PTY_FD &>/dev/null
# Destroy the zpty
zpty -d $ZSH_AUTOSUGGEST_ASYNC_PTY_NAME &>/dev/null
}
_zsh_autosuggest_async_pty_recreate() {
_zsh_autosuggest_async_pty_destroy
_zsh_autosuggest_async_pty_create
}
_zsh_autosuggest_async_start() {
typeset -g _ZSH_AUTOSUGGEST_PTY_FD
_zsh_autosuggest_feature_detect_zpty_returns_fd
_zsh_autosuggest_async_pty_recreate
# We recreate the pty to get a fresh list of history events
add-zsh-hook precmd _zsh_autosuggest_async_pty_recreate
}
#--------------------------------------------------------------------#
# Start #
#--------------------------------------------------------------------#
# Start the autosuggestion widgets
_zsh_autosuggest_start() {
add-zsh-hook -d precmd _zsh_autosuggest_start
_zsh_autosuggest_bind_widgets
# Re-bind widgets on every precmd to ensure we wrap other wrappers.
# Specifically, highlighting breaks if our widgets are wrapped by
# zsh-syntax-highlighting widgets. This also allows modifications
# to the widget list variables to take effect on the next precmd.
add-zsh-hook precmd _zsh_autosuggest_bind_widgets
if [[ -n "${ZSH_AUTOSUGGEST_USE_ASYNC+x}" ]]; then
_zsh_autosuggest_async_start
fi
}
# Start the autosuggestion widgets on the next precmd
add-zsh-hook precmd _zsh_autosuggest_start