update prezto

.zprezto/modules/prompt/external/powerlevel9k/test-in-docker

@@ -2,10 +2,12 @@
 
 set -eu
 
-# The default ZSH to use.
-default_version='4.3.11'
+# The default ZSH to use; it can just be the first few characters.
+# This should be the oldest version we support.
+default_version='4.'
 
 setopt extended_glob glob_subst numeric_glob_sort
+setopt warn_create_global warn_nested_var 2> /dev/null
 cd "${${(%):-%x}:A:h}"
 
 # TODO: Crazy Logic to munge TERM to something supported in Ubuntu 14.04
@@ -15,13 +17,18 @@ term=screen-256color
 # ...see Modifiers in zshexpn(1) for details.
 
 # List of ZSH versions
-typeset -a versions
+typeset -aU versions
 versions=( docker/base-*/Dockerfile(N.on:h:t:s/base-//) )
+typeset -r versions
 
 # List of frameworks
-typeset -a frameworks
+typeset -aU frameworks
 frameworks=( docker/*/Dockerfile(N.on:h:t) )
-frameworks=${(@)frameworks:#base-*}
+for i in {$#frameworks..1}; do
+  # Remove all base entries
+  [[ "${frameworks[$i]}" == base-* ]] && frameworks[$i]=()
+done
+typeset -r frameworks
 
 # Known Issues
 typeset -A known_issues
@@ -30,6 +37,7 @@ known_issues["4.3.11-zim"]="BROKEN: Zim wants ZSH 5.2 or newer."
 known_issues["5.0.3-zim"]="DEPRECATED: Zim wants ZSH 5.2 or newer."
 known_issues["5.1.1-zim"]="DEPRECATED: Zim wants ZSH 5.2 or newer."
 known_issues["4.3.11-zulu"]="Zulu doesn't work; it needs a newer version of git."
+typeset -r known_issues
 
 err()
 {
@@ -65,6 +73,14 @@ check_for_known_issues() {
   fi
 }
 
+cmd() {
+  if (( dry_run )); then
+    echo "${(@q)*}" 1>&2
+  else
+    "${(@)*}"
+  fi
+}
+
 build_and_run() {
   local version="$1"
   local framework="$2"
@@ -75,14 +91,14 @@ build_and_run() {
   print -P "%F{green}Preparing containers...%f"
 
   echo -n "p9k:base-${version}: "
-  docker build \
+  cmd docker build \
     --quiet \
     --tag "p9k:base-${version}" \
     --file "docker/base-${version}/Dockerfile" \
     .
 
   echo -n "p9k:${version}-${framework}: "
-  docker build \
+  cmd docker build \
     --quiet \
     --build-arg="base=base-${version}" \
     --tag "p9k:${version}-${framework}" \
@@ -90,7 +106,7 @@ build_and_run() {
     .
 
   print -P "%F{green}Starting ${name} container...%f"
-  exec docker run \
+  cmd docker run \
     --rm \
     --interactive \
     --tty \
@@ -105,9 +121,10 @@ show_help() {
   echo
   echo "Loads up a docker image with powershell9k configured in <framework>"
   echo
-  echo "  --frameworks  Lists all available frameworks, newline separated."
-  echo "  --versions    Lists all available ZSH versions, newline separated."
-  echo "  --zsh VER     Uses ZSH with version VER."
+  echo "  -f --frameworks  Lists all available frameworks, newline separated."
+  echo "  -v --versions    Lists all available ZSH versions, newline separated."
+  echo "  -z --zsh VER     Uses ZSH with version VER."
+  echo "  -n --dry-run     Just prints the docker commands that would be run."
   echo "  --help        You're soaking in it."
   echo
   echo "ZSH versions:"
@@ -128,8 +145,9 @@ if (( $# == 0 )); then
 fi
 
 # Parse flags and such.
-use_version=$default_version
-use_framework=
+asked_for_version=$default_version
+asked_for_framework=
+dry_run=0
 while (( $# > 0 )); do
   case "$1" in
     -f | --frameworks )
@@ -142,13 +160,9 @@ while (( $# > 0 )); do
       ;;
     -z | --zsh )
       shift
-      local v="$(resolve_version "$1")"
-      if [[ -n "$v" ]]; then
-        use_version=$v
-      else
-        err "No such ZSH version '${1}'"
-      fi
+      asked_for_version=$1
       ;;
+    -n | --dry-run ) dry_run=1 ;;
     -h | --help )
       show_help
       exit
@@ -159,21 +173,28 @@ while (( $# > 0 )); do
       exit 1
       ;;
     * )
-      if [[ -z "$use_framework" ]]; then
-        local f="$(resolve_framework "$1")"
-        if [[ -n "$f" ]]; then
-          use_framework=$f
-        else
-          err "No such framework '${1}'"
-        fi
+      if [[ -z "$asked_for_framework" ]]; then
+        asked_for_framework=$1
       else
-        err "You can only specify one framework at a time; you already specified '${use_framework}'"
+        err "You can only specify one framework at a time; you already specified '${asked_for_framework}'"
       fi
       ;;
   esac
   shift
 done
 
+typeset -r asked_for_version asked_for_framework
+
+typeset -r use_version="$(resolve_version "${asked_for_version}")"
+if [[ -z "$use_version" ]]; then
+  err "No such ZSH version '${asked_for_version}'"
+fi
+
+typeset -r use_framework="$(resolve_framework "${asked_for_framework}")"
+if [[ -z "$use_framework" ]]; then
+  err "No such framework '${asked_for_framework}'"
+fi
+
 build_and_run "$use_version" "$use_framework"
 
 # EOF