Add plugin for native autocompletion from Symfony 6

plugins/symfony6/README.md

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+# Symfony
+
+This plugin provides native completion for [Symfony](https://symfony.com/), but requires at least Symfony 6.2.
+
+To use it add `symfony6` to the plugins array in your zshrc file.
+
+```bash
+plugins=(... symfony6)
+```

plugins/symfony6/symfony6.plugin.zsh

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+#compdef console
+
+# This file is part of the Symfony package.
+#
+# (c) Fabien Potencier <[email protected]>
+#
+# For the full copyright and license information, please view
+# https://symfony.com/doc/current/contributing/code/license.html
+
+#
+# zsh completions for console
+#
+# References:
+# - https://github.com/spf13/cobra/blob/master/zsh_completions.go
+# - https://github.com/symfony/symfony/blob/5.4/src/Symfony/Component/Console/Resources/completion.bash
+#
+_sf_console() {
+ local lastParam flagPrefix requestComp out comp
+ local -a completions
+
+ # The user could have moved the cursor backwards on the command-line.
+ # We need to trigger completion from the $CURRENT location, so we need
+ # to truncate the command-line ($words) up to the $CURRENT location.
+ # (We cannot use $CURSOR as its value does not work when a command is an alias.)
+ words=("${=words[1,CURRENT]}") lastParam=${words[-1]}
+
+ # For zsh, when completing a flag with an = (e.g., console -n=<TAB>)
+ # completions must be prefixed with the flag
+ setopt local_options BASH_REMATCH
+ if [[ "${lastParam}" =~ '-.*=' ]]; then
+ # We are dealing with a flag with an =
+ flagPrefix="-P ${BASH_REMATCH}"
+ fi
+
+ # Prepare the command to obtain completions
+ requestComp="${words[0]} ${words[1]} _complete --no-interaction -szsh -a1 -c$((CURRENT-1))" i=""
+ for w in ${words[@]}; do
+ w=$(printf -- '%b' "$w")
+ # remove quotes from typed values
+ quote="${w:0:1}"
+ if [ "$quote" = \' ]; then
+ w="${w%\'}"
+ w="${w#\'}"
+ elif [ "$quote" = \" ]; then
+ w="${w%\"}"
+ w="${w#\"}"
+ fi
+ # empty values are ignored
+ if [ ! -z "$w" ]; then
+ i="${i}-i${w} "
+ fi
+ done
+
+ # Ensure at least 1 input
+ if [ "${i}" = "" ]; then
+ requestComp="${requestComp} -i\" \""
+ else
+ requestComp="${requestComp} ${i}"
+ fi
+
+ # Use eval to handle any environment variables and such
+ out=$(eval ${requestComp} 2>/dev/null)
+
+ while IFS='\n' read -r comp; do
+ if [ -n "$comp" ]; then
+ # If requested, completions are returned with a description.
+ # The description is preceded by a TAB character.
+ # For zsh's _describe, we need to use a : instead of a TAB.
+ # We first need to escape any : as part of the completion itself.
+ comp=${comp//:/\\:}
+ local tab=$(printf '\t')
+ comp=${comp//$tab/:}
+ completions+=${comp}
+ fi
+ done < <(printf "%s\n" "${out[@]}")
+
+ # Let inbuilt _describe handle completions
+ eval _describe "completions" completions $flagPrefix
+ return $?
+}
+
+compdef _sf_console console