136 lines
4.2 KiB
Bash
136 lines
4.2 KiB
Bash
# -*- mode: sh -*-
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#
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# git-escape-magic - zle tweak for git command line arguments
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#
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# Copyright (c) 2011, 2012, 2014 Akinori MUSHA
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# Licensed under the 2-clause BSD license.
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#
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# This tweak eliminates the need for manually escaping shell
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# meta-characters such as [~^{}] that are used for specifying a git
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# object (commit or tree). Every time you type one of these
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# characters on a git command line, it is automatically escaped with a
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# backslash as necessary and as appropriate.
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#
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# If you want to use this with url-quote-magic, make sure to enable it
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# first.
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#
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# Usage:
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# autoload -Uz git-escape-magic
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# git-escape-magic
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#
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git-escape-magic.self-insert() {
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emulate -L zsh
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setopt extendedglob
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local self_insert_function
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zstyle -s ':git-escape-magic' self-insert-function self_insert_function
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if [[ "$KEYS" == [{}~^]* ]] && {
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local qkey="${(q)KEYS}"
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[[ "$KEYS" != "$qkey" ]]
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} && {
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local lbuf="$LBUFFER$qkey"
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[[ "${(Q)LBUFFER}$KEYS" == "${(Q)lbuf}" ]]
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} && {
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local -a words
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words=("${(@Q)${(z)lbuf}}")
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[[ "$words[(i)(*/|)git(|-[^/]##)]" -le $#words ]]
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}
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then
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local i
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i="$words[(I)([;(){\&]|\&[\&\!]|\|\||[=<>]\(*)]"
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if [[ $i -gt 0 ]]; then
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shift $((i-1)) words
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if [[ "$words[1]" == [\=\<\>]\(* ]]; then
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words[1]="${words[1]#[=<>]\(}"
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else
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[[ "$words[1]" == \; && $words[2] == (then|else|elif|do) ]] && shift words
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shift words
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fi
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fi
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while [[ "$words[1]" == (if|while|until|\!) ]]; do
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shift words
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done
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while [[ "$words[1]" == [A-Za-z_][A-Za-z0-9_]#=* ]]; do
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shift words
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done
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[[ "$words[1]" == (*/|)git(|-[^/]##) ]] && {
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local subcommand
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subcommand="${words[1]##*/git-}"
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if [[ -z "$subcommand" ]]; then
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shift words
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subcommand="$words[1]"
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fi
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[[ $#words -ge 2 ]]
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} &&
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case "$subcommand" in
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# commands that may take pathspec but never take refspec with [{}~^]
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(add|rm|am|apply|check-attr|checkout-index|clean|clone|config|diff-files|hash-object|help|index-pack|mailinfo|mailsplit|merge-file|merge-index|mergetool|mktag|mv|pack-objects|pack-redundant|relink|send-email|show-index|show-ref|stage|status|verify-pack)
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false ;;
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# commands that may take pathspec but rarely take refspec with [{}~^]
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(for-each-ref|grep|ls-files|update-index)
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false ;;
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(archive|ls-tree)
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! [[ $#words -ge 3 &&
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"$words[-2]" == [^-]* ]] ;;
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(diff-tree)
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! [[ $#words -ge 4 &&
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"$words[-2]" == [^-]* &&
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"$words[-3]" == [^-]* ]] ;;
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(*)
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[[ $words[(i)--] -gt $#words ]] ;;
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esac &&
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case "${words[-1]%%"$KEYS"}" in
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(*[@^])
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[[ "$KEYS" == [{~^]* ]] ;;
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(*[@^]\{[^}]##)
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[[ "$KEYS" == \}* ]] ;;
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(?*)
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[[ "$KEYS" == [~^]* ]] ;;
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(*)
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false ;;
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esac &&
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LBUFFER="$LBUFFER\\"
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fi
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zle "$self_insert_function"
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}
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git-escape-magic.on() {
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emulate -L zsh
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local self_insert_function="${$(zle -lL | awk \
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'$1=="zle"&&$2=="-N"&&$3=="self-insert"{print $4;exit}'):-.self-insert}"
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[[ "$self_insert_function" == git-escape-magic.self-insert ]] &&
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return 0
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# For url-quote-magic which does not zle -N itself
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zle -la "$self_insert_function" || zle -N "$self_insert_function"
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zstyle ':git-escape-magic' self-insert-function "$self_insert_function"
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zle -A git-escape-magic.self-insert self-insert
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return 0
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}
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git-escape-magic.off() {
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emulate -L zsh
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local self_insert_function
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zstyle -s ':git-escape-magic' self-insert-function self_insert_function
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[[ -n "$self_insert_function" ]] &&
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zle -A "$self_insert_function" self-insert
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return 0
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}
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zle -N git-escape-magic.self-insert
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zle -N git-escape-magic.on
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zle -N git-escape-magic.off
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git-escape-magic() {
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git-escape-magic.on
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}
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[[ -o kshautoload ]] || git-escape-magic "$@"
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