From 8634d9542a974ce4700ca14c3d3bc410945cc20a Mon Sep 17 00:00:00 2001 From: Matthew Turney Date: Mon, 19 Aug 2019 10:57:19 -0500 Subject: [PATCH] Add git-escape-magic plugin (#2847) --- plugins/git-escape-magic/README.md | 17 +++ plugins/git-escape-magic/git-escape-magic | 135 ++++++++++++++++++ .../git-escape-magic.plugin.zsh | 9 ++ 3 files changed, 161 insertions(+) create mode 100644 plugins/git-escape-magic/README.md create mode 100644 plugins/git-escape-magic/git-escape-magic create mode 100644 plugins/git-escape-magic/git-escape-magic.plugin.zsh diff --git a/plugins/git-escape-magic/README.md b/plugins/git-escape-magic/README.md new file mode 100644 index 000000000..a14364f22 --- /dev/null +++ b/plugins/git-escape-magic/README.md @@ -0,0 +1,17 @@ +# Git Escape Magic + +This plugin is copied from the original at +https://github.com/knu/zsh-git-escape-magic. All credit for the +functionality enabled by this plugin should go to @knu. + +An excerpt from that project's readme explains it's purpose. + +> It eliminates the need for manually escaping those meta-characters. The zle function it provides is context aware and recognizes the characteristics of each subcommand of git. Every time you type one of these meta-characters on a git command line, it automatically escapes the meta-character with a backslash as necessary and as appropriate. + +## Useage + +To use this plugin add it to your list of plugins in your `.zshrc` file. + +**NOTE**: If you use url-quote-magic it must be included before this +plugin runs to prevent any conflicts. + diff --git a/plugins/git-escape-magic/git-escape-magic b/plugins/git-escape-magic/git-escape-magic new file mode 100644 index 000000000..94a8d7b0f --- /dev/null +++ b/plugins/git-escape-magic/git-escape-magic @@ -0,0 +1,135 @@ +# -*- mode: sh -*- +# +# git-escape-magic - zle tweak for git command line arguments +# +# Copyright (c) 2011, 2012, 2014 Akinori MUSHA +# Licensed under the 2-clause BSD license. +# +# This tweak eliminates the need for manually escaping shell +# meta-characters such as [~^{}] that are used for specifying a git +# object (commit or tree). Every time you type one of these +# characters on a git command line, it is automatically escaped with a +# backslash as necessary and as appropriate. +# +# If you want to use this with url-quote-magic, make sure to enable it +# first. +# +# Usage: +# autoload -Uz git-escape-magic +# git-escape-magic +# + +git-escape-magic.self-insert() { + emulate -L zsh + setopt extendedglob + local self_insert_function + zstyle -s ':git-escape-magic' self-insert-function self_insert_function + + if [[ "$KEYS" == [{}~^]* ]] && { + local qkey="${(q)KEYS}" + [[ "$KEYS" != "$qkey" ]] + } && { + local lbuf="$LBUFFER$qkey" + [[ "${(Q)LBUFFER}$KEYS" == "${(Q)lbuf}" ]] + } && { + local -a words + words=("${(@Q)${(z)lbuf}}") + [[ "$words[(i)(*/|)git(|-[^/]##)]" -le $#words ]] + } + then + local i + i="$words[(I)([;(){\&]|\&[\&\!]|\|\||[=<>]\(*)]" + if [[ $i -gt 0 ]]; then + shift $((i-1)) words + if [[ "$words[1]" == [\=\<\>]\(* ]]; then + words[1]="${words[1]#[=<>]\(}" + else + [[ "$words[1]" == \; && $words[2] == (then|else|elif|do) ]] && shift words + shift words + fi + fi + while [[ "$words[1]" == (if|while|until|\!) ]]; do + shift words + done + while [[ "$words[1]" == [A-Za-z_][A-Za-z0-9_]#=* ]]; do + shift words + done + [[ "$words[1]" == (*/|)git(|-[^/]##) ]] && { + local subcommand + subcommand="${words[1]##*/git-}" + if [[ -z "$subcommand" ]]; then + shift words + subcommand="$words[1]" + fi + [[ $#words -ge 2 ]] + } && + case "$subcommand" in + # commands that may take pathspec but never take refspec with [{}~^] + (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) + false ;; + # commands that may take pathspec but rarely take refspec with [{}~^] + (for-each-ref|grep|ls-files|update-index) + false ;; + (archive|ls-tree) + ! [[ $#words -ge 3 && + "$words[-2]" == [^-]* ]] ;; + (diff-tree) + ! [[ $#words -ge 4 && + "$words[-2]" == [^-]* && + "$words[-3]" == [^-]* ]] ;; + (*) + [[ $words[(i)--] -gt $#words ]] ;; + esac && + case "${words[-1]%%"$KEYS"}" in + (*[@^]) + [[ "$KEYS" == [{~^]* ]] ;; + (*[@^]\{[^}]##) + [[ "$KEYS" == \}* ]] ;; + (?*) + [[ "$KEYS" == [~^]* ]] ;; + (*) + false ;; + esac && + LBUFFER="$LBUFFER\\" + fi + + zle "$self_insert_function" +} + +git-escape-magic.on() { + emulate -L zsh + local self_insert_function="${$(zle -lL | awk \ + '$1=="zle"&&$2=="-N"&&$3=="self-insert"{print $4;exit}'):-.self-insert}" + + [[ "$self_insert_function" == git-escape-magic.self-insert ]] && + return 0 + + # For url-quote-magic which does not zle -N itself + zle -la "$self_insert_function" || zle -N "$self_insert_function" + + zstyle ':git-escape-magic' self-insert-function "$self_insert_function" + + zle -A git-escape-magic.self-insert self-insert + return 0 +} + +git-escape-magic.off() { + emulate -L zsh + local self_insert_function + zstyle -s ':git-escape-magic' self-insert-function self_insert_function + + [[ -n "$self_insert_function" ]] && + zle -A "$self_insert_function" self-insert + return 0 +} + +zle -N git-escape-magic.self-insert +zle -N git-escape-magic.on +zle -N git-escape-magic.off + +git-escape-magic() { + git-escape-magic.on +} + +[[ -o kshautoload ]] || git-escape-magic "$@" + diff --git a/plugins/git-escape-magic/git-escape-magic.plugin.zsh b/plugins/git-escape-magic/git-escape-magic.plugin.zsh new file mode 100644 index 000000000..c021ea707 --- /dev/null +++ b/plugins/git-escape-magic/git-escape-magic.plugin.zsh @@ -0,0 +1,9 @@ +# Automatically detect and escape zsh globbing meta-characters when used with +# git refspec characters like `[^~{}]`. NOTE: This must be loaded _after_ +# url-quote-magic. +# +# This trick is detailed at https://github.com/knu/zsh-git-escape-magic and is +# what allowed this plugin to exist. + +autoload -Uz git-escape-magic +git-escape-magic