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8cb53ba692
The previous version rebound the `hash` and `rehash` builtins to reassing GNU utils when they were called. This didn't take into account that when `$PATH` changes, the commands are rehashed as well. This version adds a preexec hook to reassign the GNU utilities before running any command, if and only if they aren't already reassigned. This is checked by looking at the `whoami` command. Fixes #10535
61 lines
2.3 KiB
Bash
61 lines
2.3 KiB
Bash
# ------------------------------------------------------------------------------
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# FILE: gnu-utils.plugin.zsh
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# DESCRIPTION: oh-my-zsh plugin file.
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# AUTHOR: Sorin Ionescu (sorin.ionescu@gmail.com)
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# VERSION: 1.0.0
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# ------------------------------------------------------------------------------
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# Detect if GNU coreutils are installed by looking for gwhoami
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if [[ ! -x "${commands[gwhoami]}" ]]; then
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return
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fi
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__gnu_utils() {
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local -a gcmds
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local gcmd
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# coreutils
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gcmds=('g[' 'gbase64' 'gbasename' 'gcat' 'gchcon' 'gchgrp' 'gchmod'
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'gchown' 'gchroot' 'gcksum' 'gcomm' 'gcp' 'gcsplit' 'gcut' 'gdate'
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'gdd' 'gdf' 'gdir' 'gdircolors' 'gdirname' 'gdu' 'gecho' 'genv' 'gexpand'
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'gexpr' 'gfactor' 'gfalse' 'gfmt' 'gfold' 'ggroups' 'ghead' 'ghostid'
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'gid' 'ginstall' 'gjoin' 'gkill' 'glink' 'gln' 'glogname' 'gls' 'gmd5sum'
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'gmkdir' 'gmkfifo' 'gmknod' 'gmktemp' 'gmv' 'gnice' 'gnl' 'gnohup' 'gnproc'
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'god' 'gpaste' 'gpathchk' 'gpinky' 'gpr' 'gprintenv' 'gprintf' 'gptx' 'gpwd'
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'greadlink' 'grm' 'grmdir' 'gruncon' 'gseq' 'gsha1sum' 'gsha224sum'
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'gsha256sum' 'gsha384sum' 'gsha512sum' 'gshred' 'gshuf' 'gsleep' 'gsort'
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'gsplit' 'gstat' 'gstty' 'gsum' 'gsync' 'gtac' 'gtail' 'gtee' 'gtest'
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'gtimeout' 'gtouch' 'gtr' 'gtrue' 'gtruncate' 'gtsort' 'gtty' 'guname'
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'gunexpand' 'guniq' 'gunlink' 'guptime' 'gusers' 'gvdir' 'gwc' 'gwho'
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'gwhoami' 'gyes')
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# findutils
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gcmds+=('gfind' 'gxargs' 'glocate')
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# Not part of either coreutils or findutils, installed separately.
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gcmds+=('gsed' 'gtar' 'gtime' 'gmake' 'ggrep')
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for gcmd in "${gcmds[@]}"; do
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# Do nothing if the command isn't found
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(( ${+commands[$gcmd]} )) || continue
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# This method allows for builtin commands to be primary but it's
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# lost if hash -r or rehash is executed, or if $PATH is updated.
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# Thus, a preexec hook is needed, which will only run if whoami
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# is not already rehashed.
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#
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hash ${gcmd[2,-1]}=${commands[$gcmd]}
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done
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return 0
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}
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__gnu_utils_preexec() {
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# Run __gnu_utils when the whoami command is not already rehashed.
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# This acts as a sign that we need to rehash all GNU utils.
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[[ "${commands[whoami]}" = "${commands[gwhoami]}" ]] || __gnu_utils
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}
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autoload -Uz add-zsh-hook
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add-zsh-hook preexec __gnu_utils_preexec
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