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Copy pathgit-lsx
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executable file
·68 lines (57 loc) · 2.25 KB
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#!/usr/bin/env bash
# git-lsx - Lists files in the index, emphasizing those marked executable.
#
# This file is part of gitscripts, some custom git commands.
#
# Written in 2019 by Eliah Kagan <degeneracypressure@gmail.com>.
#
# To the extent possible under law, the author(s) have dedicated all copyright
# and related and neighboring rights to this software to the public domain
# worldwide. This software is distributed without any warranty.
#
# You should have received a copy of the CC0 Public Domain Dedication along
# with this software. If not, see
# <http://creativecommons.org/publicdomain/zero/1.0/>.
set -efo pipefail
shopt -s lastpipe
# See inode(7), "The file type and mode"
declare -ri S_IFMT=8#170000 S_IFLNK=8#120000 all_perms=8#7777 all_exec=8#111
if [ -t 1 ]; then
readonly symlink_color=$'\e[01;36m' # bright cyan
readonly exec_color=$'\e[01;32m' # bright green
readonly merge_color=$'\e[01;31m' # bright red
readonly no_color=$'\e[0m' # white
else
readonly symlink_color='' exec_color='' merge_color='' no_color=''
fi
declare -ri status_good=0 status_malformed_record=2
declare -i status="$status_good"
display() { # call with (type/mode in octal, stage number, pathname)
local -ri bits="8#$1" num="$2"
local -r path="$3"
if (((bits & S_IFMT) == S_IFLNK)); then # symbolic link
local -r before="$symlink_color" after="${no_color}@"
elif ((bits & all_exec)); then # at least one executable bit set
local -r before="$exec_color" after="${no_color}*"
else
local -r before='' after=''
fi
if ((num > 0)); then # candidate in merge conflict
local -r merge=" $merge_color(MERGING #$num)$no_color"
else
local -r merge=''
fi
local -ri low_bits="$((bits & all_perms))"
printf '%04o %s%s%s%s\n' "$low_bits" "$before" "$path" "$after" "$merge"
}
readonly -f display
readonly record_pattern='^([0-7]+) [[:xdigit:]]+ ([[:digit:]]+)'$'\t''(.+)$'
git ls-files -sz -- "$@" | while IFS= read -rd '' record; do
if [[ $record =~ $record_pattern ]]; then
display "${BASH_REMATCH[@]:1:3}"
else
((status != status_good)) || status="$status_malformed_record"
printf '%s: malformed record "%s"\n' "$0" "$record" >&2
fi
done
exit "$status"