diff options
Diffstat (limited to 'tests/ls-color.sh')
| -rwxr-xr-x | tests/ls-color.sh | 54 |
1 files changed, 34 insertions, 20 deletions
diff --git a/tests/ls-color.sh b/tests/ls-color.sh index c82a58d..b9a0402 100755 --- a/tests/ls-color.sh +++ b/tests/ls-color.sh @@ -1,36 +1,50 @@ #!/usr/bin/env bash -############################################################################ -# bfs # -# Copyright (C) 2019 Tavian Barnes <tavianator@tavianator.com> # -# # -# Permission to use, copy, modify, and/or distribute this software for any # -# purpose with or without fee is hereby granted. # -# # -# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES # -# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # -# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR # -# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # -# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # -# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF # -# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. # -############################################################################ +# Copyright © Tavian Barnes <tavianator@tavianator.com> +# SPDX-License-Identifier: 0BSD # Prints the "ground truth" coloring of a path using ls set -e +parse_ls_colors() { + for key; do + local -n var="$key" + if [[ "$LS_COLORS" =~ (^|:)$key=(([^:]|\\:)*) ]]; then + var="${BASH_REMATCH[2]}" + # Interpret escapes + var=$(printf "$var" | sed $'s/\^\[/\033/g; s/\\\\:/:/g') + fi + done +} + +re_escape() { + # https://stackoverflow.com/a/29613573/502399 + sed 's/[^^]/[&]/g; s/\^/\\^/g' <<<"$1" +} + +rs=0 +lc=$'\033[' +rc=m +ec= +no= + +parse_ls_colors rs lc rc ec no +: "${ec:=$lc$rs$rc}" + +strip="(($(re_escape "$lc$no$rc"))?($(re_escape "$ec")|$(re_escape "$lc$rc")))+" + +ls_color() { + # Strip the leading reset sequence from the ls output + ls -1d --color "$@" | sed -E "s/^$strip([a-z].*)$strip/\4/; s/^$strip//" +} + L= if [ "$1" = "-L" ]; then L="$1" shift fi -function ls_color() { - # Strip the leading reset sequence from the ls output - ls -1d --color "$@" | sed $'s/^\033\\[0m//' -} - DIR="${1%/*}" if [ "$DIR" = "$1" ]; then ls_color "$1" |