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Extract setting $LS_COLORS to its own function

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Makes it easier to override ls while keeping $LS_COLORS.
This commit is contained in:
Fabian Homborg 2020-05-23 09:12:52 +02:00
parent a9bfe7f164
commit 928e80ad6a
2 changed files with 19 additions and 18 deletions
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18
share/functions/__fish_set_lscolors.fish Normal file
View file

@ -0,0 +1,18 @@
function __fish_set_lscolors --description 'Set $LS_COLORS if possible'
if ! set -qx LS_COLORS && set -l cmd (command -s {g,}dircolors)[1]
set -l colorfile
for file in ~/.dir_colors ~/.dircolors /etc/DIR_COLORS
if test -f $file
set colorfile $file
break
end
end
# Here we rely on the legacy behavior of `dircolors -c` producing output
# suitable for csh in order to extract just the data we're interested in.
set -gx LS_COLORS ($cmd -c $colorfile | string split ' ')[3]
# The value should always be quoted but be conservative and check first.
if string match -qr '^([\'"]).*\1$' -- $LS_COLORS
set LS_COLORS (string match -r '^.(.*).$' $LS_COLORS)[2]
end
end
end

19
share/functions/ls.fish
View file

@ -9,30 +9,13 @@
for opt in --color=auto -G --color -F
if command ls $opt / >/dev/null 2>/dev/null
function ls --description "List contents of directory" -V opt
__fish_set_lscolors
isatty stdout
and set -a opt -F
command ls $opt $argv
end
if [ $opt = --color=auto ] && ! set -qx LS_COLORS && set -l cmd (command -s {g,}dircolors)[1]
set -l colorfile
for file in ~/.dir_colors ~/.dircolors /etc/DIR_COLORS
if test -f $file
set colorfile $file
break
end
end
# Here we rely on the legacy behavior of `dircolors -c` producing output
# suitable for csh in order to extract just the data we're interested in.
set -gx LS_COLORS ($cmd -c $colorfile | string split ' ')[3]
# The value should always be quoted but be conservative and check first.
if string match -qr '^([\'"]).*\1$' -- $LS_COLORS
set LS_COLORS (string match -r '^.(.*).$' $LS_COLORS)[2]
end
end
break
end
end