fish-shell/share/functions/ls.fish
Aaron Gyes 488e208cca ls.fish: also show indicators on non-GNU ls, refactor
GNU ls's --indicator-style=classify is the same as POSIX -F.

Refactor and change command testing logic so that we define the
function in the same place for all platforms, and use -F on all
the platforms when stdout is a TTY.
2019-01-21 06:56:57 -08:00

38 lines
1.5 KiB
Fish

#
# Make ls use colors and show indicators if we are on a system that supports that feature and writing to stdout.
#
# BSD, macOS and others support colors with ls -G.
# GNU ls and FreeBSD ls takes --color=auto. Order of this test is important because ls also takes -G but it has a different meaning.
# Solaris 11's ls command takes a --color flag.
# Also test a no-op -- because we'll want to define this function even with an ls that can't do colors (like NetBSD).
for opt in --color=auto -G --color --
if command ls $opt / >/dev/null 2>/dev/null
function ls --description "List contents of directory" -V opt
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