common/home/fish/functions/fish_prompt.fish

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#!/bin/fish
set PROMPTDIRS "~":$HOME
#
# This function takes the $PROMPTDIRS variable and tries to shorten the
# input (i.e. $argv[1]) w.r.t. the variable.
#
# e.g. If $PROMPTDIRS contains the pair $PR:$HOME/Projects,
#
# (prompt_abbr ~/Projects/Applications)
#
# will show "$PR/Applications", and ~/Projects will be converted to $PR.
#
# To set multiple $PROMPTDIRS entry, use successive (where $ABBR is some
# directory to be abbreviated)
#
# set PROMPTDIRS \$ABBR:$ABBR $PROMPTDIRS
#
# with the outermost directory being set first.
#
function prompt_abbr
set in $argv[1]
for d in $PROMPTDIRS
set -l kv (string split -m 1 ":" $d)
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switch "$in"
case "$kv[2]/*"
set in (string replace $kv[2] $kv[1] $in)
break
case "$kv[2]"
set in "$kv[1]"
break
case "*"
end
end
echo "$in"
end
function fish_prompt
# set_color white
# echo -n '['
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set -l FishStatusCodeCache $status
set_color -o 00FF00
echo -n (whoami)
set_color normal
echo -n '@'
set_color AFD75F
echo -n (hostname)
set_color white
echo -n ':'
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set_color 8787FF
echo -n (prompt_abbr $PWD)
set_color 5F87D7
echo -n (__fish_vcs_prompt)
if test $FishStatusCodeCache -eq 0
#set_color 18C412
else
set_color E84505
echo -n " [$FishStatusCodeCache]"
end
# set_color white
# echo -n "]"
set_color -o white
echo -n "> "
set_color normal
end