fish-shell/share/functions/fish_print_hg_root.fish
Fabian Homborg 176c84fb9f Extract code to print hg root from the prompt
This is useful in other prompts, and potentially also to users.

Don't use a dunderscore because we do way too many of them.
2018-11-30 20:57:59 +01:00

22 lines
510 B
Fish

function fish_print_hg_root
# If hg isn't installed, there's nothing we can do
if not command -sq hg
return 1
end
# Find an hg directory above $PWD
# without calling `hg root` because that's too slow
set -l root
set -l dir (pwd -P)
while test $dir != "/"
if test -f $dir'/.hg/dirstate'
echo $dir/.hg
return 0
end
# Go up one directory
set dir (string replace -r '[^/]*/?$' '' $dir)
end
return 1
end