config-fish/functions/__flseg_git.fish
2022-04-22 16:15:09 +02:00

69 lines
2.4 KiB
Fish

#!/usr/bin/env fish
# -*- mode:fish; tab-width:4 -*-
function __flseg_git
if git rev-parse --git-dir >> /dev/null 2> /dev/null
set -l detached 0
set -l ahead 0
set -l behind 0
set -l branch (git rev-parse --abbrev-ref HEAD 2> /dev/null)
if [ "$status" -ne 0 ] # Repository is empty
set branch (git status —porcelain -b | head -n1 | cut -d' ' -f 3-)
set detached 1
else if [ "$branch" = "HEAD" ] # Repository is detached on tags / commit
set branch (git describe --tags --exact-match 2> /dev/null; or git log --format=%h --abbrev-commit -1 2> /dev/null)
set detached 1
else if git rev-parse --verify --quiet origin/$branch 2> /dev/null >> /dev/null
set ahead (git rev-list origin/$branch..$branch | wc -l)
set behind (git rev-list $branch..origin/$branch | wc -l)
end
# http://git-scm.com/docs/git-status
set -l gitstatus (git status --porcelain 2> /dev/null | cut -c 1-2 | awk 'BEGIN {s=0; n=0; u=0; t=0}; /^[MARCDU].$/ {s=1}; /^.[MDAU]$/ {n=1}; /^\?\?$/ {u=1}; {t=s+n+u} END {printf("%s\n%d\n%d\n%d", t, s, n, u)}')
# bool gitstatus[1] any changes
# bool gitstatus[2] staged changes
# bool gitstatus[3] unstaged changes
# bool gitstatus[4] untracked files
if [ $detached -eq 1 ]
set state Detached
else if [ $gitstatus[1] -gt 0 ]
set state Dirty
else
set state Clean
end
switch $state
case Dirty
__fishline_segment $FLCLR_GIT_BG_DIRTY $FLCLR_GIT_FG_DIRTY
printf "$FLSYM_GIT_BRANCH"
case Detached
__fishline_segment $FLCLR_GIT_BG_DETACHED $FLCLR_GIT_FG_DETACHED
printf "$FLSYM_GIT_DETACHED"
case '*'
__fishline_segment $FLCLR_GIT_BG_CLEAN $FLCLR_GIT_FG_CLEAN
printf "$FLSYM_GIT_BRANCH"
end
printf "$branch"
if [ $ahead -gt 0 ]
printf " %d$FLSYM_GIT_AHEAD" $ahead
end
if [ $behind -gt 0 ]
printf " %d$FLSYM_GIT_BEHIND" $behind
end
if [ $gitstatus[4] -eq 1 ]
printf " $FLSYM_GIT_UNTRACKED"
else if [ $gitstatus[3] -eq 1 ]
printf " $FLSYM_GIT_UNSTAGED"
else if [ $gitstatus[2] -eq 1 ]
printf " $FLSYM_GIT_STAGED"
end
end
end