env/utils/shgit

51 lines
1.4 KiB
Plaintext

# shgit
# Written in 2019 by Lucas
# CC0 1.0 Universal/Public domain - No rights reserved
#
# To the extent possible under law, the author(s) have dedicated all
# copyright and related and neighboring rights to this software to the
# public domain worldwide. This software is distributed without any
# warranty. You should have received a copy of the CC0 Public Domain
# Dedication along with this software. If not, see
# <http://creativecommons.org/publicdomain/zero/1.0/>.
shgit()
{
: ${SHGIT_BEGIN:=} ${SHGIT_END:= } ${SHGIT_SEP:=:}
gitdir=$(git rev-parse --git-dir 2>/dev/null) && [ -n "$gitdir" ] ||
return
name=$(git symbolic-ref --short HEAD 2>/dev/null)
if [ -z "$name" ]; then
name=$(git rev-parse --short HEAD 2>/dev/null)
name=${hash:-?}
fi
rb=
rbdir=$gitdir/rebase-merge
if [ -d "$rbdir" ]; then
rb=${SHGIT_SEP}REBASE
read -r name <"$rbdir/head-name"
name=${name##*/}
[ -f "$rbdir/interactive" ] && rb="$rb-i"
rbcount=$(wc -l <"$rbdir/done")
read -r rbtotal <"$rbdir/end"
rb="$rb ${rbcount##* }/$rbtotal"
fi
status=
[ -n "$(git status --porcelain)" ] && status=${SHGIT_SEP}*
commits=$(git rev-list --left-right --count @{upstream}...HEAD \
2>/dev/null | tr "\t" ^)
if [ -n "$commits" ]; then
commits=v$commits
commits=${commits#v0}
commits=${commits%^0}
commits=${commits:+$SHGIT_SEP$commits}
fi
printf "%s%s%s" "$SHGIT_BEGIN" "$name$rb$status$commits" "$SHGIT_END"
}