summaryrefslogtreecommitdiff
path: root/git-branch.sh
blob: 81b9e6cce138452ab50c1dee869b82a9f6706d34 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
#!/bin/sh
 
. git-sh-setup || die "Not a git archive"
 
usage () {
    echo >&2 "usage: $(basename $0)"' [<branchname> [start-point]]
 
If no arguments, show available branches and mark current branch with a star.
If one argument, create a new branch <branchname> based off of current HEAD.
If two arguments, create a new branch <branchname> based off of <start-point>.
'
    exit 1
}
 
case "$#" in
0)
	headref=$(readlink "$GIT_DIR/HEAD" | sed -e 's|^refs/heads/||')
	git-rev-parse --symbolic --all |
	sed -ne 's|^refs/heads/||p' |
	sort |
	while read ref
	do
		if test "$headref" = "$ref"
		then
			pfx='*'
		else
			pfx=' '
		fi
		echo "$pfx $ref"
	done
	exit 0 ;;
1)
	head=HEAD ;;
2)
	head="$2^0" ;;
esac
branchname="$1"
 
case "$branchname" in
-*)
	usage;;
esac
 
rev=$(git-rev-parse --verify "$head") || exit
 
[ -e "$GIT_DIR/refs/heads/$branchname" ] && die "$branchname already exists"
 
echo $rev > "$GIT_DIR/refs/heads/$branchname"