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#!/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"
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