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a38e727925
When not specifying the start point explicitly, we ended up emitting ^0 in addition to the default HEAD. Be careful to see if we have "$2" before finding out which commit to base the new branch on. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Junio C Hamano <junkio@cox.net>
18 lines
378 B
Bash
Executable File
18 lines
378 B
Bash
Executable File
#!/bin/sh
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. git-sh-setup-script || die "Not a git archive"
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branchname="$1"
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case "$2" in
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'')
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head=HEAD ;;
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*)
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head="$2^0" ;;
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esac
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rev=$(git-rev-parse --revs-only --verify "$head") || exit
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[ -z "$branchname" ] && die "git branch: I want a branch name"
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[ -e "$GIT_DIR/refs/heads/$branchname" ] && die "$branchname already exists"
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echo $rev > "$GIT_DIR/refs/heads/$branchname"
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