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a3b427b9fa
If you run `git branch --help', you will unexpectedly have created a new branch named "--help". This simple patch adds logic and a usage statement to catch this and similar problems, and adds a testcase for it. Signed-off-by: Amos Waterland <apw@rossby.metr.ou.edu> Signed-off-by: Junio C Hamano <junkio@cox.net>
48 lines
934 B
Bash
Executable file
48 lines
934 B
Bash
Executable file
#!/bin/sh
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. git-sh-setup || die "Not a git archive"
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usage () {
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echo >&2 "usage: $(basename $0)"' [<branchname> [start-point]]
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If no arguments, show available branches and mark current branch with a star.
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If one argument, create a new branch <branchname> based off of current HEAD.
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If two arguments, create a new branch <branchname> based off of <start-point>.
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'
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exit 1
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}
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case "$#" in
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0)
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headref=$(readlink "$GIT_DIR/HEAD" | sed -e 's|^refs/heads/||')
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git-rev-parse --symbolic --all |
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sed -ne 's|^refs/heads/||p' |
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sort |
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while read ref
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do
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if test "$headref" = "$ref"
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then
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pfx='*'
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else
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pfx=' '
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fi
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echo "$pfx $ref"
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done
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exit 0 ;;
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1)
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head=HEAD ;;
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2)
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head="$2^0" ;;
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esac
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branchname="$1"
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case "$branchname" in
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-*)
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usage;;
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esac
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rev=$(git-rev-parse --verify "$head") || exit
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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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