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-rwxr-xr-xgit-checkout.sh99
1 files changed, 49 insertions, 50 deletions
diff --git a/git-checkout.sh b/git-checkout.sh
index 8993920..c00cedd 100755
--- a/git-checkout.sh
+++ b/git-checkout.sh
@@ -1,6 +1,16 @@
#!/bin/sh
-USAGE='[-q] [-f] [-b <new_branch>] [-m] [<branch>] [<paths>...]'
+OPTIONS_KEEPDASHDASH=t
+OPTIONS_SPEC="\
+git-branch [options] [<branch>] [<paths>...]
+--
+b= create a new branch started at <branch>
+l create the new branchs reflog
+track tells if the new branch should track the remote branch
+f proceed even if the index or working tree is not HEAD
+m performa three-way merge on local modifications if needed
+q,quiet be quiet
+"
SUBDIRECTORY_OK=Sometimes
. git-sh-setup
require_work_tree
@@ -20,13 +30,12 @@ quiet=
v=-v
LF='
'
-while [ "$#" != "0" ]; do
- arg="$1"
- shift
- case "$arg" in
- "-b")
- newbranch="$1"
+
+while test $# != 0; do
+ case "$1" in
+ -b)
shift
+ newbranch="$1"
[ -z "$newbranch" ] &&
die "git checkout: -b needs a branch name"
git show-ref --verify --quiet -- "refs/heads/$newbranch" &&
@@ -34,64 +43,54 @@ while [ "$#" != "0" ]; do
git check-ref-format "heads/$newbranch" ||
die "git checkout: we do not like '$newbranch' as a branch name."
;;
- "-l")
+ -l)
newbranch_log=-l
;;
- "--track"|"--no-track")
- track="$arg"
+ --track|--no-track)
+ track="$1"
;;
- "-f")
+ -f)
force=1
;;
-m)
merge=1
;;
- "-q")
+ -q|--quiet)
quiet=1
v=
;;
--)
+ shift
break
;;
- -*)
- usage
- ;;
*)
- if rev=$(git rev-parse --verify "$arg^0" 2>/dev/null)
- then
- if [ -z "$rev" ]; then
- echo "unknown flag $arg"
- exit 1
- fi
- new_name="$arg"
- if git show-ref --verify --quiet -- "refs/heads/$arg"
- then
- rev=$(git rev-parse --verify "refs/heads/$arg^0")
- branch="$arg"
- fi
- new="$rev"
- elif rev=$(git rev-parse --verify "$arg^{tree}" 2>/dev/null)
- then
- # checking out selected paths from a tree-ish.
- new="$rev"
- new_name="$arg^{tree}"
- branch=
- else
- new=
- new_name=
- branch=
- set x "$arg" "$@"
- shift
- fi
- case "$1" in
- --)
- shift ;;
- esac
- break
+ usage
;;
- esac
+ esac
+ shift
done
+arg="$1"
+if rev=$(git rev-parse --verify "$arg^0" 2>/dev/null)
+then
+ [ -z "$rev" ] && die "unknown flag $arg"
+ new_name="$arg"
+ if git show-ref --verify --quiet -- "refs/heads/$arg"
+ then
+ rev=$(git rev-parse --verify "refs/heads/$arg^0")
+ branch="$arg"
+ fi
+ new="$rev"
+ shift
+elif rev=$(git rev-parse --verify "$arg^{tree}" 2>/dev/null)
+then
+ # checking out selected paths from a tree-ish.
+ new="$rev"
+ new_name="$arg^{tree}"
+ shift
+fi
+[ "$1" = "--" ] && shift
+
case "$newbranch,$track" in
,--*)
die "git checkout: --track and --no-track require -b"
@@ -138,8 +137,8 @@ Did you intend to checkout '$@' which can not be resolved as commit?"
git ls-files -- "$@" |
git checkout-index -f -u --stdin
- # Run a post-checkout hook -- the HEAD does not change so the
- # current HEAD is passed in for both args
+ # Run a post-checkout hook -- the HEAD does not change so the
+ # current HEAD is passed in for both args
if test -x "$GIT_DIR"/hooks/post-checkout; then
"$GIT_DIR"/hooks/post-checkout $old $old 0
fi
@@ -294,5 +293,5 @@ fi
# Run a post-checkout hook
if test -x "$GIT_DIR"/hooks/post-checkout; then
- "$GIT_DIR"/hooks/post-checkout $old $new 1
+ "$GIT_DIR"/hooks/post-checkout $old $new 1
fi