SUBDIRECTORY_OK=Sometimes
. git-sh-setup
-old=$(git-rev-parse HEAD)
old_name=HEAD
+old=$(git-rev-parse --verify $old_name 2>/dev/null)
new=
new_name=
force=
set x "$arg" "$@"
shift
fi
+ case "$1" in
+ --)
+ shift ;;
+ esac
break
;;
esac
die "git checkout: to checkout the requested commit you need to specify
a name for a new branch which is created and switched to"
+if [ "X$old" = X ]
+then
+ echo "warning: You do not appear to currently be on a branch." >&2
+ echo "warning: Forcing checkout of $new_name." >&2
+ force=1
+fi
+
if [ "$force" ]
then
git-read-tree --reset -u $new
# Match the index to the working tree, and do a three-way.
git diff-files --name-only | git update-index --remove --stdin &&
work=`git write-tree` &&
- git read-tree --reset $new &&
- git checkout-index -f -u -q -a &&
+ git read-tree --reset -u $new &&
git read-tree -m -u --aggressive $old $new $work || exit
if result=`git write-tree 2>/dev/null`