-merge_name=$(echo "$1" | sed 's:\.git/*$::')
-merge_head=HEAD
-type=head
-if [ "$2" = "tag" ]; then
- type=tag
- shift
-fi
-if [ "$2" ]
-then
- merge_name="$type '$2' of $merge_name"
- merge_head="refs/${type}s/$2"
-fi
-
-: ${GIT_DIR=.git}
-: ${GIT_OBJECT_DIRECTORY="${SHA1_FILE_DIRECTORY-"$GIT_DIR/objects"}"}
-
-git-fetch-script "$merge_repo" "$merge_head" || exit 1