1 files changed, 95 insertions, 0 deletions
diff --git a/git-parse-remote.sh b/git-parse-remote.sh
new file mode 100644
index 0000000..5f47b18
--- /dev/null
+++ b/git-parse-remote.sh
@@ -0,0 +1,95 @@
+#!/bin/sh
+
+# git-ls-remote could be called from outside a git managed repository;
+# this would fail in that case and would issue an error message.
+GIT_DIR=$(git rev-parse -q --git-dir) || :;
+
+get_data_source () {
+	case "$1" in
+	*/*)
+		echo ''
+		;;
+	.)
+		echo self
+		;;
+	*)
+		if test "$(git config --get "remote.$1.url")"
+		then
+			echo config
+		elif test -f "$GIT_DIR/remotes/$1"
+		then
+			echo remotes
+		elif test -f "$GIT_DIR/branches/$1"
+		then
+			echo branches
+		else
+			echo ''
+		fi ;;
+	esac
+}
+
+get_remote_url () {
+	data_source=$(get_data_source "$1")
+	case "$data_source" in
+	'')
+		echo "$1"
+		;;
+	self)
+		echo "$1"
+		;;
+	config)
+		git config --get "remote.$1.url"
+		;;
+	remotes)
+		sed -ne '/^URL: */{
+			s///p
+			q
+		}' "$GIT_DIR/remotes/$1"
+		;;
+	branches)
+		sed -e 's/#.*//' "$GIT_DIR/branches/$1"
+		;;
+	*)
+		die "internal error: get-remote-url $1" ;;
+	esac
+}
+
+get_default_remote () {
+	curr_branch=$(git symbolic-ref -q HEAD | sed -e 's|^refs/heads/||')
+	origin=$(git config --get "branch.$curr_branch.remote")
+	echo ${origin:-origin}
+}
+
+get_remote_merge_branch () {
+	case "$#" in
+	0|1)
+	    origin="$1"
+	    default=$(get_default_remote)
+	    test -z "$origin" && origin=$default
+	    curr_branch=$(git symbolic-ref -q HEAD)
+	    [ "$origin" = "$default" ] &&
+	    echo $(git for-each-ref --format='%(upstream)' $curr_branch)
+	    ;;
+	*)
+	    repo=$1
+	    shift
+	    ref=$1
+	    # FIXME: It should return the tracking branch
+	    #        Currently only works with the default mapping
+	    case "$ref" in
+	    +*)
+		ref=$(expr "z$ref" : 'z+\(.*\)')
+		;;
+	    esac
+	    expr "z$ref" : 'z.*:' >/dev/null || ref="${ref}:"
+	    remote=$(expr "z$ref" : 'z\([^:]*\):')
+	    case "$remote" in
+	    '' | HEAD ) remote=HEAD ;;
+	    heads/*) remote=${remote#heads/} ;;
+	    refs/heads/*) remote=${remote#refs/heads/} ;;
+	    refs/* | tags/* | remotes/* ) remote=
+	    esac
+
+	    [ -n "$remote" ] && echo "refs/remotes/$repo/$remote"
+	esac
+}