sde-update-manifest: getting started with code that turns a manifest scan into a working tree

bin/sde-update-manifest

@@ -0,0 +1,78 @@
+#!/bin/sh
+# --- SDE-COPYRIGHT-NOTE-BEGIN ---
+# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
+#
+# Filename: bin/sde-update-manifest
+# Copyright (C) 2010 The OpenSDE Project
+#
+# More information can be found in the files COPYING and README.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License. A copy of the
+# GNU General Public License can be found in the file COPYING.
+# --- SDE-COPYRIGHT-NOTE-END ---
+
+[ -n "$SDEROOT" ] ||
+	export SDEROOT="$(cd "${0%/*}/.."; pwd -P)"
+
+. "$SDEROOT/lib/libsde.in"
+
+MANIFEST="$SDEROOT/etc/manifest.ini"
+
+manifest_update_git() {
+	local dir="$SDEROOT/$1" dirname="$1" GIT_DIR="$SDEROOT/$1/.git"
+       	local repo="$2" branch="$3"
+
+	if [ -d "$GIT_DIR" ]; then
+		local cur=$(GIT_DIR="$GIT_DIR" git branch | grep ^* | cut -c3-)
+		local remote0=$(GIT_DIR="$GIT_DIR" git config --get "branch.$cur.remote")
+		local branch0=$(GIT_DIR="$GIT_DIR" git config --get "branch.$cur.merge" | cut -d/ -f3-)
+		local repo0=$(GIT_DIR="$GIT_DIR" git config --get "remote.$remote0.url")
+		if [ "${repo#git+}" != "${repo0#git+}" ]; then
+			echo_warning "$dirname: repo mismatch ($repo vs. $repo0)"
+		elif [ "$branch" != "$branch0" ]; then
+			echo_warning "$dirname: branch mismatch ($branch vs. $branch0)"
+		else
+			echo_info "$dirname: updating..."
+			(cd "$dir"; git pull --rebase)
+		fi
+	else
+		echo_info "$dirname: cloning $repo ($branch)"
+		git clone "$repo" "$dir"
+	fi
+}
+
+manifest_update_svn() {
+	local dir="$SDEROOT/$1" dirname="$1" repo="$2" path="$3" branch="$4"
+	local url="$repo$path"
+	if [ "$branch" = "trunk" ]; then
+		url="$url/$branch"
+	else
+		url="$url/branches/$branch"
+	fi
+
+	if [ -d "$dir/.svn" ]; then
+		echo_warning "$dirname: already exists"
+	else
+		echo_info "$1 <- $url"
+		svn co "$url" "$dir"
+	fi
+}
+
+manifest_update_custom() {
+	local dir="$1" repo="$3" arg1="$3" arg2="$4"
+	echo_info "$1 <-? $repo ($arg1, $arg2)"
+}
+
+
+while read d r a0 a1 x; do
+	case "${r%%:*}" in
+	git|git+ssh) manifest_update_git "$d" "$r" "$a0"
+		;;
+	svn|svn+ssh) manifest_update_svn "$d" "$r" "$a0" "$a1"
+		;;
+	*)	manifest_update_custom "$d" "$r" "$a0" "$a1"
+		;;
+	esac
+done < "$MANIFEST.scan"