Manage submodules init/update/delete automatically.

Author: Gaspar Chilingarov

maint/remove_submodule.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+echo "check source and run commands manually :)"
+
+exit 5
+
+
+# Remove the submodule entry from .git/config
+git submodule deinit -f path/to/submodule
+
+# Remove the submodule directory from the superproject's .git/modules directory
+rm -rf .git/modules/path/to/submodule
+
+# Remove the entry in .gitmodules and remove the submodule directory located at path/to/submodule
+git rm -f path/to/submodule
+

maint/update_submodules.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+cd ..
+#git submodule foreach git pull
+git submodule update --remote --merge
+

update.sh

@@ -5,7 +5,24 @@ cd $CWD
 
 git pull
 
-# TODO: add functionality to detect submodule URL changes and
-# deinit/remove/add
+SUBMODULE_LIST=`git submodule status | awk '{print $2}'`
 
+HAS_REPOS_W_CHANGED_URLS=""
+
+for SUBMOD in $SUBMODULE_LIST; do
+	cd $CWD/$SUBMOD
+	REPO_URL=`git remote -v | grep fetch | awk '{print $2}'`
+	cd $CWD
+	MANIFEST_URL=`egrep -A1 "path = $SUBMOD\$" .gitmodules | grep url | awk '{print $3}'`
+	if [ "$MANIFEST_URL" != "$REPO_URL" ]; then
+		echo "changed repo URL $SUBMOD $REPO_URL $MANIFEST_URL"
+		HAS_REPOS_W_CHANGED_URLS="YES"
+		rm -rf $CWD/$SUBMOD
+		rm -rf $CWD/.git/modules/$SUBMOD
+	fi
+done
+
+cd $CWD
+git submodule sync
+git submodule update --init --recursive --depth 100 -j 3
 git submodule update --remote --merge