create_tarball: Add automatic creation of SCM metadata

create_tarball

@@ -67,6 +67,23 @@ if [[ -n "$target_tag" ]] && \
         exit 1
 fi
 
+# Get submodule name
+REMOTE_URL=$(git config --get remote.origin.url)
+if [ "$REMOTE_URL" = "${REMOTE_URL%/tde}" ]; then
+    TDEROOT=$( cd `git rev-parse --show-toplevel` &&
+               cd .. &&
+               cd `git rev-parse --show-toplevel` &&
+               pwd )
+    SUBROOT=$( cd `git rev-parse --show-toplevel` &&
+               pwd )
+elif [ -f .gitignore ]; then
+    TDEROOT=$( cd `git rev-parse --show-toplevel` &&
+               pwd )
+    SUBROOT=$PWD
+    METAPACKAGE=true
+fi
+MODULE=${SUBROOT#$TDEROOT/main/}
+
 # Calculate version
 tag=`git tag | sort -r | while read t; do \
      git branch --contains $t | cut -c 3- | grep -x "$branch" >/dev/null && \
@@ -87,11 +104,14 @@ fi
 echo "Package name: $package"
 if [ ! -e $TARBALL_DIR/$package.tar.$TAR_SUFFIX ]; then
   echo "Creating tarball in $TARBALL_DIR."
-  trap "rm $TARBALL_DIR/tar-$$; exit 1" INT
+  echo $MODULE > .tdescmmodule
+  echo $branch-$(git rev-parse HEAD) > .tdescmrevision
+  trap "rm $TARBALL_DIR/tar-$$; rm .tdescmmodule .tdescmrevision; exit 1" INT
   tar c --owner=root --group=users --exclude .git --exclude .gitmodules --transform "s|^\.\(/\|$\)|$package\1|" ./ | \
   $COMPRESS -9 >$TARBALL_DIR/tar-$$ && \
   mv $TARBALL_DIR/tar-$$ $TARBALL_DIR/$package.tar.$TAR_SUFFIX || \
   rm $TARBALL_DIR/tar-$$
+  rm .tdescmmodule .tdescmrevision
 else
   echo "Unchanged tarball in $TARBALL_DIR."
   exit 2