DEB build scripts: further improvement to detection of correct scm info when working on detached HEAD.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

debian/_buildscripts/local/build_module.sh

@@ -275,7 +275,10 @@ if [ "$bool_COPY_MOD_SRC" = "y" ]; then
     echo "# TDE SCM module information" > "$MOD_BUILD_PATH/.tdescminfo"
     echo "Name: $MOD_NAME" >> "$MOD_BUILD_PATH/.tdescminfo"
     cd "$MOD_GIT_PATH"
-    MOD_BRANCH=`git rev-parse --abbrev-ref HEAD | grep -v "no branch" | head -n1`
+		MOD_BRANCH=`git symbolic-ref -q HEAD | sed "s|^refs/heads/||"`
+		if [[ -z "$MOD_BRANCH" ]]; then
+			MOD_BRANCH=`git branch --contains HEAD | egrep -v "no branch|detached" | head -n1 | cut -c 3-`
+		fi
     COMMIT_HASH=`git rev-parse HEAD`
     echo "Revision: $MOD_BRANCH-$COMMIT_HASH" >> "$MOD_BUILD_PATH/.tdescminfo"
     git log -1 --pretty=format:"DateTime: %cd%n" --date=format:"%m/%d/%Y %H:%M" >> "$MOD_BUILD_PATH/.tdescminfo"
@@ -310,7 +313,10 @@ if [ "$bool_EXTRADEP_MOD" != "y"  -a  "$bool_COPY_PKGING_FILES" = "y" ]; then
 	# Default package name
 	# Calculate package version
 	cd $MOD_GIT_PATH
-	branch=`git rev-parse --abbrev-ref HEAD | egrep -v "no branch|detached" | head -n1`
+	branch=`git symbolic-ref -q HEAD | sed "s|^refs/heads/||"`
+	if [[ -z "$branch" ]]; then
+			branch=`git branch --contains HEAD | egrep -v "no branch|detached" | head -n1 | cut -c 3-`
+	fi
 	target_tag=`git tag | grep -F "$TDE_RELEASE" | head -n1`
 	tag=`git tag | \
 		sed "s|^\([^0-9]\)|\1.|" | sort -t. -k 1,1nr -k 2,2nr -k 3,3nr -k 4,4nr -k 5,5nr | sed "s|^\([^0-9]\)\.|\1|" | \