create_documentation: Correctly parse branch name

create_documentation

@@ -28,9 +28,17 @@
 pushd $project_home
 
 for doc_dir in doc docs; do
+    if [ -e ".git" ]; then
+	branch="$(git rev-parse --abbrev-ref HEAD)"
+    elif [ -e ".hg" ]; then
+	branch="$(hg id -b)"
+    else
+	echo "${RED}WARN${RESET} - Branch name not found"
+	branch="unknown"
+    fi
     if [[ -d "$doc_dir" ]] ; then
 	pushd $doc_dir
 	for language in "en" ; do
 	    make -e SPHINXOPTS=-Dlanguage=${language} $format
 	    # TODO read value from Makefile
 	    builddir=_build
@@ -31,19 +39,9 @@
     if [[ -d "$doc_dir" ]] ; then
 	pushd $doc_dir
 	for language in "en" ; do
 	    make -e SPHINXOPTS=-Dlanguage=${language} $format
 	    # TODO read value from Makefile
 	    builddir=_build
-	    if [ -e ".git" ]; then
-		branch="$(git rev-parse --abbrev-ref HEAD)"
-	    elif [ -e ".hg" ]; then
-		branch="$(hg id -b)"
-	    fi
-	    if [[ -z $branch ]]; then
-		echo "${RED}ERROR${RESET} - empty branch name"
-		ls
-		branch="none"
-	    fi
 	    dest_dir=$out_dir/$project_name/$language/$branch
 	    if [[ $? -eq 0 ]] ; then
 		echo "${YELLOW}INFO ${RESET} - Documentation generation done for $doc_dir (superproject), copy to $dest_dir"