fix: semver_git_tag on current branch

tools/semver_git_tag

@@ -54,11 +54,12 @@ if [[ ! $changed -eq 0 ]]; then
 	exit 3
 fi
 
+current_branch=$(git rev-parse --abbrev-ref HEAD)
 # check if push needed before tagging
 push_needed=$(git rev-list --branches --not --remotes | wc -l)
 if [[ $push_needed -ne 0 ]]; then
 	echo 'git push needed'
-	git push --set-upstream origin master
+	git push --set-upstream origin "$current_branch"
 	echo 'git push done'
 	echo '-------------'
 fi
@@ -86,7 +87,7 @@ if [[ $VERSION != '0.0.0' ]]; then
 	COMMIT_ID=$(git log --format="%H" -n 1)
 	if [[ $COMMIT_ID == $LAST_TAG ]]; then
 		echo "cannot tag twice the same commit id : $LAST_TAG"
-		exit -1
+		exit 1
 	fi
 fi
 
@@ -145,5 +146,5 @@ git add ${GIT_ROOT_FOLDER}/.semver_git_tag
 echo "tagging as $TAG ..."
 git commit -am "tagged as ${TAG}"
 git tag $TAG
-git push origin master --tags
-echo done
+git push origin "$current_branch" --tags
+echo "done"