build: script for tagging and pushing a release

scripts/tag_release.sh

+#/bin/bash
+
+# abort if we get any error
+set -e
+
+_tag=$1
+_branch="$(git rev-parse --abbrev-ref HEAD)"
+
+if [ "${_tag}" == "" ]; then 
+    echo "Missing version param. ex './scripts/tag_release.sh v5.1.1'"
+    exit 1
+fi
+
+if [ "${_branch}" == "master" ]; then 
+    echo "you cannot tag releases from the master branch"
+    echo "please checkout the release branch"
+    echo "ex 'git checkout v5.1.x'"
+    exit 1
+fi
+
+# always make sure to pull latest changes from origin
+echo "pulling latest changes from ${_branch}"
+git pull origin ${_branch}
+
+# create signed tag for latest commit 
+git tag -s "${_tag}" -m "release ${_tag}"
+
+# verify the signed tag
+git tag -v "${_tag}"
+
+echo "Make sure the tag is signed as expected"
+echo "press [y] to push the tags"
+
+read -n 1 confirm
+
+if [ "${confirm}" == "y" ]; then 
+    git push origin "${_branch}" --tags
+else 
+    echo "Abort! "
+fi