add scripts

Author: pphelan007

Diff for: scripts/tag_semver.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+set -e
+
+MAJOR_VERSION=$1
+MINOR_VERSION=$2
+TAG_PREFIX=$3
+
+# find the latest tag
+NEW_VERSION="${TAG_PREFIX}v${MAJOR_VERSION}.${MINOR_VERSION}.0"
+git fetch -q --tags --prune --prune-tags
+tags=$(git tag -l ${TAG_PREFIX}v${MAJOR_VERSION}.${MINOR_VERSION}.* --sort=-version:refname)
+if [[ ! -z "$tags" ]]; then
+  arr=(${tags})
+  for val in ${arr[@]}; do
+    if [[ "$val" =~ ^${TAG_PREFIX}v${MAJOR_VERSION}+\.${MINOR_VERSION}\.[0-9]+$ ]]; then
+      prev_build=$(echo ${val} | cut -d. -f3)
+      new_build=$((prev_build+1))
+      NEW_VERSION="${TAG_PREFIX}v${MAJOR_VERSION}.${MINOR_VERSION}.${new_build}"
+      break
+    fi
+  done
+fi
+
+echo "Version for this commit: ${NEW_VERSION}"
+echo "RELEASE_VERSION=${NEW_VERSION}" >> variables.env