Add tag-patch-release.sh script

Author: Oblosys

scripts/tag-patch-release.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+# Bump patch version in package.json & examples/parent-child-demo/package.json, commit as "Release X.Y.Z",
+# and add git tag "vX.Y.Z" with message "Release X.Y.Z".
+
+set -o nounset -o errexit -o pipefail
+gitStatus=$(git status -s)
+if [[ -n $gitStatus ]]; then
+echo "ERROR: Working tree has modified/untracked files:"
+echo "${gitStatus}"
+exit 1
+fi
+
+if [[ `cat package.json` =~ .*\"version\":\ *\"([0-9]+)\.([0-9]+)\.([0-9]+)\" ]]
+then
+  vMajor=${BASH_REMATCH[1]}
+  vMinor=${BASH_REMATCH[2]}
+  vPatch=${BASH_REMATCH[3]}
+  newVersion=$vMajor.$vMinor.$(( $vPatch + 1 ))
+  echo "Bumped version from ${vMajor}.${vMinor}.${vPatch} to ${newVersion}"
+  sed -i '' -e "s/\(\"version\": *\"\).*\(\".*\)$/\1${newVersion}\2/" package.json
+  sed -i '' -e "s/\(\"react-lifecycle-visualizer\": *\"[\^~]\{0,1\}\).*\(\".*\)$/\1${newVersion}\2/" examples/parent-child-demo/package.json
+  git add package.json examples/parent-child-demo/package.json
+  git commit -m "Release ${newVersion}"
+  git tag -a "v${newVersion}" -m "Release ${newVersion}"
+else
+  echo "ERROR: No \"version\" found in package.json"
+  exit 1
+fi