feat: allow defer-release keyword in commit messages (#161)

* feat: allow defer-release keyword in commit messages

* fix: halt release process with exit code 0 when defer

* refactor(release): allow space or dash in tag

packages/utils/src/cmds/release.js

@@ -81,8 +81,11 @@ const handler = async ({ publish }) => {
         },
     ]
 
+    const deferPlugin = require('../support/semantic-release-defer-release')
+
     // Order matters here!
     const plugins = [
+        deferPlugin,
         '@semantic-release/commit-analyzer',
         '@semantic-release/release-notes-generator',
         updateDepsPlugin,

packages/utils/src/support/semantic-release-defer-release.js

@@ -0,0 +1,16 @@
+const SemanticReleaseError = require('@semantic-release/error')
+
+const analyzeCommits = (config = {}, context) => {
+    const { logger, commits } = context
+
+    const { message, commit } = commits[0]
+    const defer = /\[defer[ -]release\]/gi
+
+    if (message.match(defer)) {
+        logger.warn(`This release has been deferred by commit ${commit.short}`)
+        logger.complete('Halting release process...')
+        process.exit(0)
+    }
+}
+
+module.exports = { analyzeCommits }