From e33a24c6aa74856cdfdcf7c974eec13cf8059c16 Mon Sep 17 00:00:00 2001
From: Tumay Ceber <tumay.x.ceber@gsk.com>
Date: Tue, 7 Sep 2021 16:35:10 +0300
Subject: [PATCH] feat: lightweight tags is added as option

---
 README.md             |  7 +++++++
 command.js            |  5 +++++
 defaults.js           |  1 +
 lib/lifecycles/tag.js | 16 ++++++++++------
 4 files changed, 23 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index f924f6073..b5120abdf 100644
--- a/README.md
+++ b/README.md
@@ -209,6 +209,13 @@ standard-version --no-verify
 
 If you have your GPG key set up, add the `--sign` or `-s` flag to your `standard-version` command.
 
+### Using Lightweight Tags
+
+This is basically the commit checksum stored in a file -- no other information is kept.
+It's useful for tagging beta, alpha etc. versions without increasing your git repository size.
+Add the `--lightweight-tag` to your `standard-version` command.
+See [lightweight tags](https://git-scm.com/book/en/v2/Git-Basics-Tagging#_lightweight_tags) for more information.
+
 ### Lifecycle Scripts
 
 `standard-version` supports lifecycle scripts. These allow you to execute your
diff --git a/command.js b/command.js
index d65d5ea06..0f468d9cc 100755
--- a/command.js
+++ b/command.js
@@ -45,6 +45,11 @@ const yargs = require('yargs')
     type: 'boolean',
     default: defaults.sign
   })
+  .option('lightweight-tag', {
+    describe: 'Should the git tag be lightweight? \nThis is basically the commit checksum stored in a file, no other information is kept.',
+    type: 'boolean',
+    default: defaults.lightweightTag
+  })
   .option('no-verify', {
     alias: 'n',
     describe: 'Bypass pre-commit or commit-msg git hooks during the commit phase',
diff --git a/defaults.js b/defaults.js
index 614c453e4..34db9e9d0 100644
--- a/defaults.js
+++ b/defaults.js
@@ -4,6 +4,7 @@ const defaults = {
   infile: 'CHANGELOG.md',
   firstRelease: false,
   sign: false,
+  lightweightTag: false,
   noVerify: false,
   commitAll: false,
   silent: false,
diff --git a/lib/lifecycles/tag.js b/lib/lifecycles/tag.js
index ec1b88e53..a8b146349 100644
--- a/lib/lifecycles/tag.js
+++ b/lib/lifecycles/tag.js
@@ -14,14 +14,18 @@ module.exports = async function (newVersion, pkgPrivate, args) {
 }
 
 async function execTag (newVersion, pkgPrivate, args) {
-  let tagOption
-  if (args.sign) {
-    tagOption = '-s'
+  checkpoint(args, 'tagging release %s%s', [args.tagPrefix, newVersion])
+  if (args.lightweightTag) {
+    await runExecFile(args, 'git', ['tag', args.tagPrefix + newVersion])
   } else {
-    tagOption = '-a'
+    let tagOption
+    if (args.sign) {
+      tagOption = '-s'
+    } else {
+      tagOption = '-a'
+    }
+    await runExecFile(args, 'git', ['tag', tagOption, args.tagPrefix + newVersion, '-m', `${formatCommitMessage(args.releaseCommitMessageFormat, newVersion)}`])
   }
-  checkpoint(args, 'tagging release %s%s', [args.tagPrefix, newVersion])
-  await runExecFile(args, 'git', ['tag', tagOption, args.tagPrefix + newVersion, '-m', `${formatCommitMessage(args.releaseCommitMessageFormat, newVersion)}`])
   const currentBranch = await runExecFile('', 'git', ['rev-parse', '--abbrev-ref', 'HEAD'])
   let message = 'git push --follow-tags origin ' + currentBranch.trim()
   if (pkgPrivate !== true && bump.getUpdatedConfigs()['package.json']) {