feat: lightweight tags is added as option

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

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',

defaults.js

@@ -4,6 +4,7 @@ const defaults = {
   infile: 'CHANGELOG.md',
   firstRelease: false,
   sign: false,
+  lightweightTag: false,
   noVerify: false,
   commitAll: false,
   silent: false,

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']) {