feat: add the prepare plugin hook

BREAKING CHANGE: Committing or creating files in the `publish` plugin hook is not supported anymore and now must be done in the `prepare` hook

Plugins with a `publish` hook that makes a commit or create a file that can be committed must use the `prepare` hook.

Author: pvdlg

README.md

@@ -86,6 +86,7 @@ After running the tests the command `semantic-release` will execute the followin
 | Verify release    | Verify the release conformity with the [verify release plugins](docs/usage/plugins.md#verifyrelease-plugin).                                                          |
 | Generate notes    | Generate release notes with the [generate notes plugin](docs/usage/plugins.md#generatenotes-plugin) for the commits added since the last release.                     |
 | Create Git tag    | Create a Git tag corresponding the new release version                                                                                                                |
+| Prepare           | Prepare the release with the [prepare plugins](docs/usage/plugins.md#prepare-plugin).                                                                                 |
 | Publish           | Publish the release with the [publish plugins](docs/usage/plugins.md#publish-plugin).                                                                                 |
 | Notify            | Notify of new releases or errors with the [success](docs/usage/plugins.md#success-plugin) and [fail](docs/usage/plugins.md#fail-plugin) plugins.                      |
 

cli.js

@@ -25,6 +25,7 @@ Usage:
     .option('analyze-commits', {type: 'string', group: 'Plugins'})
     .option('verify-release', {...stringList, group: 'Plugins'})
     .option('generate-notes', {type: 'string', group: 'Plugins'})
+    .option('prepare', {...stringList, group: 'Plugins'})
     .option('publish', {...stringList, group: 'Plugins'})
     .option('success', {...stringList, group: 'Plugins'})
     .option('fail', {...stringList, group: 'Plugins'})

docs/extending/plugins-list.md

@@ -9,6 +9,7 @@
   - [fail](https://github.com/semantic-release/github#fail): Open a GitHub issue when a release fails
 - [@semantic-release/npm](https://github.com/semantic-release/npm)
   - [verifyConditions](https://github.com/semantic-release/npm#verifyconditions): Verify the presence and the validity of the npm authentication and release configuration
+  - [prepare](https://github.com/semantic-release/npm#prepare): Update the package.json version and create the npm package tarball
   - [publish](https://github.com/semantic-release/npm#publish): Publish the package on the npm registry
 
 ## Official plugins
@@ -18,15 +19,16 @@
   - [publish](https://github.com/semantic-release/gitlab#publish): Publish a [GitLab release](https://docs.gitlab.com/ce/workflow/releases.html)
 - [@semantic-release/git](https://github.com/semantic-release/git)
   - [verifyConditions](https://github.com/semantic-release/git#verifyconditions): Verify the presence and the validity of the Git authentication and release configuration
-  - [publish](https://github.com/semantic-release/git#publish): Push a release commit and tag, including configurable files
+  - [prepare](https://github.com/semantic-release/git#prepare): Push a release commit and tag, including configurable files
 - [@semantic-release/changelog](https://github.com/semantic-release/changelog)
   - [verifyConditions](https://github.com/semantic-release/changelog#verifyconditions): Verify the presence and the validity of the configuration
-  - [publish](https://github.com/semantic-release/changelog#publish): Create or update the changelog file in the local project repository
+  - [prepare](https://github.com/semantic-release/changelog#prepare): Create or update the changelog file in the local project repository
 - [@semantic-release/exec](https://github.com/semantic-release/exec)
   - [verifyConditions](https://github.com/semantic-release/exec#verifyconditions): Execute a shell command to verify if the release should happen
   - [analyzeCommits](https://github.com/semantic-release/exec#analyzecommits): Execute a shell command to determine the type of release
   - [verifyRelease](https://github.com/semantic-release/exec#verifyrelease): Execute a shell command to verifying a release that was determined before and is about to be published.
   - [generateNotes](https://github.com/semantic-release/exec#analyzecommits): Execute a shell command to generate the release note
+  - [prepare](https://github.com/semantic-release/exec#prepare): Execute a shell command to prepare the release
   - [publish](https://github.com/semantic-release/exec#publish): Execute a shell command to publish the release
   - [success](https://github.com/semantic-release/exec#success): Execute a shell command to notify of a new release
   - [fail](https://github.com/semantic-release/exec#fail): Execute a shell command to notify of a failed release

docs/usage/configuration.md

@@ -155,6 +155,18 @@ Define the [generate notes plugin](plugins.md#generatenotes-plugin).
 
 See [Plugins configuration](plugins.md#configuration) for more details.
 
+### prepare
+
+Type: `Array`, `String`, `Object`
+
+Default: `['@semantic-release/npm']`
+
+CLI argument: `--prepare`
+
+Define the list of [prepare plugins](plugins.md#prepare-plugin). Plugins will run in series, in the order defined in the `Array`.
+
+See [Plugins configuration](plugins.md#configuration) for more details.
+
 ### publish
 
 Type: `Array`, `String`, `Object`

docs/usage/plugins.md

@@ -28,6 +28,14 @@ Plugin responsible for generating release notes.
 
 Default implementation: [@semantic-release/release-notes-generator](https://github.com/semantic-release/release-notes-generator).
 
+### prepare plugin
+
+Plugin responsible for preparing the release, including:
+- Creating or updating files such as `package.json`, `CHANGELOG.md`, documentation or compiled assets.
+- Create and push commits
+
+Default implementation: [npm](https://github.com/semantic-release/npm#prepare).
+
 ### publish plugin
 
 Plugin responsible for publishing the release.

index.js

@@ -12,7 +12,7 @@ const getCommits = require('./lib/get-commits');
 const getLastRelease = require('./lib/get-last-release');
 const {extractErrors} = require('./lib/utils');
 const logger = require('./lib/logger');
-const {unshallow, gitHead: getGitHead, tag, push, deleteTag} = require('./lib/git');
+const {unshallow, gitHead: getGitHead, tag, push} = require('./lib/git');
 
 marked.setOptions({renderer: new TerminalRenderer()});
 
@@ -41,7 +41,7 @@ async function run(options, plugins) {
   await verify(options);
 
   logger.log('Run automated release from branch %s', options.branch);
-
+  console.log(options);
   logger.log('Call plugin %s', 'verify-conditions');
   await plugins.verifyConditions({options, logger}, {settleAll: true});
 
@@ -79,26 +79,14 @@ async function run(options, plugins) {
     logger.log('Call plugin %s', 'generateNotes');
     nextRelease.notes = await plugins.generateNotes(generateNotesParam);
 
-    // Create the tag before calling the publish plugins as some require the tag to exists
-    logger.log('Create tag %s', nextRelease.gitTag);
-    await tag(nextRelease.gitTag);
-    await push(options.repositoryUrl, branch);
-
-    logger.log('Call plugin %s', 'publish');
-    const releases = await plugins.publish(
+    logger.log('Call plugin %s', 'prepare');
+    await plugins.prepare(
       {options, logger, lastRelease, commits, nextRelease},
       {
         getNextInput: async lastResult => {
           const newGitHead = await getGitHead();
-          // If previous publish plugin has created a commit (gitHead changed)
+          // If previous prepare plugin has created a commit (gitHead changed)
           if (lastResult.nextRelease.gitHead !== newGitHead) {
-            // Delete the previously created tag
-            await deleteTag(options.repositoryUrl, nextRelease.gitTag);
-            // Recreate the tag, referencing the new gitHead
-            logger.log('Create tag %s', nextRelease.gitTag);
-            await tag(nextRelease.gitTag);
-            await push(options.repositoryUrl, branch);
-
             nextRelease.gitHead = newGitHead;
             // Regenerate the release notes
             logger.log('Call plugin %s', 'generateNotes');
@@ -107,11 +95,21 @@ async function run(options, plugins) {
           // Call the next publish plugin with the updated `nextRelease`
           return {options, logger, lastRelease, commits, nextRelease};
         },
-        // Add nextRelease and plugin properties to published release
-        transform: (release, step) => ({...(isPlainObject(release) ? release : {}), ...nextRelease, ...step}),
       }
     );
 
+    // Create the tag before calling the publish plugins as some require the tag to exists
+    logger.log('Create tag %s', nextRelease.gitTag);
+    await tag(nextRelease.gitTag);
+    await push(options.repositoryUrl, branch);
+
+    logger.log('Call plugin %s', 'publish');
+    const releases = await plugins.publish(
+      {options, logger, lastRelease, commits, nextRelease},
+      // Add nextRelease and plugin properties to published release
+      {transform: (release, step) => ({...(isPlainObject(release) ? release : {}), ...nextRelease, ...step})}
+    );
+
     await plugins.success(
       {options, logger, lastRelease, commits, nextRelease, releases: castArray(releases)},
       {settleAll: true}

lib/definitions/plugins.js

@@ -36,6 +36,12 @@ module.exports = {
       error: 'ERELEASENOTESOUTPUT',
     },
   },
+  prepare: {
+    default: ['@semantic-release/npm'],
+    config: {
+      validator: conf => !conf || (isArray(conf) ? conf : [conf]).every(conf => validatePluginConfig(conf)),
+    },
+  },
   publish: {
     default: ['@semantic-release/npm', '@semantic-release/github'],
     config: {

lib/git.js

@@ -115,22 +115,6 @@ async function push(origin, branch) {
   await execa('git', ['push', '--tags', origin, `HEAD:${branch}`]);
 }
 
-/**
- * Delete a tag locally and remotely.
- *
- * @param {String} origin The remote repository URL.
- * @param {String} tagName The tag name to delete.
- */
-async function deleteTag(origin, tagName) {
-  // Delete the local tag
-  let shell = await execa('git', ['tag', '-d', tagName], {reject: false});
-  debug('delete local tag', shell);
-
-  // Delete the tag remotely
-  shell = await execa('git', ['push', '--delete', origin, tagName], {reject: false});
-  debug('delete remote tag', shell);
-}
-
 /**
  * Verify a tag name is a valid Git reference.
  *
@@ -157,6 +141,5 @@ module.exports = {
   verifyAuth,
   tag,
   push,
-  deleteTag,
   verifyTagName,
 };

package.json

@@ -22,7 +22,7 @@
     "@semantic-release/commit-analyzer": "^5.0.0",
     "@semantic-release/error": "^2.2.0",
     "@semantic-release/github": "^4.1.0",
-    "@semantic-release/npm": "^3.1.0",
+    "@semantic-release/npm": "^3.2.0",
     "@semantic-release/release-notes-generator": "^6.0.0",
     "aggregate-error": "^1.0.0",
     "chalk": "^2.3.0",

test/cli.test.js

@@ -53,6 +53,9 @@ test.serial('Pass options to semantic-release API', async t => {
     'verify2',
     '--generate-notes',
     'notes',
+    '--prepare',
+    'prepare1',
+    'prepare2',
     '--publish',
     'publish1',
     'publish2',
@@ -76,6 +79,7 @@ test.serial('Pass options to semantic-release API', async t => {
   t.is(run.args[0][0].analyzeCommits, 'analyze');
   t.deepEqual(run.args[0][0].verifyRelease, ['verify1', 'verify2']);
   t.is(run.args[0][0].generateNotes, 'notes');
+  t.deepEqual(run.args[0][0].prepare, ['prepare1', 'prepare2']);
   t.deepEqual(run.args[0][0].publish, ['publish1', 'publish2']);
   t.deepEqual(run.args[0][0].success, ['success1', 'success2']);
   t.deepEqual(run.args[0][0].fail, ['fail1', 'fail2']);

test/definitions/plugins.test.js

@@ -46,6 +46,17 @@ test('The "generateNotes" plugin, if defined, must be a single plugin definition
   t.true(plugins.generateNotes.config.validator(() => {}));
 });
 
+test('The "prepare" plugin, if defined, must be a single or an array of plugins definition', t => {
+  t.false(plugins.verifyRelease.config.validator({}));
+  t.false(plugins.verifyRelease.config.validator({path: null}));
+
+  t.true(plugins.verifyRelease.config.validator({path: 'plugin-path.js'}));
+  t.true(plugins.verifyRelease.config.validator());
+  t.true(plugins.verifyRelease.config.validator('plugin-path.js'));
+  t.true(plugins.verifyRelease.config.validator(() => {}));
+  t.true(plugins.verifyRelease.config.validator([{path: 'plugin-path.js'}, 'plugin-path.js', () => {}]));
+});
+
 test('The "publish" plugin is mandatory, and must be a single or an array of plugins definition', t => {
   t.false(plugins.publish.config.validator({}));
   t.false(plugins.publish.config.validator({path: null}));

test/git.test.js

@@ -10,7 +10,6 @@ import {
   push,
   gitTags,
   isGitRepo,
-  deleteTag,
   verifyTagName,
 } from '../lib/git';
 import {
@@ -139,18 +138,6 @@ test.serial('Add tag on head commit', async t => {
   await t.is(await gitCommitTag(commits[0].hash), 'tag_name');
 });
 
-test.serial('Delete a tag', async t => {
-  // Create a git repository with a remote, set the current working directory at the root of the repo
-  const repo = await gitRepo(true);
-  await gitCommits(['Test commit']);
-  await tag('tag_name');
-  await push(repo, 'master');
-
-  await deleteTag(repo, 'tag_name');
-  t.falsy(await gitTagHead('tag_name'));
-  t.falsy(await gitRemoteTagHead(repo, 'tag_name'));
-});
-
 test.serial('Push tag and commit to remote repository', async t => {
   // Create a git repository with a remote, set the current working directory at the root of the repo
   const repo = await gitRepo(true);