ci: set up commit message conformance rules using ng-dev

Author: clydin

.circleci/config.yml

@@ -168,7 +168,12 @@ jobs:
       - custom_attach_workspace
       - run:
           name: Validate Commit Messages
-          command: yarn -s admin validate-commits
+          command: >
+            if [[ -n "${CIRCLE_PR_NUMBER}" ]]; then
+              yarn ng-dev commit-message validate-range --range <<pipeline.git.base_revision>>...<<pipeline.git.revision>>
+            else
+              echo "This build is not over a PR, nothing to do."
+            fi
       - run:
           name: Validate "do not submit" Commits
           command: yarn -s admin validate-do-not-submit

.gitignore

@@ -40,6 +40,8 @@ tmp/
 npm-debug.log*
 yarn-error.log*
 .ng_pkg_build/
+.ng-dev.log
+.ng-dev.user*
 
 # Mac OSX Finder files.
 **/.DS_Store

.ng-dev/commit-message.ts

@@ -0,0 +1,22 @@
+// tslint:disable-next-line: no-implicit-dependencies
+import { COMMIT_TYPES, CommitMessageConfig, ScopeRequirement } from '@angular/dev-infra-private/commit-message/config';
+import { packages } from '../lib/packages';
+
+/**
+ * The details for valid commit types.
+ * This is exported so that other tooling can access both the types and scopes from one location.
+ * Currently used in the contributing documentation template (scripts/templates/contributing.ejs)
+ */
+export { COMMIT_TYPES, ScopeRequirement };
+
+/**
+ * The configuration for `ng-dev commit-message` commands.
+ */
+export const commitMessage: CommitMessageConfig = {
+  maxLineLength: Infinity,
+  minBodyLength: 0,
+  minBodyLengthTypeExcludes: ['docs'],
+  scopes: [
+    ...Object.keys(packages).filter(name => !packages[name].private),
+  ],
+};

.ng-dev/config.ts

@@ -0,0 +1,2 @@
+export { commitMessage } from './commit-message';
+export { github } from './github';

.ng-dev/github.ts

@@ -0,0 +1,10 @@
+import { GithubConfig } from '@angular/dev-infra-private/utils/config';
+
+/**
+ * Github configuration for the ng-dev command. This repository is
+ * uses as remote for the merge script.
+ */
+export const github: GithubConfig = {
+  owner: 'angular',
+  name: 'angular-cli',
+};

CONTRIBUTING.md

@@ -192,16 +192,15 @@ If the commit reverts a previous commit, it should begin with `revert: `, follow
 ### Type
 Must be one of the following:
 
-* **build**: Changes that affect the build system or external dependencies. [2]
-* **ci**: Changes to our CI configuration files and scripts. [2]
-* **docs**: Documentation only changes. 
-* **feat**: A new feature. [1]
-* **fix**: A bug fix. [1]
-* **refactor**: A code change that neither fixes a bug nor adds a feature 
-* **release**: A release commit. Must only include version changes. [2]
-* **revert**: A git commit revert. The description must include the original commit message. [2]
-* **style**: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc). 
-* **test**: Adding missing tests or correcting existing tests. 
+* **build**: Changes to local repository build system and tooling 
+* **ci**: Changes to CI configuration and CI specific tooling [2]
+* **docs**: Changes which exclusively affects documentation. 
+* **feat**: Creates a new feature [1]
+* **fix**: Fixes a previously discovered failure/bug [1]
+* **perf**: Improves performance without any change in functionality or API [1]
+* **refactor**: Refactor without any change in functionality or API (includes style changes) [1]
+* **release**: A release point in the repository [2]
+* **test**: Improvements or corrections made to the project's test suite [1]
 
 
 <sup>[1] This type MUST have a scope. See the next section for more information.</sup><br/>

package.json

@@ -71,6 +71,7 @@
     "@angular/compiler": "11.0.0-next.4",
     "@angular/compiler-cli": "11.0.0-next.4",
     "@angular/core": "11.0.0-next.4",
+    "@angular/dev-infra-private": "https://github.com/angular/dev-infra-private-builds.git#0364a68f33191747a0bb7580e44a9ad6d50add10",
     "@angular/forms": "11.0.0-next.4",
     "@angular/localize": "11.0.0-next.4",
     "@angular/material": "10.2.3",
@@ -238,6 +239,8 @@
   },
   "husky": {
     "hooks": {
+      "commit-msg": "yarn -s ng-dev commit-message pre-commit-validate --file-env-variable HUSKY_GIT_PARAMS",
+      "prepare-commit-msg": "yarn -s ng-dev commit-message restore-commit-message-draft --file-env-variable HUSKY_GIT_PARAMS",
       "pre-push": "node ./bin/devkit-admin hooks/pre-push"
     }
   }

scripts/templates/contributing.ejs

@@ -193,13 +193,13 @@ If the commit reverts a previous commit, it should begin with `revert: `, follow
 Must be one of the following:
 
 <%
-const { types, Scope } = require('../validate-commits');
-for (const typeName of Object.keys(types).sort()) {
-  const type = types[typeName];
+const { COMMIT_TYPES, ScopeRequirement } = require('../../.ng-dev/commit-message');
+for (const typeName of Object.keys(COMMIT_TYPES).sort()) {
+  const type = COMMIT_TYPES[typeName];
 %>* **<%= typeName %>**: <%= type.description %> <%
-  if (type.scope == Scope.MustHave) {
+  if (type.scope == ScopeRequirement.Required) {
     %>[1]<%
-  } else if (type.scope == Scope.MustNotHave) {
+  } else if (type.scope == ScopeRequirement.Forbidden) {
     %>[2]<%
   }
 %>
@@ -214,8 +214,9 @@ The scope should be the name of the npm package affected as perceived by the per
 The following is the list of supported scopes:
 
 <%
-for (const packageName of Object.keys(packages).filter(x => !packages[x].private)) {
-%>* **<%= packageName %>**
+const { commitMessage } = require('../../.ng-dev/commit-message');
+for (const scope of commitMessage.scopes) {
+%>* **<%= scope %>**
 <% } %>
 
 ### Subject

tsconfig.json

@@ -63,6 +63,7 @@
     "tests/**/*",
     "tools/**/*",
     "benchmark/**/*",
-    "integration/**/*"
+    "integration/**/*",
+    ".ng-dev/**/*"
   ]
 }