feat(commitlint): add additional git log args

Author: morriswinkler

@commitlint/cli/src/cli.test.ts

@@ -506,6 +506,8 @@ test('should print help', async () => {
 		  -H, --help-url       help url in error message                        [string]
 		  -f, --from           lower end of the commit range to lint; applies if
 		                       edit=false                                       [string]
+		      --git-log-args   addditional git log arguments as space separated string,
+		                       example \'--first-parent --cherry-pick\'           [string]
 		  -o, --format         output format of the results                     [string]
 		  -p, --parser-preset  configuration preset to use for
 		                       conventional-commits-parser                      [string]

@commitlint/cli/src/cli.ts

@@ -77,6 +77,11 @@ const cli = yargs
 				'lower end of the commit range to lint; applies if edit=false',
 			type: 'string',
 		},
+		'git-log-args': {
+			description:
+				"addditional git log arguments as space separated string, example '--first-parent --cherry-pick'",
+			type: 'string',
+		},
 		format: {
 			alias: 'o',
 			description: 'output format of the results',
@@ -182,6 +187,7 @@ async function main(args: MainArgs) {
 				from: flags.from,
 				edit: flags.edit,
 				cwd: flags.cwd,
+				gitLogArgs: flags['git-log-args'],
 		  }));
 
 	const messages = (Array.isArray(input) ? input : [input])

@commitlint/cli/src/types.ts

@@ -8,6 +8,7 @@ export interface CliFlags {
 	help?: boolean;
 	'help-url'?: string;
 	from?: string;
+	'git-log-args'?: string;
 	format?: string;
 	'parser-preset'?: string;
 	quiet: boolean;

@commitlint/read/package.json

@@ -39,13 +39,15 @@
     "@commitlint/utils": "^17.0.0",
     "@types/fs-extra": "^9.0.1",
     "@types/git-raw-commits": "^2.0.0",
+    "@types/minimist": "^1.2.2",
     "execa": "^5.0.0"
   },
   "dependencies": {
     "@commitlint/top-level": "^17.0.0",
     "@commitlint/types": "^17.0.0",
     "fs-extra": "^10.0.0",
-    "git-raw-commits": "^2.0.0"
+    "git-raw-commits": "^2.0.0",
+    "minimist": "^1.2.6"
   },
   "gitHead": "70f7f4688b51774e7ac5e40e896cdaa3f132b2bc"
 }

@commitlint/read/src/get-history-commits.ts

@@ -3,7 +3,7 @@ import {streamToPromise} from './stream-to-promise';
 
 // Get commit messages from history
 export async function getHistoryCommits(
-	options: {from?: string; to?: string},
+	options: gitRawCommits.GitOptions,
 	opts: {cwd?: string} = {}
 ): Promise<string[]> {
 	return streamToPromise(gitRawCommits(options, {cwd: opts.cwd}));

@commitlint/read/src/read.test.ts

@@ -51,3 +51,23 @@ test('get edit commit message from git subdirectory', async () => {
 	const actual = await read({edit: true, cwd});
 	expect(actual).toEqual(expected);
 });
+
+test('get edit commit message while skipping first commit', async () => {
+	const cwd: string = await git.bootstrap();
+	await fs.mkdir(path.join(cwd, 'beta'));
+	await fs.writeFile(path.join(cwd, 'beta/beta.txt'), 'beta');
+
+	await fs.writeFile(path.join(cwd, 'alpha.txt'), 'alpha');
+	await execa('git', ['add', 'alpha.txt'], {cwd});
+	await execa('git', ['commit', '-m', 'alpha'], {cwd});
+	await fs.writeFile(path.join(cwd, 'beta.txt'), 'beta');
+	await execa('git', ['add', 'beta.txt'], {cwd});
+	await execa('git', ['commit', '-m', 'beta'], {cwd});
+	await fs.writeFile(path.join(cwd, 'gamma.txt'), 'gamma');
+	await execa('git', ['add', 'gamma.txt'], {cwd});
+	await execa('git', ['commit', '-m', 'gamma'], {cwd});
+
+	const expected = ['beta\n\n'];
+	const actual = await read({from: 'HEAD~2', cwd, gitLogArgs: '--skip 1'});
+	expect(actual).toEqual(expected);
+});

@commitlint/read/src/read.ts

@@ -1,3 +1,5 @@
+import minimist from 'minimist';
+import type {GitOptions} from 'git-raw-commits';
 import {getHistoryCommits} from './get-history-commits';
 import {getEditCommit} from './get-edit-commit';
 
@@ -6,17 +8,27 @@ interface GetCommitMessageOptions {
 	from?: string;
 	to?: string;
 	edit?: boolean | string;
+	gitLogArgs?: string;
 }
 
 // Get commit messages
 export default async function getCommitMessages(
 	settings: GetCommitMessageOptions
 ): Promise<string[]> {
-	const {cwd, from, to, edit} = settings;
+	const {cwd, from, to, edit, gitLogArgs} = settings;
 
 	if (edit) {
 		return getEditCommit(cwd, edit);
 	}
 
-	return getHistoryCommits({from, to}, {cwd});
+	let gitOptions: GitOptions = {from, to};
+	if (gitLogArgs) {
+		gitOptions = {
+			...minimist(gitLogArgs.split(' ')),
+			from,
+			to,
+		};
+	}
+
+	return getHistoryCommits(gitOptions, {cwd});
 }

yarn.lock

@@ -2265,7 +2265,7 @@
   resolved "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.5.tgz#1001cc5e6a3704b83c236027e77f2f58ea010f40"
   integrity sha512-Klz949h02Gz2uZCMGwDUSDS1YBlTdDDgbWHi+81l29tQALUtvz4rAYi5uoVhE5Lagoq6DeqAUlbrHvW/mXDgdQ==
 
-"@types/minimist@^1.2.0":
+"@types/minimist@^1.2.0", "@types/minimist@^1.2.2":
   version "1.2.2"
   resolved "https://registry.npmjs.org/@types/minimist/-/minimist-1.2.2.tgz#ee771e2ba4b3dc5b372935d549fd9617bf345b8c"
   integrity sha512-jhuKLIRrhvCPLqwPcx6INqmKeiA5EWrsCOPhrlFSrbrmU4ZMPjj5Ul/oLCMDO98XRUIwVm78xICz4EPCektzeQ==