feat(raw-commits): allow hidding by subject pattern

packages/conventional-changelog-conventionalcommits/index.js

@@ -14,6 +14,7 @@ async function createPreset (config) {
 
   return {
     gitRawCommitsOpts: {
+      ignore: config?.ignoreCommits,
       noMerges: null
     },
     parserOpts,

packages/git-raw-commits/index.js

@@ -1,4 +1,3 @@
-'use strict'
 
 const { Readable, Transform } = require('stream')
 const { execFile } = require('child_process')
@@ -28,7 +27,7 @@ async function getGitArgs (gitOpts) {
   const gitFromTo = [gitOpts.from, gitOpts.to].filter(Boolean).join('..')
   const gitArgs = ['log', gitFormat, gitFromTo]
     .concat(dargs(gitOpts, {
-      excludes: ['debug', 'from', 'to', 'format', 'path']
+      excludes: ['debug', 'from', 'to', 'format', 'path', 'ignore']
     }))
 
   // allow commits to focus on a single directory
@@ -53,6 +52,13 @@ function gitRawCommits (rawGitOpts, rawExecOpts) {
       gitOpts.debug('Your git-log command is:\ngit ' + args.join(' '))
     }
 
+    const ignoreRegex = typeof gitOpts.ignore === 'string'
+      ? new RegExp(gitOpts.ignore)
+      : gitOpts.ignore
+    const shouldNotIgnore = ignoreRegex
+      ? chunk => !ignoreRegex.test(chunk.toString())
+      : () => true
+
     const child = execFile('git', args, {
       cwd: execOpts.cwd,
       maxBuffer: Infinity
@@ -65,7 +71,9 @@ function gitRawCommits (rawGitOpts, rawExecOpts) {
           transform (chunk, enc, cb) {
             isError = false
             setImmediate(() => {
-              readable.push(chunk)
+              if (shouldNotIgnore(chunk)) {
+                readable.push(chunk)
+              }
               cb()
             })
           },

packages/git-raw-commits/test/index.spec.js

@@ -102,6 +102,28 @@ describe('git-raw-commits', () => {
     expect(i).toBe(2)
   })
 
+  it('should honour `options.ignore`', async () => {
+    let i = 0
+
+    for await (let chunk of gitRawCommits({
+      ignore: 'Second'
+    }, {
+      cwd: testTools.cwd
+    })) {
+      chunk = chunk.toString()
+
+      if (i === 0) {
+        expect(chunk).toBe('Third commit\n\n')
+      } else {
+        expect(chunk).toBe('First commit\n\n')
+      }
+
+      i++
+    }
+
+    expect(i).toBe(2)
+  })
+
   it('should honour `options.format`', async () => {
     let i = 0