Implement git log filter

Author: silvanocerza

__tests__/git.test.ts

@@ -244,4 +244,30 @@ describe('Git commands', () => {
     expect(log[2].hash).toHaveLength(7)
     expect(log[2].message).toBe('Third commit')
   })
+
+  it('Verifies log does not contain commits matching regex', async () => {
+    const cwd = await initTestRepo()
+
+    const settings = {} as Settings
+    settings.gitPath = await io.which('git', true)
+    settings.repoPath = cwd
+    settings.filterRegex = /^\[skip\].*/
+    const g = new Git(settings)
+
+    await createAndCommitFile('first', 'First commit', cwd)
+    await createAndCommitFile('second', '[skip] Second commit', cwd)
+    await createAndCommitFile('third', 'Third commit', cwd)
+    await createAndCommitFile('fourth', 'Fourth commit', cwd)
+    await createAndCommitFile('fifth', '[skip] Fifth commit', cwd)
+    await createAndCommitFile('sixth', '[skip] Sixth commit', cwd)
+
+    const log = await g.log('', '')
+    expect(log).toHaveLength(3)
+    expect(log[0].hash).toHaveLength(7)
+    expect(log[0].message).toBe('Fourth commit')
+    expect(log[1].hash).toHaveLength(7)
+    expect(log[1].message).toBe('Third commit')
+    expect(log[2].hash).toHaveLength(7)
+    expect(log[2].message).toBe('First commit')
+  })
 })

src/git.ts

@@ -1,4 +1,3 @@
-import * as io from '@actions/io'
 import * as exec from '@actions/exec'
 import {Settings} from './settings'
 
@@ -70,6 +69,10 @@ export class Git {
       const split = commit.split(' ')
       const hash = split[0]
       const message = split.slice(1).join(' ')
+
+      if (this.settings.filterRegex && RegExp(this.settings.filterRegex).test(message)) {
+        return
+      }
       commits.push(new GitCommit(hash, message))
     })