v6

__test__/input-helper.test.ts

@@ -143,6 +143,16 @@ describe('input-helper tests', () => {
     expect(settings.commit).toBe('1111111111222222222233333333334444444444')
   })
 
+  it('sets ref to empty when explicit sha-256', async () => {
+    inputs.ref =
+      '1111111111222222222233333333334444444444555555555566666666667777'
+    const settings: IGitSourceSettings = await inputHelper.getInputs()
+    expect(settings.ref).toBeFalsy()
+    expect(settings.commit).toBe(
+      '1111111111222222222233333333334444444444555555555566666666667777'
+    )
+  })
+
   it('sets sha to empty when explicit ref', async () => {
     inputs.ref = 'refs/heads/some-other-ref'
     const settings: IGitSourceSettings = await inputHelper.getInputs()
@@ -160,6 +170,16 @@ describe('input-helper tests', () => {
     expect(settings.ref).toBe('522d932fae5296da51fdf431934425ecf891c6a2')
   })
 
+  it('does not reclassify a sha-256 ref as sha when a BOM is prefixed', async () => {
+    inputs.ref =
+      '\uFEFF1111111111222222222233333333334444444444555555555566666666667777'
+    const settings: IGitSourceSettings = await inputHelper.getInputs()
+    expect(settings.commit).toBeFalsy()
+    expect(settings.ref).toBe(
+      '1111111111222222222233333333334444444444555555555566666666667777'
+    )
+  })
+
   it('treats a sha surrounded by ascii whitespace as a commit', async () => {
     // ASCII whitespace can only come from the workflow author's YAML (git ref
     // names cannot contain it), so trimming it and treating the value as a