hooks: alint: pass commit to alint fixup cmd

`alint fix` is not currently supported for non-HEAD
commits. Passing the commit to alint fix in combination
with cl/892353691 will make that more clear to users.

Bug: 498149194
Change-Id: I2af67023686ac2a07fc3fe7ab51d8cddfc434e9d
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repohooks/+/567561
Reviewed-by: Alibek Manabayev <minmax@google.com>
Reviewed-by: Lauren Minchin <lminchin@google.com>
Tested-by: Marty Heavey <mheavey@google.com>
Reviewed-by: Mike Frysinger <vapier@google.com>
Commit-Queue: Marty Heavey <mheavey@google.com>

rh/hooks.py

diff --git a/rh/hooks.py b/rh/hooks.py
index b41c3ca..faea03d 100644
--- a/rh/hooks.py
+++ b/rh/hooks.py
@@ -1304,7 +1304,7 @@
 
     # alint returns exit code 5 or 6 if there are findings with fixes available.
     fixup_cmd = (
-        [alint_path, "fix", "--no_amend"]
+        [alint_path, "fix", "--no_amend", "--commit", commit]
         if result.returncode in (5, 6)
         else None
     )

rh/hooks_unittest.py

diff --git a/rh/hooks_unittest.py b/rh/hooks_unittest.py
index bbc8f95..0ab5c4e 100755
--- a/rh/hooks_unittest.py
+++ b/rh/hooks_unittest.py
@@ -1204,7 +1204,9 @@
             self.project, commit, "desc", diff, options=self.options
         )
         self.assertIsNotNone(ret)
-        self.assertEqual(ret[0].fixup_cmd, ["alint", "fix", "--no_amend"])
+        self.assertEqual(
+            ret[0].fixup_cmd, ["alint", "fix", "--no_amend", "--commit", commit]
+        )
         self.assertFalse(ret[0].is_warning())
         self.assertEqual(ret[0].result.returncode, 5)
 
@@ -1214,7 +1216,9 @@
             self.project, commit, "desc", diff, options=self.options
         )
         self.assertIsNotNone(ret)
-        self.assertEqual(ret[0].fixup_cmd, ["alint", "fix", "--no_amend"])
+        self.assertEqual(
+            ret[0].fixup_cmd, ["alint", "fix", "--no_amend", "--commit", commit]
+        )
         self.assertFalse(ret[0].is_warning())
         self.assertEqual(ret[0].result.returncode, 6)