On Fri, Mar 13, 2020 at 10:12 AM SZEDER Gábor [off-list ref] wrote:

On Thu, Feb 27, 2020 at 12:14:23AM +0000, Elijah Newren via GitGitGadget wrote:

quoted

diff --git a/t/t6022-merge-rename.sh b/t/t6022-merge-rename.sh
index 6f196aaf276..d97cf48495b 100755
--- a/t/t6022-merge-rename.sh
+++ b/t/t6022-merge-rename.sh

@@ -242,12 +242,23 @@ test_expect_success 'merge of identical changes in a renamed file' '
      rm -f A M N &&
      git reset --hard &&
      git checkout change+rename &&
+
+     test-tool chmtime =31337 B &&
+     test-tool chmtime --get B >old-mtime &&

Here you compare the mtime of 'B' before ...

quoted

      GIT_MERGE_VERBOSITY=3 git merge change >out &&
-     test_i18ngrep "^Skipped B" out &&
+
+     test-tool chmtime --get B >new-mtime &&
+     test_cmp old-mtime new-mtime &&

... and after the merge.

quoted

+
      git reset --hard HEAD^ &&
      git checkout change &&
+
+     test-tool chmtime =-1 M &&
+     test-tool chmtime --get M >old-mtime &&

Here, however, you compare the mtime of 'M' before the merge ...

quoted

      GIT_MERGE_VERBOSITY=3 git merge change+rename >out &&
-     test_i18ngrep ! "^Skipped B" out
+
+     test-tool chmtime --get B >new-mtime &&
+     test $(cat old-mtime) -lt $(cat new-mtime)

... with the mtime of 'B' after the merge, i.e. the mtimes of two
different files.

Is that right?

No, sounds like a copy-and-paste-and-forget-to-update bug.  Thanks for
spotting it.  Since you found it, do you want to submit a patch with
the fix?