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[PATCH 5/7] revert: do not remove state until sequence is finished

From
Jonathan Nieder <jrnieder@gmail.com>
Date
Dec 10, 2011, 13:02 UTC
Message-ID
<20111210130212.GF22035@elie.hsd1.il.comcast.net>
In-Reply-To
<20111210124644.GA22035@elie.hsd1.il.comcast.net>

As v1.7.8-rc0~141^2~4 (2011-08-04) explains, git cherry-pick removes the sequencer state just before applying the final patch. In the single-pick case, that was a good thing, since --abort and --continue work fine without access to such state and removing it provides a signal that git should not complain about the need to clobber it ("a cherry-pick or revert is already in progress") in sequences like the following:

	git cherry-pick foo
	git read-tree -m -u HEAD; # forget that; let's try a different one
	git cherry-pick bar

After the recent patch "allow single-pick in the middle of cherry-pick sequence" we don't need that hack any more. In the new regime, a traditional "git cherry-pick <commit>" command never looks at .git/sequencer, so we do not need to cripple "git cherry-pick <commit>..<commit>" for it any more.

So now you can run "git cherry-pick --abort" near the end of a multi-pick sequence and it will abort the entire sequence, instead of misbehaving and aborting just the final commit.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
---
 builtin/revert.c                |   12 +-----------
 t/t3510-cherry-pick-sequence.sh |    6 +++---
 2 files changed, 4 insertions(+), 14 deletions(-)
diff --git a/builtin/revert.c b/builtin/revert.c
index dcb69904..28deb85b 100644
--- a/builtin/revert.c
+++ b/builtin/revert.c
@@ -1018,18 +1018,8 @@ static int pick_commits(struct commit_list *todo_list, struct replay_opts *opts)
 	for (cur = todo_list; cur; cur = cur->next) {
 		save_todo(cur, opts);
 		res = do_pick_commit(cur->item, opts);
-		if (res) {
-			if (!cur->next)
-				/*
-				 * An error was encountered while
-				 * picking the last commit; the
-				 * sequencer state is useless now --
-				 * the user simply needs to resolve
-				 * the conflict and commit
-				 */
-				remove_sequencer_state(0);
+		if (res)
 			return res;
-		}
 	}
 
 	/*
diff --git a/t/t3510-cherry-pick-sequence.sh b/t/t3510-cherry-pick-sequence.sh
index 98a27a23..851b147f 100755
--- a/t/t3510-cherry-pick-sequence.sh
+++ b/t/t3510-cherry-pick-sequence.sh
@@ -203,10 +203,10 @@ test_expect_success '--abort refuses to clobber unrelated change, harder case' '
 	test_cmp_rev initial HEAD
 '
 
-test_expect_success 'cherry-pick cleans up sequencer state when one commit is left' '
+test_expect_success 'cherry-pick still writes sequencer state when one commit is left' '
 	pristine_detach initial &&
 	test_must_fail git cherry-pick base..picked &&
-	test_path_is_missing .git/sequencer &&
+	test_path_is_dir .git/sequencer &&
 	echo "resolved" >foo &&
 	git add foo &&
 	git commit &&
@@ -227,7 +227,7 @@ test_expect_success 'cherry-pick cleans up sequencer state when one commit is le
 	test_cmp expect actual
 '
 
-test_expect_failure '--abort after last commit in sequence' '
+test_expect_success '--abort after last commit in sequence' '
 	pristine_detach initial &&
 	test_must_fail git cherry-pick base..picked &&
 	git cherry-pick --abort &&
-- 
1.7.8.rc3
Previous: Jonathan NiederNext: Ramkumar Ramachandra
Message 36 of 52 in “cherry-pick/revert error messages”
  1. Jonathan NiederNov 20, 2011
  2. Ramkumar RamachandraNov 20, 2011
  3. 0/3 Re: cherry-pick/revert error messagesJonathan Nieder, Nov 20, 2011
  4. 1/3 revert: rename --reset option to --quitJonathan Nieder, Nov 20, 2011
  5. Junio C HamanoNov 21, 2011
  6. Jakub NarebskiNov 21, 2011
  7. Jonathan NiederNov 21, 2011
  8. 2/3 revert: rearrange pick_revisions() for clarityJonathan Nieder, Nov 20, 2011
  9. 3/3 revert: improve error message for cherry-pick during cherry-pickJonathan Nieder, Nov 20, 2011
  10. 0/3 Re: cherry-pick/revert error messagesJonathan Nieder, Nov 22, 2011
  11. 1/3 revert: rename --reset option to --quitJonathan Nieder, Nov 22, 2011
  12. 2/3 revert: rearrange pick_revisions() for clarityJonathan Nieder, Nov 22, 2011
  13. 3/3 revert: improve error message for cherry-pick during cherry-pickJonathan Nieder, Nov 22, 2011
  14. 4/3 revert: write REVERT_HEAD pseudoref during conflicted revertJonathan Nieder, Nov 22, 2011
  15. Thiago FarinaNov 22, 2011
  16. Ramkumar RamachandraDec 1, 2011
  17. 5/3 revert: introduce --abort to cancel a failed cherry-pickJonathan Nieder, Nov 22, 2011
  18. Junio C HamanoNov 23, 2011
  19. Jonathan NiederNov 23, 2011
  20. Fix revert --abort on WindowsJohannes Sixt, Nov 23, 2011
  21. Jonathan NiederNov 23, 2011
  22. Johannes SixtNov 23, 2011
  23. 0/7 some sequencer loose ends (Re: Fix revert --abort on Windows)Jonathan Nieder, Dec 10, 2011
  24. 1/7 revert: give --continue handling its own functionJonathan Nieder, Dec 10, 2011
  25. Ramkumar RamachandraDec 14, 2011
  26. 2/7 revert: allow cherry-pick --continue to commit before resumingJonathan Nieder, Dec 10, 2011
  27. Ramkumar RamachandraDec 14, 2011
  28. Jonathan NiederDec 14, 2011
  29. 3/7 revert: pass around rev-list args in already-parsed formJonathan Nieder, Dec 10, 2011
  30. Ramkumar RamachandraDec 14, 2011
  31. 4/7 revert: allow single-pick in the middle of cherry-pick sequenceJonathan Nieder, Dec 10, 2011
  32. Ramkumar RamachandraDec 14, 2011
  33. Jonathan NiederDec 14, 2011
  34. Ævar Arnfjörð BjarmasonApr 5, 2012
  35. Jonathan NiederApr 5, 2012
  36. 5/7 revert: do not remove state until sequence is finishedJonathan Nieder, Dec 10, 2011
  37. Ramkumar RamachandraDec 14, 2011
  38. 6/7 Revert "reset: Make reset remove the sequencer state"Jonathan Nieder, Dec 10, 2011
  39. Ramkumar RamachandraDec 14, 2011
  40. 7/7 revert: stop creating and removing sequencer-old directoryJonathan Nieder, Dec 10, 2011
  41. Ramkumar RamachandraDec 14, 2011
  42. Jonathan NiederDec 11, 2011
  43. Junio C HamanoDec 12, 2011
  44. Junio C HamanoDec 12, 2011
  45. Jonathan NiederDec 14, 2011
  46. Alex RiesenNov 23, 2011
  47. Junio C HamanoNov 30, 2011
  48. 6/3 revert: remove --reset compatibility optionJonathan Nieder, Nov 22, 2011
  49. Junio C HamanoNov 22, 2011
  50. Jonathan NiederNov 22, 2011
  51. Junio C HamanoNov 22, 2011
  52. Jonathan NiederNov 22, 2011

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