From: Johannes Schindelin <Johannes.Schindelin@gmx.de>
To: Elijah Newren <newren@gmail.com>
Cc: Git Mailing List <git@vger.kernel.org>,
Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH 03/19] Ensure index matches head before invoking merge machinery, round N
Date: Fri, 26 Jul 2019 13:23:33 +0200 (CEST) [thread overview]
Message-ID: <nycvar.QRO.7.76.6.1907261323000.21907@tvgsbejvaqbjf.bet> (raw)
In-Reply-To: <CABPp-BHahUojy1+cBrOTCvg-w3n-xJp3yE3Br6v8jMwnMzQwCQ@mail.gmail.com>
Hi Elijah,
On Thu, 25 Jul 2019, Elijah Newren wrote:
> On Thu, Jul 25, 2019 at 12:41 PM Johannes Schindelin
> <Johannes.Schindelin@gmx.de> wrote:
> >
> > On Thu, 25 Jul 2019, Elijah Newren wrote:
> >
> > > diff --git a/builtin/merge-recursive.c b/builtin/merge-recursive.c
> > > index 5b910e351e..a4bfd8fc51 100644
> > > --- a/builtin/merge-recursive.c
> > > +++ b/builtin/merge-recursive.c
> > > @@ -1,3 +1,4 @@
> > > +#include "cache.h"
> > > #include "builtin.h"
> > > #include "commit.h"
> > > #include "tag.h"
> > > @@ -63,6 +64,9 @@ int cmd_merge_recursive(int argc, const char **argv, const char *prefix)
> > > if (argc - i != 3) /* "--" "<head>" "<remote>" */
> > > die(_("not handling anything other than two heads merge."));
> > >
> > > + if (repo_read_index_unmerged(the_repository))
> > > + die_resolve_conflict("merge");
> >
> > For a moment I was unsure whether `_unmerged()` is the right thing to do
> > here, as it specifically allows to read the index even when there are
> > conflict stages. But I guess it does not matter too much here. I
> > probably would have opted for `repo_read_index()` instead, though.
>
> The names repo_read_index() and repo_read_index_unmerged() actually
> seem slightly misleading to me; they seem to do the opposite of what
> you'd think they do.
>
> repo_read_index() reads in an index and allows unmerged entries and
> returns istate->cache_nr.
>
> repo_read_index_unmerged() calls repo_read_index(), then checks to see
> if any of the entries are unmerged and returns whether or not any
> unmerged entries were found.
>
> So, the way to disallow conflict stages isn't to use
> repo_read_index(), but to use repo_read_index_unmerged(), as I did.
> Counter-intuitive, I know.
Whoa. No wonder I get it wrong all the time.
Thanks for educating me,
Dscho
next prev parent reply other threads:[~2019-07-26 11:23 UTC|newest]
Thread overview: 157+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-25 17:45 [PATCH 00/19] Cleanup merge API Elijah Newren
2019-07-25 17:45 ` [PATCH 01/19] merge-recursive: fix minor memory leak in error condition Elijah Newren
2019-07-25 17:45 ` [PATCH 02/19] merge-recursive: remove another implicit dependency on the_repository Elijah Newren
2019-07-25 17:45 ` [PATCH 03/19] Ensure index matches head before invoking merge machinery, round N Elijah Newren
2019-07-25 19:41 ` Johannes Schindelin
2019-07-25 19:58 ` Elijah Newren
2019-07-26 11:23 ` Johannes Schindelin [this message]
2019-07-25 17:45 ` [PATCH 04/19] merge-recursive: exit early if index != head Elijah Newren
2019-07-25 19:51 ` Johannes Schindelin
2019-07-25 20:12 ` Elijah Newren
2019-07-25 17:45 ` [PATCH 05/19] merge-recursive: don't force external callers to do our logging Elijah Newren
2019-07-25 17:45 ` [PATCH 06/19] Change call signature of write_tree_from_memory() Elijah Newren
2019-07-25 19:55 ` Johannes Schindelin
2019-07-26 4:58 ` Elijah Newren
2019-07-25 17:45 ` [PATCH 07/19] Move write_tree_from_memory() from merge-recursive to cache-tree Elijah Newren
2019-07-25 17:46 ` [PATCH 08/19] merge-recursive: fix some overly long lines Elijah Newren
2019-07-25 17:46 ` [PATCH 09/19] merge-recursive: use common name for ancestors/common/base_list Elijah Newren
2019-07-25 17:46 ` [PATCH 10/19] merge-recursive: rename 'mrtree' to 'result_tree', for clarity Elijah Newren
2019-07-25 20:02 ` Johannes Schindelin
2019-07-25 17:46 ` [PATCH 11/19] merge-recursive: rename merge_options argument to opt in header Elijah Newren
2019-07-25 17:46 ` [PATCH 12/19] merge-recursive: move some definitions around to clean up the header Elijah Newren
2019-07-25 17:46 ` [PATCH 13/19] merge-recursive: consolidate unnecessary fields in merge_options Elijah Newren
2019-07-25 17:46 ` [PATCH 14/19] merge-recursive: comment and reorder the merge_options fields Elijah Newren
2019-07-25 17:46 ` [PATCH 15/19] merge-recursive: split internal fields into a separate struct Elijah Newren
2019-07-25 20:12 ` Johannes Schindelin
2019-07-25 20:27 ` Elijah Newren
2019-07-26 11:25 ` Johannes Schindelin
2019-07-26 15:30 ` Elijah Newren
2019-07-25 17:46 ` [PATCH 16/19] merge-recursive: alphabetize include list Elijah Newren
2019-07-25 17:46 ` [PATCH 17/19] merge-recursive: rename MERGE_RECURSIVE_* to MERGE_VARIANT_* Elijah Newren
2019-07-25 17:46 ` [PATCH 18/19] merge-recursive: be consistent with assert Elijah Newren
2019-07-25 17:46 ` [PATCH 19/19] merge-recursive: provide a better label for diff3 common ancestor Elijah Newren
2019-07-25 20:28 ` Johannes Schindelin
2019-07-25 18:12 ` [PATCH 00/19] Cleanup merge API Junio C Hamano
2019-07-25 19:06 ` Elijah Newren
2019-07-25 22:50 ` Junio C Hamano
2019-07-26 14:07 ` Johannes Schindelin
2019-07-25 19:15 ` Johannes Schindelin
2019-07-26 15:15 ` Elijah Newren
2019-07-26 15:52 ` [PATCH v2 00/20] " Elijah Newren
2019-07-26 15:52 ` [PATCH v2 01/20] merge-recursive: fix minor memory leak in error condition Elijah Newren
2019-07-26 18:31 ` Junio C Hamano
2019-07-26 23:19 ` Elijah Newren
2019-07-29 14:13 ` Derrick Stolee
2019-07-26 15:52 ` [PATCH v2 02/20] merge-recursive: remove another implicit dependency on the_repository Elijah Newren
2019-07-26 18:42 ` Junio C Hamano
2019-07-26 15:52 ` [PATCH v2 03/20] Ensure index matches head before invoking merge machinery, round N Elijah Newren
2019-07-26 19:14 ` Junio C Hamano
2019-07-26 23:22 ` Elijah Newren
2019-07-26 15:52 ` [PATCH v2 04/20] merge-recursive: exit early if index != head Elijah Newren
2019-07-26 19:32 ` Junio C Hamano
2019-07-26 23:26 ` Elijah Newren
2019-07-29 15:56 ` Junio C Hamano
2019-07-26 15:52 ` [PATCH v2 05/20] merge-recursive: remove useless parameter in merge_trees() Elijah Newren
2019-07-26 19:37 ` Junio C Hamano
2019-07-26 15:52 ` [PATCH v2 06/20] merge-recursive: don't force external callers to do our logging Elijah Newren
2019-07-26 19:57 ` Junio C Hamano
2019-07-26 23:28 ` Elijah Newren
2019-07-26 15:52 ` [PATCH v2 07/20] Use write_index_as_tree() in lieu of write_tree_from_memory() Elijah Newren
2019-07-26 20:11 ` Junio C Hamano
2019-07-26 23:39 ` Elijah Newren
2019-07-29 4:46 ` Junio C Hamano
2019-07-26 15:52 ` [PATCH v2 08/20] merge-recursive: fix some overly long lines Elijah Newren
2019-07-26 15:52 ` [PATCH v2 09/20] merge-recursive: use common name for ancestors/common/base_list Elijah Newren
2019-07-26 15:52 ` [PATCH v2 10/20] merge-recursive: rename 'mrtree' to 'result_tree', for clarity Elijah Newren
2019-07-26 15:52 ` [PATCH v2 11/20] merge-recursive: rename merge_options argument to opt in header Elijah Newren
2019-07-26 15:52 ` [PATCH v2 12/20] merge-recursive: move some definitions around to clean up the header Elijah Newren
2019-07-26 15:52 ` [PATCH v2 13/20] merge-recursive: consolidate unnecessary fields in merge_options Elijah Newren
2019-07-26 15:52 ` [PATCH v2 14/20] merge-recursive: comment and reorder the merge_options fields Elijah Newren
2019-07-26 15:52 ` [PATCH v2 15/20] merge-recursive: avoid losing output and leaking memory holding that output Elijah Newren
2019-07-26 15:52 ` [PATCH v2 16/20] merge-recursive: split internal fields into a separate struct Elijah Newren
2019-07-26 15:52 ` [PATCH v2 17/20] merge-recursive: alphabetize include list Elijah Newren
2019-07-26 15:52 ` [PATCH v2 18/20] merge-recursive: rename MERGE_RECURSIVE_* to MERGE_VARIANT_* Elijah Newren
2019-07-26 15:52 ` [PATCH v2 19/20] merge-recursive: be consistent with assert Elijah Newren
2019-07-26 15:52 ` [PATCH v2 20/20] merge-recursive: provide a better label for diff3 common ancestor Elijah Newren
2019-08-15 21:40 ` [PATCH v3 00/24] Clean up merge API Elijah Newren
2019-08-15 21:40 ` [PATCH v3 01/24] merge-recursive: be consistent with assert Elijah Newren
2019-08-15 21:40 ` [PATCH v3 02/24] checkout: provide better conflict hunk description with detached HEAD Elijah Newren
2019-08-15 21:40 ` [PATCH v3 03/24] merge-recursive: enforce opt->ancestor != NULL when calling merge_trees() Elijah Newren
2019-08-16 21:05 ` Junio C Hamano
2019-08-15 21:40 ` [PATCH v3 04/24] merge-recursive: provide a better label for diff3 common ancestor Elijah Newren
2019-08-16 21:33 ` Junio C Hamano
2019-08-16 22:39 ` Elijah Newren
2019-08-15 21:40 ` [PATCH v3 05/24] merge-recursive: introduce an enum for detect_directory_renames values Elijah Newren
2019-08-15 21:40 ` [PATCH v3 06/24] merge-recursive: future-proof update_file_flags() against memory leaks Elijah Newren
2019-08-15 21:40 ` [PATCH v3 07/24] merge-recursive: remove another implicit dependency on the_repository Elijah Newren
2019-08-15 21:40 ` [PATCH v3 08/24] Ensure index matches head before invoking merge machinery, round N Elijah Newren
2019-08-15 21:40 ` [PATCH v3 09/24] merge-recursive: exit early if index != head Elijah Newren
2019-08-15 21:40 ` [PATCH v3 10/24] merge-recursive: remove useless parameter in merge_trees() Elijah Newren
2019-08-15 21:40 ` [PATCH v3 11/24] merge-recursive: don't force external callers to do our logging Elijah Newren
2019-08-15 21:40 ` [PATCH v3 12/24] cache-tree: share code between functions writing an index as a tree Elijah Newren
2019-08-16 22:01 ` Junio C Hamano
2019-08-16 22:39 ` Elijah Newren
2019-08-15 21:40 ` [PATCH v3 13/24] merge-recursive: fix some overly long lines Elijah Newren
2019-08-15 21:40 ` [PATCH v3 14/24] merge-recursive: use common name for ancestors/common/base_list Elijah Newren
2019-08-15 21:40 ` [PATCH v3 15/24] merge-recursive: rename 'mrtree' to 'result_tree', for clarity Elijah Newren
2019-08-15 21:40 ` [PATCH v3 16/24] merge-recursive: rename merge_options argument to opt in header Elijah Newren
2019-08-15 21:40 ` [PATCH v3 17/24] merge-recursive: move some definitions around to clean up the header Elijah Newren
2019-08-15 21:40 ` [PATCH v3 18/24] merge-recursive: consolidate unnecessary fields in merge_options Elijah Newren
2019-08-16 22:14 ` Junio C Hamano
2019-08-16 22:59 ` Elijah Newren
2019-08-16 23:24 ` Junio C Hamano
2019-08-15 21:40 ` [PATCH v3 19/24] merge-recursive: comment and reorder the merge_options fields Elijah Newren
2019-08-15 21:40 ` [PATCH v3 20/24] merge-recursive: avoid losing output and leaking memory holding that output Elijah Newren
2019-08-15 21:40 ` [PATCH v3 21/24] merge-recursive: split internal fields into a separate struct Elijah Newren
2019-08-16 21:19 ` SZEDER Gábor
2019-08-16 23:00 ` Elijah Newren
2019-08-16 22:17 ` Junio C Hamano
2019-08-15 21:40 ` [PATCH v3 22/24] merge-recursive: rename MERGE_RECURSIVE_* to MERGE_VARIANT_* Elijah Newren
2019-08-15 21:40 ` [PATCH v3 23/24] merge-recursive: add sanity checks for relevant merge_options Elijah Newren
2019-08-16 19:52 ` Junio C Hamano
2019-08-16 22:08 ` Elijah Newren
2019-08-16 23:15 ` Junio C Hamano
2019-08-16 19:59 ` Junio C Hamano
2019-08-16 22:09 ` Elijah Newren
2019-08-15 21:40 ` [PATCH v3 24/24] merge-recursive: alphabetize include list Elijah Newren
2019-08-17 18:41 ` [PATCH v4 00/24] Clean up merge API Elijah Newren
2019-08-17 18:41 ` [PATCH v4 01/24] merge-recursive: be consistent with assert Elijah Newren
2019-08-17 18:41 ` [PATCH v4 02/24] checkout: provide better conflict hunk description with detached HEAD Elijah Newren
2019-08-17 18:41 ` [PATCH v4 03/24] merge-recursive: enforce opt->ancestor != NULL when calling merge_trees() Elijah Newren
2019-08-17 18:41 ` [PATCH v4 04/24] merge-recursive: provide a better label for diff3 common ancestor Elijah Newren
2019-09-30 21:14 ` Jeff King
2019-09-30 21:19 ` Jeff King
2019-09-30 22:54 ` [PATCH] merge-recursive: fix the diff3 common ancestor label for virtual commits Elijah Newren
2019-10-01 6:56 ` Elijah Newren
2019-10-01 6:58 ` [PATCH v2] " Elijah Newren
2019-10-01 14:49 ` Jeff King
2019-10-01 18:17 ` [PATCH v3] " Elijah Newren
2019-10-07 2:51 ` Junio C Hamano
2019-10-07 15:52 ` [PATCH] merge-recursive: fix the fix to the diff3 common ancestor label Elijah Newren
2019-10-08 2:32 ` Junio C Hamano
2019-10-08 2:36 ` Junio C Hamano
2019-10-08 16:16 ` Elijah Newren
2019-08-17 18:41 ` [PATCH v4 05/24] merge-recursive: introduce an enum for detect_directory_renames values Elijah Newren
2019-08-17 18:41 ` [PATCH v4 06/24] merge-recursive: future-proof update_file_flags() against memory leaks Elijah Newren
2019-08-17 18:41 ` [PATCH v4 07/24] merge-recursive: remove another implicit dependency on the_repository Elijah Newren
2019-08-17 18:41 ` [PATCH v4 08/24] Ensure index matches head before invoking merge machinery, round N Elijah Newren
2019-09-02 23:01 ` Johannes Schindelin
2019-09-03 13:34 ` Johannes Schindelin
2019-09-03 18:17 ` Elijah Newren
2019-08-17 18:41 ` [PATCH v4 09/24] merge-recursive: exit early if index != head Elijah Newren
2019-08-17 18:41 ` [PATCH v4 10/24] merge-recursive: remove useless parameter in merge_trees() Elijah Newren
2019-08-17 18:41 ` [PATCH v4 11/24] merge-recursive: don't force external callers to do our logging Elijah Newren
2019-08-17 18:41 ` [PATCH v4 12/24] cache-tree: share code between functions writing an index as a tree Elijah Newren
2019-08-17 18:41 ` [PATCH v4 13/24] merge-recursive: fix some overly long lines Elijah Newren
2019-08-17 18:41 ` [PATCH v4 14/24] merge-recursive: use common name for ancestors/common/base_list Elijah Newren
2019-08-17 18:41 ` [PATCH v4 15/24] merge-recursive: rename 'mrtree' to 'result_tree', for clarity Elijah Newren
2019-08-17 18:41 ` [PATCH v4 16/24] merge-recursive: rename merge_options argument to opt in header Elijah Newren
2019-08-17 18:41 ` [PATCH v4 17/24] merge-recursive: move some definitions around to clean up the header Elijah Newren
2019-08-17 18:41 ` [PATCH v4 18/24] merge-recursive: consolidate unnecessary fields in merge_options Elijah Newren
2019-08-17 18:41 ` [PATCH v4 19/24] merge-recursive: comment and reorder the merge_options fields Elijah Newren
2019-08-17 18:41 ` [PATCH v4 20/24] merge-recursive: avoid losing output and leaking memory holding that output Elijah Newren
2019-08-17 18:41 ` [PATCH v4 21/24] merge-recursive: split internal fields into a separate struct Elijah Newren
2019-08-19 17:17 ` Junio C Hamano
2019-08-17 18:41 ` [PATCH v4 22/24] merge-recursive: rename MERGE_RECURSIVE_* to MERGE_VARIANT_* Elijah Newren
2019-08-17 18:41 ` [PATCH v4 23/24] merge-recursive: add sanity checks for relevant merge_options Elijah Newren
2019-08-17 18:41 ` [PATCH v4 24/24] merge-recursive: alphabetize include list Elijah Newren
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