From: Junio C Hamano <gitster@pobox.com>
To: "Johannes Schindelin via GitGitGadget" <gitgitgadget@gmail.com>
Cc: git@vger.kernel.org, Johannes Schindelin <johannes.schindelin@gmx.de>
Subject: Re: [PATCH 0/4] merge-tree: handle missing objects correctly
Date: Tue, 06 Feb 2024 13:12:15 -0800 [thread overview]
Message-ID: <xmqq7cjhguvk.fsf@gitster.g> (raw)
In-Reply-To: <pull.1651.git.1707212981.gitgitgadget@gmail.com> (Johannes Schindelin via GitGitGadget's message of "Tue, 06 Feb 2024 09:49:37 +0000")
"Johannes Schindelin via GitGitGadget" <gitgitgadget@gmail.com>
writes:
> I recently looked into issues where git merge-tree calls returned bogus data
> (in one instance returning an empty tree for non-empty merge parents). By
> the time I had a look at the corresponding repository, the issue was no
> longer reproducible, but a closer look at the code combined with some manual
> experimenting turned up the fact that missing tree objects aren't handled as
> errors by git merge-tree.
>
> While at it, I added a commit on top that tries to catch all remaining
> unchecked parse_tree() calls.
>
> This patch series is based on js/merge-tree-3-trees because I introduced
> three unchecked parse_tree() calls in that topic branch.
Thanks. All the added checks looked reasonable to me.
Will queue.
>
> Johannes Schindelin (4):
> merge-tree: fail with a non-zero exit code on missing tree objects
> merge-ort: do check `parse_tree()`'s return value
> t4301: verify that merge-tree fails on missing blob objects
> Always check `parse_tree*()`'s return value
>
> builtin/checkout.c | 19 ++++++++++++++++---
> builtin/clone.c | 3 ++-
> builtin/commit.c | 3 ++-
> builtin/merge-tree.c | 6 ++++++
> builtin/read-tree.c | 3 ++-
> builtin/reset.c | 4 ++++
> cache-tree.c | 4 ++--
> merge-ort.c | 16 +++++++++++-----
> merge-recursive.c | 3 ++-
> merge.c | 5 ++++-
> reset.c | 5 +++++
> sequencer.c | 4 ++++
> t/t4301-merge-tree-write-tree.sh | 24 ++++++++++++++++++++++++
> 13 files changed, 84 insertions(+), 15 deletions(-)
>
>
> base-commit: 5f43cf5b2e4b68386d3774bce880b0f74d801635
> Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-1651%2Fdscho%2Fmerge-tree-and-missing-objects-v1
> Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-1651/dscho/merge-tree-and-missing-objects-v1
> Pull-Request: https://github.com/gitgitgadget/git/pull/1651
next prev parent reply other threads:[~2024-02-06 21:12 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-06 9:49 [PATCH 0/4] merge-tree: handle missing objects correctly Johannes Schindelin via GitGitGadget
2024-02-06 9:49 ` [PATCH 1/4] merge-tree: fail with a non-zero exit code on missing tree objects Johannes Schindelin via GitGitGadget
2024-02-07 7:42 ` Patrick Steinhardt
2024-02-06 9:49 ` [PATCH 2/4] merge-ort: do check `parse_tree()`'s return value Johannes Schindelin via GitGitGadget
2024-02-06 9:49 ` [PATCH 3/4] t4301: verify that merge-tree fails on missing blob objects Johannes Schindelin via GitGitGadget
2024-02-06 9:49 ` [PATCH 4/4] Always check `parse_tree*()`'s return value Johannes Schindelin via GitGitGadget
2024-02-06 22:07 ` Junio C Hamano
2024-02-07 7:42 ` Patrick Steinhardt
2024-02-06 21:12 ` Junio C Hamano [this message]
2024-02-07 7:42 ` [PATCH 0/4] merge-tree: handle missing objects correctly Patrick Steinhardt
2024-02-07 16:47 ` [PATCH v2 0/5] " Johannes Schindelin via GitGitGadget
2024-02-07 16:47 ` [PATCH v2 1/5] merge-tree: fail with a non-zero exit code on missing tree objects Johannes Schindelin via GitGitGadget
2024-02-07 17:02 ` Eric Sunshine
2024-02-22 14:09 ` Johannes Schindelin
2024-02-07 16:47 ` [PATCH v2 2/5] merge-ort: do check `parse_tree()`'s return value Johannes Schindelin via GitGitGadget
2024-02-07 16:47 ` [PATCH v2 3/5] t4301: verify that merge-tree fails on missing blob objects Johannes Schindelin via GitGitGadget
2024-02-07 17:24 ` Eric Sunshine
2024-02-07 21:24 ` Junio C Hamano
2024-02-08 0:52 ` Eric Sunshine
2024-02-22 14:12 ` Johannes Schindelin
2024-02-07 16:47 ` [PATCH v2 4/5] Always check `parse_tree*()`'s return value Johannes Schindelin via GitGitGadget
2024-02-07 17:26 ` Eric Sunshine
2024-02-22 14:08 ` Johannes Schindelin
2024-02-22 17:05 ` Junio C Hamano
2024-02-07 16:47 ` [PATCH v2 5/5] cache-tree: avoid an unnecessary check Johannes Schindelin via GitGitGadget
2024-02-07 16:58 ` Junio C Hamano
2024-02-22 14:36 ` [PATCH v3 0/5] merge-tree: handle missing objects correctly Johannes Schindelin via GitGitGadget
2024-02-22 14:36 ` [PATCH v3 1/5] merge-tree: fail with a non-zero exit code on missing tree objects Johannes Schindelin via GitGitGadget
2024-02-22 17:13 ` Junio C Hamano
2024-02-22 14:36 ` [PATCH v3 2/5] merge-ort: do check `parse_tree()`'s return value Johannes Schindelin via GitGitGadget
2024-02-22 17:18 ` Junio C Hamano
2024-02-22 14:36 ` [PATCH v3 3/5] t4301: verify that merge-tree fails on missing blob objects Johannes Schindelin via GitGitGadget
2024-02-22 17:27 ` Junio C Hamano
2024-02-22 18:23 ` Junio C Hamano
2024-02-22 14:36 ` [PATCH v3 4/5] Always check `parse_tree*()`'s return value Johannes Schindelin via GitGitGadget
2024-02-22 17:58 ` Junio C Hamano
2024-02-23 8:33 ` Johannes Schindelin
2024-02-23 17:17 ` Junio C Hamano
2024-02-22 14:36 ` [PATCH v3 5/5] cache-tree: avoid an unnecessary check Johannes Schindelin via GitGitGadget
2024-02-22 18:00 ` Junio C Hamano
2024-02-23 8:34 ` [PATCH v4 0/6] merge-tree: handle missing objects correctly Johannes Schindelin via GitGitGadget
2024-02-23 8:34 ` [PATCH v4 1/6] merge-tree: fail with a non-zero exit code on missing tree objects Johannes Schindelin via GitGitGadget
2024-02-23 8:34 ` [PATCH v4 2/6] merge-ort: do check `parse_tree()`'s return value Johannes Schindelin via GitGitGadget
2024-02-23 8:34 ` [PATCH v4 3/6] t4301: verify that merge-tree fails on missing blob objects Johannes Schindelin via GitGitGadget
2024-02-23 8:34 ` [PATCH v4 4/6] Always check `parse_tree*()`'s return value Johannes Schindelin via GitGitGadget
2024-02-23 8:34 ` [PATCH v4 5/6] cache-tree: avoid an unnecessary check Johannes Schindelin via GitGitGadget
2024-02-23 8:34 ` [PATCH v4 6/6] fill_tree_descriptor(): mark error message for translation Johannes Schindelin via GitGitGadget
2024-02-23 18:23 ` [PATCH v4 0/6] merge-tree: handle missing objects correctly Junio C Hamano
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: http://vger.kernel.org/majordomo-info.html
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=xmqq7cjhguvk.fsf@gitster.g \
--to=gitster@pobox.com \
--cc=git@vger.kernel.org \
--cc=gitgitgadget@gmail.com \
--cc=johannes.schindelin@gmx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://80x24.org/mirrors/git.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).