From: "blanet via GitGitGadget" <gitgitgadget@gmail.com>
To: git@vger.kernel.org
Cc: Patrick Steinhardt <ps@pks.im>,
Karthik Nayak <karthik.188@gmail.com>,
blanet <bupt_xingxin@163.com>
Subject: [PATCH v6 0/3] object checking related additions and fixes for bundles in fetches
Date: Tue, 11 Jun 2024 12:45:40 +0000 [thread overview]
Message-ID: <pull.1730.v6.git.1718109943.gitgitgadget@gmail.com> (raw)
In-Reply-To: <pull.1730.v5.git.1718088126.gitgitgadget@gmail.com>
While attempting to fix a reference negotiation bug in bundle-uri, we
identified that the fetch process lacks some crucial object validation
checks when processing bundles. The primary issues are:
1. In the bundle-uri scenario, object IDs were not validated before writing
bundle references. This was the root cause of the original negotiation
bug in bundle-uri and could lead to potential repository corruption.
2. The existing "fetch.fsckObjects" and "transfer.fsckObjects"
configurations were not applied when directly fetching bundles or
fetching with bundle-uri enabled. In fact, there were no object
validation supports for unbundle.
The first patch addresses the bundle-uri negotiation issue by removing the
REF_SKIP_OID_VERIFICATION flag when writing bundle references.
Patches 2 through 3 extend verify_bundle_flags for bundle.c:unbundle to add
support for object validation (fsck) in fetch scenarios, mainly following
the suggestions from Junio and Patrick on the mailing list.
Xing Xin (3):
bundle-uri: verify oid before writing refs
fetch-pack: expose fsckObjects configuration logic
unbundle: support object verification for fetches
bundle-uri.c | 5 +-
bundle.c | 5 +
bundle.h | 1 +
fetch-pack.c | 17 ++--
fetch-pack.h | 5 +
t/t5558-clone-bundle-uri.sh | 186 +++++++++++++++++++++++++++++++++++-
t/t5607-clone-bundle.sh | 33 +++++++
transport.c | 2 +-
8 files changed, 240 insertions(+), 14 deletions(-)
base-commit: b9cfe4845cb2562584837bc0101c0ab76490a239
Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-1730%2Fblanet%2Fxx%2Fbundle-uri-bug-using-bundle-list-v6
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-1730/blanet/xx/bundle-uri-bug-using-bundle-list-v6
Pull-Request: https://github.com/gitgitgadget/git/pull/1730
Range-diff vs v5:
1: e958a3ab20c = 1: e958a3ab20c bundle-uri: verify oid before writing refs
2: d21c236b8de = 2: d21c236b8de fetch-pack: expose fsckObjects configuration logic
3: 0a18d7839be < -: ----------- unbundle: extend options to support object verification
4: eb9f21f16b5 ! 3: 53395e8c08a unbundle: use VERIFY_BUNDLE_FSCK_FOLLOW_FETCH for fetches
@@ Metadata
Author: Xing Xin <xingxin.xx@bytedance.com>
## Commit message ##
- unbundle: use VERIFY_BUNDLE_FSCK_FOLLOW_FETCH for fetches
+ unbundle: support object verification for fetches
- This commit passes `VERIFY_BUNDLE_FSCK_FOLLOW_FETCH` to `unbundle` in
- the fetching process, including:
+ This commit extends object verification support for fetches in
+ `bundle.c:unbundle` by adding the `VERIFY_BUNDLE_FSCK_FOLLOW_FETCH`
+ option to `verify_bundle_flags`. When this option is enabled,
+ `bundle.c:unbundle` invokes `fetch-pack.c:fetch_pack_fsck_objects` to
+ determine whether to append the "--fsck-objects" flag to
+ "git-index-pack".
+
+ `VERIFY_BUNDLE_FSCK_FOLLOW_FETCH` is now passed to `unbundle` in the
+ fetching process, including:
- `transport.c:fetch_refs_from_bundle` for direct bundle fetches.
- `bundle-uri.c:unbundle_from_file` for bundle-uri enabled fetches.
@@ bundle-uri.c: static int unbundle_from_file(struct repository *r, const char *fi
/*
+ ## bundle.c ##
+@@
+ #include "list-objects-filter-options.h"
+ #include "connected.h"
+ #include "write-or-die.h"
++#include "fetch-pack.h"
+
+ static const char v2_bundle_signature[] = "# v2 git bundle\n";
+ static const char v3_bundle_signature[] = "# v3 git bundle\n";
+@@ bundle.c: int unbundle(struct repository *r, struct bundle_header *header,
+ if (header->filter.choice)
+ strvec_push(&ip.args, "--promisor=from-bundle");
+
++ if (flags & VERIFY_BUNDLE_FSCK_FOLLOW_FETCH)
++ if (fetch_pack_fsck_objects())
++ strvec_push(&ip.args, "--fsck-objects");
++
+ if (extra_index_pack_args) {
+ strvec_pushv(&ip.args, extra_index_pack_args->v);
+ strvec_clear(extra_index_pack_args);
+
+ ## bundle.h ##
+@@ bundle.h: int create_bundle(struct repository *r, const char *path,
+ enum verify_bundle_flags {
+ VERIFY_BUNDLE_VERBOSE = (1 << 0),
+ VERIFY_BUNDLE_QUIET = (1 << 1),
++ VERIFY_BUNDLE_FSCK_FOLLOW_FETCH = (1 << 2),
+ };
+
+ int verify_bundle(struct repository *r, struct bundle_header *header,
+
## t/t5558-clone-bundle-uri.sh ##
@@ t/t5558-clone-bundle-uri.sh: test_expect_success 'create bundle' '
git bundle create B.bundle topic &&
--
gitgitgadget
next prev parent reply other threads:[~2024-06-11 12:45 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-15 3:01 [PATCH] bundle-uri: refresh packed_git if unbundle succeed blanet via GitGitGadget
2024-05-17 5:00 ` Patrick Steinhardt
2024-05-17 16:14 ` Junio C Hamano
2024-05-20 11:48 ` Xing Xin
2024-05-20 17:19 ` Junio C Hamano
2024-05-27 16:04 ` Xing Xin
2024-05-20 9:41 ` Xing Xin
2024-05-17 7:36 ` Karthik Nayak
2024-05-20 10:19 ` Xing Xin
2024-05-20 12:36 ` [PATCH v2] bundle-uri: verify oid before writing refs blanet via GitGitGadget
2024-05-21 15:41 ` Karthik Nayak
2024-05-27 15:41 ` [PATCH v3 0/4] object checking related additions and fixes for bundles in fetches blanet via GitGitGadget
2024-05-27 15:41 ` [PATCH v3 1/4] bundle-uri: verify oid before writing refs Xing Xin via GitGitGadget
2024-05-28 11:55 ` Patrick Steinhardt
2024-05-30 8:32 ` Xing Xin
2024-05-27 15:41 ` [PATCH v3 2/4] unbundle: introduce unbundle_fsck_flags for fsckobjects handling Xing Xin via GitGitGadget
2024-05-28 12:03 ` Patrick Steinhardt
2024-05-29 18:12 ` Xing Xin
2024-05-30 4:38 ` Patrick Steinhardt
2024-05-30 8:46 ` Xing Xin
2024-05-27 15:41 ` [PATCH v3 3/4] fetch-pack: expose fsckObjects configuration logic Xing Xin via GitGitGadget
2024-05-28 12:03 ` Patrick Steinhardt
2024-05-28 17:10 ` Junio C Hamano
2024-05-28 17:24 ` Junio C Hamano
2024-05-29 5:52 ` Patrick Steinhardt
2024-05-30 8:48 ` Xing Xin
2024-05-29 5:52 ` Patrick Steinhardt
2024-05-27 15:41 ` [PATCH v3 4/4] unbundle: introduce new option UNBUNDLE_FSCK_FOLLOW_FETCH Xing Xin via GitGitGadget
2024-05-28 12:05 ` Patrick Steinhardt
2024-05-30 8:54 ` Xing Xin
2024-05-30 8:21 ` [PATCH v4 0/4] object checking related additions and fixes for bundles in fetches blanet via GitGitGadget
2024-05-30 8:21 ` [PATCH v4 1/4] bundle-uri: verify oid before writing refs Xing Xin via GitGitGadget
2024-05-30 8:21 ` [PATCH v4 2/4] unbundle: extend verify_bundle_flags to support fsck-objects Xing Xin via GitGitGadget
2024-06-06 12:06 ` Patrick Steinhardt
2024-06-11 6:46 ` Xing Xin
2024-05-30 8:21 ` [PATCH v4 3/4] fetch-pack: expose fsckObjects configuration logic Xing Xin via GitGitGadget
2024-05-30 8:21 ` [PATCH v4 4/4] unbundle: introduce option VERIFY_BUNDLE_FSCK_FOLLOW_FETCH Xing Xin via GitGitGadget
2024-06-06 12:06 ` Patrick Steinhardt
2024-06-11 6:46 ` Xing Xin
2024-06-11 6:42 ` [PATCH v5 0/4] object checking related additions and fixes for bundles in fetches blanet via GitGitGadget
2024-06-11 6:42 ` [PATCH v5 1/4] bundle-uri: verify oid before writing refs Xing Xin via GitGitGadget
2024-06-11 6:42 ` [PATCH v5 2/4] fetch-pack: expose fsckObjects configuration logic Xing Xin via GitGitGadget
2024-06-11 6:42 ` [PATCH v5 3/4] unbundle: extend options to support object verification Xing Xin via GitGitGadget
2024-06-11 9:11 ` Patrick Steinhardt
2024-06-11 12:47 ` Xing Xin
2024-06-11 6:42 ` [PATCH v5 4/4] unbundle: use VERIFY_BUNDLE_FSCK_FOLLOW_FETCH for fetches Xing Xin via GitGitGadget
2024-06-11 12:45 ` blanet via GitGitGadget [this message]
2024-06-11 12:45 ` [PATCH v6 1/3] bundle-uri: verify oid before writing refs Xing Xin via GitGitGadget
2024-06-11 19:08 ` Junio C Hamano
2024-06-17 13:53 ` Xing Xin
2024-06-11 12:45 ` [PATCH v6 2/3] fetch-pack: expose fsckObjects configuration logic Xing Xin via GitGitGadget
2024-06-11 19:20 ` Junio C Hamano
2024-06-11 12:45 ` [PATCH v6 3/3] unbundle: support object verification for fetches Xing Xin via GitGitGadget
2024-06-11 20:05 ` Junio C Hamano
2024-06-12 18:33 ` Xing Xin
2024-06-11 13:14 ` [PATCH v6 0/3] object checking related additions and fixes for bundles in fetches Patrick Steinhardt
2024-06-17 13:55 ` [PATCH v7 " blanet via GitGitGadget
2024-06-17 13:55 ` [PATCH v7 1/3] bundle-uri: verify oid before writing refs Xing Xin via GitGitGadget
2024-06-18 17:37 ` Junio C Hamano
2024-06-19 6:30 ` Xing Xin
2024-06-17 13:55 ` [PATCH v7 2/3] fetch-pack: expose fsckObjects configuration logic Xing Xin via GitGitGadget
2024-06-17 13:55 ` [PATCH v7 3/3] unbundle: extend object verification for fetches Xing Xin via GitGitGadget
2024-06-19 4:07 ` [PATCH v8 0/3] object checking related additions and fixes for bundles in fetches blanet via GitGitGadget
2024-06-19 4:07 ` [PATCH v8 1/3] bundle-uri: verify oid before writing refs Xing Xin via GitGitGadget
2024-06-19 4:07 ` [PATCH v8 2/3] fetch-pack: expose fsckObjects configuration logic Xing Xin via GitGitGadget
2024-06-19 4:07 ` [PATCH v8 3/3] unbundle: extend object verification for fetches Xing Xin via GitGitGadget
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