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received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: sktaejdw80oll4htzXnFun/QZHVQxWZJTDt7oUV3hPc0iJAHapEz9YsX9aoV2q7Kf/NUboWJw+2+VHEa4b0H6MF+kX77apSDQnMNW+R3jEIYSui5bC46yxSz41lTA3jjC7b/p9S210g+3pToaUCC8/sfOYEVzdkaN0EvIe7d6lFfeZi72Gf5U1vkiIbnODwF spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Office365-Filtering-Correlation-Id: d498d6ae-962a-4507-522f-08d5b69c3e38 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: d498d6ae-962a-4507-522f-08d5b69c3e38 X-MS-Exchange-CrossTenant-originalarrivaltime: 10 May 2018 17:34:12.3389 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR2101MB0962 Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org If core.commitGraph is true, verify the contents of the commit-graph during 'git fsck' using the 'git commit-graph verify' subcommand. Run this check on all alternates, as well. We use a new process for two reasons: 1. The subcommand decouples the details of loading and verifying a commit-graph file from the other fsck details. 2. The commit-graph verification requires the commits to be loaded in a specific order to guarantee we parse from the commit-graph file for some objects and from the object database for others. Signed-off-by: Derrick Stolee --- Documentation/git-fsck.txt | 3 +++ builtin/fsck.c | 21 +++++++++++++++++++++ t/t5318-commit-graph.sh | 5 +++++ 3 files changed, 29 insertions(+) diff --git a/Documentation/git-fsck.txt b/Documentation/git-fsck.txt index b9f060e3b2..ab9a93fb9b 100644 --- a/Documentation/git-fsck.txt +++ b/Documentation/git-fsck.txt @@ -110,6 +110,9 @@ Any corrupt objects you will have to find in backups or= other archives (i.e., you can just remove them and do an 'rsync' with some other site in the hopes that somebody else has the object you have corrupted). =20 +If core.commitGraph is true, the commit-graph file will also be inspected +using 'git commit-graph verify'. See linkgit:git-commit-graph[1]. + Extracted Diagnostics --------------------- =20 diff --git a/builtin/fsck.c b/builtin/fsck.c index ef78c6c00c..a6d5045b77 100644 --- a/builtin/fsck.c +++ b/builtin/fsck.c @@ -16,6 +16,7 @@ #include "streaming.h" #include "decorate.h" #include "packfile.h" +#include "run-command.h" =20 #define REACHABLE 0x0001 #define SEEN 0x0002 @@ -45,6 +46,7 @@ static int name_objects; #define ERROR_REACHABLE 02 #define ERROR_PACK 04 #define ERROR_REFS 010 +#define ERROR_COMMIT_GRAPH 020 =20 static const char *describe_object(struct object *obj) { @@ -815,5 +817,24 @@ int cmd_fsck(int argc, const char **argv, const char *= prefix) } =20 check_connectivity(); + + if (core_commit_graph) { + struct child_process commit_graph_verify =3D CHILD_PROCESS_INIT; + const char *verify_argv[] =3D { "commit-graph", "verify", NULL, NULL, NU= LL, NULL }; + commit_graph_verify.argv =3D verify_argv; + commit_graph_verify.git_cmd =3D 1; + + if (run_command(&commit_graph_verify)) + errors_found |=3D ERROR_COMMIT_GRAPH; + + prepare_alt_odb(); + for (alt =3D alt_odb_list; alt; alt =3D alt->next) { + verify_argv[2] =3D "--object-dir"; + verify_argv[3] =3D alt->path; + if (run_command(&commit_graph_verify)) + errors_found |=3D ERROR_COMMIT_GRAPH; + } + } + return errors_found; } diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh index 6ca451dfd2..9680e6e6e0 100755 --- a/t/t5318-commit-graph.sh +++ b/t/t5318-commit-graph.sh @@ -240,4 +240,9 @@ test_expect_success 'git commit-graph verify' ' git commit-graph verify >output ' =20 +test_expect_success 'git fsck (checks commit-graph)' ' + cd "$TRASH_DIRECTORY/full" && + git fsck +' + test_done --=20 2.16.2.329.gfb62395de6