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The commit-graph file stores parents in a two-column portion of the
commit data chunk. If there is only one parent, then the second column
stores 0xFFFFFFFF to indicate no second parent.
The 'verify' subcommand checks the parent list for the commit loaded
from the commit-graph and the one parsed from the object database. Test
these checks for corrupt parents, too many parents, and wrong parents.
Add a boundary check to insert_parent_or_die() for when the parent
position value is out of range.
The octopus merge will be tested in a later commit.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The 'verify' subcommand must compare the commit content parsed from the
commit-graph against the content in the object database. Use
lookup_commit() and parse_commit_in_graph_one() to parse the commits
from the graph and compare against a commit that is loaded separately
and parsed directly from the object database.
Add checks for the root tree OID.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the 'verify' subcommand, load commits directly from the object
database to ensure they exist. Parse by skipping the commit-graph.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the commit-graph file, the OID fanout chunk provides an index into
the OID lookup. The 'verify' subcommand should find incorrect values
in the fanout.
Similarly, the 'verify' subcommand should find out-of-order values in
the OID lookup.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The commit-graph file requires the following three chunks:
* OID Fanout
* OID Lookup
* Commit Data
If any of these are missing, then the 'verify' subcommand should
report a failure. This includes the chunk IDs malformed or the
chunk count is truncated.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is the first of several commits that add a test to check that
'git commit-graph verify' catches corruption in the commit-graph
file. The first test checks that the command catches an error in
the file signature. This is a check that exists in the existing
commit-graph reading code.
Add a helper method 'corrupt_graph_and_verify' to the test script
t5318-commit-graph.sh. This helper corrupts the commit-graph file
at a certain location, runs 'git commit-graph verify', and reports
the output to the 'err' file. This data is filtered to remove the
lines added by 'test_must_fail' when the test is run verbosely.
Then, the output is checked to contain a specific error message.
Most messages from 'git commit-graph verify' will not be marked
for translation. There will be one exception: the message that
reports an invalid checksum will be marked for translation, as that
is the only message that is intended for a typical user.
Helped-by: Szeder Gábor <szeder.dev@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If the commit-graph file becomes corrupt, we need a way to verify
that its contents match the object database. In the manner of
'git fsck' we will implement a 'git commit-graph verify' subcommand
to report all issues with the file.
Add the 'verify' subcommand to the 'commit-graph' builtin and its
documentation. The subcommand is currently a no-op except for
loading the commit-graph into memory, which may trigger run-time
errors that would be caught by normal use. Add a simple test that
ensures the command returns a zero error code.
If no commit-graph file exists, this is an acceptable state. Do
not report any errors.
Helped-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When lazy-loading a tree for a commit, it will be important to select
the tree from a specific struct commit_graph. Create a new method that
specifies the commit-graph file and use that in
get_commit_tree_in_graph().
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In anticipation of verifying commit-graph file contents against the
object database, create parse_commit_internal() to allow side-stepping
the commit-graph file and parse directly from the object database.
Due to the use of generation numbers, this method should not be called
unless the intention is explicit in avoiding commits from the
commit-graph file.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Before verifying a commit-graph file against the object database, we
need to parse all commits from the given commit-graph file. Create
parse_commit_in_graph_one() to target a given struct commit_graph.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The GRAPH_MIN_SIZE macro should be the smallest size of a parsable
commit-graph file. However, the minimum number of chunks was wrong.
It is possible to write a commit-graph file with zero commits, and
that violates this macro's value.
Rewrite the macro, and use extra macros to better explain the magic
constants.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The commit-graph tests should be checking that normal Git operations
succeed and have matching output with and without the commit-graph
feature enabled. However, the test was toggling 'core.graph' instead
of the correct 'core.commitGraph' variable.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Misc leak plugging.
* sb/plug-misc-leaks:
sequencer.c: plug mem leak in git_sequencer_config
sequencer.c: plug leaks in do_pick_commit
submodule--helper: plug mem leak in print_default_remote
refs/packed-backend.c: close fd of empty file
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Instead of mucking with filesystem directly, use plumbing commands
update-ref etc. to manipulate the refs in the tests.
* cc/tests-without-assuming-ref-files-backend:
t9104: kosherly remove remote refs
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Code cleanup.
* sg/update-ref-stdin-cleanup:
update-ref --stdin: use skip_prefix()
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"git fetch --shallow-since=<cutoff>" that specifies the cut-off
point that is newer than the existing history used to end up
grabbing the entire history. Such a request now errors out.
* nd/reject-empty-shallow-request:
upload-pack: reject shallow requests that would return nothing
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"git remote update" can take both a single remote nickname and a
nickname for remote groups, and the completion script (in contrib/)
has been taught about it.
* ls/complete-remote-update-names:
completion: complete remote names too
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Separate "rebase -p" codepath out of "rebase -i" implementation to
slim down the latter and make it easier to manage.
* ag/rebase-p:
rebase: remove -p code from git-rebase--interactive.sh
rebase: use the new git-rebase--preserve-merges.sh
rebase: strip unused code in git-rebase--preserve-merges.sh
rebase: introduce a dedicated backend for --preserve-merges
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Continuing with the idea to programatically enumerate various
pieces of data required for command line completion, teach the
codebase to report the list of configuration variables
subcommands care about to help complete them.
* nd/complete-config-vars:
completion: complete general config vars in two steps
log-tree: allow to customize 'grafted' color
completion: support case-insensitive config vars
completion: keep other config var completion in camelCase
completion: drop the hard coded list of config vars
am: move advice.amWorkDir parsing back to advice.c
advice: keep config name in camelCase in advice_config[]
fsck: produce camelCase config key names
help: add --config to list all available config
fsck: factor out msg_id_info[] lazy initialization code
grep: keep all colors in an array
Add and use generic name->id mapping code for color slot parsing
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The conversion to pass "the_repository" and then "a_repository"
throughout the object access API continues.
* sb/object-store-alloc:
alloc: allow arbitrary repositories for alloc functions
object: allow create_object to handle arbitrary repositories
object: allow grow_object_hash to handle arbitrary repositories
alloc: add repository argument to alloc_commit_index
alloc: add repository argument to alloc_report
alloc: add repository argument to alloc_object_node
alloc: add repository argument to alloc_tag_node
alloc: add repository argument to alloc_commit_node
alloc: add repository argument to alloc_tree_node
alloc: add repository argument to alloc_blob_node
object: add repository argument to grow_object_hash
object: add repository argument to create_object
repository: introduce parsed objects field
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Modernize a less often used command.
* jk/show-index:
show-index: update documentation for index v2
make show-index a builtin
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Clean up tests in t6xxx series about 'merge' command.
* en/merge-recursive-tests:
t6036: prefer test_when_finished to manual cleanup in following test
t6036, t6042: prefer test_cmp to sequences of test
t6036, t6042: prefer test_path_is_file, test_path_is_missing
t6036, t6042: use test_line_count instead of wc -l
t6036, t6042: use test_create_repo to keep tests independent
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"git diff" compares the index and the working tree. For paths
added with intent-to-add bit, the command shows the full contents
of them as added, but the paths themselves were not marked as new
files. They are now shown as new by default.
"git apply" learned the "--intent-to-add" option so that an
otherwise working-tree-only application of a patch will add new
paths to the index marked with the "intent-to-add" bit.
* nd/diff-apply-ita:
apply: add --intent-to-add
t2203: add a test about "diff HEAD" case
diff: turn --ita-invisible-in-index on by default
diff: ignore --ita-[in]visible-in-index when diffing worktree-to-tree
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Update to ds/generation-numbers topic.
* ds/commit-graph-lockfile-fix:
commit-graph: fix UX issue when .lock file exists
commit-graph.txt: update design document
merge: check config before loading commits
commit: use generation number in remove_redundant()
commit: add short-circuit to paint_down_to_common()
commit: use generation numbers for in_merge_bases()
ref-filter: use generation number for --contains
commit-graph: always load commit-graph information
commit: use generations in paint_down_to_common()
commit-graph: compute generation numbers
commit: add generation number to struct commit
ref-filter: fix outdated comment on in_commit_list
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The in-core "commit" object had an all-purpose "void *util" field,
which was tricky to use especially in library-ish part of the
code. All of the existing uses of the field has been migrated to a
more dedicated "commit-slab" mechanism and the field is eliminated.
* nd/commit-util-to-slab:
commit.h: delete 'util' field in struct commit
merge: use commit-slab in merge remote desc instead of commit->util
log: use commit-slab in prepare_bases() instead of commit->util
show-branch: note about its object flags usage
show-branch: use commit-slab for commit-name instead of commit->util
name-rev: use commit-slab for rev-name instead of commit->util
bisect.c: use commit-slab for commit weight instead of commit->util
revision.c: use commit-slab for show_source
sequencer.c: use commit-slab to associate todo items to commits
sequencer.c: use commit-slab to mark seen commits
shallow.c: use commit-slab for commit depth instead of commit->util
describe: use commit-slab for commit names instead of commit->util
blame: use commit-slab for blame suspects instead of commit->util
commit-slab: support shared commit-slab
commit-slab.h: code split
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The bulk of "git submodule foreach" has been rewritten in C.
* pc/submodule-helper-foreach:
submodule: port submodule subcommand 'foreach' from shell to C
submodule foreach: document variable '$displaypath'
submodule foreach: document '$sm_path' instead of '$path'
submodule foreach: correct '$path' in nested submodules from a subdirectory
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* en/rename-directory-detection-reboot:
merge-recursive: use xstrdup() instead of fixed buffer
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Merge Korean translation for l10n of Git 2.18.0 round 3
* tag 'l10n-2.18.0-rnd3.1' of git://github.com/git-l10n/git-po:
l10n: ko.po: Update Korean translation
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* cf/submodule-progress-dissociate:
t7400: encapsulate setup code in test_expect_success
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* js/rebase-i-root-fix:
t3404: check root commit in 'rebase -i --root reword root commit'
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When running t7400 in a shell you observe more output than expected:
...
ok 8 - setup - hide init subdirectory
ok 9 - setup - repository to add submodules to
ok 10 - submodule add
[master (root-commit) d79ce16] one
Author: A U Thor <author@example.com>
1 file changed, 1 insertion(+)
create mode 100644 one.t
ok 11 - redirected submodule add does not show progress
ok 12 - redirected submodule add --progress does show progress
ok 13 - submodule add to .gitignored path fails
...
Fix the output by encapsulating the setup code in test_expect_success
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When testing a reworded root commit, ensure that the squash-onto commit
which is created and amended is still the root commit.
Suggested-by: Phillip Wood <phillip.wood@talktalk.net>
Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Todd Zullinger <tmz@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Karthikeyan Singaravelan <tir.karthi@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"make NO_ICONV=NoThanks" did not override NEEDS_LIBICONV
(i.e. linkage of -lintl, -liconv, etc. that are platform-specific
tweaks), which has been corrected.
* es/make-no-iconv:
Makefile: make NO_ICONV really mean "no iconv"
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Test fix.
* sg/t7406-chain-fix:
t7406-submodule-update: fix broken &&-chains
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A test title has been reworded to clarify it.
* ks/branch-set-upstream:
t3200: clarify description of --set-upstream test
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A regression to "rebase -i --root" introduced during this cycle has
been fixed.
* js/rebase-i-root-fix:
rebase --root: fix amending root commit messages
rebase --root: demonstrate a bug while amending root commit messages
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The code to read compressed bitmap was not careful to avoid reading
past the end of the file, which has been corrected.
* jk/ewah-bounds-check:
ewah: adjust callers of ewah_read_mmap()
ewah_read_mmap: bounds-check mmap reads
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l10n for Git 2.18.0 round 3
* tag 'l10n-2.18.0-rnd3' of git://github.com/git-l10n/git-po:
l10n: zh_CN: for git v2.18.0 l10n round 1 to 3
l10n: bg.po: Updated Bulgarian translation (3608t)
l10n: vi.po(3608t): Update Vietnamese translation for v2.18.0 round 3
l10n: fr.po v2.18.0 round 3
l10n: es.po: Spanish update for v2.18.0 round 3
l10n: git.pot: v2.18.0 round 3 (1 new, 1 removed)
l10n: vi.po(3608t): Update Vietnamese translation for v2.18.0 round2
l10n: bg.po: Updated Bulgarian translation (3608t)
l10n: es.po: Spanish update for v2.18.0 round 2
l10n: sv.po: Update Swedish translation (3608t0f0u)
l10n: sv.po: Update Swedish translation (3470t0f0u)
l10n: git.pot: v2.18.0 round 2 (144 new, 6 removed)
l10n: fr.po v2.18 round 1
l10n: vi(3470t): Updated Vietnamese translation for v2.18.0
l10n: es.po: Spanish update for v2.18.0 round 1
l10n: git.pot: v2.18.0 round 1 (108 new, 14 removed)
l10n: TEAMS: remove inactive de team members
l10n: de.po: fix typos
l10n: Update Catalan translation
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update the Korean translation and change the team leader to Gwan-gyeong
Mun.
Signed-off-by: Gwan-gyeong Mun <elongbug@gmail.com>
Signed-off-by: Changwoo Ryu <cwryu@debian.org>
Reviewed-by: Gwan-gyeong Mun <elongbug@gmail.com>
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Leakfix.
* sb/blame-color:
blame: release string_list after use in parse_color_fields()
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Fix old merge glitch in Documentation during v2.13-rc0 era.
* mw/doc-merge-enumfix:
doc: update the order of the syntax `git merge --continue`
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Newly added codepath in merge-recursive had potential buffer
overrun, which has been fixed.
* en/rename-directory-detection:
merge-recursive: use xstrdup() instead of fixed buffer
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Derrick Stolee
Junio C Hamano
Stefan Beller
Todd Zullinger
Karthikeyan Singaravelan
Changwoo Ryu