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2023-12-26fast-import: use mem_pool_calloc()René Scharfe
Use mem_pool_calloc() to get a zeroed buffer instead of zeroing it ourselves. This makes the code clearer and less repetitive. Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-09-13Merge branch 'ew/hash-with-openssl-evp'Junio C Hamano
Fix-up new-ish code to support OpenSSL EVP API. * ew/hash-with-openssl-evp: treewide: fix various bugs w/ OpenSSL 3+ EVP API
2023-09-01treewide: fix various bugs w/ OpenSSL 3+ EVP APIEric Wong
The OpenSSL 3+ EVP API for SHA-* cannot support our prior use cases supported by other SHA-* implementations. It has the following differences: 1. ->init_fn is required before all use 2. struct assignments don't work and requires ->clone_fn 3. can't support ->update_fn after ->final_*fn While fixing cases 1 and 2 is merely the matter of calling ->init_fn and ->clone_fn as appropriate, fixing case 3 requires calling ->final_*fn on a temporary context that's cloned from the primary context. Reported-by: Bagas Sanjaya <bagasdotme@gmail.com> Link: https://lore.kernel.org/ZPCL11k38PXTkFga@debian.me/ Helped-by: brian m. carlson <sandals@crustytoothpaste.net> Fixes: 3e440ea0aba0 ("sha256: avoid functions deprecated in OpenSSL 3+") Fixes: bda9c12073e7 ("avoid SHA-1 functions deprecated in OpenSSL 3+") Signed-off-by: Eric Wong <e@80x24.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-07-05treewide: remove unnecessary includes for wrapper.hCalvin Wan
Signed-off-by: Calvin Wan <calvinwan@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-06-21object-store-ll.h: split this header out of object-store.hElijah Newren
The vast majority of files including object-store.h did not need dir.h nor khash.h. Split the header into two files, and let most just depend upon object-store-ll.h, while letting the two callers that need it depend on the full object-store.h. After this patch: $ git grep -h include..object-store | sort | uniq -c 2 #include "object-store.h" 129 #include "object-store-ll.h" Diff best viewed with `--color-moved`. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-06-21repository: remove unnecessary include of path.hElijah Newren
This also made it clear that several .c files that depended upon path.h were missing a #include for it; add the missing includes while at it. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-06-21cache.h: remove this no-longer-used headerElijah Newren
Since this header showed up in some places besides just #include statements, update/clean-up/remove those other places as well. Note that compat/fsmonitor/fsm-path-utils-darwin.c previously got away with violating the rule that all files must start with an include of git-compat-util.h (or a short-list of alternate headers that happen to include it first). This change exposed the violation and caused it to stop building correctly; fix it by having it include git-compat-util.h first, as per policy. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-04-25Merge branch 'en/header-split-cache-h'Junio C Hamano
Header clean-up. * en/header-split-cache-h: (24 commits) protocol.h: move definition of DEFAULT_GIT_PORT from cache.h mailmap, quote: move declarations of global vars to correct unit treewide: reduce includes of cache.h in other headers treewide: remove double forward declaration of read_in_full cache.h: remove unnecessary includes treewide: remove cache.h inclusion due to pager.h changes pager.h: move declarations for pager.c functions from cache.h treewide: remove cache.h inclusion due to editor.h changes editor: move editor-related functions and declarations into common file treewide: remove cache.h inclusion due to object.h changes object.h: move some inline functions and defines from cache.h treewide: remove cache.h inclusion due to object-file.h changes object-file.h: move declarations for object-file.c functions from cache.h treewide: remove cache.h inclusion due to git-zlib changes git-zlib: move declarations for git-zlib functions from cache.h treewide: remove cache.h inclusion due to object-name.h changes object-name.h: move declarations for object-name.c functions from cache.h treewide: remove unnecessary cache.h inclusion treewide: be explicit about dependence on mem-pool.h treewide: be explicit about dependence on oid-array.h ...
2023-04-11object-file.h: move declarations for object-file.c functions from cache.hElijah Newren
Signed-off-by: Elijah Newren <newren@gmail.com> Acked-by: Calvin Wan <calvinwan@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-04-11object-name.h: move declarations for object-name.c functions from cache.hElijah Newren
Signed-off-by: Elijah Newren <newren@gmail.com> Acked-by: Calvin Wan <calvinwan@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-04-06Merge branch 'en/header-split-cleanup'Junio C Hamano
Split key function and data structure definitions out of cache.h to new header files and adjust the users. * en/header-split-cleanup: csum-file.h: remove unnecessary inclusion of cache.h write-or-die.h: move declarations for write-or-die.c functions from cache.h treewide: remove cache.h inclusion due to setup.h changes setup.h: move declarations for setup.c functions from cache.h treewide: remove cache.h inclusion due to environment.h changes environment.h: move declarations for environment.c functions from cache.h treewide: remove unnecessary includes of cache.h wrapper.h: move declarations for wrapper.c functions from cache.h path.h: move function declarations for path.c functions from cache.h cache.h: remove expand_user_path() abspath.h: move absolute path functions from cache.h environment: move comment_line_char from cache.h treewide: remove unnecessary cache.h inclusion from several sources treewide: remove unnecessary inclusion of gettext.h treewide: be explicit about dependence on gettext.h treewide: remove unnecessary cache.h inclusion from a few headers
2023-04-06Merge branch 'ab/remove-implicit-use-of-the-repository'Junio C Hamano
Code clean-up around the use of the_repository. * ab/remove-implicit-use-of-the-repository: libs: use "struct repository *" argument, not "the_repository" post-cocci: adjust comments for recent repo_* migration cocci: apply the "revision.h" part of "the_repository.pending" cocci: apply the "rerere.h" part of "the_repository.pending" cocci: apply the "refs.h" part of "the_repository.pending" cocci: apply the "promisor-remote.h" part of "the_repository.pending" cocci: apply the "packfile.h" part of "the_repository.pending" cocci: apply the "pretty.h" part of "the_repository.pending" cocci: apply the "object-store.h" part of "the_repository.pending" cocci: apply the "diff.h" part of "the_repository.pending" cocci: apply the "commit.h" part of "the_repository.pending" cocci: apply the "commit-reach.h" part of "the_repository.pending" cocci: apply the "cache.h" part of "the_repository.pending" cocci: add missing "the_repository" macros to "pending" cocci: sort "the_repository" rules by header cocci: fix incorrect & verbose "the_repository" rules cocci: remove dead rule from "the_repository.pending.cocci"
2023-04-04Merge branch 'ab/remove-implicit-use-of-the-repository' into ↵Junio C Hamano
en/header-split-cache-h * ab/remove-implicit-use-of-the-repository: libs: use "struct repository *" argument, not "the_repository" post-cocci: adjust comments for recent repo_* migration cocci: apply the "revision.h" part of "the_repository.pending" cocci: apply the "rerere.h" part of "the_repository.pending" cocci: apply the "refs.h" part of "the_repository.pending" cocci: apply the "promisor-remote.h" part of "the_repository.pending" cocci: apply the "packfile.h" part of "the_repository.pending" cocci: apply the "pretty.h" part of "the_repository.pending" cocci: apply the "object-store.h" part of "the_repository.pending" cocci: apply the "diff.h" part of "the_repository.pending" cocci: apply the "commit.h" part of "the_repository.pending" cocci: apply the "commit-reach.h" part of "the_repository.pending" cocci: apply the "cache.h" part of "the_repository.pending" cocci: add missing "the_repository" macros to "pending" cocci: sort "the_repository" rules by header cocci: fix incorrect & verbose "the_repository" rules cocci: remove dead rule from "the_repository.pending.cocci"
2023-03-29fast-import: fix file access when run from subdirJeff King
In cmd_fast_import(), we ignore the "prefix" argument entirely, even though it tells us how we may have changed directory to the root of the repository earlier in the process. Which means that if you run it from a subdir and point to paths in the filesystem, like: cd subdir git fast-import --import-marks=foo <dump then it will look for "foo" in the root of the repository, not the current directory ("subdir/") which the user would have expected. We can fix this by recording the prefix and using it as appropriate whenever we open a file for reading or writing. I found each of these by looking for cases where we call fopen() within fast-import.c, so this should cover all cases. The new test triggers each one, as well as making sure we don't accidentally apply the prefix when --relative-marks is in use (since that option interprets some paths as relative to a specific directory). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-03-28cocci: apply the "object-store.h" part of "the_repository.pending"Ævar Arnfjörð Bjarmason
Apply the part of "the_repository.pending.cocci" pertaining to "object-store.h". Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-03-28cocci: apply the "commit-reach.h" part of "the_repository.pending"Ævar Arnfjörð Bjarmason
Apply the part of "the_repository.pending.cocci" pertaining to "commit-reach.h". Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-03-28cocci: apply the "cache.h" part of "the_repository.pending"Ævar Arnfjörð Bjarmason
Apply the part of "the_repository.pending.cocci" pertaining to "cache.h". Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-03-21environment.h: move declarations for environment.c functions from cache.hElijah Newren
Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-03-21wrapper.h: move declarations for wrapper.c functions from cache.hElijah Newren
Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-03-21abspath.h: move absolute path functions from cache.hElijah Newren
This is another step towards letting us remove the include of cache.h in strbuf.c. It does mean that we also need to add includes of abspath.h in a number of C files. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-03-21treewide: be explicit about dependence on gettext.hElijah Newren
Dozens of files made use of gettext functions, without explicitly including gettext.h. This made it more difficult to find which files could remove a dependence on cache.h. Make C files explicitly include gettext.h if they are using it. However, while compat/fsmonitor/fsm-ipc-darwin.c should also gain an include of gettext.h, it was left out to avoid conflicting with an in-flight topic. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-03-18Merge branch 'jk/unused-post-2.39-part2'Junio C Hamano
More work towards -Wunused. * jk/unused-post-2.39-part2: (21 commits) help: mark unused parameter in git_unknown_cmd_config() run_processes_parallel: mark unused callback parameters userformat_want_item(): mark unused parameter for_each_commit_graft(): mark unused callback parameter rewrite_parents(): mark unused callback parameter fetch-pack: mark unused parameter in callback function notes: mark unused callback parameters prio-queue: mark unused parameters in comparison functions for_each_object: mark unused callback parameters list-objects: mark unused callback parameters mark unused parameters in signal handlers run-command: mark error routine parameters as unused mark "pointless" data pointers in callbacks ref-filter: mark unused callback parameters http-backend: mark unused parameters in virtual functions http-backend: mark argc/argv unused object-name: mark unused parameters in disambiguate callbacks serve: mark unused parameters in virtual functions serve: use repository pointer to get config ls-refs: drop config caching ...
2023-02-24mark unused parameters in signal handlersJeff King
Signal handlers receive their signal number as a parameter, but many don't care what it is (because they only handle one signal, or because their action is the same regardless of the signal). Mark such parameters to silence -Wunused-parameter. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-02-24cache.h: remove dependence on hex.h; make other files include it explicitlyElijah Newren
Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-01git-compat-util.h: use "UNUSED", not "UNUSED(var)"Ævar Arnfjörð Bjarmason
As reported in [1] the "UNUSED(var)" macro introduced in 2174b8c75de (Merge branch 'jk/unused-annotation' into next, 2022-08-24) breaks coccinelle's parsing of our sources in files where it occurs. Let's instead partially go with the approach suggested in [2] of making this not take an argument. As noted in [1] "coccinelle" will ignore such tokens in argument lists that it doesn't know about, and it's less of a surprise to syntax highlighters. This undoes the "help us notice when a parameter marked as unused is actually use" part of 9b240347543 (git-compat-util: add UNUSED macro, 2022-08-19), a subsequent commit will further tweak the macro to implement a replacement for that functionality. 1. https://lore.kernel.org/git/220825.86ilmg4mil.gmgdl@evledraar.gmail.com/ 2. https://lore.kernel.org/git/220819.868rnk54ju.gmgdl@evledraar.gmail.com/ Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-19hashmap: mark unused callback parametersJeff King
Hashmap comparison functions must conform to a particular callback interface, but many don't use all of their parameters. Especially the void cmp_data pointer, but some do not use keydata either (because they can easily form a full struct to pass when doing lookups). Let's mark these to make -Wunused-parameter happy. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-06-17i18n: fix mismatched camelCase config variablesJiang Xin
Some config variables are combinations of multiple words, and we typically write them in camelCase forms in manpage and translatable strings. It's not easy to find mismatches for these camelCase config variables during code reviews, but occasionally they are identified during localization translations. To check for mismatched config variables, I introduced a new feature in the helper program for localization[^1]. The following mismatched config variables have been identified by running the helper program, such as "git-po-helper check-pot". Lowercase in manpage should use camelCase: * Documentation/config/http.txt: http.pinnedpubkey Lowercase in translable strings should use camelCase: * builtin/fast-import.c: pack.indexversion * builtin/gc.c: gc.logexpiry * builtin/index-pack.c: pack.indexversion * builtin/pack-objects.c: pack.indexversion * builtin/repack.c: pack.writebitmaps * commit.c: i18n.commitencoding * gpg-interface.c: user.signingkey * http.c: http.postbuffer * submodule-config.c: submodule.fetchjobs Mismatched camelCases, choose the former: * Documentation/config/transfer.txt: transfer.credentialsInUrl remote.c: transfer.credentialsInURL [^1]: https://github.com/git-l10n/git-po-helper Signed-off-by: Jiang Xin <zhiyou.jx@alibaba-inc.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-03-26Merge branch 'ns/core-fsyncmethod'Junio C Hamano
Replace core.fsyncObjectFiles with two new configuration variables, core.fsync and core.fsyncMethod. * ns/core-fsyncmethod: core.fsync: documentation and user-friendly aggregate options core.fsync: new option to harden the index core.fsync: add configuration parsing core.fsync: introduce granular fsync control infrastructure core.fsyncmethod: add writeout-only mode wrapper: make inclusion of Windows csprng header tightly scoped
2022-03-17Merge branch 'ab/object-file-api-updates'Junio C Hamano
Object-file API shuffling. * ab/object-file-api-updates: object-file API: pass an enum to read_object_with_reference() object-file.c: add a literal version of write_object_file_prepare() object-file API: have hash_object_file() take "enum object_type" object API: rename hash_object_file_literally() to write_*() object-file API: split up and simplify check_object_signature() object API users + docs: check <0, not !0 with check_object_signature() object API docs: move check_object_signature() docs to cache.h object API: correct "buf" v.s. "map" mismatch in *.c and *.h object-file API: have write_object_file() take "enum object_type" object-file API: add a format_object_header() function object-file API: return "void", not "int" from hash_object_file() object-file.c: split up declaration of unrelated variables
2022-03-11core.fsync: introduce granular fsync control infrastructureNeeraj Singh
This commit introduces the infrastructure for the core.fsync configuration knob. The repository components we want to sync are identified by flags so that we can turn on or off syncing for specific components. If core.fsyncObjectFiles is set and the core.fsync configuration also includes FSYNC_COMPONENT_LOOSE_OBJECT, we will fsync any loose objects. This picks the strictest data integrity behavior if core.fsync and core.fsyncObjectFiles are set to conflicting values. This change introduces the currently unused fsync_component helper, which will be used by a later patch that adds fsyncing to the refs backend. Actual configuration and documentation of the fsync components list are in other patches in the series to separate review of the underlying mechanism from the policy of how it's configured. Helped-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Neeraj Singh <neerajsi@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-03-07Merge branch 'ab/c99-designated-initializers'Junio C Hamano
Use designated initializers we started using in mid 2017 in more parts of the codebase that are relatively quiescent. * ab/c99-designated-initializers: fast-import.c: use designated initializers for "partial" struct assignments refspec.c: use designated initializers for "struct refspec_item" convert.c: use designated initializers for "struct stream_filter*" userdiff.c: use designated initializers for "struct userdiff_driver" archive-*.c: use designated initializers for "struct archiver" object-file: use designated initializers for "struct git_hash_algo" trace2: use designated initializers for "struct tr2_dst" trace2: use designated initializers for "struct tr2_tgt" imap-send.c: use designated initializers for "struct imap_server_conf"
2022-02-26object-file API: pass an enum to read_object_with_reference()Ævar Arnfjörð Bjarmason
Change the read_object_with_reference() function to take an "enum object_type". It was not prepared to handle an arbitrary "const char *type", as it was itself calling type_from_string(). Let's change the only caller that passes in user data to use type_from_string(), and convert the rest to use e.g. "OBJ_TREE" instead of "tree_type". The "cat-file" caller is not on the codepath that handles"--allow-unknown", so the type_from_string() there is safe. Its use of type_from_string() doesn't functionally differ from that of the pre-image. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-02-26object-file API: add a format_object_header() functionÆvar Arnfjörð Bjarmason
Add a convenience function to wrap the xsnprintf() command that generates loose object headers. This code was copy/pasted in various parts of the codebase, let's define it in one place and re-use it from there. All except one caller of it had a valid "enum object_type" for us, it's only write_object_file_prepare() which might need to deal with "git hash-object --literally" and a potential garbage type. Let's have the primary API use an "enum object_type", and define a *_literally() function that can take an arbitrary "const char *" for the type. See [1] for the discussion that prompted this patch, i.e. new code in object-file.c that wanted to copy/paste the xsnprintf() invocation. In the case of fast-import.c the callers unfortunately need to cast back & forth between "unsigned char *" and "char *", since format_object_header() ad encode_in_pack_object_header() take different signedness. 1. https://lore.kernel.org/git/211213.86bl1l9bfz.gmgdl@evledraar.gmail.com/ Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Jiang Xin <zhiyou.jx@alibaba-inc.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-02-25fast-import.c: use designated initializers for "partial" struct assignmentsÆvar Arnfjörð Bjarmason
Change a few existing non-designated initializer assignments to use "partial" designated initializer assignments. I.e. we're now omitting the "NULL" or "0" fields and letting the initializer take care of them for us. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-02-16date API: create a date.h, split from cache.hÆvar Arnfjörð Bjarmason
Move the declaration of the date.c functions from cache.h, and adjust the relevant users to include the new date.h header. The show_ident_date() function belonged in pretty.h (it's defined in pretty.c), its two users outside of pretty.c didn't strictly need to include pretty.h, as they get it indirectly, but let's add it to them anyway. Similarly, the change to "builtin/{fast-import,show-branch,tag}.c" isn't needed as far as the compiler is concerned, but since they all use the "DATE_MODE()" macro we now define in date.h, let's have them include it. We could simply include this new header in "cache.h", but as this change shows these functions weren't common enough to warrant including in it in the first place. By moving them out of cache.h changes to this API will no longer cause a (mostly) full re-build of the project when "make" is run. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-08usage.c API users: use die_message() for "fatal :" + exit 128Ævar Arnfjörð Bjarmason
Change code that printed its own "fatal: " message and exited with a status code of 128 to use the die_message() function added in a preceding commit. This change also demonstrates why the return value of die_message_routine() needed to be that of "report_fn". We have callers such as the run-command.c::child_err_spew() which would like to replace its error routine with the return value of "get_die_message_routine()". Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-04-27Use the final_oid_fn to finalize hashing of object IDsbrian m. carlson
When we're hashing a value which is going to be an object ID, we want to zero-pad that value if necessary. To do so, use the final_oid_fn instead of the final_fn anytime we're going to create an object ID to ensure we perform this operation. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-04-27Always use oidread to read into struct object_idbrian m. carlson
In the future, we'll want oidread to automatically set the hash algorithm member for an object ID we read into it, so ensure we use oidread instead of hashcpy everywhere we're copying a hash value into a struct object_id. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-14use CALLOC_ARRAYRené Scharfe
Add and apply a semantic patch for converting code that open-codes CALLOC_ARRAY to use it instead. It shortens the code and infers the element size automatically. Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-11-03Merge branch 'jk/fast-import-marks-cleanup'Junio C Hamano
Code clean-up. * jk/fast-import-marks-cleanup: fast-import: remove duplicated option-parsing line
2020-10-16fast-import: remove duplicated option-parsing lineJeff King
Commit 1bdca81641 (fast-import: add options for rewriting submodules, 2020-02-22) accidentally added two lines parsing the option "rewrite-submodules-from". This didn't do anything in practice, because they're in an if/else chain and so the second one can never trigger. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-10-15fast-import: fix over-allocation of marks storageJeff King
Fast-import stores its marks in a trie-like structure made of mark_set structs. Each struct has a fixed size (1024). If our id number is too large to fit in the struct, then we allocate a new struct which shifts the id number by 10 bits. Our original struct becomes a child node of this new layer, and the new struct becomes the top level of the trie. This scheme was broken by ddddf8d7e2 (fast-import: permit reading multiple marks files, 2020-02-22). Before then, we had a top-level "marks" pointer, and the push-down worked by assigning the new top-level struct to "marks". But after that commit, insert_mark() takes a pointer to the mark_set, rather than using the global "marks". It continued to assign to the global "marks" variable during the push down, which was wrong for two reasons: - we added a call in option_rewrite_submodules() which uses a separate mark set; pushing down on "marks" is outright wrong here. We'd corrupt the "marks" set, and we'd fail to correctly store any submodule mappings with an id over 1024. - the other callers passed "marks", but the push-down was still wrong. In read_mark_file(), we take the pointer to the mark_set as a parameter. So even though insert_mark() was updating the global "marks", the local pointer we had in read_mark_file() was not updated. As a result, we'd add a new level when needed, but then the next call to insert_mark() wouldn't see it! It would then allocate a new layer, which would also not be seen, and so on. Lookups for the lost layers obviously wouldn't work, but before we even hit any lookup stage, we'd generally run out of memory and die. Our tests didn't notice either of these cases because they didn't have enough marks to trigger the push-down behavior. The new tests in t9304 cover both cases (and fail without this patch). We can solve the problem by having insert_mark() take a pointer-to-pointer of the top-level of the set. Then our push down can assign to it in a way that the caller actually sees. Note the subtle reordering in option_rewrite_submodules(). Our call to read_mark_file() may modify our top-level set pointer, so we have to wait until after it returns to assign its value into the string_list. Reported-by: Sergey Brester <serg.brester@sebres.de> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-09-06fast-import: use write_pack_header()René Scharfe
Call write_pack_header() to hash and write a pack header instead of open-coding this function. This gets rid of duplicate code and of the magic version number 2 -- which has been used here since c90be46abd (Changed fast-import's pack header creation to use pack.h, 2006-08-16) and in pack.h (again) since 29f049a0c2 (Revert "move pack creation to version 3", 2006-10-14). Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-09-03Merge branch 'jk/slimmed-down'Junio C Hamano
Trim an unused binary and turn a bunch of commands into built-in. * jk/slimmed-down: drop vcs-svn experiment make git-fast-import a builtin make git-bugreport a builtin make credential helpers builtins Makefile: drop builtins from MSVC pdb list
2020-08-13make git-fast-import a builtinJeff King
There's no reason that git-fast-import benefits from being a separate binary. And as it links against libgit.a, it has a non-trivial disk footprint. Let's make it a builtin, which reduces the size of a stripped installation from 22MB to 21MB. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>