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2021-04-13Merge branch 'tb/pack-preferred-tips-to-give-bitmap'Libravatar Junio C Hamano1-0/+34
A configuration variable has been added to force tips of certain refs to be given a reachability bitmap. * tb/pack-preferred-tips-to-give-bitmap: builtin/pack-objects.c: respect 'pack.preferBitmapTips' t/helper/test-bitmap.c: initial commit pack-bitmap: add 'test_bitmap_commits()' helper
2021-04-08Merge branch 'en/sequencer-edit-upon-conflict-fix'Libravatar Junio C Hamano1-3/+1
"git cherry-pick/revert" with or without "--[no-]edit" did not spawn the editor as expected (e.g. "revert --no-edit" after a conflict still asked to edit the message), which has been corrected. * en/sequencer-edit-upon-conflict-fix: sequencer: fix edit handling for cherry-pick and revert messages
2021-04-08Merge branch 'll/clone-reject-shallow'Libravatar Junio C Hamano1-0/+21
"git clone --reject-shallow" option fails the clone as soon as we notice that we are cloning from a shallow repository. * ll/clone-reject-shallow: builtin/clone.c: add --reject-shallow option
2021-04-08Merge branch 'tb/reverse-midx'Libravatar Junio C Hamano2-35/+149
An on-disk reverse-index to map the in-pack location of an object back to its object name across multiple packfiles is introduced. * tb/reverse-midx: midx.c: improve cache locality in midx_pack_order_cmp() pack-revindex: write multi-pack reverse indexes pack-write.c: extract 'write_rev_file_order' pack-revindex: read multi-pack reverse indexes Documentation/technical: describe multi-pack reverse indexes midx: make some functions non-static midx: keep track of the checksum midx: don't free midx_name early midx: allow marking a pack as preferred t/helper/test-read-midx.c: add '--show-objects' builtin/multi-pack-index.c: display usage on unrecognized command builtin/multi-pack-index.c: don't enter bogus cmd_mode builtin/multi-pack-index.c: split sub-commands builtin/multi-pack-index.c: define common usage with a macro builtin/multi-pack-index.c: don't handle 'progress' separately builtin/multi-pack-index.c: inline 'flags' with options
2021-04-07Merge branch 'ab/fsck-api-cleanup'Libravatar Junio C Hamano4-42/+19
Fsck API clean-up. * ab/fsck-api-cleanup: fetch-pack: use new fsck API to printing dangling submodules fetch-pack: use file-scope static struct for fsck_options fetch-pack: don't needlessly copy fsck_options fsck.c: move gitmodules_{found,done} into fsck_options fsck.c: add an fsck_set_msg_type() API that takes enums fsck.c: pass along the fsck_msg_id in the fsck_error callback fsck.[ch]: move FOREACH_FSCK_MSG_ID & fsck_msg_id from *.c to *.h fsck.c: give "FOREACH_MSG_ID" a more specific name fsck.c: undefine temporary STR macro after use fsck.c: call parse_msg_type() early in fsck_set_msg_type() fsck.h: re-order and re-assign "enum fsck_msg_type" fsck.h: move FSCK_{FATAL,INFO,ERROR,WARN,IGNORE} into an enum fsck.c: refactor fsck_msg_type() to limit scope of "int msg_type" fsck.c: rename remaining fsck_msg_id "id" to "msg_id" fsck.c: remove (mostly) redundant append_msg_id() function fsck.c: rename variables in fsck_set_msg_type() for less confusion fsck.h: use "enum object_type" instead of "int" fsck.h: use designed initializers for FSCK_OPTIONS_{DEFAULT,STRICT} fsck.c: refactor and rename common config callback
2021-04-07Merge branch 'cc/downcase-opt-help'Libravatar Junio C Hamano2-5/+5
A few option description strings started with capital letters, which were corrected. * cc/downcase-opt-help: column, range-diff: downcase option description
2021-04-07Merge branch 'zh/commit-trailer'Libravatar Junio C Hamano1-0/+22
"git commit" learned "--trailer <key>[=<value>]" option; together with the interpret-trailers command, this will make it easier to support custom trailers. * zh/commit-trailer: commit: add --trailer option
2021-04-07Merge branch 'ah/plugleaks'Libravatar Junio C Hamano7-38/+36
Plug or annotate remaining leaks that trigger while running the very basic set of tests. * ah/plugleaks: transport: also free remote_refs in transport_disconnect() parse-options: don't leak alias help messages parse-options: convert bitfield values to use binary shift init-db: silence template_dir leak when converting to absolute path init: remove git_init_db_config() while fixing leaks worktree: fix leak in dwim_branch() clone: free or UNLEAK further pointers when finished reset: free instead of leaking unneeded ref symbolic-ref: don't leak shortened refname in check_symref()
2021-04-02Merge branch 'zh/format-patch-fractional-reroll-count'Libravatar Junio C Hamano1-9/+16
"git format-patch -v<n>" learned to allow a reroll count that is not an integer. * zh/format-patch-fractional-reroll-count: format-patch: allow a non-integral version numbers
2021-04-02Merge branch 'jh/simple-ipc'Libravatar Junio C Hamano2-2/+3
A simple IPC interface gets introduced to build services like fsmonitor on top. * jh/simple-ipc: t0052: add simple-ipc tests and t/helper/test-simple-ipc tool simple-ipc: add Unix domain socket implementation unix-stream-server: create unix domain socket under lock unix-socket: disallow chdir() when creating unix domain sockets unix-socket: add backlog size option to unix_stream_listen() unix-socket: eliminate static unix_stream_socket() helper function simple-ipc: add win32 implementation simple-ipc: design documentation for new IPC mechanism pkt-line: add options argument to read_packetized_to_strbuf() pkt-line: add PACKET_READ_GENTLE_ON_READ_ERROR option pkt-line: do not issue flush packets in write_packetized_*() pkt-line: eliminate the need for static buffer in packet_write_gently()
2021-04-02Merge branch 'mt/parallel-checkout-part-1'Libravatar Junio C Hamano4-0/+5
Preparatory API changes for parallel checkout. * mt/parallel-checkout-part-1: entry: add checkout_entry_ca() taking preloaded conv_attrs entry: move conv_attrs lookup up to checkout_entry() entry: extract update_ce_after_write() from write_entry() entry: make fstat_output() and read_blob_entry() public entry: extract a header file for entry.c functions convert: add classification for conv_attrs struct convert: add get_stream_filter_ca() variant convert: add [async_]convert_to_working_tree_ca() variants convert: make convert_attrs() and convert structs public
2021-04-01midx: allow marking a pack as preferredLibravatar Taylor Blau2-4/+17
When multiple packs in the multi-pack index contain the same object, the MIDX machinery must make a choice about which pack it associates with that object. Prior to this patch, the lowest-ordered[1] pack was always selected. Pack selection for duplicate objects is relatively unimportant today, but it will become important for multi-pack bitmaps. This is because we can only invoke the pack-reuse mechanism when all of the bits for reused objects come from the reuse pack (in order to ensure that all reused deltas can find their base objects in the same pack). To encourage the pack selection process to prefer one pack over another (the pack to be preferred is the one a caller would like to later use as a reuse pack), introduce the concept of a "preferred pack". When provided, the MIDX code will always prefer an object found in a preferred pack over any other. No format changes are required to store the preferred pack, since it will be able to be inferred with a corresponding MIDX bitmap, by looking up the pack associated with the object in the first bit position (this ordering is described in detail in a subsequent commit). [1]: the ordering is specified by MIDX internals; for our purposes we can consider the "lowest ordered" pack to be "the one with the most-recent mtime. Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-04-01builtin/clone.c: add --reject-shallow optionLibravatar Li Linchao1-0/+21
In some scenarios, users may want more history than the repository offered for cloning, which happens to be a shallow repository, can give them. But because users don't know it is a shallow repository until they download it to local, we may want to refuse to clone this kind of repository, without creating any unnecessary files. The '--depth=x' option cannot be used as a solution; the source may be deep enough to give us 'x' commits when cloned, but the user may later need to deepen the history to arbitrary depth. Teach '--reject-shallow' option to "git clone" to abort as soon as we find out that we are cloning from a shallow repository. Signed-off-by: Li Linchao <lilinchao@oschina.cn> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-31builtin/pack-objects.c: respect 'pack.preferBitmapTips'Libravatar Taylor Blau1-0/+34
When writing a new pack with a bitmap, it is sometimes convenient to indicate some reference prefixes which should receive priority when selecting which commits to receive bitmaps. A truly motivated caller could accomplish this by setting 'pack.islandCore', (since all commits in the core island are similarly marked as preferred) but this requires callers to opt into using delta islands, which they may or may not want to do. Introduce a new multi-valued configuration, 'pack.preferBitmapTips' to allow callers to specify a list of reference prefixes. All references which have a prefix contained in 'pack.preferBitmapTips' will mark their tips as "preferred" in the same way as commits are marked as preferred for selection by 'pack.islandCore'. The choice of the verb "prefer" is intentional: marking the NEEDS_BITMAP flag on an object does *not* guarantee that that object will receive a bitmap. It merely guarantees that that commit will receive a bitmap over any *other* commit in the same window by bitmap_writer_select_commits(). The test this patch adds reflects this quirk, too. It only tests that a commit (which didn't receive bitmaps by default) is selected for bitmaps after changing the value of 'pack.preferBitmapTips' to include it. Other commits may lose their bitmaps as a byproduct of how the selection process works (bitmap_writer_select_commits() ignores the remainder of a window after seeing a commit with the NEEDS_BITMAP flag). This configuration will aide in selecting important references for multi-pack bitmaps, since they do not respect the same pack.islandCore configuration. (They could, but doing so may be confusing, since it is packs--not bitmaps--which are influenced by the delta-islands configuration). In a fork network repository (one which lists all forks of a given repository as remotes), for example, it is useful to set pack.preferBitmapTips to 'refs/remotes/<root>/heads' and 'refs/remotes/<root>/tags', where '<root>' is an opaque identifier referring to the repository which is at the base of the fork chain. Suggested-by: Jeff King <peff@peff.net> Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-31sequencer: fix edit handling for cherry-pick and revert messagesLibravatar Elijah Newren1-3/+1
save_opts() should save any non-default values. It was intended to do this, but since most options in struct replay_opts default to 0, it only saved non-zero values. Unfortunately, this does not always work for options.edit. Roughly speaking, options.edit had a default value of 0 for cherry-pick but a default value of 1 for revert. Make save_opts() record a value whenever it differs from the default. options.edit was also overly simplistic; we had more than two cases. The behavior that previously existed was as follows: Non-conflict commits Right after Conflict revert Edit iff isatty(0) Edit (ignore isatty(0)) cherry-pick No edit See above Specify --edit Edit (ignore isatty(0)) See above Specify --no-edit (*) See above (*) Before stopping for conflicts, No edit is the behavior. After stopping for conflicts, the --no-edit flag is not saved so see the first two rows. However, the expected behavior is: Non-conflict commits Right after Conflict revert Edit iff isatty(0) Edit iff isatty(0) cherry-pick No edit Edit iff isatty(0) Specify --edit Edit (ignore isatty(0)) Edit (ignore isatty(0)) Specify --no-edit No edit No edit In order to get the expected behavior, we need to change options.edit to a tri-state: unspecified, false, or true. When specified, we follow what it says. When unspecified, we need to check whether the current commit being created is resolving a conflict as well as consulting options.action and isatty(0). While at it, add a should_edit() utility function that compresses options.edit down to a boolean based on the additional information for the non-conflict case. continue_single_pick() is the function responsible for resuming after conflict cases, regardless of whether there is one commit being picked or many. Make this function stop assuming edit behavior in all cases, so that it can correctly handle !isatty(0) and specific requests to not edit the commit message. Reported-by: Renato Botelho <garga@freebsd.org> Signed-off-by: Elijah Newren <newren@gmail.com> Reviewed-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-30Merge branch 'hx/pack-objects-chunk-comment'Libravatar Junio C Hamano1-2/+2
Comment update. * hx/pack-objects-chunk-comment: pack-objects: fix comment of reused_chunk.difference
2021-03-30Merge branch 'ab/remove-rebase-usebuiltin'Libravatar Junio C Hamano1-11/+0
Remove the final hint that we used to have a scripted "git rebase". * ab/remove-rebase-usebuiltin: rebase: remove transitory rebase.useBuiltin setting & env
2021-03-30Merge branch 'ab/read-tree'Libravatar Junio C Hamano4-12/+85
Code simplification by removing support for a caller that is long gone. * ab/read-tree: tree.h API: simplify read_tree_recursive() signature tree.h API: expose read_tree_1() as read_tree_at() archive: stop passing "stage" through read_tree_recursive() ls-files: refactor away read_tree() ls-files: don't needlessly pass around stage variable tree.c API: move read_tree() into builtin/ls-files.c ls-files tests: add meaningful --with-tree tests show tests: add test for "git show <tree>"
2021-03-30builtin/multi-pack-index.c: display usage on unrecognized commandLibravatar Taylor Blau1-4/+7
When given a sub-command that it doesn't understand, 'git multi-pack-index' dies with the following message: $ git multi-pack-index bogus fatal: unrecognized subcommand: bogus Instead of 'die()'-ing, we can display the usage text, which is much more helpful: $ git.compile multi-pack-index bogus error: unrecognized subcommand: bogus usage: git multi-pack-index [<options>] write or: git multi-pack-index [<options>] verify or: git multi-pack-index [<options>] expire or: git multi-pack-index [<options>] repack [--batch-size=<size>] --object-dir <file> object directory containing set of packfile and pack-index pairs --progress force progress reporting While we're at it, clean up some duplication between the "no sub-command" and "unrecognized sub-command" conditionals. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-30builtin/multi-pack-index.c: don't enter bogus cmd_modeLibravatar Taylor Blau1-2/+8
Even before the recent refactoring, 'git multi-pack-index' calls 'trace2_cmd_mode()' before verifying that the sub-command is recognized. Push this call down into the individual sub-commands so that we don't enter a bogus command mode. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-30builtin/multi-pack-index.c: split sub-commandsLibravatar Taylor Blau1-25/+105
Handle sub-commands of the 'git multi-pack-index' builtin (e.g., "write", "repack", etc.) separately from one another. This allows sub-commands with unique options, without forcing cmd_multi_pack_index() to reject invalid combinations itself. This comes at the cost of some duplication and boilerplate. Luckily, the duplication is reduced to a minimum, since common options are shared among sub-commands due to a suggestion by Ævar. (Sub-commands do have to retain the common options, too, since this builtin accepts common options on either side of the sub-command). Roughly speaking, cmd_multi_pack_index() parses options (including common ones), and stops at the first non-option, which is the sub-command. It then dispatches to the appropriate sub-command, which parses the remaining options (also including common options). Unknown options are kept by the sub-commands in order to detect their presence (and complain that too many arguments were given). Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-30builtin/multi-pack-index.c: define common usage with a macroLibravatar Taylor Blau1-1/+16
Factor out the usage message into pieces corresponding to each mode. This avoids options specific to one sub-command from being shared with another in the usage. A subsequent commit will use these #define macros to have usage variables for each sub-command without duplicating their contents. Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-30builtin/multi-pack-index.c: don't handle 'progress' separatelyLibravatar Taylor Blau1-5/+3
Now that there is a shared 'flags' member in the options structure, there is no need to keep track of whether to force progress or not, since ultimately the decision of whether or not to show a progress meter is controlled by a bit in the flags member. Manipulate that bit directly, and drop the now-unnecessary 'progress' field while we're at it. Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-30builtin/multi-pack-index.c: inline 'flags' with optionsLibravatar Taylor Blau1-7/+6
Subcommands of the 'git multi-pack-index' command (e.g., 'write', 'verify', etc.) will want to optionally change a set of shared flags that are eventually passed to the MIDX libraries. Right now, options and flags are handled separately. That's fine, since the options structure is never passed around. But a future patch will make it so that common options shared by all sub-commands are defined in a common location. That means that "flags" would have to become a global variable. Group it with the options structure so that we reduce the number of global variables we have overall. Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-29column, range-diff: downcase option descriptionLibravatar Chinmoy Chakraborty2-5/+5
It is customary not to begin the help text for each option given to the parse-options API with a capital letter. Various (sub)commands' option arrays don't follow the guideline provided by the parse_options Documentation regarding the descriptions. Downcase the first word of some option descriptions for "column" and "range-diff". Signed-off-by: Chinmoy Chakraborty <chinmoy12c@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-28fetch-pack: use new fsck API to printing dangling submodulesLibravatar Ævar Arnfjörð Bjarmason1-20/+1
Refactor the check added in 5476e1efde (fetch-pack: print and use dangling .gitmodules, 2021-02-22) to make use of us now passing the "msg_id" to the user defined "error_func". We can now compare against the FSCK_MSG_GITMODULES_MISSING instead of parsing the generated message. Let's also replace register_found_gitmodules() with directly manipulating the "gitmodules_found" member. A recent commit moved it into "fsck_options" so we could do this here. I'm sticking this callback in fsck.c. Perhaps in the future we'd like to accumulate such callbacks into another file (maybe fsck-cb.c, similar to parse-options-cb.c?), but while we've got just the one let's just put it into fsck.c. A better alternative in this case would be some library some more obvious library shared by fetch-pack.c ad builtin/index-pack.c, but there isn't such a thing. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-28fetch-pack: don't needlessly copy fsck_optionsLibravatar Ævar Arnfjörð Bjarmason1-7/+3
Change the behavior of the .gitmodules validation added in 5476e1efde (fetch-pack: print and use dangling .gitmodules, 2021-02-22) so we're using one "fsck_options". I found that code confusing to read. One might think that not setting up the error_func earlier means that we're relying on the "error_func" not being set in some code in between the two hunks being modified here. But we're not, all we're doing in the rest of "cmd_index_pack()" is further setup by calling fsck_set_msg_types(), and assigning to do_fsck_object. So there was no reason in 5476e1efde to make a shallow copy of the fsck_options struct before setting error_func. Let's just do this setup at the top of the function, along with the "walk" assignment. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-28fsck.c: add an fsck_set_msg_type() API that takes enumsLibravatar Ævar Arnfjörð Bjarmason1-1/+2
Change code I added in acf9de4c94e (mktag: use fsck instead of custom verify_tag(), 2021-01-05) to make use of a new API function that takes the fsck_msg_{id,type} types, instead of arbitrary strings that we'll (hopefully) parse into those types. At the time that the fsck_set_msg_type() API was introduced in 0282f4dced0 (fsck: offer a function to demote fsck errors to warnings, 2015-06-22) it was only intended to be used to parse user-supplied data. For things that are purely internal to the C code it makes sense to have the compiler check these arguments, and to skip the sanity checking of the data in fsck_set_msg_type() which is redundant to checks we get from the compiler. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-28fsck.c: pass along the fsck_msg_id in the fsck_error callbackLibravatar Ævar Arnfjörð Bjarmason3-2/+6
Change the fsck_error callback to also pass along the fsck_msg_id. Before this change the only way to get the message id was to parse it back out of the "message". Let's pass it down explicitly for the benefit of callers that might want to use it, as discussed in [1]. Passing the msg_type is now redundant, as you can always get it back from the msg_id, but I'm not changing that convention. It's really common to need the msg_type, and the report() function itself (which calls "fsck_error") needs to call fsck_msg_type() to discover it. Let's not needlessly re-do that work in the user callback. 1. https://lore.kernel.org/git/87blcja2ha.fsf@evledraar.gmail.com/ Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-28fsck.h: move FSCK_{FATAL,INFO,ERROR,WARN,IGNORE} into an enumLibravatar Ævar Arnfjörð Bjarmason3-3/+5
Move the FSCK_{FATAL,INFO,ERROR,WARN,IGNORE} defines into a new fsck_msg_type enum. These defines were originally introduced in: - ba002f3b28a (builtin-fsck: move common object checking code to fsck.c, 2008-02-25) - f50c4407305 (fsck: disallow demoting grave fsck errors to warnings, 2015-06-22) - efaba7cc77f (fsck: optionally ignore specific fsck issues completely, 2015-06-22) - f27d05b1704 (fsck: allow upgrading fsck warnings to errors, 2015-06-22) The reason these were defined in two different places is because we use FSCK_{IGNORE,INFO,FATAL} only in fsck.c, but FSCK_{ERROR,WARN} are used by external callbacks. Untangling that would take some more work, since we expose the new "enum fsck_msg_type" to both. Similar to "enum object_type" it's not worth structuring the API in such a way that only those who need FSCK_{ERROR,WARN} pass around a different type. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-28fsck.h: use "enum object_type" instead of "int"Libravatar Ævar Arnfjörð Bjarmason3-3/+6
Change the fsck_walk_func to use an "enum object_type" instead of an "int" type. The types are compatible, and ever since this was added in 355885d5315 (add generic, type aware object chain walker, 2008-02-25) we've used entries from object_type (OBJ_BLOB etc.). So this doesn't really change anything as far as the generated code is concerned, it just gives the compiler more information and makes this easier to read. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-26Merge branch 'cm/rebase-i-fixup-amend-reword'Libravatar Junio C Hamano1-10/+112
"git commit --fixup=<commit>", which was to tweak the changes made to the contents while keeping the original log message intact, learned "--fixup=(amend|reword):<commit>", that can be used to tweak both the message and the contents, and only the message, respectively. * cm/rebase-i-fixup-amend-reword: doc/git-commit: add documentation for fixup=[amend|reword] options t3437: use --fixup with options to create amend! commit t7500: add tests for --fixup=[amend|reword] options commit: add a reword suboption to --fixup commit: add amend suboption to --fixup to create amend! commit sequencer: export and rename subject_length()
2021-03-24Merge branch 'tb/geometric-repack'Libravatar Junio C Hamano2-57/+480
"git repack" so far has been only capable of repacking everything under the sun into a single pack (or split by size). A cleverer strategy to reduce the cost of repacking a repository has been introduced. * tb/geometric-repack: builtin/pack-objects.c: ignore missing links with --stdin-packs builtin/repack.c: reword comment around pack-objects flags builtin/repack.c: be more conservative with unsigned overflows builtin/repack.c: assign pack split later t7703: test --geometric repack with loose objects builtin/repack.c: do not repack single packs with --geometric builtin/repack.c: add '--geometric' option packfile: add kept-pack cache for find_kept_pack_entry() builtin/pack-objects.c: rewrite honor-pack-keep logic p5303: measure time to repack with keep p5303: add missing &&-chains builtin/pack-objects.c: add '--stdin-packs' option revision: learn '--no-kept-objects' packfile: introduce 'find_kept_pack_entry()'
2021-03-24pack-objects: fix comment of reused_chunk.differenceLibravatar Han Xin1-2/+2
As record_reused_object(offset, offset - hashfile_total(out)) said, reused_chunk.difference should be the offset of original packfile minus the offset of the generated packfile. But the comment presented an opposite way. Signed-off-by: Han Xin <hanxin.hx@alibaba-inc.com> Acked-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-23rebase: remove transitory rebase.useBuiltin setting & envLibravatar Ævar Arnfjörð Bjarmason1-11/+0
Remove the rebase.useBuiltin setting and the now-obsolete GIT_TEST_REBASE_USE_BUILTIN test flag. This was left in place after my d03ebd411c6 (rebase: remove the rebase.useBuiltin setting, 2019-03-18) to help anyone who'd used the experimental flag and wanted to know that it was the default, or that they should transition their test environment to use the builtin rebase unconditionally. It's been more than long enough for those users to get a headsup about this. So remove all the scaffolding that was left inplace after d03ebd411c6. I'm also removing the documentation entry, if anyone still has this left in their configuration they can do some source archaeology to figure out what it used to do, which makes more sense than exposing every git user reading the documentation to this legacy configuration switch. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Acked-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-23format-patch: allow a non-integral version numbersLibravatar ZheNing Hu1-9/+16
The `-v<n>` option of `format-patch` can give nothing but an integral iteration number to patches in a series.  Some people, however, prefer to mark a new iteration with only a small fixup with a non integral iteration number (e.g. an "oops, that was wrong" fix-up patch for v4 iteration may be labeled as "v4.1"). Allow `format-patch` to take such a non-integral iteration number. `<n>` can be any string, such as '3.1' or '4rev2'. In the case where it is a non-integral value, the "Range-diff" and "Interdiff" headers will not include the previous version. Signed-off-by: ZheNing Hu <adlternative@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-23entry: extract a header file for entry.c functionsLibravatar Matheus Tavares4-0/+4
The declarations of entry.c's public functions and structures currently reside in cache.h. Although not many, they contribute to the size of cache.h and, when changed, cause the unnecessary recompilation of modules that don't really use these functions. So let's move them to a new entry.h header. While at it let's also move a comment related to checkout_entry() from entry.c to entry.h as it's more useful to describe the function there. Original-patch-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-23commit: add --trailer optionLibravatar ZheNing Hu1-0/+22
Historically, Git has supported the 'Signed-off-by' commit trailer using the '--signoff' and the '-s' option from the command line. But users may need to provide other trailer information from the command line such as "Helped-by", "Reported-by", "Mentored-by", Now implement a new `--trailer <token>[(=|:)<value>]` option to pass other trailers to `interpret-trailers` and insert them into commit messages. Signed-off-by: ZheNing Hu <adlternative@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-22Merge branch 'bc/clone-bare-with-conflicting-config'Libravatar Junio C Hamano1-2/+2
"git -c core.bare=false clone --bare ..." would have segfaulted, which has been corrected. * bc/clone-bare-with-conflicting-config: builtin/init-db: handle bare clones when core.bare set to false
2021-03-22Merge branch 'dl/stash-show-untracked'Libravatar Junio C Hamano1-1/+61
"git stash show" learned to optionally show untracked part of the stash. * dl/stash-show-untracked: stash show: learn stash.showIncludeUntracked stash show: teach --include-untracked and --only-untracked
2021-03-22Merge branch 'ab/grep-pcre2-allocfix'Libravatar Junio C Hamano1-1/+0
Updates to memory allocation code around the use of pcre2 library. * ab/grep-pcre2-allocfix: grep/pcre2: move definitions of pcre2_{malloc,free} grep/pcre2: move back to thread-only PCREv2 structures grep/pcre2: actually make pcre2 use custom allocator grep/pcre2: use pcre2_maketables_free() function grep/pcre2: use compile-time PCREv2 version test grep/pcre2: add GREP_PCRE2_DEBUG_MALLOC debug mode grep/pcre2: prepare to add debugging to pcre2_malloc() grep/pcre2: correct reference to grep_init() in comment grep/pcre2: drop needless assignment to NULL grep/pcre2: drop needless assignment + assert() on opt->pcre2
2021-03-22Merge branch 'ab/remote-write-config-in-camel-case'Libravatar Junio C Hamano1-2/+2
Update C code that sets a few configuration variables when a remote is configured so that it spells configuration variable names in the canonical camelCase. * ab/remote-write-config-in-camel-case: remote: write camel-cased *.pushRemote on rename remote: add camel-cased *.tagOpt key, like clone
2021-03-22Merge branch 'jk/open-dotgitx-with-nofollow'Libravatar Junio C Hamano1-4/+4
It does not make sense to make ".gitattributes", ".gitignore" and ".mailmap" symlinks, as they are supposed to be usable from the object store (think: bare repositories where HEAD:.mailmap etc. are used). When these files are symbolic links, we used to read the contents of the files pointed by them by mistake, which has been corrected. * jk/open-dotgitx-with-nofollow: mailmap: do not respect symlinks for in-tree .mailmap exclude: do not respect symlinks for in-tree .gitignore attr: do not respect symlinks for in-tree .gitattributes exclude: add flags parameter to add_patterns() attr: convert "macro_ok" into a flags field add open_nofollow() helper
2021-03-21transport: also free remote_refs in transport_disconnect()Libravatar Andrzej Hunt2-6/+6
transport_get_remote_refs() can populate the transport struct's remote_refs. transport_disconnect() is already responsible for most of transport's cleanup - therefore we also take care of freeing remote_refs there. There are 2 locations where transport_disconnect() is called before we're done using the returned remote_refs. This patch changes those callsites to only call transport_disconnect() after the returned refs are no longer being used - which is necessary to safely be able to free remote_refs during transport_disconnect(). This commit fixes the following leak which was found while running t0000, but is expected to also fix the same pattern of leak in all locations that use transport_get_remote_refs(): Direct leak of 165 byte(s) in 1 object(s) allocated from: #0 0x49a6b2 in calloc /home/abuild/rpmbuild/BUILD/llvm-11.0.0.src/build/../projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:154:3 #1 0x9a72f2 in xcalloc /home/ahunt/oss-fuzz/git/wrapper.c:140:8 #2 0x8ce203 in alloc_ref_with_prefix /home/ahunt/oss-fuzz/git/remote.c:867:20 #3 0x8ce1a2 in alloc_ref /home/ahunt/oss-fuzz/git/remote.c:875:9 #4 0x72f63e in process_ref_v2 /home/ahunt/oss-fuzz/git/connect.c:426:8 #5 0x72f21a in get_remote_refs /home/ahunt/oss-fuzz/git/connect.c:525:8 #6 0x979ab7 in handshake /home/ahunt/oss-fuzz/git/transport.c:305:4 #7 0x97872d in get_refs_via_connect /home/ahunt/oss-fuzz/git/transport.c:339:9 #8 0x9774b5 in transport_get_remote_refs /home/ahunt/oss-fuzz/git/transport.c:1388:4 #9 0x51cf80 in cmd_clone /home/ahunt/oss-fuzz/git/builtin/clone.c:1271:9 #10 0x4cd60d in run_builtin /home/ahunt/oss-fuzz/git/git.c:453:11 #11 0x4cb2da in handle_builtin /home/ahunt/oss-fuzz/git/git.c:704:3 #12 0x4ccc37 in run_argv /home/ahunt/oss-fuzz/git/git.c:771:4 #13 0x4cac29 in cmd_main /home/ahunt/oss-fuzz/git/git.c:902:19 #14 0x69c45e in main /home/ahunt/oss-fuzz/git/common-main.c:52:11 #15 0x7f6a459d5349 in __libc_start_main (/lib64/libc.so.6+0x24349) Signed-off-by: Andrzej Hunt <ajrhunt@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-20tree.h API: simplify read_tree_recursive() signatureLibravatar Ævar Arnfjörð Bjarmason4-14/+14
Simplify the signature of read_tree_recursive() to omit the "base", "baselen" and "stage" arguments. No callers of it use these parameters for anything anymore. The last function to call read_tree_recursive() with a non-"" path was read_tree_recursive() itself, but that was changed in ffd31f661d5 (Reimplement read_tree_recursive() using tree_entry_interesting(), 2011-03-25). The last user of the "stage" parameter went away in the last commit, and even that use was mere boilerplate. So let's remove those and rename the read_tree_recursive() function to just read_tree(). We had another read_tree() function that I've refactored away in preceding commits, since all in-tree users read trees recursively with a callback we can change the name to signify that this is the norm. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-20ls-files: refactor away read_tree()Libravatar Ævar Arnfjörð Bjarmason1-43/+34
Refactor away the read_tree() function into its only user, overlay_tree_on_index(). First, change read_one_entry_opt() to use the strbuf parameter read_tree_recursive() passes down in place. This finishes up a partial refactoring started in 6a0b0b6de99 (tree.c: update read_tree_recursive callback to pass strbuf as base, 2014-11-30). Moving the rest into overlay_tree_on_index() makes this index juggling we're doing easier to read. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-20ls-files: don't needlessly pass around stage variableLibravatar Ævar Arnfjörð Bjarmason1-17/+8
Now that read_tree() has been moved to ls-files.c we can get rid of the stage != 1 case that'll never happen. Let's not use read_tree_recursive() as a pass-through to pass "stage = 1" either. For now we'll pass an unused "stage = 0" for consistency with other read_tree_recursive() callers, that argument will be removed in a follow-up commit. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-20tree.c API: move read_tree() into builtin/ls-files.cLibravatar Ævar Arnfjörð Bjarmason1-0/+91
Since the read_tree() API was added around the same time as read_tree_recursive() in 94537c78a82 (Move "read_tree()" to "tree.c"[...], 2005-04-22) and b12ec373b8e ([PATCH] Teach read-tree about commit objects, 2005-04-20) things have gradually migrated over to the read_tree_recursive() version. Now builtin/ls-files.c is the last user of this code, let's move all the relevant code there. This allows for subsequent simplification of it, and an eventual move to read_tree_recursive(). Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-19Merge branch 'tb/git-mv-icase-fix'Libravatar Junio C Hamano1-1/+1
Fix a corner case bug in "git mv" on case insensitive systems, which was introduced in 2.29 timeframe. * tb/git-mv-icase-fix: git mv foo FOO ; git mv foo bar gave an assert
2021-03-19Merge branch 'rs/calloc-array'Libravatar Junio C Hamano11-23/+23
CALLOC_ARRAY() macro replaces many uses of xcalloc(). * rs/calloc-array: cocci: allow xcalloc(1, size) use CALLOC_ARRAY git-compat-util.h: drop trailing semicolon from macro definition