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2020-10-04Merge branch 'jc/fmt-merge-msg-suppress-destination'Libravatar Junio C Hamano1-1/+1
Docfix. * jc/fmt-merge-msg-suppress-destination: config/fmt-merge-msg.txt: drop space in quote
2020-10-04Merge branch 'tb/upload-pack-filters'Libravatar Junio C Hamano1-1/+1
Hotfix. * tb/upload-pack-filters: config/uploadpack.txt: fix typo in `--filter=tree:<n>`
2020-09-29Merge branch 'jk/make-protocol-v2-the-default'Libravatar Junio C Hamano2-6/+1
The transport protocol v2 has become the default again. * jk/make-protocol-v2-the-default: protocol: re-enable v2 protocol by default
2020-09-29Merge branch 'tb/bloom-improvements'Libravatar Junio C Hamano1-0/+8
"git commit-graph write" learned to limit the number of bloom filters that are computed from scratch with the --max-new-filters option. * tb/bloom-improvements: commit-graph: introduce 'commitGraph.maxNewFilters' builtin/commit-graph.c: introduce '--max-new-filters=<n>' commit-graph: rename 'split_commit_graph_opts' bloom: encode out-of-bounds filters as non-empty bloom/diff: properly short-circuit on max_changes bloom: use provided 'struct bloom_filter_settings' bloom: split 'get_bloom_filter()' in two commit-graph.c: store maximum changed paths commit-graph: respect 'commitGraph.readChangedPaths' t/helper/test-read-graph.c: prepare repo settings commit-graph: pass a 'struct repository *' in more places t4216: use an '&&'-chain commit-graph: introduce 'get_bloom_filter_settings()'
2020-09-27config/uploadpack.txt: fix typo in `--filter=tree:<n>`Libravatar Martin Ågren1-1/+1
That should be a ":", not a second "=". While at it, refer to the placeholder "<n>" as "<n>", not "n" (see, e.g., the entry just before this one). Signed-off-by: Martin Ågren <martin.agren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-09-27config/fmt-merge-msg.txt: drop space in quoteLibravatar Martin Ågren1-1/+1
We document how `merge.suppressDest` can be used to omit " into <branch name>" from the title of the merge message. It is true that we omit the space character before "into", but that lone double quote character risks ending up on the wrong side of a line break, looking a bit out of place. This currently happens with, e.g., 80-character terminals. Drop that leading quoted space. The result should be just as clear about how this option affects the formatted message. Signed-off-by: Martin Ågren <martin.agren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-09-25Merge branch 'jx/proc-receive-hook'Libravatar Junio C Hamano1-0/+22
"git receive-pack" that accepts requests by "git push" learned to outsource most of the ref updates to the new "proc-receive" hook. * jx/proc-receive-hook: doc: add documentation for the proc-receive hook transport: parse report options for tracking refs t5411: test updates of remote-tracking branches receive-pack: new config receive.procReceiveRefs doc: add document for capability report-status-v2 New capability "report-status-v2" for git-push receive-pack: feed report options to post-receive receive-pack: add new proc-receive hook t5411: add basic test cases for proc-receive hook transport: not report a non-head push as a branch
2020-09-25Merge branch 'ds/maintenance-part-1'Libravatar Junio C Hamano1-0/+16
A "git gc"'s big brother has been introduced to take care of more repository maintenance tasks, not limited to the object database cleaning. * ds/maintenance-part-1: maintenance: add trace2 regions for task execution maintenance: add auto condition for commit-graph task maintenance: use pointers to check --auto maintenance: create maintenance.<task>.enabled config maintenance: take a lock on the objects directory maintenance: add --task option maintenance: add commit-graph task maintenance: initialize task array maintenance: replace run_auto_gc() maintenance: add --quiet option maintenance: create basic maintenance runner
2020-09-25protocol: re-enable v2 protocol by defaultLibravatar Jeff King2-6/+1
Protocol v2 became the default in v2.26.0 via 684ceae32d (fetch: default to protocol version 2, 2019-12-23). More widespread use turned up a regression in negotiation. That was fixed in v2.27.0 via 4fa3f00abb (fetch-pack: in protocol v2, in_vain only after ACK, 2020-04-27), but we also reverted the default to v0 as a precuation in 11c7f2a30b (Revert "fetch: default to protocol version 2", 2020-04-22). In v2.28.0, we re-enabled it for experimental users with 3697caf4b9 (config: let feature.experimental imply protocol.version=2, 2020-05-20) and haven't heard any complaints. v2.28 has only been out for 2 months, but I'd generally expect people turning on feature.experimental to also stay pretty up-to-date. So we're not likely to collect much more data by waiting. In addition, we have no further reports from people running v2.26.0, and of course some people have been setting protocol.version manually for ages. Let's move forward with v2 as the default again. It's possible there are still lurking bugs, but we won't know until it gets more widespread use. And we can find and squash them just like any other bug at this point. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-09-22Merge branch 'ls/mergetool-meld-auto-merge'Libravatar Junio C Hamano1-0/+10
The 'meld' backend of the "git mergetool" learned to give the underlying 'meld' the '--auto-merge' option, which would help reduce the amount of text that requires manual merging. * ls/mergetool-meld-auto-merge: mergetool: allow auto-merge for meld to follow the vim-diff behavior
2020-09-22Merge branch 'jt/threaded-index-pack'Libravatar Junio C Hamano1-1/+1
"git index-pack" learned to resolve deltified objects with greater parallelism. * jt/threaded-index-pack: index-pack: make quantum of work smaller index-pack: make resolve_delta() assume base data index-pack: calculate {ref,ofs}_{first,last} early index-pack: remove redundant child field index-pack: unify threaded and unthreaded code index-pack: remove redundant parameter Documentation: deltaBaseCacheLimit is per-thread
2020-09-18commit-graph: introduce 'commitGraph.maxNewFilters'Libravatar Taylor Blau1-0/+4
Introduce a configuration variable to specify a default value for the recently-introduce '--max-new-filters' option of 'git commit-graph write'. Helped-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-09-17maintenance: add auto condition for commit-graph taskLibravatar Derrick Stolee1-0/+10
Instead of writing a new commit-graph in every 'git maintenance run --auto' process (when maintenance.commit-graph.enalbed is configured to be true), only write when there are "enough" commits not in a commit-graph file. This count is controlled by the maintenance.commit-graph.auto config option. To compute the count, use a depth-first search starting at each ref, and leaving markers using the SEEN flag. If this count reaches the limit, then terminate early and start the task. Otherwise, this operation will peel every ref and parse the commit it points to. If these are all in the commit-graph, then this is typically a very fast operation. Users with many refs might feel a slow-down, and hence could consider updating their limit to be very small. A negative value will force the step to run every time. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-09-17maintenance: create maintenance.<task>.enabled configLibravatar Derrick Stolee1-0/+6
Currently, a normal run of "git maintenance run" will only run the 'gc' task, as it is the only one enabled. This is mostly for backwards- compatible reasons since "git maintenance run --auto" commands replaced previous "git gc --auto" commands after some Git processes. Users could manually run specific maintenance tasks by calling "git maintenance run --task=<task>" directly. Allow users to customize which steps are run automatically using config. The 'maintenance.<task>.enabled' option then can turn on these other tasks (or turn off the 'gc' task). Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-09-16mergetool: allow auto-merge for meld to follow the vim-diff behaviorLibravatar Lin Sun1-0/+10
Make the mergetool used with "meld" backend behave similarly to "vimdiff" by telling it to auto-merge non-conflicting parts and highlight the conflicting parts when `mergetool.meld.useAutoMerge` is configured with `true`, or `auto` for detecting the `--auto-merge` option automatically. Helped-by: Đoàn Trần Công Danh <congdanhqx@gmail.com> Helped-by: David Aguilar <davvid@gmail.com> Signed-off-by: Lin Sun <lin.sun@zoom.us> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-09-09commit-graph: respect 'commitGraph.readChangedPaths'Libravatar Taylor Blau1-0/+4
Git uses the 'core.commitGraph' configuration value to control whether or not the commit graph is used when parsing commits or performing a traversal. Now that commit-graphs can also contain a section for changed-path Bloom filters, administrators that already have commit-graphs may find it convenient to use those graphs without relying on their changed-path Bloom filters. This can happen, for example, during a staged roll-out, or in the event of an incident. Introduce 'commitGraph.readChangedPaths' to control whether or not Bloom filters are read. Note that this configuration is independent from both: - 'core.commitGraph', to allow flexibility in using all parts of a commit-graph _except_ for its Bloom filters. - The '--changed-paths' option for 'git commit-graph write', to allow reading and writing Bloom filters to be controlled independently. When the variable is set, pretend as if no Bloom data was specified at all. This avoids adding additional special-casing outside of the commit-graph internals. Suggested-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-08-27receive-pack: new config receive.procReceiveRefsLibravatar Jiang Xin1-0/+22
Add a new multi-valued config variable "receive.procReceiveRefs" for `receive-pack` command, like the follows: git config --system --add receive.procReceiveRefs refs/for git config --system --add receive.procReceiveRefs refs/drafts If the specific prefix strings given by the config variables match the reference names of the commands which are sent from git client to `receive-pack`, these commands will be executed by an external hook (named "proc-receive"), instead of the internal `execute_commands` function. For example, if it is set to "refs/for", pushing to a reference such as "refs/for/master" will not create or update reference "refs/for/master", but may create or update a pull request directly by running the hook "proc-receive". Optional modifiers can be provided in the beginning of the value to filter commands for specific actions: create (a), modify (m), delete (d). A `!` can be included in the modifiers to negate the reference prefix entry. E.g.: git config --system --add receive.procReceiveRefs ad:refs/heads git config --system --add receive.procReceiveRefs !:refs/heads Signed-off-by: Jiang Xin <zhiyou.jx@alibaba-inc.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-08-24Documentation: deltaBaseCacheLimit is per-threadLibravatar Jonathan Tan1-1/+1
Clarify that core.deltaBaseCacheLimit is per-thread, as can be seen from the fact that cache usage (base_cache_used in struct thread_local in builtin/index-pack.c) is tracked individually for each thread and compared against delta_base_cache_limit. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-08-18negotiator/noop: add noop fetch negotiatorLibravatar Jonathan Tan1-1/+4
Add a noop fetch negotiator. This is introduced to allow partial clones to skip the unneeded negotiation step when fetching missing objects using a "git fetch" subprocess. (The implementation of spawning a "git fetch" subprocess will be done in a subsequent patch.) But this can also be useful for end users, e.g. as a blunt fix for object corruption. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-08-17Merge branch 'dd/send-email-config'Libravatar Junio C Hamano1-0/+5
Stop when "sendmail.*" configuration variables are defined, which could be a mistaken attempt to define "sendemail.*" variables. * dd/send-email-config: git-send-email: die if sendmail.* config is set
2020-08-11Merge branch 'tb/upload-pack-filters'Libravatar Junio C Hamano1-0/+18
The component to respond to "git fetch" request is made more configurable to selectively allow or reject object filtering specification used for partial cloning. * tb/upload-pack-filters: t5616: use test_i18ngrep for upload-pack errors upload-pack.c: introduce 'uploadpackfilter.tree.maxDepth' upload-pack.c: allow banning certain object filter(s) list_objects_filter_options: introduce 'list_object_filter_config_name'
2020-08-11Merge branch 'bc/sha-256-part-3'Libravatar Junio C Hamano1-0/+8
The final leg of SHA-256 transition. * bc/sha-256-part-3: (39 commits) t: remove test_oid_init in tests docs: add documentation for extensions.objectFormat ci: run tests with SHA-256 t: make SHA1 prerequisite depend on default hash t: allow testing different hash algorithms via environment t: add test_oid option to select hash algorithm repository: enable SHA-256 support by default setup: add support for reading extensions.objectformat bundle: add new version for use with SHA-256 builtin/verify-pack: implement an --object-format option http-fetch: set up git directory before parsing pack hashes t0410: mark test with SHA1 prerequisite t5308: make test work with SHA-256 t9700: make hash size independent t9500: ensure that algorithm info is preserved in config t9350: make hash size independent t9301: make hash size independent t9300: use $ZERO_OID instead of hard-coded object ID t9300: abstract away SHA-1-specific constants t8011: make hash size independent ...
2020-08-03upload-pack.c: introduce 'uploadpackfilter.tree.maxDepth'Libravatar Taylor Blau1-0/+6
In b79cf959b2 (upload-pack.c: allow banning certain object filter(s), 2020-02-26), we introduced functionality to disallow certain object filters from being chosen from within 'git upload-pack'. Traditionally, administrators use this functionality to disallow filters that are known to perform slowly, for e.g., those that do not have bitmap-level filtering. In the past, the '--filter=tree:<n>' was one such filter that does not have bitmap-level filtering support, and so was likely to be banned by administrators. However, in the previous couple of commits, we introduced bitmap-level filtering for the case when 'n' is equal to '0', i.e., as if we had a '--filter=tree:none' choice. While it would be sufficient to simply write $ git config uploadpackfilter.tree.allow true (since it would allow all values of 'n'), we would like to be able to allow this filter for certain values of 'n', i.e., those no greater than some pre-specified maximum. In order to do this, introduce a new configuration key, as follows: $ git config uploadpackfilter.tree.maxDepth <m> where '<m>' specifies the maximum allowed value of 'n' in the filter 'tree:n'. Administrators who wish to allow for only the value '0' can write: $ git config uploadpackfilter.tree.allow true $ git config uploadpackfilter.tree.maxDepth 0 which allows '--filter=tree:0', but no other values. Signed-off-by: Taylor Blau <me@ttaylorr.com> Acked-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-08-03upload-pack.c: allow banning certain object filter(s)Libravatar Taylor Blau1-0/+12
Git clients may ask the server for a partial set of objects, where the set of objects being requested is refined by one or more object filters. Server administrators can configure 'git upload-pack' to allow or ban these filters by setting the 'uploadpack.allowFilter' variable to 'true' or 'false', respectively. However, administrators using bitmaps may wish to allow certain kinds of object filters, but ban others. Specifically, they may wish to allow object filters that can be optimized by the use of bitmaps, while rejecting other object filters which aren't and represent a perceived performance degradation (as well as an increased load factor on the server). Allow configuring 'git upload-pack' to support object filters on a case-by-case basis by introducing two new configuration variables: - 'uploadpackfilter.allow' - 'uploadpackfilter.<kind>.allow' where '<kind>' may be one of 'blobNone', 'blobLimit', 'tree', and so on. Setting the second configuration variable for any valid value of '<kind>' explicitly allows or disallows restricting that kind of object filter. If a client requests the object filter <kind> and the respective configuration value is not set, 'git upload-pack' will default to the value of 'uploadpackfilter.allow', which itself defaults to 'true' to maintain backwards compatibility. Note that this differs from 'uploadpack.allowfilter', which controls whether or not the 'filter' capability is advertised. Helped-by: Jeff King <peff@peff.net> Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-08-01Merge branch 'jc/fmt-merge-msg-suppress-destination' into masterLibravatar Junio C Hamano1-0/+12
"git merge" learned to selectively omit " into <branch>" at the end of the title of default merge message with merge.suppressDest configuration. * jc/fmt-merge-msg-suppress-destination: fmt-merge-msg: allow merge destination to be omitted again Revert "fmt-merge-msg: stop treating `master` specially"
2020-07-30fmt-merge-msg: allow merge destination to be omitted againLibravatar Junio C Hamano1-0/+12
In Git 2.28, we stopped special casing 'master' when producing the default merge message by just removing the code to squelch "into 'master'" at the end of the message. Introduce multi-valued merge.suppressDest configuration variable that gives a set of globs to match against the name of the branch into which the merge is being made, to let users specify for which branch fmt-merge-msg's output should be shortened. When it is not set, 'master' is used as the sole value of the variable by default. The above move mostly reverts the pre-2.28 default in repositories that have no relevant configuration. Add a few tests to protect the behaviour with the new configuration variable from future regression. Helped-by: Linus Torvalds <torvalds@linux-foundation.org> Helped-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-30docs: add documentation for extensions.objectFormatLibravatar brian m. carlson1-0/+8
Document the extensions.objectFormat config setting. Warn users not to modify it themselves. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Reviewed-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-23git-send-email: die if sendmail.* config is setLibravatar Drew DeVault1-0/+5
I've seen several people mis-configure git send-email on their first attempt because they set the sendmail.* config options - not sendemail.*. This patch detects this mistake and bails out with a friendly warning. Signed-off-by: Drew DeVault <sir@cmpwn.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-07-08experimental: default to fetch.writeCommitGraph=falseLibravatar Jonathan Nieder2-10/+1
The fetch.writeCommitGraph feature makes fetches write out a commit graph file for the newly downloaded pack on fetch. This improves the performance of various commands that would perform a revision walk and eventually ought to be the default for everyone. To prepare for that future, it's enabled by default for users that set feature.experimental=true to experience such future defaults. Alas, for --unshallow fetches from a shallow clone it runs into a snag: by the time Git has fetched the new objects and is writing a commit graph, it has performed a revision walk and r->parsed_objects contains information about the shallow boundary from *before* the fetch. The commit graph writing code is careful to avoid writing a commit graph file in shallow repositories, but the new state is not shallow, and the result is that from that point on, commands like "git log" make use of a newly written commit graph file representing a fictional history with the old shallow boundary. We could fix this by making the commit graph writing code more careful to avoid writing a commit graph that could have used any grafts or shallow state, but it is possible that there are other pieces of mutated state that fetch's commit graph writing code may be relying on. So disable it in the feature.experimental configuration. Google developers have been running in this configuration (by setting fetch.writeCommitGraph=false in the system config) to work around this bug since it was discovered in April. Once the fix lands, we'll enable fetch.writeCommitGraph=true again to give it some early testing before rolling out to a wider audience. In other words: - this patch only affects behavior with feature.experimental=true - it makes feature.experimental match the configuration Google has been using for the last few months, meaning it would leave users in a better tested state than without it - this should improve testing for other features guarded by feature.experimental, by making feature.experimental safer to use Reported-by: Jay Conrod <jayconrod@google.com> Helped-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-06-24clone: use configured default branch name when appropriateLibravatar Johannes Schindelin1-2/+2
When cloning a repository without any branches, Git chooses a default branch name for the as-yet unborn branch. As part of the implicit initialization of the local repository, Git just learned to respect `init.defaultBranch` to choose a different initial branch name. We now really want that branch name to be used as a fall-back. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-06-24init: allow setting the default for the initial branch name via the configLibravatar Don Goodman-Wilson1-0/+4
We just introduced the command-line option `--initial-branch=<branch-name>` to allow initializing a new repository with a different initial branch than the hard-coded one. To allow users to override the initial branch name more permanently (i.e. without having to specify the name manually for each and every `git init` invocation), let's introduce the `init.defaultBranch` config setting. Helped-by: Johannes Schindelin <johannes.schindelin@gmx.de> Helped-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Don Goodman-Wilson <don@goodman-wilson.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-06-02Merge branch 'la/diff-relative-config'Libravatar Junio C Hamano1-0/+4
The commands in the "diff" family learned to honor "diff.relative" configuration variable. * la/diff-relative-config: diff: add config option relative
2020-05-24diff: add config option relativeLibravatar Laurent Arnoud1-0/+4
The `diff.relative` boolean option set to `true` shows only changes in the current directory/value specified by the `path` argument of the `relative` option and shows pathnames relative to the aforementioned directory. Teach `--no-relative` to override earlier `--relative` Add for git-format-patch(1) options documentation `--relative` and `--no-relative` Signed-off-by: Laurent Arnoud <laurent@spkdev.net> Acked-by: Đoàn Trần Công Danh <congdanhqx@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-05-21config: let feature.experimental imply protocol.version=2Libravatar Jonathan Nieder2-1/+6
Git 2.26 used protocol v2 as its default protocol, but soon after release, users noticed that the protocol v2 negotiation code was prone to fail when fetching from some remotes that are far ahead of others (such as linux-next.git versus Linus's linux.git). That has been fixed by 0b07eecf6ed (Merge branch 'jt/v2-fetch-nego-fix', 2020-05-01), but to be cautious, we are using protocol v0 as the default in 2.27 to buy some time for any other unanticipated issues to surface. To that end, let's ensure that users requesting the bleeding edge using the feature.experimental flag *do* get protocol v2. This way, we can gain experience with a wider audience for the new protocol version and be more confident when it is time to enable it by default for all users in some future Git version. Implementation note: this isn't with the rest of the feature.experimental options in repo-settings.c because those are tied to a repository object, whereas this code path is used for operations like "git ls-remote" that do not require a repository. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-05-08Merge branch 'bc/doc-credential-helper-value'Libravatar Junio C Hamano1-3/+7
Doc update. * bc/doc-credential-helper-value: docs: document credential.helper allowed values
2020-05-06docs: document credential.helper allowed valuesLibravatar brian m. carlson1-3/+7
gitcredentials(7) already mentions several possible invocations that one can use as the value for credential.helper. However, many people are not aware that there are other options than a simple credential helper name, so let's place some explanatory text in the documentation for credential.helper as well. We still refer the user to gitcredential(7) for additional explanations and helpful examples. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Acked-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-04-29Merge branch 'dl/merge-autostash'Libravatar Junio C Hamano1-0/+10
"git merge" learns the "--autostash" option. * dl/merge-autostash: (22 commits) pull: pass --autostash to merge t5520: make test_pull_autostash() accept expect_parent_num merge: teach --autostash option sequencer: implement apply_autostash_oid() sequencer: implement save_autostash() sequencer: unlink autostash in apply_autostash() sequencer: extract perform_autostash() from rebase rebase: generify create_autostash() rebase: extract create_autostash() reset: extract reset_head() from rebase rebase: generify reset_head() rebase: use apply_autostash() from sequencer.c sequencer: rename stash_sha1 to stash_oid sequencer: make apply_autostash() accept a path rebase: use read_oneliner() sequencer: make read_oneliner() extern sequencer: configurably warn on non-existent files sequencer: make read_oneliner() accept flags sequencer: make file exists check more efficient sequencer: stop leaking buf ...
2020-04-28Merge branch 'jn/demote-proto2-from-default'Libravatar Junio C Hamano1-1/+1
Those fetching over protocol v2 from linux-next and other kernel repositories are reporting that v2 often fetches way too much than needed. * jn/demote-proto2-from-default: Revert "fetch: default to protocol version 2"
2020-04-28Merge branch 'ds/log-exclude-decoration-config'Libravatar Junio C Hamano1-0/+6
The "--decorate-refs" and "--decorate-refs-exclude" options "git log" takes have learned a companion configuration variable log.excludeDecoration that sits at the lowest priority in the family. * ds/log-exclude-decoration-config: log: add log.excludeDecoration config option log-tree: make ref_filter_match() a helper method
2020-04-28Merge branch 'dr/doc-recurse-submodules'Libravatar Junio C Hamano3-7/+20
Documentation updates around the "--recurse-submodules" option. * dr/doc-recurse-submodules: doc: --recurse-submodules mostly applies to active submodules doc: be more precise on (fetch|push).recurseSubmodules doc: explain how to deactivate submodule.recurse completely doc: document --recurse-submodules for reset and restore doc: list all commands affected by submodule.recurse
2020-04-22Merge branch 'eb/format-patch-no-encode-headers'Libravatar Junio C Hamano1-0/+5
The output from "git format-patch" uses RFC 2047 encoding for non-ASCII letters on From: and Subject: headers, so that it can directly be fed to e-mail programs. A new option has been added to produce these headers in raw. * eb/format-patch-no-encode-headers: format-patch: teach --no-encode-email-headers
2020-04-22Merge branch 'js/trace2-env-vars'Libravatar Junio C Hamano1-0/+9
Trace2 enhancement to allow logging of the environment variables. * js/trace2-env-vars: trace2: teach Git to log environment variables
2020-04-22Revert "fetch: default to protocol version 2"Libravatar Jonathan Nieder1-1/+1
This reverts commit 684ceae32dae726c6a5c693b257b156926aba8b7. Users fetching from linux-next and other kernel remotes are reporting that the limited ref advertisement causes negotiation to reach MAX_IN_VAIN, resulting in too-large fetches. Reported-by: Lubomir Rintel <lkundrak@v3.sk> Reported-by: "Dixit, Ashutosh" <ashutosh.dixit@intel.com> Reported-by: Jiri Slaby <jslaby@suse.cz> Reported-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-04-16log: add log.excludeDecoration config optionLibravatar Derrick Stolee1-0/+6
In 'git log', the --decorate-refs-exclude option appends a pattern to a string_list. This list is used to prevent showing some refs in the decoration output, or even by --simplify-by-decoration. Users may want to use their refs space to store utility refs that should not appear in the decoration output. For example, Scalar [1] runs a background fetch but places the "new" refs inside the refs/scalar/hidden/<remote>/* refspace instead of refs/<remote>/* to avoid updating remote refs when the user is not looking. However, these "hidden" refs appear during regular 'git log' queries. A similar idea to use "hidden" refs is under consideration for core Git [2]. Add the 'log.excludeDecoration' config option so users can exclude some refs from decorations by default instead of needing to use --decorate-refs-exclude manually. The config value is multi-valued much like the command-line option. The documentation is careful to point out that the config value can be overridden by the --decorate-refs option, even though --decorate-refs-exclude would always "win" over --decorate-refs. Since the 'log.excludeDecoration' takes lower precedence to --decorate-refs, and --decorate-refs-exclude takes higher precedence, the struct decoration_filter needed another field. This led also to new logic in load_ref_decorations() and ref_filter_match(). There are several tests in t4202-log.sh that test the --decorate-refs-(include|exclude) options, so these are extended. Since the expected output is already stored as a file, most tests could simply replace a "--decorate-refs-exclude" option with an in-line config setting. Other tests involve the precedence of the config option compared to command-line options and needed more modification. [1] https://github.com/microsoft/scalar [2] https://lore.kernel.org/git/77b1da5d3063a2404cd750adfe3bb8be9b6c497d.1585946894.git.gitgitgadget@gmail.com/ Helped-by: Junio C Hamano <gister@pobox.com> Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-04-10merge: teach --autostash optionLibravatar Denton Liu1-0/+10
In rebase, one can pass the `--autostash` option to cause the worktree to be automatically stashed before continuing with the rebase. This option is missing in merge, however. Implement the `--autostash` option and corresponding `merge.autoStash` option in merge which stashes before merging and then pops after. This option is useful when a developer has some local changes on a topic branch but they realize that their work depends on another branch. Previously, they had to run something like git fetch ... git stash push git merge FETCH_HEAD git stash pop but now, that is reduced to git fetch ... git merge --autostash FETCH_HEAD When an autostash is generated, it is automatically reapplied to the worktree only in three explicit situations: 1. An incomplete merge is commit using `git commit`. 2. A merge completes successfully. 3. A merge is aborted using `git merge --abort`. In all other situations where the merge state is removed using remove_merge_branch_state() such as aborting a merge via `git reset --hard`, the autostash is saved into the stash reflog instead keeping the worktree clean. Helped-by: Phillip Wood <phillip.wood@dunelm.org.uk> Suggested-by: Alban Gruin <alban.gruin@gmail.com> Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-04-07format-patch: teach --no-encode-email-headersLibravatar Emma Brooks1-0/+5
When commit subjects or authors have non-ASCII characters, git format-patch Q-encodes them so they can be safely sent over email. However, if the patch transfer method is something other than email (web review tools, sneakernet), this only serves to make the patch metadata harder to read without first applying it (unless you can decode RFC 2047 in your head). git am as well as some email software supports non-Q-encoded mail as described in RFC 6531. Add --[no-]encode-email-headers and format.encodeEmailHeaders to let the user control this behavior. Signed-off-by: Emma Brooks <me@pluvano.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-04-06doc: be more precise on (fetch|push).recurseSubmodulesLibravatar Damien Robert2-5/+10
The default value also depends on the value of submodule.recurse. Use this opportunity to correct some grammar mistakes in Documentation/config/fetch.txt signaled by Robert P. J. Day. Also mention `fetch.recurseSubmodules` in fetch-options.txt. In git-push.txt, `push.recurseSubmodules` is implicitly mentioned (by explaining how to disable it), so no need to add it there. Lastly add a link to `git-fetch` in `git-pull.txt` to explain the meaning of `--recurse-submodules` there. Signed-off-by: Damien Robert <damien.olivier.robert+git@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-04-06doc: explain how to deactivate submodule.recurse completelyLibravatar Damien Robert1-0/+7
Signed-off-by: Damien Robert <damien.olivier.robert+git@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-04-06doc: list all commands affected by submodule.recurseLibravatar Damien Robert1-2/+3
Note that `ls-files` is not affected, even though it has a `--recurse-submodules` option, so list it as an exception too. Signed-off-by: Damien Robert <damien.olivier.robert+git@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-03-29Merge branch 'ds/default-pack-use-sparse-to-true'Libravatar Junio C Hamano2-5/+2
The 'pack.useSparse' configuration variable now defaults to 'true', enabling an optimization that has been experimental since Git 2.21. * ds/default-pack-use-sparse-to-true: pack-objects: flip the use of GIT_TEST_PACK_SPARSE config: set pack.useSparse=true by default