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2018-08-20Sync 'ds/multi-pack-index' to v2.19.0-rc0Libravatar Junio C Hamano1-0/+5
* ds/multi-pack-index: (23 commits) midx: clear midx on repack packfile: skip loading index if in multi-pack-index midx: prevent duplicate packfile loads midx: use midx in approximate_object_count midx: use existing midx when writing new one midx: use midx in abbreviation calculations midx: read objects from multi-pack-index config: create core.multiPackIndex setting midx: write object offsets midx: write object id fanout chunk midx: write object ids in a chunk midx: sort and deduplicate objects from packfiles midx: read pack names into array multi-pack-index: write pack names in chunk multi-pack-index: read packfile list packfile: generalize pack directory list t5319: expand test data multi-pack-index: load into memory midx: write header information to lockfile multi-pack-index: add 'write' verb ...
2018-08-20Merge branch 'hn/highlight-sideband-keywords'Libravatar Junio C Hamano1-0/+12
The sideband code learned to optionally paint selected keywords at the beginning of incoming lines on the receiving end. * hn/highlight-sideband-keywords: sideband: do not read beyond the end of input sideband: highlight keywords in remote sideband output
2018-08-20Merge branch 'js/range-diff'Libravatar Junio C Hamano1-2/+4
"git tbdiff" that lets us compare individual patches in two iterations of a topic has been rewritten and made into a built-in command. * js/range-diff: (21 commits) range-diff: use dim/bold cues to improve dual color mode range-diff: make --dual-color the default mode range-diff: left-pad patch numbers completion: support `git range-diff` range-diff: populate the man page range-diff --dual-color: skip white-space warnings range-diff: offer to dual-color the diffs diff: add an internal option to dual-color diffs of diffs color: add the meta color GIT_COLOR_REVERSE range-diff: use color for the commit pairs range-diff: add tests range-diff: do not show "function names" in hunk headers range-diff: adjust the output of the commit pairs range-diff: suppress the diff headers range-diff: indent the diffs just like tbdiff range-diff: right-trim commit messages range-diff: also show the diff between patches range-diff: improve the order of the shown commits range-diff: first rudimentary implementation Introduce `range-diff` to compare iterations of a topic branch ...
2018-08-17Merge branch 'nd/config-blame-sort'Libravatar Junio C Hamano1-34/+34
Doc fix. * nd/config-blame-sort: config.txt: reorder blame stuff to keep config keys sorted
2018-08-17Merge branch 'ab/fetch-nego'Libravatar Junio C Hamano1-1/+4
Update to a few other topics around 'git fetch'. * ab/fetch-nego: fetch doc: cross-link two new negotiation options negotiator: unknown fetch.negotiationAlgorithm should error out
2018-08-17Merge branch 'ab/fsck-transfer-updates'Libravatar Junio C Hamano1-35/+103
The test performed at the receiving end of "git push" to prevent bad objects from entering repository can be customized via receive.fsck.* configuration variables; we now have gained a counterpart to do the same on the "git fetch" side, with fetch.fsck.* configuration variables. * ab/fsck-transfer-updates: fsck: test and document unknown fsck.<msg-id> values fsck: add stress tests for fsck.skipList fsck: test & document {fetch,receive}.fsck.* config fallback fetch: implement fetch.fsck.* transfer.fsckObjects tests: untangle confusing setup config doc: elaborate on fetch.fsckObjects security config doc: elaborate on what transfer.fsckObjects does config doc: unify the description of fsck.* and receive.fsck.* config doc: don't describe *.fetchObjects twice receive.fsck.<msg-id> tests: remove dead code
2018-08-15Merge branch 'hs/gpgsm'Libravatar Junio C Hamano1-0/+10
Teach "git tag -s" etc. a few configuration variables (gpg.format that can be set to "openpgp" or "x509", and gpg.<format>.program that is used to specify what program to use to deal with the format) to allow x.509 certs with CMS via "gpgsm" to be used instead of openpgp via "gnupg". * hs/gpgsm: gpg-interface t: extend the existing GPG tests with GPGSM gpg-interface: introduce new signature format "x509" using gpgsm gpg-interface: introduce new config to select per gpg format program gpg-interface: do not hardcode the key string len anymore gpg-interface: introduce an abstraction for multiple gpg formats t/t7510: check the validation of the new config gpg.format gpg-interface: add new config to select how to sign a commit
2018-08-15Merge branch 'jk/core-use-replace-refs'Libravatar Junio C Hamano1-0/+5
A new configuration variable core.usereplacerefs has been added, primarily to help server installations that want to ignore the replace mechanism altogether. * jk/core-use-replace-refs: add core.usereplacerefs config option check_replace_refs: rename to read_replace_refs check_replace_refs: fix outdated comment
2018-08-13range-diff: use dim/bold cues to improve dual color modeLibravatar Johannes Schindelin1-2/+4
It *is* a confusing thing to look at a diff of diffs. All too easy is it to mix up whether the -/+ markers refer to the "inner" or the "outer" diff, i.e. whether a `+` indicates that a line was added by either the old or the new diff (or both), or whether the new diff does something different than the old diff. To make things easier to process for normal developers, we introduced the dual color mode which colors the lines according to the commit diff, i.e. lines that are added by a commit (whether old, new, or both) are colored in green. In non-dual color mode, the lines would be colored according to the outer diff: if the old commit added a line, it would be colored red (because that line addition is only present in the first commit range that was specified on the command-line, i.e. the "old" commit, but not in the second commit range, i.e. the "new" commit). However, this dual color mode is still not making things clear enough, as we are looking at two levels of diffs, and we still only pick a color according to *one* of them (the outer diff marker is colored differently, of course, but in particular with deep indentation, it is easy to lose track of that outer diff marker's background color). Therefore, let's add another dimension to the mix. Still use green/red/normal according to the commit diffs, but now also dim the lines that were only in the old commit, and use bold face for the lines that are only in the new commit. That way, it is much easier not to lose track of, say, when we are looking at a line that was added in the previous iteration of a patch series but the new iteration adds a slightly different version: the obsolete change will be dimmed, the current version of the patch will be bold. At least this developer has a much easier time reading the range-diffs that way. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-08-08sideband: highlight keywords in remote sideband outputLibravatar Han-Wen Nienhuys1-0/+12
The colorization is controlled with the config setting "color.remote". Supported keywords are "error", "warning", "hint" and "success". They are highlighted if they appear at the start of the line, which is common in error messages, eg. ERROR: commit is missing Change-Id The Git push process itself prints lots of non-actionable messages (eg. bandwidth statistics, object counters for different phases of the process). This obscures actionable error messages that servers may send back. Highlighting keywords in the sideband draws more attention to those messages. The background for this change is that Gerrit does server-side processing to create or update code reviews, and actionable error messages (eg. missing Change-Id) must be communicated back to the user during the push. User research has shown that new users have trouble seeing these messages. The highlighting is done on the client rather than server side, so servers don't have to grow capabilities to understand terminal escape codes and terminal state. It also consistent with the current state where Git is control of the local display (eg. prefixing messages with "remote: "). The highlighting can be configured using color.remote.<KEYWORD> configuration settings. Since the keys are matched case insensitively, we match the keywords case insensitively too. Finally, this solution is backwards compatible: many servers already prefix their messages with "error", and they will benefit from this change without requiring a server update. By contrast, a server-side solution would likely require plumbing the TERM variable through the git protocol, so it would require changes to both server and client. Helped-by: Duy Nguyen <pclouds@gmail.com> Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-08-06config.txt: reorder blame stuff to keep config keys sortedLibravatar Nguyễn Thái Ngọc Duy1-34/+34
The color group in config.txt is actually sorted but changes in sb/blame-color broke this. Reorder color.blame.* and move blame.coloring back to the rest of blame.* (and reorder that group too while we're there) Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-08-02Merge branch 'jt/fetch-negotiator-skipping'Libravatar Junio C Hamano1-0/+9
Add a server-side knob to skip commits in exponential/fibbonacci stride in an attempt to cover wider swath of history with a smaller number of iterations, potentially accepting a larger packfile transfer, instead of going back one commit a time during common ancestor discovery during the "git fetch" transaction. * jt/fetch-negotiator-skipping: negotiator/skipping: skip commits during fetch
2018-08-02Merge branch 'ab/checkout-default-remote'Libravatar Junio C Hamano1-0/+26
"git checkout" and "git worktree add" learned to honor checkout.defaultRemote when auto-vivifying a local branch out of a remote tracking branch in a repository with multiple remotes that have tracking branches that share the same names. * ab/checkout-default-remote: checkout & worktree: introduce checkout.defaultRemote checkout: add advice for ambiguous "checkout <branch>" builtin/checkout.c: use "ret" variable for return checkout: pass the "num_matches" up to callers checkout.c: change "unique" member to "num_matches" checkout.c: introduce an *_INIT macro checkout.h: wrap the arguments to unique_tracking_name() checkout tests: index should be clean after dwim checkout
2018-08-02Merge branch 'sb/diff-color-move-more'Libravatar Junio C Hamano1-0/+5
"git diff --color-moved" feature has further been tweaked. * sb/diff-color-move-more: diff.c: offer config option to control ws handling in move detection diff.c: add white space mode to move detection that allows indent changes diff.c: factor advance_or_nullify out of mark_color_as_moved diff.c: decouple white space treatment from move detection algorithm diff.c: add a blocks mode for moved code detection diff.c: adjust hash function signature to match hashmap expectation diff.c: do not pass diff options as keydata to hashmap t4015: avoid git as a pipe input xdiff/xdiffi.c: remove unneeded function declarations xdiff/xdiff.h: remove unused flags
2018-08-02Merge branch 'ds/commit-graph-fsck'Libravatar Junio C Hamano1-3/+6
"git fsck" learns to make sure the optional commit-graph file is in a sane state. * ds/commit-graph-fsck: (23 commits) coccinelle: update commit.cocci commit-graph: update design document gc: automatically write commit-graph files commit-graph: add '--reachable' option commit-graph: use string-list API for input fsck: verify commit-graph commit-graph: verify contents match checksum commit-graph: test for corrupted octopus edge commit-graph: verify commit date commit-graph: verify generation number commit-graph: verify parent list commit-graph: verify root tree OIDs commit-graph: verify objects exist commit-graph: verify corrupt OID fanout and lookup commit-graph: verify required chunks are present commit-graph: verify catches corrupt signature commit-graph: add 'verify' subcommand commit-graph: load a root tree from specific graph commit: force commit to parse from object database commit-graph: parse commit from chosen graph ...
2018-08-01fetch doc: cross-link two new negotiation optionsLibravatar Ævar Arnfjörð Bjarmason1-0/+2
Users interested in the fetch.negotiationAlgorithm variable added in 42cc7485a2 ("negotiator/skipping: skip commits during fetch", 2018-07-16) are probably interested in the related --negotiation-tip option added in 3390e42adb ("fetch-pack: support negotiation tip whitelist", 2018-07-02). Change the documentation for those two to reference one another to point readers in the right direction. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-08-01negotiator: unknown fetch.negotiationAlgorithm should error outLibravatar Ævar Arnfjörð Bjarmason1-1/+2
Change the handling of fetch.negotiationAlgorithm=<str> to error out on unknown strings, i.e. everything except "default" or "skipping". This changes the behavior added in 42cc7485a2 ("negotiator/skipping: skip commits during fetch", 2018-07-16) which would ignore all unknown values and silently fall back to the "default" value. For a feature like this it's much better to produce an error than proceed. We don't want users to debug some amazingly slow fetch that should benefit from "skipping", only to find that they'd forgotten to deploy the new git version on that particular machine. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-27fsck: test and document unknown fsck.<msg-id> valuesLibravatar Ævar Arnfjörð Bjarmason1-0/+4
When fsck.<msg-id> is set to an unknown value it'll cause "fsck" to die, but the same is not true of the "fetch" and "receive" variants. Document this and test for it. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-27fsck: test & document {fetch,receive}.fsck.* config fallbackLibravatar Ævar Arnfjörð Bjarmason1-0/+12
Test and document that the {fetch,receive}.fsck.* family of variables doesn't fall back on the corresponding .fsck.* variables. This was alluded to in the existing documentation by saying that "receive" looks at receive.fsck.* and "fsck" looks at fsck.* etc., but it wasn't explicitly stated that there was no fallback, and if you'd e.g. like to configure the skipList you need to do that for all three. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-27fetch: implement fetch.fsck.*Libravatar Ævar Arnfjörð Bjarmason1-4/+16
Implement support for fetch.fsck.* corresponding with the existing receive.fsck.*. This allows for pedantically cloning repositories with specific issues without turning off fetch.fsckObjects. One such repository is https://github.com/robbyrussell/oh-my-zsh.git which before this change will emit this error when cloned with fetch.fsckObjects: error: object 2b7227859263b6aabcc28355b0b994995b7148b6: zeroPaddedFilemode: contains zero-padded file modes fatal: Error in object fatal: index-pack failed Now with fetch.fsck.zeroPaddedFilemode=warn we'll warn about that issue, but the clone will succeed: warning: object 2b7227859263b6aabcc28355b0b994995b7148b6: zeroPaddedFilemode: contains zero-padded file modes warning: object a18c4d13c2a5fa2d4ecd5346c50e119b999b807d: zeroPaddedFilemode: contains zero-padded file modes warning: object 84df066176c8da3fd59b13731a86d90f4f1e5c9d: zeroPaddedFilemode: contains zero-padded file modes The motivation for this is to be able to turn on fetch.fsckObjects globally across a fleet of computers but still be able to manually clone various legacy repositories by either white-listing specific issues, or better yet whitelist specific objects. The use of --git-dir=* instead of -C in the tests could be considered somewhat archaic, but the tests I'm adding here are duplicating the corresponding receive.* tests with as few changes as possible. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-27config doc: elaborate on fetch.fsckObjects securityLibravatar Ævar Arnfjörð Bjarmason1-0/+21
Change the transfer.fsckObjects documentation to explicitly note the unique security and/or corruption issues fetch.fsckObjects suffers from, since it doesn't have a quarantine environment. This was already alluded to in the existing documentation, but let's spell it out so there's no confusion here, and give a concrete example of how to work around this limitation. Let's also prominently note that this is considered to be a limitation of the current implementation, rather than something that's intended and by design, since we might change this in the future. See https://public-inbox.org/git/20180531060259.GE17344@sigill.intra.peff.net/ for further details. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-27config doc: elaborate on what transfer.fsckObjects doesLibravatar Ævar Arnfjörð Bjarmason1-2/+11
The existing documentation led the user to believe that all we were doing were basic reachability sanity checks, but that hasn't been true for a very long time. Update the description to match reality, and note the caveat that there's a quarantine for accepting pushes, but not for fetching. Also mention that the fsck checks for security issues, which was my initial motivation for writing this fetch.fsck.* series. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-27config doc: unify the description of fsck.* and receive.fsck.*Libravatar Ævar Arnfjörð Bjarmason1-27/+35
The documentation for the fsck.<msg-id> and receive.fsck.<msg-id> variables was mostly duplicated in two places, with fsck.<msg-id> making no mention of the corresponding receive.fsck.<msg-id>, and the same for fsck.skipList. I spent quite a lot of time today wondering why setting the fsck.<msg-id> variant wasn't working to clone a legacy repository (not that that would have worked anyway, but a subsequent patch implements fetch.fsck.<msg-id>). Rectify this situation by describing the feature in general terms under the fsck.* documentation, and make the receive.fsck.* documentation refer to those variables instead. This documentation was initially added in 2becf00ff7 ("fsck: support demoting errors to warnings", 2015-06-22) and 4b55b9b479 ("fsck: document the new receive.fsck.<msg-id> options", 2015-06-22). Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-27config doc: don't describe *.fetchObjects twiceLibravatar Ævar Arnfjörð Bjarmason1-8/+10
Refer readers of fetch.fsckObjects and receive.fsckObjects to transfer.fsckObjects instead of repeating the description at each location. I don't think this description of them makes much sense, but for now I'm just moving the existing documentation around. Making it better will be done in a later patch. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-24Merge branch 'jt/connectivity-check-after-unshallow'Libravatar Junio C Hamano1-0/+7
"git fetch" failed to correctly validate the set of objects it received when making a shallow history deeper, which has been corrected. * jt/connectivity-check-after-unshallow: fetch-pack: write shallow, then check connectivity fetch-pack: implement ref-in-want fetch-pack: put shallow info in output parameter fetch: refactor to make function args narrower fetch: refactor fetch_refs into two functions fetch: refactor the population of peer ref OIDs upload-pack: test negotiation with changing repository upload-pack: implement ref-in-want test-pkt-line: add unpack-sideband subcommand
2018-07-20config: create core.multiPackIndex settingLibravatar Derrick Stolee1-0/+5
The core.multiPackIndex config setting controls the multi-pack- index (MIDX) feature. If false, the setting will disable all reads from the multi-pack-index file. Read this config setting in the new prepare_multi_pack_index_one() which is called during prepare_packed_git(). This check is run once per repository. Add comparison commands in t5319-multi-pack-index.sh to check typical Git behavior remains the same as the config setting is turned on and off. This currently includes 'git rev-list' and 'git log' commands to trigger several object database reads. Currently, these would only catch an error in the prepare_multi_pack_index_one(), but with later commits will catch errors in object lookups, abbreviations, and approximate object counts. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-19diff.c: offer config option to control ws handling in move detectionLibravatar Stefan Beller1-0/+5
Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-18add core.usereplacerefs config optionLibravatar Jeff King1-0/+5
We can already disable replace refs using a command line option or environment variable, but those are awkward to apply universally. Let's add a config option to do the same thing. That raises the question of why one might want to do so universally. The answer is that replace refs violate the immutability of objects. For instance, if you wanted to cache the diff between commit XYZ and its parent, then in theory that never changes; the hash XYZ represents the total state. But replace refs violate that; pushing up a new ref may create a completely new diff. The obvious "if it hurts, don't do it" answer is not to create replace refs if you're doing this kind of caching. But for a site hosting arbitrary repositories, they may want to allow users to share replace refs with each other, but not actually respect them on the site (because the caching is more important than the replace feature). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-18Merge branch 'ms/core-icase-doc'Libravatar Junio C Hamano1-3/+6
Clarify that setting core.ignoreCase to deviate from reality would not turn a case-incapable filesystem into a case-capable one. * ms/core-icase-doc: Documentation: declare "core.ignoreCase" as internal variable
2018-07-18Merge branch 'tb/grep-column'Libravatar Junio C Hamano1-1/+6
"git grep" learned the "--column" option that gives not just the line number but the column number of the hit. * tb/grep-column: contrib/git-jump/git-jump: jump to exact location grep.c: add configuration variables to show matched option builtin/grep.c: add '--column' option to 'git-grep(1)' grep.c: display column number of first match grep.[ch]: extend grep_opt to allow showing matched column grep.c: expose {,inverted} match column in match_line() Documentation/config.txt: camel-case lineNumber for consistency
2018-07-18Merge branch 'vs/typofixes'Libravatar Junio C Hamano1-1/+1
Doc fix. * vs/typofixes: Documentation: spelling and grammar fixes
2018-07-18Merge branch 'bw/config-refer-to-gitsubmodules-doc'Libravatar Junio C Hamano1-2/+3
Docfix. * bw/config-refer-to-gitsubmodules-doc: docs: link to gitsubmodules
2018-07-18gpg-interface: introduce new signature format "x509" using gpgsmLibravatar Henning Schild1-2/+3
This commit allows git to create and check x509 type signatures using gpgsm. Signed-off-by: Henning Schild <henning.schild@siemens.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-18gpg-interface: introduce new config to select per gpg format programLibravatar Henning Schild1-0/+5
Supporting multiple signing formats we will have the need to configure a custom program each. Add a new config value to cater for that. Signed-off-by: Henning Schild <henning.schild@siemens.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-17gpg-interface: add new config to select how to sign a commitLibravatar Henning Schild1-0/+4
Add "gpg.format" where the user can specify which type of signature to use for commits. At the moment only "openpgp" is supported and the value is not even used. This commit prepares for a new types of signatures. Signed-off-by: Henning Schild <henning.schild@siemens.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-07-16negotiator/skipping: skip commits during fetchLibravatar Jonathan Tan1-0/+9
Introduce a new negotiation algorithm used during fetch that skips commits in an effort to find common ancestors faster. The skips grow similarly to the Fibonacci sequence as the commit walk proceeds further away from the tips. The skips may cause unnecessary commits to be included in the packfile, but the negotiation step typically ends more quickly. Usage of this algorithm is guarded behind the configuration flag fetch.negotiationAlgorithm. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-06-28Documentation: declare "core.ignoreCase" as internal variableLibravatar Marc Strapetz1-3/+6
The current description of "core.ignoreCase" reads like an option which is intended to be changed by the user while it's actually expected to be set by Git on initialization only. Subsequently, Git relies on the proper configuration of this variable, as noted by Bryan Turner [1]: Git on a case-insensitive filesystem (APFS, HFS+, FAT32, exFAT, vFAT, NTFS, etc.) is not designed to be run with anything other than core.ignoreCase=true. [1] https://marc.info/?l=git&m=152998665813997&w=2 mid:CAGyf7-GeE8jRGPkME9rHKPtHEQ6P1+ebpMMWAtMh01uO3bfy8w@mail.gmail.com Signed-off-by: Marc Strapetz <marc.strapetz@syntevo.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-06-28upload-pack: implement ref-in-wantLibravatar Brandon Williams1-0/+7
Currently, while performing packfile negotiation, clients are only allowed to specify their desired objects using object ids. This causes a vulnerability to failure when an object turns non-existent during negotiation, which may happen if, for example, the desired repository is provided by multiple Git servers in a load-balancing arrangement and there exists replication delay. In order to eliminate this vulnerability, implement the ref-in-want feature for the 'fetch' command in protocol version 2. This feature enables the 'fetch' command to support requests in the form of ref names through a new "want-ref <ref>" parameter. At the conclusion of negotiation, the server will send a list of all of the wanted references (as provided by "want-ref" lines) in addition to the generated packfile. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-06-27gc: automatically write commit-graph filesLibravatar Derrick Stolee1-3/+6
The commit-graph file is a very helpful feature for speeding up git operations. In order to make it more useful, make it possible to write the commit-graph file during standard garbage collection operations. Add a 'gc.commitGraph' config setting that triggers writing a commit-graph file after any non-trivial 'git gc' command. Defaults to false while the commit-graph feature matures. We specifically do not want to have this on by default until the commit-graph feature is fully integrated with history-modifying features like shallow clones. Helped-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-06-25Merge branch 'nd/complete-config-vars'Libravatar Junio C Hamano1-1/+2
Continuing with the idea to programatically enumerate various pieces of data required for command line completion, teach the codebase to report the list of configuration variables subcommands care about to help complete them. * nd/complete-config-vars: completion: complete general config vars in two steps log-tree: allow to customize 'grafted' color completion: support case-insensitive config vars completion: keep other config var completion in camelCase completion: drop the hard coded list of config vars am: move advice.amWorkDir parsing back to advice.c advice: keep config name in camelCase in advice_config[] fsck: produce camelCase config key names help: add --config to list all available config fsck: factor out msg_id_info[] lazy initialization code grep: keep all colors in an array Add and use generic name->id mapping code for color slot parsing
2018-06-22Documentation: spelling and grammar fixesLibravatar Ville Skyttä1-1/+1
Signed-off-by: Ville Skyttä <ville.skytta@iki.fi> Reviewed-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-06-22grep.c: add configuration variables to show matched optionLibravatar Taylor Blau1-0/+5
To support git-grep(1)'s new option, '--column', document and teach grep.c how to interpret relevant configuration options, similar to those associated with '--line-number'. Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-06-21docs: link to gitsubmodulesLibravatar Brandon Williams1-2/+3
Add a link to gitsubmodules(7) under the `submodule.active` entry in git-config(1). Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-06-21Documentation/config.txt: camel-case lineNumber for consistencyLibravatar Taylor Blau1-1/+1
lineNumber has casing that is inconsistent with surrounding options, like color.grep.matchContext, and color.grep.matchSelected. Re-case this documentation in order to be consistent with the text around it, and to ensure that new entries are consistent, too. Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-06-11checkout & worktree: introduce checkout.defaultRemoteLibravatar Ævar Arnfjörð Bjarmason1-1/+20
Introduce a checkout.defaultRemote setting which can be used to designate a remote to prefer (via checkout.defaultRemote=origin) when running e.g. "git checkout master" to mean origin/master, even though there's other remotes that have the "master" branch. I want this because it's very handy to use this workflow to checkout a repository and create a topic branch, then get back to a "master" as retrieved from upstream: ( cd /tmp && rm -rf tbdiff && git clone git@github.com:trast/tbdiff.git && cd tbdiff && git branch -m topic && git checkout master ) That will output: Branch 'master' set up to track remote branch 'master' from 'origin'. Switched to a new branch 'master' But as soon as a new remote is added (e.g. just to inspect something from someone else) the DWIMery goes away: ( cd /tmp && rm -rf tbdiff && git clone git@github.com:trast/tbdiff.git && cd tbdiff && git branch -m topic && git remote add avar git@github.com:avar/tbdiff.git && git fetch avar && git checkout master ) Will output (without the advice output added earlier in this series): error: pathspec 'master' did not match any file(s) known to git. The new checkout.defaultRemote config allows me to say that whenever that ambiguity comes up I'd like to prefer "origin", and it'll still work as though the only remote I had was "origin". Also adjust the advice.checkoutAmbiguousRemoteBranchName message to mention this new config setting to the user, the full output on my git.git is now (the last paragraph is new): $ ./git --exec-path=$PWD checkout master error: pathspec 'master' did not match any file(s) known to git. hint: 'master' matched more than one remote tracking branch. hint: We found 26 remotes with a reference that matched. So we fell back hint: on trying to resolve the argument as a path, but failed there too! hint: hint: If you meant to check out a remote tracking branch on, e.g. 'origin', hint: you can do so by fully qualifying the name with the --track option: hint: hint: git checkout --track origin/<name> hint: hint: If you'd like to always have checkouts of an ambiguous <name> prefer hint: one remote, e.g. the 'origin' remote, consider setting hint: checkout.defaultRemote=origin in your config. I considered splitting this into checkout.defaultRemote and worktree.defaultRemote, but it's probably less confusing to break our own rules that anything shared between config should live in core.* than have two config settings, and I couldn't come up with a short name under core.* that made sense (core.defaultRemoteForCheckout?). See also 70c9ac2f19 ("DWIM "git checkout frotz" to "git checkout -b frotz origin/frotz"", 2009-10-18) which introduced this DWIM feature to begin with, and 4e85333197 ("worktree: make add <path> <branch> dwim", 2017-11-26) which added it to git-worktree. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-06-11checkout: add advice for ambiguous "checkout <branch>"Libravatar Ævar Arnfjörð Bjarmason1-0/+7
As the "checkout" documentation describes: If <branch> is not found but there does exist a tracking branch in exactly one remote (call it <remote>) with a matching name, treat as equivalent to [...] <remote>/<branch. This is a really useful feature. The problem is that when you add another remote (e.g. a fork), git won't find a unique branch name anymore, and will instead print this unhelpful message: $ git checkout master error: pathspec 'master' did not match any file(s) known to git Now it will, on my git.git checkout, print: $ ./git --exec-path=$PWD checkout master error: pathspec 'master' did not match any file(s) known to git. hint: 'master' matched more than one remote tracking branch. hint: We found 26 remotes with a reference that matched. So we fell back hint: on trying to resolve the argument as a path, but failed there too! hint: hint: If you meant to check out a remote tracking branch on, e.g. 'origin', hint: you can do so by fully qualifying the name with the --track option: hint: hint: git checkout --track origin/<name> Note that the "error: pathspec[...]" message is still printed. This is because whatever else checkout may have tried earlier, its final fallback is to try to resolve the argument as a path. E.g. in this case: $ ./git --exec-path=$PWD checkout master pu error: pathspec 'master' did not match any file(s) known to git. error: pathspec 'pu' did not match any file(s) known to git. There we don't print the "hint:" implicitly due to earlier logic around the DWIM fallback. That fallback is only used if it looks like we have one argument that might be a branch. I can't think of an intrinsic reason for why we couldn't in some future change skip printing the "error: pathspec[...]" error. However, to do so we'd need to pass something down to checkout_paths() to make it suppress printing an error on its own, and for us to be confident that we're not silencing cases where those errors are meaningful. I don't think that's worth it since determining whether that's the case could easily change due to future changes in the checkout logic. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-06-01Merge branch 'nd/command-list'Libravatar Junio C Hamano1-0/+8
The list of commands with their various attributes were spread across a few places in the build procedure, but it now is getting a bit more consolidated to allow more automation. * nd/command-list: completion: allow to customize the completable command list completion: add and use --list-cmds=alias completion: add and use --list-cmds=nohelpers Move declaration for alias.c to alias.h completion: reduce completable command list completion: let git provide the completable command list command-list.txt: documentation and guide line help: use command-list.txt for the source of guides help: add "-a --verbose" to list all commands with synopsis git: support --list-cmds=list-<category> completion: implement and use --list-cmds=main,others git --list-cmds: collect command list in a string_list git.c: convert --list-* to --list-cmds=* Remove common-cmds.h help: use command-list.h for common command list generate-cmds.sh: export all commands to command-list.h generate-cmds.sh: factor out synopsis extract code
2018-05-30Merge branch 'sb/blame-color'Libravatar Junio C Hamano1-0/+27
"git blame" learns to unhighlight uninteresting metadata from the originating commit on lines that are the same as the previous one, and also paint lines in different colors depending on the age of the commit. * sb/blame-color: builtin/blame: add new coloring scheme config builtin/blame: highlight recently changed lines builtin/blame: dim uninteresting metadata lines
2018-05-30Merge branch 'bp/status-rename-config'Libravatar Junio C Hamano1-0/+12
"git status" learned to honor a new status.renames configuration to skip rename detection, which could be useful for those who want to do so without disabling the default rename detection done by the "git diff" command. * bp/status-rename-config: add status config and command line options for rename detection
2018-05-29log-tree: allow to customize 'grafted' colorLibravatar Nguyễn Thái Ngọc Duy1-1/+2
Commit 76f5df305b (log: decorate grafted commits with "grafted" - 2011-08-18) lets us decorate grafted commits but I forgot about the color.decorate.* config. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>