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2019-12-10Merge branch 'dl/pretty-reference'Libravatar Junio C Hamano1-1/+3
"git log" family learned "--pretty=reference" that gives the name of a commit in the format that is often used to refer to it in log messages. * dl/pretty-reference: SubmittingPatches: use `--pretty=reference` pretty: implement 'reference' format pretty: add struct cmt_fmt_map::default_date_mode_type pretty: provide short date format t4205: cover `git log --reflog -z` blindspot pretty.c: inline initalize format_context revision: make get_revision_mark() return const pointer completion: complete `tformat:` pretty format SubmittingPatches: remove dq from commit reference pretty-formats.txt: use generic terms for hash SubmittingPatches: use generic terms for hash
2019-12-05Merge branch 'dl/range-diff-with-notes'Libravatar Junio C Hamano1-1/+1
"git range-diff" learned to take the "--notes=<ref>" and the "--no-notes" options to control the commit notes included in the log message that gets compared. * dl/range-diff-with-notes: format-patch: pass notes configuration to range-diff range-diff: pass through --notes to `git log` range-diff: output `## Notes ##` header t3206: range-diff compares logs with commit notes t3206: s/expected/expect/ t3206: disable parameter substitution in heredoc t3206: remove spaces after redirect operators pretty-options.txt: --notes accepts a ref instead of treeish rev-list-options.txt: remove reference to --show-notes argv-array: add space after `while`
2019-12-01Merge branch 'py/shortlog-list-options-for-log'Libravatar Junio C Hamano1-1/+10
Documentation pages for "git shortlog" now lists commit limiting options explicitly. * py/shortlog-list-options-for-log: git-shortlog.txt: include commit limiting options
2019-11-20pretty: implement 'reference' formatLibravatar Denton Liu1-1/+3
The standard format for referencing other commits within some projects (such as git.git) is the reference format. This is described in Documentation/SubmittingPatches as If you want to reference a previous commit in the history of a stable branch, use the format "abbreviated hash (subject, date)", like this: .... Commit f86a374 (pack-bitmap.c: fix a memleak, 2015-03-30) noticed that ... .... Since this format is so commonly used, standardize it as a pretty format. The tests that are implemented essentially show that the format-string does not change in response to various log options. This is useful because, for future developers, it shows that we've considered the limitations of the "canned format-string" approach and we are fine with them. Based-on-a-patch-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-20rev-list-options.txt: remove reference to --show-notesLibravatar Denton Liu1-1/+1
In ab18b2c0df ("log/pretty-options: Document --[no-]notes and deprecate old notes options", 2011-03-30), the `--show-notes` option was deprecated. However, this reference to it still remains. Change it to reference the replacement option: `--notes`. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-10git-shortlog.txt: include commit limiting optionsLibravatar Pratyush Yadav1-1/+10
git-shortlog, like git-log, supports options to filter what commits are used to generate the log. These options come from git-rev-list, and are documented in Documentation/rev-list-options.txt. Include those options in shortlog's documentation. But since rev-list-options.txt contains some other options that don't really apply in the context of shortlog (like diff formatting, commit ordering, etc), add a switch in rev-list-options.txt that excludes those sections from the shortlog documentation. To be more specific, include only the "Commit Limiting" and "History Simplification" sections. Signed-off-by: Pratyush Yadav <me@yadavpratyush.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-09-18Merge branch 'md/list-objects-filter-combo'Libravatar Junio C Hamano1-0/+16
The list-objects-filter API (used to create a sparse/lazy clone) learned to take a combined filter specification. * md/list-objects-filter-combo: list-objects-filter-options: make parser void list-objects-filter-options: clean up use of ALLOC_GROW list-objects-filter-options: allow mult. --filter strbuf: give URL-encoding API a char predicate fn list-objects-filter-options: make filter_spec a string_list list-objects-filter-options: move error check up list-objects-filter: implement composite filters list-objects-filter-options: always supply *errbuf list-objects-filter: put omits set in filter struct list-objects-filter: encapsulate filter components
2019-07-19Merge branch 'jk/check-connected-with-alternates'Libravatar Junio C Hamano1-0/+8
The tips of refs from the alternate object store can be used as starting point for reachability computation now. * jk/check-connected-with-alternates: check_everything_connected: assume alternate ref tips are valid object-store.h: move for_each_alternate_ref() from transport.h
2019-07-01check_everything_connected: assume alternate ref tips are validLibravatar Jeff King1-0/+8
When we receive a remote ref update to sha1 "X", we want to check that we have all of the objects needed by "X". We can assume that our repository is not currently corrupted, and therefore if we have a ref pointing at "Y", we have all of its objects. So we can stop our traversal from "X" as soon as we hit "Y". If we make the same non-corruption assumption about any repositories we use to store alternates, then we can also use their ref tips to shorten the traversal. This is especially useful when cloning with "--reference", as we otherwise do not have any local refs to check against, and have to traverse the whole history, even though the other side may have sent us few or no objects. Here are results for the included perf test (which shows off more or less the maximal savings, getting one new commit and sharing the whole history): Test HEAD^ HEAD -------------------------------------------------------------------- [on git.git] 5600.3: clone --reference 2.94(2.86+0.08) 0.09(0.08+0.01) -96.9% [on linux.git] 5600.3: clone --reference 45.74(45.34+0.41) 0.36(0.30+0.08) -99.2% Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-06-28list-objects-filter-options: allow mult. --filterLibravatar Matthew DeVore1-0/+16
Allow combining of multiple filters by simply repeating the --filter flag. Before this patch, the user had to combine them in a single flag somewhat awkwardly (e.g. --filter=combine:FOO+BAR), including URL-encoding the individual filters. To make this work, in the --filter flag parsing callback, rather than error out when we detect that the filter_options struct is already populated, we modify it in-place to contain the added sub-filter. The existing sub-filter becomes the lhs of the combined filter, and the next sub-filter becomes the rhs. We also have to URL-encode the LHS and RHS sub-filters. We can simplify the operation if the LHS is already a combine: filter. In that case, we just append the URL-encoded RHS sub-filter to the LHS spec to get the new spec. Helped-by: Emily Shaffer <emilyshaffer@google.com> Helped-by: Jeff Hostetler <git@jeffhostetler.com> Helped-by: Jeff King <peff@peff.net> Helped-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Matthew DeVore <matvore@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-06-20rev-list: teach --no-object-names to enable pipingLibravatar Emily Shaffer1-0/+10
Allow easier parsing by cat-file by giving rev-list an option to print only the OID of a non-commit object without any additional information. This is a short-term shim; later on, rev-list should be taught how to print the types of objects it finds in a format similar to cat-file's. Before this commit, the output from rev-list needed to be massaged before being piped to cat-file, like so: git rev-list --objects HEAD | cut -f 1 -d ' ' | git cat-file --batch-check This was especially unexpected when dealing with root trees, as an invisible whitespace exists at the end of the OID: git rev-list --objects --filter=tree:1 --max-count=1 HEAD | xargs -I% echo "AA%AA" Now, it can be piped directly, as in the added test case: git rev-list --objects --no-object-names HEAD | git cat-file --batch-check Signed-off-by: Emily Shaffer <emilyshaffer@google.com> Change-Id: I489bdf0a8215532e540175188883ff7541d70e1b Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-05-29list-objects-filter: disable 'sparse:path' filtersLibravatar Christian Couder1-3/+4
If someone wants to use as a filter a sparse file that is in the repository, something like "--filter=sparse:oid=<ref>:<path>" already works. So 'sparse:path' is only interesting if the sparse file is not in the repository. In this case though the current implementation has a big security issue, as it makes it possible to ask the server to read any file, like for example /etc/password, and to explore the filesystem, as well as individual lines of files. If someone is interested in using a sparse file that is not in the repository as a filter, then at the minimum a config option, such as "uploadpack.sparsePathFilter", should be implemented first to restrict the directory from which the files specified by 'sparse:path' can be read. For now though, let's just disable 'sparse:path' filters. Helped-by: Matthew DeVore <matvore@google.com> Helped-by: Jeff Hostetler <git@jeffhostetler.com> Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-04-22Merge branch 'tz/asciidoctor-fixes'Libravatar Junio C Hamano1-11/+11
Doc updates. * tz/asciidoctor-fixes: Documentation/git-status: fix titles in porcelain v2 section Documentation/rev-list-options: wrap --date=<format> block with "--"
2019-04-16Merge branch 'ma/asciidoctor-fixes-more'Libravatar Junio C Hamano1-1/+1
Documentation mark-up fixes. * ma/asciidoctor-fixes-more: Documentation: turn middle-of-line tabs into spaces git-svn.txt: drop escaping '\' that ends up being rendered git.txt: remove empty line before list continuation config/fsck.txt: avoid starting line with dash config/diff.txt: drop spurious backtick
2019-04-01Documentation/rev-list-options: wrap --date=<format> block with "--"Libravatar Todd Zullinger1-11/+11
Using "+" to continue multiple list items is more tedious and error-prone than wrapping the entire block with "--" block markers. When using asciidoctor, the list items after the --date=iso list items are incorrectly formatted when using "+" continuation. Use "--" block markers to correctly format the block. When using asciidoc there is no change in how the content is rendered. Signed-off-by: Todd Zullinger <tmz@pobox.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-03-07Merge branch 'en/combined-all-paths'Libravatar Junio C Hamano1-0/+7
Output from "diff --cc" did not show the original paths when the merge involved renames. A new option adds the paths in the original trees to the output. * en/combined-all-paths: log,diff-tree: add --combined-all-paths option
2019-03-07Documentation: turn middle-of-line tabs into spacesLibravatar Martin Ågren1-1/+1
These tabs happen to appear in columns where they don't stand out too much, so the diff here is non-obvious. Some of these are rendered differently by AsciiDoc and Asciidoctor (although the difference might be invisible!), which is how I found a few of them. The remainder were found using `git grep "[a-zA-Z.,)]$TAB[a-zA-Z]"`. Signed-off-by: Martin Ågren <martin.agren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-02-07log,diff-tree: add --combined-all-paths optionLibravatar Elijah Newren1-0/+7
The combined diff format for merges will only list one filename, even if rename or copy detection is active. For example, with raw format one might see: ::100644 100644 100644 fabadb8 cc95eb0 4866510 MM describe.c ::100755 100755 100755 52b7a2d 6d1ac04 d2ac7d7 RM bar.sh ::100644 100644 100644 e07d6c5 9042e82 ee91881 RR phooey.c This doesn't let us know what the original name of bar.sh was in the first parent, and doesn't let us know what either of the original names of phooey.c were in either of the parents. In contrast, for non-merge commits, raw format does provide original filenames (and a rename score to boot). In order to also provide original filenames for merge commits, add a --combined-all-paths option (which must be used with either -c or --cc, and is likely only useful with rename or copy detection active) so that we can print tab-separated filenames when renames are involved. This transforms the above output to: ::100644 100644 100644 fabadb8 cc95eb0 4866510 MM desc.c desc.c desc.c ::100755 100755 100755 52b7a2d 6d1ac04 d2ac7d7 RM foo.sh bar.sh bar.sh ::100644 100644 100644 e07d6c5 9042e82 ee91881 RR fooey.c fuey.c phooey.c Further, in patch format, this changes the from/to headers so that instead of just having one "from" header, we get one for each parent. For example, instead of having --- a/phooey.c +++ b/phooey.c we would see --- a/fooey.c --- a/fuey.c +++ b/phooey.c Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-02-06Merge branch 'lt/date-human'Libravatar Junio C Hamano1-0/+7
A new date format "--date=human" that morphs its output depending on how far the time is from the current time has been introduced. "--date=auto" can be used to use this new format when the output is going to the pager or to the terminal and otherwise the default format. * lt/date-human: Add `human` date format tests. Add `human` format to test-tool Add 'human' date format documentation Replace the proposed 'auto' mode with 'auto:' Add 'human' date format
2019-02-05Merge branch 'ja/doc-style-fix'Libravatar Junio C Hamano1-3/+3
Doc typo/stylo fixes. * ja/doc-style-fix: doc: tidy asciidoc style
2019-02-05Merge branch 'js/filter-options-should-use-plain-int'Libravatar Junio C Hamano1-2/+7
Update the protocol message specification to allow only the limited use of scaled quantities. This is ensure potential compatibility issues will not go out of hand. * js/filter-options-should-use-plain-int: filter-options: expand scaled numbers tree:<depth>: skip some trees even when collecting omits list-objects-filter: teach tree:# how to handle >0
2019-01-23doc: tidy asciidoc styleLibravatar Jean-Noël Avila1-3/+3
This mainly refers to enforcing indentation on additional lines of items of lists. Signed-off-by: Jean-Noël Avila <jn.avila@free.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-01-22Add 'human' date format documentationLibravatar Stephen P. Smith1-0/+7
Display date and time information in a format similar to how people write dates in other contexts. If the year isn't specified then, the reader infers the date is given is in the current year. By not displaying the redundant information, the reader concentrates on the information that is different. The patch reports relative dates based on information inferred from the date on the machine running the git command at the time the command is executed. While the format is more useful to humans by dropping inferred information, there is nothing that makes it actually human. If the 'relative' date format wasn't already implemented then using 'relative' would have been appropriate. Signed-off-by: Stephen P. Smith <ischis2@cox.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-01-15list-objects-filter: teach tree:# how to handle >0Libravatar Matthew DeVore1-2/+7
Implement positive values for <depth> in the tree:<depth> filter. The exact semantics are described in Documentation/rev-list-options.txt. The long-term goal at the end of this is to allow a partial clone to eagerly fetch an entire directory of files by fetching a tree and specifying <depth>=1. This, for instance, would make a build operation fast and convenient. It is fast because the partial clone does not need to fetch each file individually, and convenient because the user does not need to supply a sparse-checkout specification. Another way of considering this feature is as a way to reduce round-trips, since the client can get any number of levels of directories in a single request, rather than wait for each level of tree objects to come back, whose entries are used to construct a new request. Signed-off-by: Matthew DeVore <matvore@google.com> Reviewed-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-12-26Documentation: do not nest open blocksLibravatar Martin Ågren1-4/+0
It appears we try to nest open blocks, but that does not work well with Asciidoctor, which fails to indent the inner blocks. As a result, they do not visually seem to relate (as much) to the preceding paragraph as they should. Drop the outer blocks to fix the rendering of the inner ones. Asciidoc renders identically before and after this patch, both man-pages and html. This also makes Asciidoctor stop rendering a literal '+' before "Under --pretty=oneline ..." in the manuals for git-log and git-rev-list. Signed-off-by: Martin Ågren <martin.agren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-06Merge branch 'md/exclude-promisor-objects-fix'Libravatar Junio C Hamano1-1/+1
Operations on promisor objects make sense in the context of only a small subset of the commands that internally use the revisions machinery, but the "--exclude-promisor-objects" option were taken and led to nonsense results by commands like "log", to which it didn't make much sense. This has been corrected. * md/exclude-promisor-objects-fix: exclude-promisor-objects: declare when option is allowed Documentation/git-log.txt: do not show --exclude-promisor-objects
2018-10-23Documentation/git-log.txt: do not show --exclude-promisor-objectsLibravatar Matthew DeVore1-1/+1
Do not suggest that --exclude-promisor-objects is supported by git-log, since it currently BUG-crashes and it's not necessary to support it. Options that control behavior for promisor objects should be limited to a small number of commands. Signed-off-by: Matthew DeVore <matvore@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-07list-objects-filter: implement filter tree:0Libravatar Matthew DeVore1-0/+5
Teach list-objects the "tree:0" filter which allows for filtering out all tree and blob objects (unless other objects are explicitly specified by the user). The purpose of this patch is to allow smaller partial clones. The name of this filter - tree:0 - does not explicitly specify that it also filters out all blobs, but this should not cause much confusion because blobs are not at all useful without the trees that refer to them. I also considered only:commits as a name, but this is inaccurate because it suggests that annotated tags are omitted, but actually they are included. The name "tree:0" allows later filtering based on depth, i.e. "tree:1" would filter out all but the root tree and blobs. In order to avoid confusion between 0 and capital O, the documentation was worded in a somewhat round-about way that also hints at this future improvement to the feature. Signed-off-by: Matthew DeVore <matvore@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-13Merge branch 'jh/fsck-promisors'Libravatar Junio C Hamano1-0/+11
In preparation for implementing narrow/partial clone, the machinery for checking object connectivity used by gc and fsck has been taught that a missing object is OK when it is referenced by a packfile specially marked as coming from trusted repository that promises to make them available on-demand and lazily. * jh/fsck-promisors: gc: do not repack promisor packfiles rev-list: support termination at promisor objects sha1_file: support lazily fetching missing objects introduce fetch-object: fetch one promisor object index-pack: refactor writing of .keep files fsck: support promisor objects as CLI argument fsck: support referenced promisor objects fsck: support refs pointing to promisor objects fsck: introduce partialclone extension extension.partialclone: introduce partial clone extension
2017-12-28Merge branch 'sb/describe-blob'Libravatar Junio C Hamano1-0/+5
"git describe" was taught to dig trees deeper to find a <commit-ish>:<path> that refers to a given blob object. * sb/describe-blob: builtin/describe.c: describe a blob builtin/describe.c: factor out describe_commit builtin/describe.c: print debug statements earlier builtin/describe.c: rename `oid` to avoid variable shadowing revision.h: introduce blob/tree walking in order of the commits list-objects.c: factor out traverse_trees_and_blobs t6120: fix typo in test name
2017-12-08rev-list: support termination at promisor objectsLibravatar Jonathan Tan1-0/+11
Teach rev-list to support termination of an object traversal at any object from a promisor remote (whether one that the local repo also has, or one that the local repo knows about because it has another promisor object that references it). This will be used subsequently in gc and in the connectivity check used by fetch. For efficiency, if an object is referenced by a promisor object, and is in the local repo only as a non-promisor object, object traversal will not stop there. This is to avoid building the list of promisor object references. (In list-objects.c, the case where obj is NULL in process_blob() and process_tree() do not need to be changed because those happen only when there is a conflict between the expected type and the existing object. If the object doesn't exist, an object will be synthesized, which is fine.) Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-12-05rev-list: support --no-filter argumentLibravatar Jeff Hostetler1-5/+10
Teach rev-list to support --no-filter to override a previous --filter=<filter_spec> argument. This is to be consistent with commands that use OPT_PARSE macros. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-11-22rev-list: add list-objects filtering supportLibravatar Jeff Hostetler1-0/+36
Teach rev-list to use the filtering provided by the traverse_commit_list_filtered() interface to omit unwanted objects from the result. Object filtering is only allowed when one of the "--objects*" options are used. When the "--filter-print-omitted" option is used, the omitted objects are printed at the end. These are marked with a "~". This option can be combined with "--quiet" to get a list of just the omitted objects. Add t6112 test. In the future, we will introduce a "partial clone" mechanism wherein an object in a repo, obtained from a remote, may reference a missing object that can be dynamically fetched from that remote once needed. This "partial clone" mechanism will have a way, sometimes slow, of determining if a missing link is one of the links expected to be produced by this mechanism. This patch introduces handling of missing objects to help debugging and development of the "partial clone" mechanism, and once the mechanism is implemented, for a power user to perform operations that are missing-object aware without incurring the cost of checking if a missing link is expected. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Reviewed-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-11-16revision.h: introduce blob/tree walking in order of the commitsLibravatar Stefan Beller1-0/+5
The functionality to list tree objects in the order they were seen while traversing the commits will be used in one of the next commits, where we teach `git describe` to describe not only commits, but blobs, too. The change in list-objects.c is rather minimal as we'll be re-using the infrastructure put in place of the revision walking machinery. For example one could expect that add_pending_tree is not called, but rather commit->tree is directly passed to the tree traversal function. This however requires a lot more code than just emptying the queue containing trees after each commit. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-10-28Merge branch 'sg/rev-list-doc-reorder-fix'Libravatar Junio C Hamano1-3/+3
Doc flow fix. * sg/rev-list-doc-reorder-fix: rev-list-options.txt: use correct directional reference
2017-10-27rev-list-options.txt: use correct directional referenceLibravatar SZEDER Gábor1-3/+3
The descriptions of the options '--parents', '--children' and '--graph' say "see 'History Simplification' below", although the referred section is in fact above the description of these options. Send readers in the right direction by saying "above" instead of "below". Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-08-24rev-list: expose and document --single-worktreeLibravatar Nguyễn Thái Ngọc Duy1-0/+8
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-06-22Merge branch 'rs/strbuf-addftime-zZ'Libravatar Junio C Hamano1-1/+2
As there is no portable way to pass timezone information to strftime, some output format from "git log" and friends are impossible to produce. Teach our own strbuf_addftime to replace %z and %Z with caller-supplied values to help working around this. * rs/strbuf-addftime-zZ: date: use localtime() for "-local" time formats t0006: check --date=format zone offsets strbuf: let strbuf_addftime handle %z and %Z itself
2017-06-15strbuf: let strbuf_addftime handle %z and %Z itselfLibravatar René Scharfe1-1/+2
There is no portable way to pass timezone information to strftime. Add parameters for timezone offset and name to strbuf_addftime and let it handle the timezone-related format specifiers %z and %Z internally. Callers can opt out for %Z by passing NULL as timezone name. %z is always handled internally -- this helps on Windows, where strftime would expand it to a timezone name (same as %Z), in violation of POSIX. Modifiers are not handled, e.g. %Ez is still passed to strftime. Use an empty string as timezone name in show_date (the only current caller) for now because we only have the timezone offset in non-local mode. POSIX allows %Z to resolve to an empty string in case of missing information. Helped-by: Ulrich Mueller <ulm@gentoo.org> Helped-by: Jeff King <peff@peff.net> Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-05-26log: add -P as a synonym for --perl-regexpLibravatar Ævar Arnfjörð Bjarmason1-0/+1
Add a short -P option as a synonym for the longer --perl-regexp, for consistency with the options the corresponding grep invocations accept. This was intentionally omitted in commit 727b6fc3ed ("log --grep: accept --basic-regexp and --perl-regexp", 2012-10-03) for unspecified future use. Make it consistent with "grep" rather than to keep it open for future use, and to avoid the confusion of -P meaning different things for grep & log, as is the case with the -G option. As noted in the aforementioned commit the --basic-regexp option can't have a corresponding -G argument, as the log command already uses that for -G<regex>. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-05-21grep & rev-list doc: stop promising libpcre for --perl-regexpLibravatar Ævar Arnfjörð Bjarmason1-2/+6
Stop promising in our grep & rev-list options documentation that we're always going to be using libpcre when given the --perl-regexp option. Instead talk about using "Perl-compatible regular expressions" and using these types of patterns using "a compile-time dependency". Saying "libpcre" means that we're talking about libpcre.so, which is always going to be v1. This change is part of an ongoing saga to add support for libpcre2, which comes with PCRE v2. In the future we might use some completely unrelated library to provide perl-compatible regular expression support. By wording the documentation differently and not promising any specific version of PCRE or even PCRE at all we have more wiggle room to change the implementation. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-08rev-list-options.txt: update --all about HEADLibravatar Nguyễn Thái Ngọc Duy1-2/+2
This is the document patch for f0298cf1c6 (revision walker: include a detached HEAD in --all - 2009-01-16). Even though that commit is about detached HEAD, as Jeff pointed out, always adding HEAD in that case may have subtle differences with --source or --exclude. So the document mentions nothing about the detached-ness. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-10-03Merge branch 'pb/rev-list-reverse-with-count'Libravatar Junio C Hamano1-2/+3
Doc update to clarify what "log -3 --reverse" does. * pb/rev-list-reverse-with-count: rev-list-options: clarify the usage of --reverse
2016-09-27rev-list-options: clarify the usage of --reverseLibravatar Pranit Bauva1-2/+3
Users often wonder if the oldest or the newest n commits are shown by `log -n --reverse`. Clarify that --reverse kicks in only after deciding which commits are to be shown to unconfuse them. Reported-by: Ruediger Meier <sweet_f_a@gmx.de> Signed-off-by: Pranit Bauva <pranit.bauva@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-09-08Merge branch 'po/range-doc'Libravatar Junio C Hamano1-2/+2
Clarify various ways to specify the "revision ranges" in the documentation. * po/range-doc: doc: revisions: sort examples and fix alignment of the unchanged doc: revisions: show revision expansion in examples doc: revisions - clarify reachability examples doc: revisions - define `reachable` doc: gitrevisions - clarify 'latter case' is revision walk doc: gitrevisions - use 'reachable' in page description doc: revisions: single vs multi-parent notation comparison doc: revisions: extra clarification of <rev>^! notation effects doc: revisions: give headings for the two and three dot notations doc: show the actual left, right, and boundary marks doc: revisions - name the left and right sides doc: use 'symmetric difference' consistently
2016-08-08Merge branch 'jk/reflog-date'Libravatar Junio C Hamano1-7/+33
The reflog output format is documented better, and a new format --date=unix to report the seconds-since-epoch (without timezone) has been added. * jk/reflog-date: date: clarify --date=raw description date: add "unix" format date: document and test "raw-local" mode doc/pretty-formats: explain shortening of %gd doc/pretty-formats: describe index/time formats for %gd doc/rev-list-options: explain "-g" output formats doc/rev-list-options: clarify "commit@{Nth}" for "-g" option
2016-07-27date: clarify --date=raw descriptionLibravatar Junio C Hamano1-1/+5
"... in the internal raw Git format `%s %z` format." was clunky in repeating "format" twice, and would not have helped those who do not immediately get that these are strftime(3) conversion specifiers. Explain them with words, and demote the mention of `%s %z` to a hint to help those who know them. Helped-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-27date: add "unix" formatLibravatar Jeff King1-0/+4
We already have "--date=raw", which is a Unix epoch timestamp plus a contextual timezone (either the author's or the local). But one may not care about the timezone and just want the epoch timestamp by itself. It's not hard to parse the two apart, but if you are using a pretty-print format, you may want git to show the "finished" form that the user will see. We can accomodate this by adding a new date format, "unix", which is basically "raw" without the timezone. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-27date: document and test "raw-local" modeLibravatar Jeff King1-2/+5
The "raw" format shows a Unix epoch timestamp, but with a timezone tacked on. The timestamp is not _in_ that zone, but it is extra information about the time (by default, the zone the author was in). The documentation claims that "raw-local" does not work. It does, but the end result is rather subtle. Let's describe it in better detail, and test to make sure it works (namely, the epoch time doesn't change, but the zone does). While we are rewording the documentation in this area, let's not use the phrase "does not work" for the remaining option, "--date=relative". It's vague; do we accept it or not? We do accept it, but it has no effect (which is a reasonable outcome). We should also refer to the option not as "--relative" (which is the historical synonym, and does not take "-local" at all), but as "--date=relative". Helped-by: Jakub Narębski <jnareb@gmail.com> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-22doc/rev-list-options: explain "-g" output formatsLibravatar Jeff King1-4/+19
We document that asking for HEAD@{now} will switch the output to show HEAD@{timestamp}, but not that specifying `--date` has a similar effect, or that it can be overridden with HEAD@{0}. Let's do so. These rules come from 794151e (reflog-walk: always make HEAD@{0} show indexed selectors, 2012-05-04), though that is simply the culmination of years of these heuristics growing organically. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>