kernel/git - git - PowerEL Git System

Commit Graph

Author	SHA1	Message	Date
Jorge Lopez Silva	af026519c9	http: add environment variable support for HTTPS proxies Add 4 environment variables that can be used to configure the proxy cert, proxy ssl key, the proxy cert password protected flag, and the CA info for the proxy. Documentation for the options was also updated. Signed-off-by: Jorge Lopez Silva <jalopezsilva@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Jorge Lopez Silva	88238e02d5	http: add client cert support for HTTPS proxies Git supports performing connections to HTTPS proxies, but we don't support doing mutual authentication with them (through TLS). Add the necessary options to be able to send a client certificate to the HTTPS proxy. A client certificate can provide an alternative way of authentication instead of using 'ProxyAuthorization' or other more common methods of authentication. Libcurl supports this functionality already, so changes are somewhat minimal. The feature is guarded by the first available libcurl version that supports these options. 4 configuration options are added and documented, cert, key, cert password protected and CA info. The CA info should be used to specify a different CA path to validate the HTTPS proxy cert. Signed-off-by: Jorge Lopez Silva <jalopezsilva@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Junio C Hamano	076cbdcd73	Git 2.26-rc0 Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Junio C Hamano	2f268890c2	The eighth batch for 2.26 Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
brian m. carlson	1bdca81641	fast-import: add options for rewriting submodules When converting a repository using submodules from one hash algorithm to another, it is necessary to rewrite the submodules from the old algorithm to the new algorithm, since only references to submodules, not their contents, are written to the fast-export stream. Without rewriting the submodules, fast-import fails with an "Invalid dataref" error when encountering a submodule in another algorithm. Add a pair of options, --rewrite-submodules-from and --rewrite-submodules-to, that take a list of marks produced by fast-export and fast-import, respectively, when processing the submodule. Use these marks to map the submodule commits from the old algorithm to the new algorithm. We read marks into two corresponding struct mark_set objects and then perform a mapping from the old to the new using a hash table. This lets us reuse the same mark parsing code that is used elsewhere and allows us to efficiently read and match marks based on their ID, since mark files need not be sorted. Note that because we're using a khash table for the object IDs, and this table copies values of struct object_id instead of taking references to them, it's necessary to zero the struct object_id values that we use to insert and look up in the table. Otherwise, we would end up with SHA-1 values that don't match because of whatever stack garbage might be left in the unused area. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Junio C Hamano	1ff466c018	Documentation: clarify that `-h` alone stands for `help` We seem to be getting new users who get confused every 20 months or so with this "-h consistently wants to give help, but the commands to which `-h` may feel like a good short-form option want it to mean something else." compromise. Let's make sure that the readers know that `git cmd -h` (with no other arguments) is a way to get usage text, even for commands like ls-remote and grep. Also extend the description that is already in gitcli.txt, as it is clear that users still get confused with the current text. Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Junio C Hamano	2d2118b814	The seventh batch for 2.26 Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Emily Shaffer	132f600b06	clone: pass --single-branch during --recurse-submodules Previously, performing "git clone --recurse-submodules --single-branch" resulted in submodules cloning all branches even though the superproject cloned only one branch. Pipe --single-branch through the submodule helper framework to make it to 'clone' later on. Signed-off-by: Emily Shaffer <emilyshaffer@google.com> Acked-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
brian m. carlson	3c9331a129	builtin/init-db: add environment variable for new repo hash For the foreseeable future, SHA-1 will be the default algorithm for Git. However, when running the testsuite, we want to be able to test an arbitrary algorithm. It would be quite burdensome and very untidy to have to specify the algorithm we'd like to test every time we initialized a new repository somewhere in the testsuite, so add an environment variable to allow us to specify the default hash algorithm for Git. This has the benefit that we can set it once for the entire testsuite and not have to think about it. In the future, users can also use it to set the default for their repositories if they would like to do so. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
brian m. carlson	8b8f7189df	builtin/init-db: allow specifying hash algorithm on command line Allow the user to specify the hash algorithm on the command line by using the --object-format option to git init. Validate that the user is not attempting to reinitialize a repository with a different hash algorithm. Ensure that if we are writing a non-SHA-1 repository that we set the repository version to 1 and write the objectFormat extension. Restrict this option to work only when ENABLE_SHA256 is set until the codebase is in a situation to fully support this. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Paolo Bonzini	aa416b22ea	am: support --show-current-patch=diff to retrieve .git/rebase-apply/patch When "git am --show-current-patch" was added in commit `984913a210` ("am: add --show-current-patch", 2018-02-12), "git am" started recommending it as a replacement for .git/rebase-merge/patch. Unfortunately the suggestion is somewhat misguided; for example, the output of "git am --show-current-patch" cannot be passed to "git apply" if it is encoded as quoted-printable or base64. Add a new mode to "git am --show-current-patch" in order to straighten the suggestion. Reported-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Paolo Bonzini	f3b4822899	am: support --show-current-patch=raw as a synonym for--show-current-patch When "git am --show-current-patch" was added in commit `984913a210` ("am: add --show-current-patch", 2018-02-12), "git am" started recommending it as a replacement for .git/rebase-merge/patch. Unfortunately the suggestion is somewhat misguided; for example, the output "git am --show-current-patch" cannot be passed to "git apply" if it is encoded as quoted-printable or base64. To simplify worktree operations and to avoid that users poke into .git, it would be better if "git am" also provided a mode that copies .git/rebase-merge/patch to stdout. One possibility could be to have completely separate options, introducing for example --show-current-message (for .git/rebase-apply/NNNN) and --show-current-diff (for .git/rebase-apply/patch), while possibly deprecating --show-current-patch. That would even remove the need for the first two patches in the series. However, the long common prefix would have prevented using an abbreviated option such as "--show". Therefore, I chose instead to add a string argument to --show-current-patch. The new argument is optional, so that "git am --show-current-patch"'s behavior remains backwards-compatible. The next choice to make is how to handle multiple --show-current-patch options. Right now, something like "git am --abort --show-current-patch" is rejected, and the previous suggestion would likewise have naturally rejected a command line like git am --show-current-message --show-current-diff Therefore, I decided to also reject for example git am --show-current-patch=diff --show-current-patch=raw In other words the whole of --show-current-patch=xxx (including the optional argument) is treated as the command mode. I found this to be more consistent and intuitive, even though it differs from the usual "last one wins" semantics of the git command line. Add the code to parse submodes based on the above design, where for now "raw" is the only valid submode. "raw" prints the full e-mail message just like "git am --show-current-patch". Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
brian m. carlson	46fd7b3900	credential: allow wildcard patterns when matching config In some cases, a user will want to use a specific credential helper for a wildcard pattern, such as https://*.corp.example.com. We have code that handles this already with the urlmatch code, so let's use that instead of our custom code. Since the urlmatch code is a superset of our current matching in terms of capabilities, there shouldn't be any cases of things that matched previously that don't match now. However, in addition to wildcard matching, we now use partial path matching, which can cause slightly different behavior in the case that a helper applies to the prefix (considering path components) of the remote URL. While different, this is probably the behavior people were wanting anyway. Since we're using the urlmatch code, we need to encode the components we've gotten into a URL to match, so add a function to percent-encode data and format the URL with it. We now also no longer need to the custom code to match URLs, so let's remove it. Additionally, the urlmatch code always looks for the best match, whereas we want all matches for credential helpers to preserve existing behavior. Let's add an optional field, select_fn, that lets us control which items we want (in this case, all of them) and default it to the best-match code that already exists for other users. Signed-off-by: brian m. carlson <bk2204@github.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Alexandr Miloslavskiy	8a98758a8d	stash push: support the --pathspec-from-file option Decisions taken for simplicity: 1) For now, `--pathspec-from-file` is declared incompatible with `--patch`, even when <file> is not `-`. Such use case is not really expected. 2) It is not allowed to pass pathspec in both args and file. Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@syntevo.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Alexandr Miloslavskiy	3f3d8068f5	doc: stash: synchronize <pathspec> description This patch continues the effort that is already applied to `git commit`, `git reset`, `git checkout` etc. 1) Added reference to 'linkgit:gitglossary[7]'. 2) Fixed mentions of incorrectly plural "pathspecs". Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@syntevo.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Alexandr Miloslavskiy	b22909144c	doc: stash: document more options Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@syntevo.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Alexandr Miloslavskiy	0093abc286	doc: stash: split options from description (2) Together with the previous patch, this brings docs for `git stash` to the common layout used for most other commands (see for example docs for `git add`, `git commit`, `git checkout`, `git reset`) where all options are documented in a separate list. After some thinking and having a look at docs for `git svn` and `git `submodule`, I have arrived at following conclusions: * Options should be described in a list rather then text to facilitate lookup for user. * Single list is better then multiple lists because it avoids copy&pasting descriptions between subcommands (or, without copy&pasting, user will have to look up missing options in other subcommands). * As a consequence, commands section should only give brief info and list possible options. Since options have good enough names, user will only need to look up the "interesting" options. * Every option should list which subcommands support it. I have decided to use alphabetical sorting in the list of options to facilitate lookup for user. There is some text editing done to make old descriptions better fit into the list-style format. Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@syntevo.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Alexandr Miloslavskiy	2b7460d167	doc: stash: split options from description (1) This patch moves blocks of text as-is to make it easier to review the next patch. Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@syntevo.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Alexandr Miloslavskiy	5f393dc3aa	rm: support the --pathspec-from-file option Decisions taken for simplicity: 1) It is not allowed to pass pathspec in both args and file. Adjustments were needed for `if (!argc)` block: This code actually means "pathspec is not present". Previously, pathspec could only come from commandline arguments, so testing for `argc` was a valid way of testing for the presence of pathspec. But this is no longer true with `--pathspec-from-file`. During the entire `--pathspec-from-file` story, I tried to keep its behavior very close to giving pathspec on commandline, so that switching from one to another doesn't involve any surprises. However, throwing usage at user in the case of empty `--pathspec-from-file` would puzzle because there's nothing wrong with "usage" (that is, argc/argv array). On the other hand, throwing usage in the old case also feels bad to me. While it's less of a puzzle, I (as user) never liked the experience of comparing my commandline to "usage", trying to spot a difference. Since it's already known what the error is, it feels a lot better to give that specific error to user. Judging from [1] it doesn't seem that showing usage in this case was important (the patch was to avoid segfault), and it doesn't fit into how other commands react to empty pathspec (see for example `git add` with a custom message). Therefore, I decided to show new error text in both cases. In order to continue testing for error early, I moved `parse_pathspec()` higher. Now it happens before `read_cache()` / `hold_locked_index()` / `setup_work_tree()`, which shouldn't cause any issues. [1] Commit `7612a1ef` ("git-rm: honor -n flag" 2006-06-09) Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@syntevo.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Elijah Newren	7ec8125fba	check-ignore: fix documentation and implementation to match check-ignore has two different modes, and neither of these modes has an implementation that matches the documentation. These modes differ in whether they just print paths or whether they also print the final pattern matched by the path. The fix is different for both modes, so I'll discuss both separately. === First (default) mode === The first mode is documented as: For each pathname given via the command-line or from a file via --stdin, check whether the file is excluded by .gitignore (or other input files to the exclude mechanism) and output the path if it is excluded. However, it fails to do this because it did not account for negated patterns. Commands other than check-ignore verify exclusion rules via calling ... -> treat_one_path() -> is_excluded() -> last_matching_pattern() while check-ignore has a call path of the form: ... -> check_ignore() -> last_matching_pattern() The fact that the latter does not include the call to is_excluded() means that it is susceptible to to messing up negated patterns (since that is the only significant thing is_excluded() adds over last_matching_pattern()). Unfortunately, we can't make it just call is_excluded(), because the same codepath is used by the verbose mode which needs to know the matched pattern in question. This brings us to... === Second (verbose) mode === The second mode, known as verbose mode, references the first in the documentation and says: Also output details about the matching pattern (if any) for each given pathname. For precedence rules within and between exclude sources, see gitignore(5). The "Also" means it will print patterns that match the exclude rules as noted for the first mode, and also print which pattern matches. Unless more information is printed than just pathname and pattern (which is not done), this definition is somewhat ill-defined and perhaps even self-contradictory for negated patterns: A path which matches a negated exclude pattern is NOT excluded and thus shouldn't be printed by the former logic, while it certainly does match one of the explicit patterns and thus should be printed by the latter logic. === Resolution == Since the second mode exists to find out which pattern matches given paths, and showing the user a pattern that begins with a '!' is sufficient for them to figure out whether the pattern is excluded, the existing behavior is desirable -- we just need to update the documentation to match the implementation (i.e. it is about printing which pattern is matched by paths, not about showing which paths are excluded). For the first or default mode, users just want to know whether a pattern is excluded. As such, the existing documentation is desirable; change the implementation to match the documented behavior. Finally, also adjust a few tests in t0008 that were caught up by this discrepancy in how negated paths were handled. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Jeff King	2607d39da3	doc-diff: use single-colon rule in rendering Makefile When rendering the troff manpages to text via "man", we create an ad-hoc Makefile and feed it to "make". The purpose here is two-fold: - reuse results from a prior interrupted render of the same tree - use make's -j option to build in parallel But the second part doesn't seem to work (at least with my version of GNU make, 4.2.1). It just runs one render at a time. We use a double-colon "all" rule for each file, like: all:: foo foo: ...actual render recipe... all:: bar bar: ...actual render recipe... ...and so on... And it's this double-colon that seems to inhibit the parallelism. We can just switch to a regular single-colon rule. Even though we do have multiple rules for "all" here, we don't have any recipe to execute for "all" (we only care about triggering its dependencies), so the distinction is irrelevant. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Jeff King	0aa6ce3094	doc/config/push: use longer "--" line for preformatted example The example for the push.pushOption config tries to create a preformatted section, but uses only two dashes in its "--" line. In AsciiDoc this is an "open block", with no type; the lines end up jumbled because they're formatted as paragraphs. We need four or more dashes to make it a "listing block" that will respect the linebreaks. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Junio C Hamano	51ebf55b93	The sixth batch for 2.26 Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Junio C Hamano	c522f061d5	Git 2.25.1 Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Elijah Newren	10cdb9f38a	rebase: rename the two primary rebase backends Two related changes, with separate rationale for each: Rename the 'interactive' backend to 'merge' because: * 'interactive' as a name caused confusion; this backend has been used for many kinds of non-interactive rebases, and will probably be used in the future for more non-interactive rebases than interactive ones given that we are making it the default. * 'interactive' is not the underlying strategy; merging is. * the directory where state is stored is not called .git/rebase-interactive but .git/rebase-merge. Rename the 'am' backend to 'apply' because: * Few users are familiar with git-am as a reference point. * Related to the above, the name 'am' makes sentences in the documentation harder for users to read and comprehend (they may read it as the verb from "I am"); avoiding this difficult places a large burden on anyone writing documentation about this backend to be very careful with quoting and sentence structure and often forces annoying redundancy to try to avoid such problems. * Users stumble over pronunciation ("am" as in "I am a person not a backend" or "am" as in "the first and thirteenth letters in the alphabet in order are "A-M"); this may drive confusion when one user tries to explain to another what they are doing. * While "am" is the tool driving this backend, the tool driving git-am is git-apply, and since we are driving towards lower-level tools for the naming of the merge backend we may as well do so here too. * The directory where state is stored has never been called .git/rebase-am, it was always called .git/rebase-apply. For all the reasons listed above: * Modify the documentation to refer to the backends with the new names * Provide a brief note in the documentation connecting the new names to the old names in case users run across the old names anywhere (e.g. in old release notes or older versions of the documentation) * Change the (new) --am command line flag to --apply * Rename some enums, variables, and functions to reinforce the new backend names for us as well. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Elijah Newren	2ac0d6273f	rebase: change the default backend from "am" to "merge" The am-backend drops information and thus limits what we can do: * lack of full tree information from the original commits means we cannot do directory rename detection and warn users that they might want to move some of their new files that they placed in old directories to prevent their becoming orphaned.[1] * reduction in context from only having a few lines beyond those changed means that when context lines are non-unique we can apply patches incorrectly.[2] * lack of access to original commits means that conflict marker annotation has less information available. * the am backend has safety problems with an ill-timed interrupt. Also, the merge/interactive backend have far more abilities, appear to currently have a slight performance advantage[3] and have room for more optimizations than the am backend[4] (and work is underway to take advantage of some of those possibilities). [1] https://lore.kernel.org/git/xmqqh8jeh1id.fsf@gitster-ct.c.googlers.com/ [2] https://lore.kernel.org/git/CABPp-BGiu2nVMQY_t-rnFR5GQUz_ipyEE8oDocKeO+h+t4Mn4A@mail.gmail.com/ [3] https://public-inbox.org/git/CABPp-BF=ev03WgODk6TMQmuNoatg2kiEe5DR__gJ0OTVqHSnfQ@mail.gmail.com/ [4] https://lore.kernel.org/git/CABPp-BGh7yW69QwxQb13K0HM38NKmQif3A6C6UULEKYnkEJ5vA@mail.gmail.com/ Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Elijah Newren	8295ed690b	rebase: make the backend configurable via config setting Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Elijah Newren	52eb738d6b	rebase: add an --am option Currently, this option doesn't do anything except error out if any options requiring the interactive-backend are also passed. However, when we make the default backend configurable later in this series, this flag will provide a way to override the config setting. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Elijah Newren	be50c938df	git-rebase.txt: add more details about behavioral differences of backends Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Elijah Newren	e98c4269c8	rebase (interactive-backend): fix handling of commits that become empty As established in the previous commit and commit `b00bf1c9a8` (git-rebase: make --allow-empty-message the default, 2018-06-27), the behavior for rebase with different backends in various edge or corner cases is often more happenstance than design. This commit addresses another such corner case: commits which "become empty". A careful reader may note that there are two types of commits which would become empty due to a rebase: * [clean cherry-pick] Commits which are clean cherry-picks of upstream commits, as determined by `git log --cherry-mark ...`. Re-applying these commits would result in an empty set of changes and a duplicative commit message; i.e. these are commits that have "already been applied" upstream. * [become empty] Commits which are not empty to start, are not clean cherry-picks of upstream commits, but which still become empty after being rebased. This happens e.g. when a commit has changes which are a strict subset of the changes in an upstream commit, or when the changes of a commit can be found spread across or among several upstream commits. Clearly, in both cases the changes in the commit in question are found upstream already, but the commit message may not be in the latter case. When cherry-mark can determine a commit is already upstream, then because of how cherry-mark works this means the upstream commit message was about the exact same set of changes. Thus, the commit messages can be assumed to be fully interchangeable (and are in fact likely to be completely identical). As such, the clean cherry-pick case represents a case when there is no information to be gained by keeping the extra commit around. All rebase types have always dropped these commits, and no one to my knowledge has ever requested that we do otherwise. For many of the become empty cases (and likely even most), we will also be able to drop the commit without loss of information -- but this isn't quite always the case. Since these commits represent cases that were not clean cherry-picks, there is no upstream commit message explaining the same set of changes. Projects with good commit message hygiene will likely have the explanation from our commit message contained within or spread among the relevant upstream commits, but not all projects run that way. As such, the commit message of the commit being rebased may have reasoning that suggests additional changes that should be made to adapt to the new base, or it may have information that someone wants to add as a note to another commit, or perhaps someone even wants to create an empty commit with the commit message as-is. Junio commented on the "become-empty" types of commits as follows[1]: WRT a change that ends up being empty (as opposed to a change that is empty from the beginning), I'd think that the current behaviour is desireable one. "am" based rebase is solely to transplant an existing history and want to stop much less than "interactive" one whose purpose is to polish a series before making it publishable, and asking for confirmation ("this has become empty--do you want to drop it?") is more appropriate from the workflow point of view. [1] https://lore.kernel.org/git/xmqqfu1fswdh.fsf@gitster-ct.c.googlers.com/ I would simply add that his arguments for "am"-based rebases actually apply to all non-explicitly-interactive rebases. Also, since we are stating that different cases should have different defaults, it may be worth providing a flag to allow users to select which behavior they want for these commits. Introduce a new command line flag for selecting the desired behavior: --empty={drop,keep,ask} with the definitions: drop: drop commits which become empty keep: keep commits which become empty ask: provide the user a chance to interact and pick what to do with commits which become empty on a case-by-case basis In line with Junio's suggestion, if the --empty flag is not specified, pick defaults as follows: explicitly interactive: ask otherwise: drop Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Elijah Newren	d48e5e21da	rebase (interactive-backend): make --keep-empty the default Different rebase backends have different treatment for commits which start empty (i.e. have no changes relative to their parent), and the --keep-empty option was added at some point to allow adjusting behavior. The handling of commits which start empty is actually quite similar to commit `b00bf1c9a8` (git-rebase: make --allow-empty-message the default, 2018-06-27), which pointed out that the behavior for various backends is often more happenstance than design. The specific change made in that commit is actually quite relevant as well and much of the logic there directly applies here. It makes a lot of sense in 'git commit' to error out on the creation of empty commits, unless an override flag is provided. However, once someone determines that there is a rare case that merits using the manual override to create such a commit, it is somewhere between annoying and harmful to have to take extra steps to keep such intentional commits around. Granted, empty commits are quite rare, which is why handling of them doesn't get considered much and folks tend to defer to existing (accidental) behavior and assume there was a reason for it, leading them to just add flags (--keep-empty in this case) that allow them to override the bad defaults. Fix the interactive backend so that --keep-empty is the default, much like we did with --allow-empty-message. The am backend should also be fixed to have --keep-empty semantics for commits that start empty, but that is not included in this patch other than a testcase documenting the failure. Note that there was one test in t3421 which appears to have been written expecting --keep-empty to not be the default as correct behavior. This test was introduced in commit `00b8be5a4d` ("add tests for rebasing of empty commits", 2013-06-06), which was part of a series focusing on rebase topology and which had an interesting original cover letter at https://lore.kernel.org/git/1347949878-12578-1-git-send-email-martinvonz@gmail.com/ which noted Your input especially appreciated on whether you agree with the intent of the test cases. and then went into a long example about how one of the many tests added had several questions about whether it was correct. As such, I believe most the tests in that series were about testing rebase topology with as many different flags as possible and were not trying to state in general how those flags should behave otherwise. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Jeff King	cc4f2eb828	doc: move credential helper info into gitcredentials(7) The details of how credential helpers can be called or implemented were originally covered in Documentation/technical/. Those are topics that end users might care about (and we even referenced them in the credentials manpage), but those docs typically don't ship as part of the end user documentation, making them less useful. This situation got slightly worse recently in `f3b9055624` (credential: move doc to credential.h, 2019-11-17), where we moved them into the C header file, making them even harder to find. So let's move put this information into the gitcredentials(7) documentation, which is meant to describe the overall concepts of our credential handling. This was already pointing to the API docs for these concepts, so we can just include it inline instead. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Junio C Hamano	7ae7e234c7	The fifth batch for 2.26 Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Emily Shaffer	a2dc43414c	MyFirstContribution: rephrase contact info Make an effort not to discourage new users from mailing questions to git@vger.kernel.org, and explain the purpose of the mentoring list in contrast to the main list. Signed-off-by: Emily Shaffer <emilyshaffer@google.com> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Ben Keene	38ecf75244	git-p4: add p4 submit hooks The git command "commit" supports a number of hooks that support changing the behavior of the commit command. The git-p4.py program only has one existing hook, "p4-pre-submit". This command occurs early in the process. There are no hooks in the process flow for modifying the P4 changelist text programmatically. Adds 3 new hooks to git-p4.py to the submit option. The new hooks are: * p4-prepare-changelist - Execute this hook after the changelist file has been created. The hook will be executed even if the --prepare-p4-only option is set. This hook ignores the --no-verify option in keeping with the existing behavior of git commit. * p4-changelist - Execute this hook after the user has edited the changelist. Do not execute this hook if the user has selected the --prepare-p4-only option. This hook will honor the --no-verify, following the conventions of git commit. * p4-post-changelist - Execute this hook after the P4 submission process has completed successfully. This hook takes no parameters and is executed regardless of the --no-verify option. It's return value will not be checked. The calls to the new hooks: p4-prepare-changelist, p4-changelist, and p4-post-changelist should all be called inside the try-finally block. Signed-off-by: Ben Keene <seraphire@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Junio C Hamano	d8437c57fa	The fourth batch for 2.26 Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Ben Keene	4935c458c2	git-p4: add --no-verify option Add new command line option --no-verify: Add a new command line option "--no-verify" to the Submit command of git-p4.py. This option will function in the spirit of the existing --no-verify command line option found in git commit. It will cause the P4 Submit function to ignore the existing p4-pre-submit. Change the execution of the existing trigger p4-pre-submit to honor the --no-verify option. Before exiting on failure of this hook, display text to the user explaining which hook has failed and the impact of using the --no-verify option. Change the call of the p4-pre-submit hook to use the new run_git_hook function. This is in preparation of additional hooks to be added. Signed-off-by: Ben Keene <seraphire@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Eyal Soha	1751b09a92	color.c: support bright aixterm colors These colors are the bright variants of the 3-bit colors. Instead of 30-37 range for the foreground and 40-47 range for the background, they live in 90-97 and 100-107 range, respectively. Signed-off-by: Eyal Soha <shawarmakarma@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Derrick Stolee	2631dc879d	sparse-checkout: create 'add' subcommand When using the sparse-checkout feature, a user may want to incrementally grow their sparse-checkout pattern set. Allow adding patterns using a new 'add' subcommand. This is not much different from the 'set' subcommand, because we still want to allow the '--stdin' option and interpret inputs as directories when in cone mode and patterns otherwise. When in cone mode, we are growing the cone. This may actually reduce the set of patterns when adding directory A when A/B is already a directory in the cone. Test the different cases: siblings, parents, ancestors. When not in cone mode, we can only assume the patterns should be appended to the sparse-checkout file. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Bert Wesarg	88f8576eda	pull --rebase/remote rename: document and honor single-letter abbreviations rebase types When `46af44b07d` (pull --rebase=<type>: allow single-letter abbreviations for the type, 2018-08-04) landed in Git, it had the side effect that not only 'pull --rebase=<type>' accepted the single-letter abbreviations but also the 'pull.rebase' and 'branch.<name>.rebase' configurations. However, 'git remote rename' did not honor these single-letter abbreviations when reading the 'branch..rebase' configurations. We now document the single-letter abbreviations and both code places share a common function to parse the values of 'git pull --rebase=', 'pull.rebase', and 'branches.*.rebase'. The only functional change is the handling of the `branch_info::rebase` value. Before it was an unsigned enum, thus the truth value could be checked with `branch_info::rebase != 0`. But `enum rebase_type` is signed, thus the truth value must now be checked with `branch_info::rebase >= REBASE_TRUE` Signed-off-by: Bert Wesarg <bert.wesarg@googlemail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Matthew Rogers	145d59f482	config: add '--show-scope' to print the scope of a config value When a user queries config values with --show-origin, often it's difficult to determine what the actual "scope" (local, global, etc.) of a given value is based on just the origin file. Teach 'git config' the '--show-scope' option to print the scope of all displayed config values. Note that we should never see anything of "submodule" scope as that is only ever used by submodule-config.c when parsing the '.gitmodules' file. Signed-off-by: Matthew Rogers <mattr94@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Johannes Berg	eb31044ff7	pack-format: correct multi-pack-index description The description of the multi-pack-index contains a small bug, if all offsets are < 2^32 then there will be no LOFF chunk, not only if they're all < 2^31 (since the highest bit is only needed as the "LOFF-escape" when that's actually needed.) Correct this, and clarify that in that case only offsets up to 2^31-1 can be stored in the OOFF chunk. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Martin Ågren	9299f84921	diff-options.txt: avoid "regex" overload in example When we exemplify the difference between `-G` and `-S` (using `--pickaxe-regex`), we do so using an example diff and git-diff invocation involving "regexec", "regexp", "regmatch", ... The example is correct, but we can make it easier to untangle by avoiding writing "regex.*" unless it's really needed to make our point. Use some made-up, non-regexy words instead. Reported-by: Adam Dinwoodie <adam@dinwoodie.org> Signed-off-by: Martin Ågren <martin.agren@gmail.com> Reviewed-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Masaya Suzuki	7378ec90e1	doc: describe Git bundle format The bundle format was not documented. Describe the format with ABNF and explain the meaning of each part. Signed-off-by: Masaya Suzuki <masayasuzuki@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Heba Waly	887a0fd573	add: change advice config variables used by the add API advice.addNothing config variable is used to control the visibility of two advice messages in the add library. This config variable is replaced by two new variables, whose names are more clear and relevant to the two cases. Also add the two new variables to the documentation. Signed-off-by: Heba Waly <heba.waly@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Junio C Hamano	de93cc14ab	The third batch for 2.26 Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Martin Ågren	e469afe158	git-filter-branch.txt: wrap "maths" notation in backticks In this paragraph, we have a few instances of the '^' character, which we give as "\^". This renders well with AsciiDoc ("^"), but Asciidoctor renders it literally as "\^". Dropping the backslashes renders fine with Asciidoctor, but not AsciiDoc... An earlier version of this patch used "{caret}" instead of "^", which avoided these escaping problems. The rendering was still so-so, though -- these expressions end up set as normal text, similarly to when one provides, e.g., computer code in the middle of running text, without properly marking it with `backticks` to be monospaced. As noted by Jeff King, this suggests actually wrapping these expressions in backticks, setting them in monospace. The lone "5" could be left as is or wrapped as `5`. Spell it out as "five" instead -- this generally looks better anyway for small numbers in the middle of text like this. Suggested-by: Jeff King <peff@peff.net> Signed-off-by: Martin Ågren <martin.agren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Taylor Blau	0bd52e27e3	commit-graph.h: store an odb in 'struct write_commit_graph_context' There are lots of places in 'commit-graph.h' where a function either has (or almost has) a full 'struct object_directory ', accesses '->path', and then throws away the rest of the struct. This can cause headaches when comparing the locations of object directories across alternates (e.g., in the case of deciding if two commit-graph layers can be merged). These paths are normalized with 'normalize_path_copy()' which mitigates some comparison issues, but not all [1]. Replace usage of 'char object_dir' with 'odb->path' by storing a 'struct object_directory *' in the 'write_commit_graph_context' structure. This is an intermediate step towards getting rid of all path normalization in 'commit-graph.c'. Resolving a user-provided '--object-dir' argument now requires that we compare it to the known alternates for equality. Prior to this patch, an unknown '--object-dir' argument would silently exit with status zero. This can clearly lead to unintended behavior, such as verifying commit-graphs that aren't in a repository's own object store (or one of its alternates), or causing a typo to mask a legitimate commit-graph verification failure. Make this error non-silent by 'die()'-ing when the given '--object-dir' does not match any known alternate object store. [1]: In my testing, for example, I can get one side of the commit-graph code to fill object_dir with "./objects" and the other with just "objects". Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Derrick Stolee	d2e65f4c90	sparse-checkout: improve docs around 'set' in cone mode The existing documentation does not clarify how the 'set' subcommand changes when core.sparseCheckoutCone is enabled. Correct this by changing some language around the "A/B/C" example. Also include a description of the input format matching the output of 'git ls-tree --name-only'. Helped-by: Jeff King <peff@peff.net> Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago
Kyle Meyer	04e5b3f0b4	submodule foreach: replace $path with $sm_path in example `f0fd0dc5c5` (submodule foreach: document '$sm_path' instead of '$path', 2018-05-08) updated the documentation to advise callers to favor $sm_path over the deprecated synonym $path. However, the example in that section still uses $path. Update it to use $sm_path. Signed-off-by: Kyle Meyer <kyle@kyleam.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>	5 years ago

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