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2021-08-27logmsg_reencode(): warn when iconv() failsLibravatar Jeff King1-1/+5
If the user asks for a pretty-printed commit to be converted (either explicitly with --encoding=foo, or implicitly because the commit is non-utf8 and we want to convert it), we pass it through iconv(). If that fails, we fall back to showing the input verbatim, but don't tell the user that the output may be bogus. Let's add a warning to do so, along with a mention in the documentation for --encoding. Two things to note about the implementation: - we could produce the warning closer to the call to iconv() in reencode_string_len(), which would let us relay the value of errno. But this is not actually very helpful. reencode_string_len() does not know we are operating on a commit, and indeed does not know that the caller won't produce an error of its own. And the errno values from iconv() are seldom helpful (iconv_open() only ever produces EINVAL; perhaps EILSEQ from iconv() might be illuminating, but it can also return EINVAL for incomplete sequences). - if the reason for the failure is that the output charset is not supported, then the user will see this warning for every commit we try to display. That might be ugly and overwhelming, but on the other hand it is making it clear that every one of them has not been converted (and the likely outcome anyway is to re-try the command with a supported output encoding). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-06-28log: avoid loading decorations for userformats that don't need itLibravatar Jeff King1-0/+4
If no --decorate option is given, we default to auto-decoration. And when that kicks in, cmd_log_init_finish() will unconditionally load the decoration refs. However, if we are using a user-format that does not include "%d" or "%D", we won't show the decorations at all, so we don't need to load them. We can detect this case and auto-disable them by adding a new field to our userformat_want helper. We can do this even when the user explicitly asked for --decorate, because it can't affect the output at all. This patch consistently reduces the time to run "git log -1 --format=%H" on my git.git clone (with ~2k refs) from 34ms to 7ms. On a much more extreme real-world repository (with ~220k refs), it goes from 2.5s to 4ms. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-04-27pretty: provide human date formatLibravatar ZheNing Hu1-0/+3
Add the placeholders %ah and %ch to format author date and committer date, like --date=human does, which provides more humanity date output. Signed-off-by: ZheNing Hu <adlternative@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-22Merge branch 'rs/pretty-describe'Libravatar Junio C Hamano1-0/+64
"git log --format='...'" learned "%(describe)" placeholder. * rs/pretty-describe: archive: expand only a single %(describe) per archive pretty: document multiple %(describe) being inconsistent t4205: assert %(describe) test coverage pretty: add merge and exclude options to %(describe) pretty: add %(describe)
2021-03-13use CALLOC_ARRAYLibravatar René Scharfe1-1/+1
Add and apply a semantic patch for converting code that open-codes CALLOC_ARRAY to use it instead. It shortens the code and infers the element size automatically. Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-11archive: expand only a single %(describe) per archiveLibravatar René Scharfe1-0/+8
Every %(describe) placeholder in $Format:...$ strings in files with the attribute export-subst is expanded by calling git describe. This can potentially result in a lot of such calls per archive. That's OK for local repositories under control of the user of git archive, but could be a problem for hosted repositories. Expand only a single %(describe) placeholder per archive for now to avoid denial-of-service attacks. We can make this limit configurable later if needed, but let's start out simple. Reported-by: Jeff King <peff@peff.net> Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-01Merge branch 'hv/trailer-formatting'Libravatar Junio C Hamano1-39/+59
The logic to handle "trailer" related placeholders in the "--format=" mechanisms in the "log" family and "for-each-ref" family is getting unified. * hv/trailer-formatting: ref-filter: use pretty.c logic for trailers pretty.c: capture invalid trailer argument pretty.c: refactor trailer logic to `format_set_trailers_options()` t6300: use function to test trailer options
2021-02-17pretty: add merge and exclude options to %(describe)Libravatar René Scharfe1-2/+41
Allow restricting the tags used by the placeholder %(describe) with the options match and exclude. E.g. the following command describes the current commit using official version tags, without those for release candidates: $ git log -1 --format='%(describe:match=v[0-9]*,exclude=*rc*)' Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-02-17pretty: add %(describe)Libravatar René Scharfe1-0/+17
Add a format placeholder for describe output. Implement it by actually calling git describe, which is simple and guarantees correctness. It's intended to be used with $Format:...$ in files with the attribute export-subst and git archive. It can also be used with git log etc., even though that's going to be slow due to the fork for each commit. Suggested-by: Eli Schwartz <eschwartz@archlinux.org> Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-02-15pretty.c: capture invalid trailer argumentLibravatar Hariom Verma1-4/+13
As we would like to use this trailers logic in the ref-filter, it's nice to get an invalid trailer argument. This will allow us to print precise error message while using `format_set_trailers_options()` in ref-filter. For capturing the invalid argument, we changed the working of `format_set_trailers_options()` a little bit. Original logic does "break" and fell through in mainly 2 cases - 1. unknown/invalid argument 2. end of the arg string But now instead of "break", we capture invalid argument and return non-zero. And non-zero is handled by the caller. (We prepared the caller to handle non-zero in the previous commit). Capturing invalid arguments this way will also affects the working of current logic. As at the end of the arg string it will return non-zero. So in order to make things correct, introduced an additional conditional statement i.e if encounter ")", do 'break'. Mentored-by: Christian Couder <chriscool@tuxfamily.org> Mentored-by: Heba Waly <heba.waly@gmail.com> Signed-off-by: Hariom Verma <hariom18599@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-02-15pretty.c: refactor trailer logic to `format_set_trailers_options()`Libravatar Hariom Verma1-39/+50
Refactored trailers formatting logic inside pretty.c to a new function `format_set_trailers_options()`. This new function returns the non-zero in case of unusual. The caller handles the non-zero by "goto trailers_out". This change will allow us to reuse the same logic in other places. Mentored-by: Christian Couder <chriscool@tuxfamily.org> Mentored-by: Heba Waly <heba.waly@gmail.com> Signed-off-by: Hariom Verma <hariom18599@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-01-28pretty: lazy-load commit data when expanding user-formatLibravatar Jeff King1-11/+12
When we expand a user-format, we try to avoid work that isn't necessary for the output. For instance, we don't bother parsing the commit header until we know we need the author, subject, etc. But we do always load the commit object's contents from disk, even if the format doesn't require it (e.g., just "%H"). Traditionally this didn't matter much, because we'd have loaded it as part of the traversal anyway, and we'd typically have those bytes attached to the commit struct (or these days, cached in a commit-slab). But when we have a commit-graph, we might easily get to the point of pretty-printing a commit without ever having looked at the actual object contents. We should push off that load (and reencoding) until we're certain that it's needed. I think the results of p4205 show the advantage pretty clearly (we serve parent and tree oids out of the commit struct itself, so they benefit as well): # using git.git as the test repo Test HEAD^ HEAD ---------------------------------------------------------------------- 4205.1: log with %H 0.40(0.39+0.01) 0.03(0.02+0.01) -92.5% 4205.2: log with %h 0.45(0.44+0.01) 0.09(0.09+0.00) -80.0% 4205.3: log with %T 0.40(0.39+0.00) 0.04(0.04+0.00) -90.0% 4205.4: log with %t 0.46(0.46+0.00) 0.09(0.08+0.01) -80.4% 4205.5: log with %P 0.39(0.39+0.00) 0.03(0.03+0.00) -92.3% 4205.6: log with %p 0.46(0.46+0.00) 0.10(0.09+0.00) -78.3% 4205.7: log with %h-%h-%h 0.52(0.51+0.01) 0.15(0.14+0.00) -71.2% 4205.8: log with %an-%ae-%s 0.42(0.41+0.00) 0.42(0.41+0.01) +0.0% # using linux.git as the test repo Test HEAD^ HEAD ---------------------------------------------------------------------- 4205.1: log with %H 7.12(6.97+0.14) 0.76(0.65+0.11) -89.3% 4205.2: log with %h 7.35(7.19+0.16) 1.30(1.19+0.11) -82.3% 4205.3: log with %T 7.58(7.42+0.15) 1.02(0.94+0.08) -86.5% 4205.4: log with %t 8.05(7.89+0.15) 1.55(1.41+0.13) -80.7% 4205.5: log with %P 7.12(7.01+0.10) 0.76(0.69+0.07) -89.3% 4205.6: log with %p 7.38(7.27+0.10) 1.32(1.20+0.12) -82.1% 4205.7: log with %h-%h-%h 7.81(7.67+0.13) 1.79(1.67+0.12) -77.1% 4205.8: log with %an-%ae-%s 7.90(7.74+0.15) 7.81(7.66+0.15) -1.1% I added the final test to show where we don't improve (the 1% there is just lucky noise), but also as a regression test to make sure we're not doing anything stupid like loading the commit multiple times when there are several placeholders that need it. Reported-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-01-12shortlog: remove unused(?) "repo-abbrev" featureLibravatar Ævar Arnfjörð Bjarmason1-1/+1
Remove support for the magical "repo-abbrev" comment in .mailmap files. This was added to .mailmap parsing in [1], as a generalized feature of the git-shortlog Perl script added earlier in [2]. There was no documentation or tests for this feature, and I don't think it's used in practice anymore. What it did was to allow you to specify a single string to be search-replaced with "/.../" in the .mailmap file. E.g. for linux.git's current .mailmap: git archive --remote=git@gitlab.com:linux-kernel/linux.git \ HEAD -- .mailmap | grep -a repo-abbrev # repo-abbrev: /pub/scm/linux/kernel/git/ Then when running e.g.: git shortlog --merges --author=Linus -1 v5.10-rc7..v5.10 | grep Merge We'd emit (the [...] is mine): Merge tag [...]git://git.kernel.org/.../tip/tip But will now emit: Merge tag [...]git.kernel.org/pub/scm/linux/kernel/git/tip/tip I think at this point this is just a historical artifact we can get rid of. It was initially meant for Linus's own use when we integrated the Perl script[2], but since then it seems he's stopped using it. Digging through Linus's release announcements on the LKML[3] the last release I can find that made use of this output is Linux 2.6.25-rc6 back in March 2008[4]. Later on Linus started using --no-merges[5], and nowadays seems to prefer some custom not-quite-shortlog format of merges from lieutenants[6]. You will still see it on linux.git if you run "git shortlog" manually yourself with --merges, with this removed you can still get the same output with: git log --pretty=fuller v5.10-rc7..v5.10 | sed 's!/pub/scm/linux/kernel/git/!/.../!g' | git shortlog Arguably we should do the same for the search-replacing of "[PATCH]" at the beginning with "". That seems to be another relic of a bygone era when linux.git patches would have their E-Mail subject lines applied as-is by "git am" or whatever. But we documented that feature in "git-shortlog(1)", and it seems more widely applicable than something purely kernel-specific. 1. 7595e2ee6ef (git-shortlog: make common repository prefix configurable with .mailmap, 2006-11-25) 2. fa375c7f1b6 (Add git-shortlog perl script, 2005-06-04) 3. https://lore.kernel.org/lkml/ 4. https://lore.kernel.org/lkml/alpine.LFD.1.00.0803161651350.3020@woody.linux-foundation.org/ 5. https://lore.kernel.org/lkml/BANLkTinrbh7Xi27an3uY7pDWrNKhJRYmEA@mail.gmail.com/ 6. https://lore.kernel.org/lkml/CAHk-=wg1+kf1AVzXA-RQX0zjM6t9J2Kay9xyuNqcFHWV-y5ZYw@mail.gmail.com/ Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-12-09pretty format %(trailers): add a "key_value_separator"Libravatar Ævar Arnfjörð Bjarmason1-0/+9
Add a "key_value_separator" option to the "%(trailers)" pretty format, to go along with the existing "separator" argument. In combination these two options make it trivial to produce machine-readable (e.g. \0 and \0\0-delimited) format output. As elaborated on in a previous commit which added "keyonly" it was needlessly tedious to extract structured data from "%(trailers)" before the addition of this "key_value_separator" option. As seen by the test being added here extracting this data now becomes trivial. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-12-09pretty format %(trailers): add a "keyonly"Libravatar Ævar Arnfjörð Bjarmason1-0/+1
Add support for a "keyonly". This allows for easier parsing out of the key and value. Before if you didn't want to make assumptions about how the key was formatted. You'd need to parse it out as e.g.: --pretty=format:'%H%x00%(trailers:separator=%x00%x00)' \ '%x00%(trailers:separator=%x00%x00,valueonly)' And then proceed to deduce keys by looking at those two and subtracting the value plus the hardcoded ": " separator from the non-valueonly %(trailers) line. Now it's possible to simply do: --pretty=format:'%H%x00%(trailers:separator=%x00%x00,keyonly)' \ '%x00%(trailers:separator=%x00%x00,valueonly)' Which at least reduces it to a state machine where you get N keys and correlate them with N values. Even better would be to have a way to change the ": " delimiter to something easily machine-readable (a key might contain ": " too). A follow-up change will add support for that. I don't really have a use-case for just "keyonly" myself. I suppose it would be useful in some cases as "key=*" matches case-insensitively, so a plain "keyonly" will give you the variants of the keys you matched. I'm mainly adding it to fix the inconsistency with "valueonly". Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-08-28pretty: refactor `format_sanitized_subject()`Libravatar Hariom Verma1-9/+11
The function 'format_sanitized_subject()' is responsible for sanitized subject line in pretty.c e.g. the subject line the-sanitized-subject-line It would be a nice enhancement to `subject` atom to have the same feature. So in the later commits, we plan to add this feature to ref-filter. Refactor `format_sanitized_subject()`, so it can be reused in ref-filter.c for adding new modifier `sanitize` to "subject" atom. Currently, the loop inside `format_sanitized_subject()` runs until `\n` is found. But now, we stored the first occurrence of `\n` in a variable `eol` and passed it in `format_sanitized_subject()`. And the loop runs upto `eol`. Mentored-by: Christian Couder <chriscool@tuxfamily.org> Mentored-by: Heba Waly <heba.waly@gmail.com> Signed-off-by: Hariom Verma <hariom18599@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-04-07format-patch: teach --no-encode-email-headersLibravatar Emma Brooks1-2/+4
When commit subjects or authors have non-ASCII characters, git format-patch Q-encodes them so they can be safely sent over email. However, if the patch transfer method is something other than email (web review tools, sneakernet), this only serves to make the patch metadata harder to read without first applying it (unless you can decode RFC 2047 in your head). git am as well as some email software supports non-Q-encoded mail as described in RFC 6531. Add --[no-]encode-email-headers and format.encodeEmailHeaders to let the user control this behavior. Signed-off-by: Emma Brooks <me@pluvano.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-17Merge branch 'rs/strbuf-insertstr'Libravatar Junio C Hamano1-2/+2
Code clean-up. * rs/strbuf-insertstr: mailinfo: don't insert header prefix for handle_content_type() strbuf: add and use strbuf_insertstr()
2020-02-10strbuf: add and use strbuf_insertstr()Libravatar René Scharfe1-2/+2
Add a function for inserting a C string into a strbuf. Use it throughout the source to get rid of magic string length constants and explicit strlen() calls. Like strbuf_addstr(), implement it as an inline function to avoid the implicit strlen() calls to cause runtime overhead. Helped-by: Taylor Blau <me@ttaylorr.com> Helped-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-01-30Merge branch 'hi/gpg-mintrustlevel'Libravatar Junio C Hamano1-1/+29
gpg.minTrustLevel configuration variable has been introduced to tell various signature verification codepaths the required minimum trust level. * hi/gpg-mintrustlevel: gpg-interface: add minTrustLevel as a configuration option
2020-01-15gpg-interface: add minTrustLevel as a configuration optionLibravatar Hans Jerry Illikainen1-1/+29
Previously, signature verification for merge and pull operations checked if the key had a trust-level of either TRUST_NEVER or TRUST_UNDEFINED in verify_merge_signature(). If that was the case, the process die()d. The other code paths that did signature verification relied entirely on the return code from check_commit_signature(). And signatures made with a good key, irregardless of its trust level, was considered valid by check_commit_signature(). This difference in behavior might induce users to erroneously assume that the trust level of a key in their keyring is always considered by Git, even for operations where it is not (e.g. during a verify-commit or verify-tag). The way it worked was by gpg-interface.c storing the result from the key/signature status *and* the lowest-two trust levels in the `result` member of the signature_check structure (the last of these status lines that were encountered got written to `result`). These are documented in GPG under the subsection `General status codes` and `Key related`, respectively [1]. The GPG documentation says the following on the TRUST_ status codes [1]: """ These are several similar status codes: - TRUST_UNDEFINED <error_token> - TRUST_NEVER <error_token> - TRUST_MARGINAL [0 [<validation_model>]] - TRUST_FULLY [0 [<validation_model>]] - TRUST_ULTIMATE [0 [<validation_model>]] For good signatures one of these status lines are emitted to indicate the validity of the key used to create the signature. The error token values are currently only emitted by gpgsm. """ My interpretation is that the trust level is conceptionally different from the validity of the key and/or signature. That seems to also have been the assumption of the old code in check_signature() where a result of 'G' (as in GOODSIG) and 'U' (as in TRUST_NEVER or TRUST_UNDEFINED) were both considered a success. The two cases where a result of 'U' had special meaning were in verify_merge_signature() (where this caused git to die()) and in format_commit_one() (where it affected the output of the %G? format specifier). I think it makes sense to refactor the processing of TRUST_ status lines such that users can configure a minimum trust level that is enforced globally, rather than have individual parts of git (e.g. merge) do it themselves (except for a grace period with backward compatibility). I also think it makes sense to not store the trust level in the same struct member as the key/signature status. While the presence of a TRUST_ status code does imply that the signature is good (see the first paragraph in the included snippet above), as far as I can tell, the order of the status lines from GPG isn't well-defined; thus it would seem plausible that the trust level could be overwritten with the key/signature status if they were stored in the same member of the signature_check structure. This patch introduces a new configuration option: gpg.minTrustLevel. It consolidates trust-level verification to gpg-interface.c and adds a new `trust_level` member to the signature_check structure. Backward-compatibility is maintained by introducing a special case in verify_merge_signature() such that if no user-configurable gpg.minTrustLevel is set, then the old behavior of rejecting TRUST_UNDEFINED and TRUST_NEVER is enforced. If, on the other hand, gpg.minTrustLevel is set, then that value overrides the old behavior. Similarly, the %G? format specifier will continue show 'U' for signatures made with a key that has a trust level of TRUST_UNDEFINED or TRUST_NEVER, even though the 'U' character no longer exist in the `result` member of the signature_check structure. A new format specifier, %GT, is also introduced for users that want to show all possible trust levels for a signature. Another approach would have been to simply drop the trust-level requirement in verify_merge_signature(). This would also have made the behavior consistent with other parts of git that perform signature verification. However, requiring a minimum trust level for signing keys does seem to have a real-world use-case. For example, the build system used by the Qubes OS project currently parses the raw output from verify-tag in order to assert a minimum trust level for keys used to sign git tags [2]. [1] https://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=blob;f=doc/doc/DETAILS;h=bd00006e933ac56719b1edd2478ecd79273eae72;hb=refs/heads/master [2] https://github.com/QubesOS/qubes-builder/blob/9674c1991deef45b1a1b1c71fddfab14ba50dccf/scripts/verify-git-tag#L43 Signed-off-by: Hans Jerry Illikainen <hji@dyntopia.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-12-10Merge branch 'dl/pretty-reference'Libravatar Junio C Hamano1-6/+14
"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
2019-11-20pretty: 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>
2019-11-20pretty: add struct cmt_fmt_map::default_date_mode_typeLibravatar Denton Liu1-0/+3
In a future commit, we plan on having a pretty format which will use a default date format unless otherwise overidden. Add support for this by adding a `default_date_mode_type` member in `struct cmt_fmt_map`. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-20pretty: provide short date formatLibravatar René Scharfe1-0/+3
Add the placeholders %as and %cs to format author date and committer date, respectively, without the time part, like --date=short does, i.e. like YYYY-MM-DD. Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-11-20pretty.c: inline initalize format_contextLibravatar Denton Liu1-5/+5
Instead of memsetting and then initializing the fields in the struct, move the initialization of `format_context` to its assignment. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-10-30pretty: add "%aL" etc. to show local-part of email addressesLibravatar Prarit Bhargava1-1/+8
In many projects the number of contributors is low enough that users know each other and the full email address doesn't need to be displayed. Displaying only the author's username saves a lot of columns on the screen. Existing 'e/E' (as in "%ae" and "%aE") placeholders would show the author's address as "prarit@redhat.com", which would waste columns to show the same domain-part for all contributors when used in a project internal to redhat. Introduce 'l/L' placeholders that strip '@' and domain part from the e-mail address. Signed-off-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-09-09log-tree: call load_ref_decorations() in get_name_decoration()Libravatar René Scharfe1-2/+0
Load a default set of ref name decorations at the first lookup. This frees direct and indirect callers from doing so. They can still do it if they want to use a filter or are interested in full decorations instead of the default short ones -- the first load_ref_decorations() call wins. This means that the load in builtin/log.c::cmd_log_init_finish() is respected even if --simplify-by-decoration is given, as the previously dominating earlier load in handle_revision_opt() is gone. So a filter given with --decorate-refs-exclude is used for simplification in that case, as expected. Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-06-17use COPY_ARRAY for copying arraysLibravatar René Scharfe1-2/+2
Convert calls of memcpy(3) to use COPY_ARRAY, which shortens and simplifies the code a bit. Patch generated by Coccinelle and contrib/coccinelle/array.cocci. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-03-20pretty: drop unused strbuf from parse_padding_placeholder()Libravatar Jeff King1-3/+2
Unlike other parts of the --pretty user-format expansion, this function is not actually writing to the output, but instead just storing the padding values into a context struct. We don't need to be passed a strbuf at all. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-03-20pretty: drop unused "type" parameter in needs_rfc2047_encoding()Libravatar Jeff King1-4/+3
The "should we encode" check was split off from add_rfc2047() into its own function in 41dd00bad3 (format-patch: fix rfc2047 address encoding with respect to rfc822 specials, 2012-10-18). But only the "add" half needs to know the rfc2047_type, since it only affects _how_ we encode, not whether we do. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-03-07Merge branch 'nd/completion-more-parameters'Libravatar Junio C Hamano1-0/+4
The command line completion (in contrib/) has been taught to complete more subcommand parameters. * nd/completion-more-parameters: completion: add more parameter value completion
2019-03-07Merge branch 'aw/pretty-trailers'Libravatar Junio C Hamano1-18/+95
The %(trailers) formatter in "git log --format=..." now allows to optionally pick trailers selectively by keyword, show only values, etc. * aw/pretty-trailers: pretty: add support for separator option in %(trailers) strbuf: separate callback for strbuf_expand:ing literals pretty: add support for "valueonly" option in %(trailers) pretty: allow showing specific trailers pretty: single return path in %(trailers) handling pretty: allow %(trailers) options with explicit value doc: group pretty-format.txt placeholders descriptions
2019-02-20completion: add more parameter value completionLibravatar Nguyễn Thái Ngọc Duy1-0/+4
This adds value completion for a couple more paramters. To make it easier to maintain these hard coded lists, add a comment at the original list/code to remind people to update git-completion.bash too. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-02-05Merge branch 'sb/more-repo-in-api'Libravatar Junio C Hamano1-13/+15
The in-core repository instances are passed through more codepaths. * sb/more-repo-in-api: (23 commits) t/helper/test-repository: celebrate independence from the_repository path.h: make REPO_GIT_PATH_FUNC repository agnostic commit: prepare free_commit_buffer and release_commit_memory for any repo commit-graph: convert remaining functions to handle any repo submodule: don't add submodule as odb for push submodule: use submodule repos for object lookup pretty: prepare format_commit_message to handle arbitrary repositories commit: prepare logmsg_reencode to handle arbitrary repositories commit: prepare repo_unuse_commit_buffer to handle any repo commit: prepare get_commit_buffer to handle any repo commit-reach: prepare in_merge_bases[_many] to handle any repo commit-reach: prepare get_merge_bases to handle any repo commit-reach.c: allow get_merge_bases_many_0 to handle any repo commit-reach.c: allow remove_redundant to handle any repo commit-reach.c: allow merge_bases_many to handle any repo commit-reach.c: allow paint_down_to_common to handle any repo commit: allow parse_commit* to handle any repo object: parse_object to honor its repository argument object-store: prepare has_{sha1, object}_file to handle any repo object-store: prepare read_object_file to deal with any repo ...
2019-01-29pretty: add support for separator option in %(trailers)Libravatar Anders Waldenborg1-0/+10
By default trailer lines are terminated by linebreaks ('\n'). By specifying the new 'separator' option they will instead be separated by user provided string and have separator semantics rather than terminator semantics. The separator string can contain the literal formatting codes %n and %xNN allowing it to be things that are otherwise hard to type such as %x00, or comma and end-parenthesis which would break parsing. E.g: $ git log --pretty='%(trailers:key=Reviewed-by,valueonly,separator=%x00)' Signed-off-by: Anders Waldenborg <anders@0x63.nu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-01-29strbuf: separate callback for strbuf_expand:ing literalsLibravatar Anders Waldenborg1-11/+5
Expanding '%n' and '%xNN' is generic functionality, so extract that from the pretty.c formatter into a callback that can be reused. No functional change intended Signed-off-by: Anders Waldenborg <anders@0x63.nu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-01-29pretty: add support for "valueonly" option in %(trailers)Libravatar Anders Waldenborg1-1/+2
With the new "key=" option to %(trailers) it often makes little sense to show the key, as it by definition already is knows which trailer is printed there. This new "valueonly" option makes it omit the key when printing trailers. E.g.: $ git show -s --pretty='%s%n%(trailers:key=Signed-off-by,valueonly)' aaaa88182 will show: > upload-pack: fix broken if/else chain in config callback > Jeff King <peff@peff.net> > Junio C Hamano <gitster@pobox.com> Signed-off-by: Anders Waldenborg <anders@0x63.nu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-01-29pretty: allow showing specific trailersLibravatar Anders Waldenborg1-2/+34
Adds a new "key=X" option to "%(trailers)" which will cause it to only print trailer lines which match any of the specified keys. Signed-off-by: Anders Waldenborg <anders@0x63.nu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-01-29pretty: single return path in %(trailers) handlingLibravatar Anders Waldenborg1-1/+3
No functional change intended. This change may not seem useful on its own, but upcoming commits will do memory allocation in there, and a single return path makes deallocation easier. Signed-off-by: Anders Waldenborg <anders@0x63.nu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-01-29pretty: allow %(trailers) options with explicit valueLibravatar Anders Waldenborg1-7/+45
In addition to old %(trailers:only) it is now allowed to write %(trailers:only=yes) By itself this only gives (the not quite so useful) possibility to have users change their mind in the middle of a formatting string (%(trailers:only=true,only=false)). However, it gives users the opportunity to override defaults from future options. Signed-off-by: Anders Waldenborg <anders@0x63.nu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-01-11log: add %S option (like --source) to log --formatLibravatar Issac Trotts1-0/+12
Make it possible to write for example git log --format="%H,%S" where the %S at the end is a new placeholder that prints out the ref (tag/branch) for each commit. Using %d might seem like an alternative but it only shows the ref for the last commit in the branch. Signed-off-by: Issac Trotts <issactrotts@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-14pretty: prepare format_commit_message to handle arbitrary repositoriesLibravatar Stefan Beller1-7/+8
Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-14commit: prepare logmsg_reencode to handle arbitrary repositoriesLibravatar Stefan Beller1-6/+7
Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-03Merge branch 'mg/gpg-fingerprint'Libravatar Junio C Hamano1-0/+8
New "--pretty=format:" placeholders %GF and %GP that show the GPG key fingerprints have been invented. * mg/gpg-fingerprint: gpg-interface.c: obtain primary key fingerprint as well gpg-interface.c: support getting key fingerprint via %GF format gpg-interface.c: use flags to determine key/signer info presence
2018-10-23gpg-interface.c: obtain primary key fingerprint as wellLibravatar Michał Górny1-0/+4
Obtain the primary key fingerprint off VALIDSIG status message, and expose it via %GP format. Signed-off-by: Michał Górny <mgorny@gentoo.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-23gpg-interface.c: support getting key fingerprint via %GF formatLibravatar Michał Górny1-0/+4
Support processing VALIDSIG status that provides additional information for valid signatures. Use this information to propagate signing key fingerprint and expose it via %GF pretty format. This format can be used to build safer key verification systems that verify the key via complete fingerprint rather than short/long identifier provided by %GK. Signed-off-by: Michał Górny <mgorny@gentoo.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-09-17Merge branch 'jk/trailer-fixes'Libravatar Junio C Hamano1-0/+3
"git interpret-trailers" and its underlying machinery had a buggy code that attempted to ignore patch text after commit log message, which triggered in various codepaths that will always get the log message alone and never get such an input. * jk/trailer-fixes: append_signoff: use size_t for string offsets sequencer: ignore "---" divider when parsing trailers pretty, ref-filter: format %(trailers) with no_divider option interpret-trailers: allow suppressing "---" divider interpret-trailers: tighten check for "---" patch boundary trailer: pass process_trailer_opts to trailer_info_get() trailer: use size_t for iterating trailer list trailer: use size_t for string offsets
2018-08-23pretty, ref-filter: format %(trailers) with no_divider optionLibravatar Jeff King1-0/+3
In both of these cases we know that we are feeding the trailer-parsing code a pure commit message. We should tell it so, which avoids false positives for a commit message that contains a "---" line. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-08-15Merge branch 'jk/size-t'Libravatar Junio C Hamano1-1/+1
Code clean-up to use size_t/ssize_t when they are the right type. * jk/size-t: strbuf_humanise: use unsigned variables pass st.st_size as hint for strbuf_readlink() strbuf_readlink: use ssize_t strbuf: use size_t for length in intermediate variables reencode_string: use size_t for string lengths reencode_string: use st_add/st_mult helpers