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It may be useful for the maintainer to review b4 retrieval/validation
output before git-merge is invoked, so add a pause requiring an Enter or
Ctrl-C.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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In addition to just being able to fetch a series into FETCH_HEAD, also
add an option to exec git-merge automatically so that people don't have
to cut-and-paste the merge command to use with paths to the cover
letter.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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It is a common request to be able to get a partial thread in case
someone submitted an auxiliary standalone patch in the middle of a
larger patch series. Passing the msgid of the start of the thread along
with --no-parent should tell b4 to break the thread at the start of the
message-id specified and only consider that message and its children.
Suggested-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/tools/YpTI9lhCfA7shi6j@sirena.org.uk/
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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b4's usage of git-log '--branches' option is broken. The option takes a
glob pattern *only* and must have an '=', but b4 ends up passing
'--branches <guessbranch>' to git-log. This will kind of work, but is
not checking only 'guessbranch'. For example, these 3 commands all do
something different:
git log -1 --branches=master
git log -1 --branches master
git log -1 --branches=*aster
A maintainer wanting to apply a patch or series likely has a small set of
known branches they apply patches to. Using a glob pattern is not a good
fit for that. Instead, allow --guess-branch to be repeated and to take
fixed refs.
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Link: https://lore.kernel.org/r/20220331195346.1384515-1-robh@kernel.org
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Implement initial support for checking if the patch message contains
unicode control characters that can be used to trick code reviewer into
accepting maliciously formatted code.
Link: https://lore.kernel.org/tools/20211101175020.5r4cwmy4qppi7dis@meerkat.local/
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Test out and fix the bugs introduced by switching flags.
Reported-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Based on the feedback, change the default behaviour of "b4 shazam" to
apply patches to the current tree instead of doing FETCH_HEAD magic.
This is still available when used with -H,--make-fetch-head flag.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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I'm felling comfortable that "b4 ty" is sufficiently mature at this
point to implement sending thank-yous directly. This is only the initial
implementation that covers only the very basic parts of git's sendemail
configuration options, but this should actually cover 90% of cases if
not more.
One important caveat -- I moved the "b4 ty -s" flag to be "b4 ty -t" in
order to disambiguate it from the capital -S (that actually does the
sending). Since "b4 ty" is still marked as an experimental feature, I
feel we can do this without much impact.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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By popular demand, provide a way to apply series straight to a git
repository. By default, we're still going the safest possible route:
- create a sparse worktree consisting just of the files being modified
- run "git am" against the temporary worktree
- if "git am" went well, fetch from the temporary worktree into our
current tree and leave everything in FETCH_HEAD
- unless we're running "b4 shazam -A" in which case we just apply to the
current HEAD (exact equivalent of b4 am -o- | git am)
Further changes to come based on feedback.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Use --all by default, instead of limiting ourselves just to the current
HEAD. This is actually a faster operation, because we don't have to
pre-filter results.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Based on some feedback, attempt to reimplement --guess-base by looking
at the file index hashes and using --find-object to locate when they
were last changed. We limit this using --since and --until, so that we
aren't trying to look through the entire history of the repo. For the
--until date, we take the date of the patch. For the --since date, we
take the timedelta using the number of days specified by
--guess-lookback (default is 14 days).
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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I've been working on a way to automatically convert pull requests into
series, complete with mailing them out to arbitrary destinations. This
would allow folks to send a pull request to a dedicated list and have it
automatically converted into a well-formed series.
This is a tentative implementation that relies on git-send-email to do
most of the heavy lifting. I have misgivings about using git-send-email
for this purpose, but it does reduce the amount of duplicated code we
would have otherwise had to write, and allows us to hook into things
like tocmd/cccmd, etc.
For example, adding the following to your .git/config:
[sendemail "autopr"]
smtpserver = [your.server.here]
smtpserverport = 587
smtpencryption = tls
smtpuser = [your-user]
smtppass = [your-pass]
transferEncoding = 8bit
suppressFrom = yes
confirm = never
validate = no
tocmd = "$(git rev-parse --show-toplevel)/scripts/get_maintainer.pl --norolestats --nol"
cccmd = "$(git rev-parse --show-toplevel)/scripts/get_maintainer.pl --norolestats --nom"
This would allow doing the following:
b4 pr -e -f "AutoPR Exploder <autopr@yourdomain.here>" -s autopr [--dry-run]
The pull request will be exploded into a patch series and sent to all
the proper destinations as returned by get_maintainer.pl. We construct
the message headers in a way that allow regular code review and "b4 am"
usage after the auto-exploded series is sent out.
If testing goes well, we'll implement this as a kernel.org service and
then hook a similar implementation via Gitlab/Github.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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There will be more keyring operations supported in the future, probably,
but for now just move the --show-keys subcommand from "mbox" to "kr".
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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While trying to figure out some odd DKIM failures, I've discovered that
there is an important incompatibility between git's idea of what "mbox"
format is, and Python's mboxo implementation -- at least when it comes
to treating "\nFrom " escapes.
According to the "original mbox" standard, when a message body contains
a "\nFrom " sequence, it should be converted to "\n>From " in order not
to confuse the parser. When reading messages in that format, clients are
supposed to back-convert "\n>From " into their original form. This is
the so-called "mboxo" format, which is what Python's mailbox.mbox
supports:
https://docs.python.org/3/library/mailbox.html#mailbox.mbox
The "mboxrd" format was created to avoid a corruption problem whereas a
body that legitimately contains "\n>From " would be wrongly converted
into "\nFrom " upon parsing the mailbox, so mboxrd standard requires
that, when saving a mailbox, "\n>From " sequences are additionally
escaped as "\n>>From ". This is the format public-inbox supports, so
when we grab mailboxes from remote, they are in mboxrd format.
Git will try to guess the format of the mbox file, but it will ONLY
back-convert "\n>From " sequences when you specifically tell it that
it's "mboxrd" format, even when it's in fact "mboxo":
git am --patch-format=mboxrd
If you don't force the mboxrd format, git-am will preserve all escaped
"\n>From " lines as-is.
We've been previously operating on the assumption that git-am's mbox
support properly implements "mboxo", but this was wrong, resulting in
some commits like the following:
https://git.kernel.org/torvalds/c/137733d08f4a
This large-ish change ditches all internal use of Python's mboxo. When
asked to save mbox files, we will save them without any escaping, the
way git-am (i.e. git-mailsplit) espects them. The same goes when we're
outputting to stdout.
There is also a way now to pass -M to both "b4 am" and "b4 mbox" that
will save things as maildirs -- git-am supports this natively and thus
avoids any possible parsing ambiguities. You can set a config option
b4.save-maildirs=yes to make this the default behaviour.
The fallout of this is fairly benign, if annoying. There is no situation
in which a patch would have "\nFrom " as part of its body, so the
problem only affected commit messages. We will have a handful of these
sprinkled around the trees, and will hopefully not introduce any new
ones once everyone switches to the b4 version that outputs things in the
format git-am expects.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Per request, allow passing entire mbox files via stdin, allowing fully
pipe-through operation from something like mutt:
b4 am -sl -m - -o -
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Link: https://lore.kernel.org/tools/YFETLu8TKWI2WlSF@hirez.programming.kicks-ass.net
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It has been a common request to support partial series rerolls where
someone sends an amended patch as a follow-up to a previous series,
e.g.:
[PATCH v3 1/3] Patch one
[PATCH v3 2/3] Patch two
\- Re: [PATCH v3 2/3] Patch two
Looks good, but please fix this $small_thing
\- [PATCH v4 2/3] Patch two
[PATCH v3] Patch three
Previously, b4 refused to consider v4 as a complete new series, but now
it will properly perform a partial reroll, but only in the cases where
such patches are sent as follow-ups to the exact same patch number in
the previous series:
[PATCH v3->v4 1/3] Patch one
[PATCH v4 2/3] Patch two
[PATCH v3->v4 3/3] Patch three
Reported-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Link: https://lore.kernel.org/r/CAPcyv4ggbuHbqKV33_TpE7pqxvRag34baJrX3yQe-jXOikoATQ@mail.gmail.com
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I expect that we'll have better keyring management tooling in the
future, but for now show some rudimentary information about patatt keys
used in a thread via --show-keys, e.g.:
b4 mbox --show-keys 20210511143536.743919-1-konstantin@linuxfoundation.org
b4 mbox --show-keys 20210507181322.172569-1-konstantin@linuxfoundation.org
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Move end-to-end attestation code into its own library: patatt. See
https://git.kernel.org/pub/scm/utils/patatt/patatt.git/about/
It is included into b4 as a submodule, but you will need to init it
first:
git submodule update --init
This change significantly simplifies our attestation code, dropping
thousands of lines of rather hairy code. Notably, patatt-style
attestation is incompatible with previous attestation implementations
done directly in b4, but that's just as well -- we've always marked it
as "experimental" and the lack of adoption was proving that we weren't
on the right path.
Next to come is keyring management and documentation.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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When saving to a maildir, add option to filter out dupes. Note, that
this requires going through the entire maildir to collect message-ids,
so it's not going to be a great experience on large maildirs.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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If we're not passing -g to "b4 pr -e", then we should try to see if we
are inside a git checkout and use that as our source.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Two services we'll be running in the near future:
1. Transparency log for all pull requests
2. Auto-exploder for pull requests that can send auto-exploded patches
to all the same recipients.
This requires quite a bit more testing and refinement, but the core of
the functionality is there.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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By request, add ability to copy all addresses from the email's "Cc"
header into Cc: trailers, unless they are already mentioned in some
other trailer.
Requested-by: Arnaldo Carvalho de Melo <acme@kernel.org>
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Only works for x-patch-sig style attestation, as doing DKIM attestation
requires that we unignore all headers, which just junks up the view.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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We're only doing this as part of b4 am now, so remove the obsolete
attverify command.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Rewrite attestation to implement in-header hashing and signing. For now,
just implementing mode=pgp, but other modes are coming next.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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By request, provide a way to output the results of b4 am to stdout. This
way it can be piped straight to "git am".
E.g.:
b4 diff 20200526205322.23465-1-mic@digikod.net -o - | git am
Requested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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The original code used for b4 diff was to prepare for a 3-way merge by
making sure that all blob indexes exist in the local repo. Add this
functionality to "b4 am" and document all the features added in the
0.5.0 branch.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Sometimes we are unable to properly look up previous series -- usually
because the cover letter title changes. For those cases, it is now
possible to diff two arbitrary mbox files prepared with "b4 am -T".
There's also a smattering of other fixes in there because I'm too
lazy to properly stage my patches.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Don't make developers do copy-pasting unnecessarily. Switch to
outputting the diff by default, with flag options to save to file or
just show what needs to be done.
Additionally, adds caching to lookups and remember previously generated
fake-am ranges so we don't continuously generate loose objects on repeat
runs.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Based on feedback from Jason Gunthorpe, implement diffing of series by
creating fake git-am commit ranges. Here's an easy example:
b4 diff 20200511192156.1618284-1-mic@digikod.net
Suggested-by: Jason Gunthorpe <jgg@ziepe.ca>
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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In addition to numerical ranges, -P is now also able to do:
- "-P _" to grab just the msgid used with "b4 am"
- "-P *glob*" to filter by commit message subject
Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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This lets someone select a subset of patches in a series, e.g.:
b4 am -P 1-3,5,7- [msgid]
Suggested-by: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Instead of insisting that people put in specific numbers, allow them to
specify ranges, such as:
b4 ty -s 1-3,5,7-
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Do not try to calculate indexes on a missing patch in an incomplete
thread.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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It's time to graduate to 0.4.0 with these features.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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- Properly expand ~ and env vars like $HOME in template paths
- Allow partial matching of series (with a warning)
- Allow using remote branches with -b
- Always fall back to subject matching for patches
- Tweak to the summary output
Suggested-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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They are much more useful if b4.thanks-commit-url-mask is set, but even
without them this will list all subjects and corresponding commit IDs.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Looks like some of the patches sent from quilt (at least from Andrew
Morton) are not properly parsed by git patch-id, so use our own patch
hashing routines, even if this means we're likely going to miss some of
the patches that were edited by maintainers.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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New experimental feature that aims to simplify a very common "thanks,
applied" kind of feedback often expected of maintainers. Still needs
documentation to explain its usage.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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For ease of tracking version information for folks running things
straight out of the checkout, add current git revision to the version
info string.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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While working on "pull-request exploder" stuff for achiving on
lore.kernel.org, I realized that this may be a useful set of features
for developers as well, so here is a very simple framework for handing
pull requests. Examples:
b4 pr <msgid>
- downloads that message
- parses the pull request
- checks that the remote tip is where the message says it should be
- makes sure the base-commit is present in the tree
- makes sure the tip commit isn't already in one of the branches
- checks if FETCH_HEAD already is at that commit
- if the above two checks pass, performs a git fetch
b4 pr --check <msgid>
Runs all of the checks above, but doesn't perform the actual fetch.
Useful if you don't remember if you've already processed a pull
request or not.
b4 pr --explode <msgid>
Runs basic sanity checks and then:
- performs a git fetch
- runs a "git format-patch" for base-commit..FETCH_HEAD
- adds the same to/from/cc headers as in the pull request
- properly threads each patch below the pull request
- saves that into a <msgid>.mbox file
The above is handy if you want to comment on something in a pull
request and not have to hunt around for sender/cc information.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Provide a warning when we are ignoring trailers due to from/name
mismatch between the headers and the body. Also provides a
-S,--sloppy-trailers option to ignore all mismatches.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Fun read:
https://packaging.python.org/guides/single-sourcing-package-version/
Anyway, I hated this way the least.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Checking for newer versions always requires going out to
lore.kernel.org, so force nocache operation.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Many lore.kernel.org operations can be repeated within quick succession
of each-other (e.g. someone reruns a query with -t). This commit adds a
caching layer that keeps lookups in local cache for 10 minutes
(default). It can be made longer or shorter by editing the
'cache-expire' setting, or running "b4 am" with -C,--no-cache.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Don't backtrace if there are no commands passed on cmdline.
Reported-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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This is the beginning of a new tool that inherits from get-lore-mbox and
attest-patches.
Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
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