path: root/man/b4.5

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.TH B4 5 "2020-05-25" "0.5.0" ""
.SH NAME
B4 \- Work with code submissions in a public-inbox archive
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.SH SYNOPSIS
.sp
b4 {mbox,am,attest,pr,ty,diff} [options]
.SH DESCRIPTION
.sp
This is a helper utility to work with patches and pull requests made
available via a public\-inbox archive like lore.kernel.org. It is
written to make it easier to participate in a patch\-based workflows,
like those used in the Linux kernel development.
.sp
The name "b4" was chosen for ease of typing and because B\-4 was the
precursor to Lore and Data in the Star Trek universe.
.SH SUBCOMMANDS
.INDENT 0.0
.IP \(bu 2
\fIb4 mbox\fP: Download a thread as an mbox file
.IP \(bu 2
\fIb4 am\fP: Create an mbox file that is ready to git\-am
.IP \(bu 2
\fIb4 attest\fP: (EXPERIMENTAL) Submit cryptographic attestation for patches
.IP \(bu 2
\fIb4 pr\fP: (EXPERIMENTAL) Work with pull requests
.IP \(bu 2
\fIb4 ty\fP: (EXPERIMENTAL) Create templated replies for processed patches and pull requests
.IP \(bu 2
\fIb4 diff\fP: (EXPERIMENTAL) Show range\-diff style diffs between patch versions
.UNINDENT
.SH OPTIONS
.INDENT 0.0
.TP
.B \-h\fP,\fB  \-\-help
show this help message and exit
.TP
.B \-d\fP,\fB  \-\-debug
Add more debugging info to the output (default: False)
.TP
.B \-q\fP,\fB  \-\-quiet
Output critical information only (default: False)
.UNINDENT
.SH SUBCOMMAND OPTIONS
.SS b4 mbox
.INDENT 0.0
.TP
.B usage:
b4 mbox [\-h] [\-o OUTDIR] [\-p USEPROJECT] [\-c] [\-n WANTNAME] [\-m LOCALMBOX] [msgid]
.TP
.B positional arguments:
msgid                 Message ID to process, or pipe a raw message
.TP
.B optional arguments:
.INDENT 7.0
.TP
.B \-h\fP,\fB  \-\-help
show this help message and exit
.TP
.BI \-o \ OUTDIR\fP,\fB \ \-\-outdir \ OUTDIR
Output into this directory (or use \- to output mailbox contents to stdout)
.TP
.BI \-p \ USEPROJECT\fP,\fB \ \-\-use\-project \ USEPROJECT
Use a specific project instead of guessing (linux\-mm, linux\-hardening, etc)
.TP
.B \-c\fP,\fB  \-\-check\-newer\-revisions
Check if newer patch revisions exist
.TP
.BI \-n \ WANTNAME\fP,\fB \ \-\-mbox\-name \ WANTNAME
Filename to name the mbox file
.TP
.BI \-m \ LOCALMBOX\fP,\fB \ \-\-use\-local\-mbox \ LOCALMBOX
Instead of grabbing a thread from lore, process this mbox file
.TP
.B \-C\fP,\fB  \-\-no\-cache
Do not use local cache
.UNINDENT
.UNINDENT
.sp
\fIExample\fP: b4 mbox \fI\%20200313231252.64999\-1\-keescook@chromium.org\fP
.SS b4 am
.INDENT 0.0
.TP
.B usage:
b4 am [\-h] [\-o OUTDIR] [\-p USEPROJECT] [\-c] [\-n WANTNAME] [\-m LOCALMBOX] [\-v WANTVER] [\-t] [\-T] [\-s] [\-l] [\-Q] [msgid]
.TP
.B positional arguments:
msgid                 Message ID to process, or pipe a raw message
.TP
.B optional arguments:
.INDENT 7.0
.TP
.B \-h\fP,\fB  \-\-help
show this help message and exit
.TP
.BI \-o \ OUTDIR\fP,\fB \ \-\-outdir \ OUTDIR
Output into this directory (or use \- to output mailbox contents to stdout)
.TP
.BI \-p \ USEPROJECT\fP,\fB \ \-\-use\-project \ USEPROJECT
Use a specific project instead of guessing (linux\-mm, linux\-hardening, etc)
.TP
.B \-c\fP,\fB  \-\-check\-newer\-revisions
Check if newer patch revisions exist
.TP
.BI \-n \ WANTNAME\fP,\fB \ \-\-mbox\-name \ WANTNAME
Filename to name the mbox file
.TP
.BI \-m \ LOCALMBOX\fP,\fB \ \-\-use\-local\-mbox \ LOCALMBOX
Instead of grabbing a thread from lore, process this mbox file
.TP
.B \-C\fP,\fB  \-\-no\-cache
Do not use local cache
.TP
.BI \-v \ WANTVER\fP,\fB \ \-\-use\-version \ WANTVER
Get a specific version of the patch/series
.TP
.B \-t\fP,\fB  \-\-apply\-cover\-trailers
Apply trailers sent to the cover letter to all patches
.TP
.B \-S\fP,\fB  \-\-sloppy\-trailers
Apply trailers without email address match checking
.TP
.B \-T\fP,\fB  \-\-no\-add\-trailers
Do not add or sort any trailers
.TP
.B \-s\fP,\fB  \-\-add\-my\-sob
Add your own signed\-off\-by to every patch
.TP
.B \-l\fP,\fB  \-\-add\-link
Add a lore.kernel.org/r/ link to every patch
.TP
.B \-Q\fP,\fB  \-\-quilt\-ready
Save mbox patches in a quilt\-ready folder
.TP
.BI \-P \ CHERRYPICK\fP,\fB \ \-\-cherry\-pick \ CHERRYPICK
Cherry\-pick a subset of patches (e.g. "\-P 1\-2,4,6\-", "\-P _" to use just the msgid specified, or "\-P *globbing*" to match on commit subject)
.TP
.B \-g\fP,\fB  \-\-guess\-base
Try to guess the base of the series (if not specified)
.TP
.B \-3\fP,\fB  \-\-prep\-3way
Prepare for a 3\-way merge (tries to ensure that all index blobs exist by making a fake commit range)
.TP
.B \-\-no\-cover
Do not save the cover letter (on by default when using \-o \-)
.UNINDENT
.UNINDENT
.sp
\fIExample\fP: b4 am \fI\%20200313231252.64999\-1\-keescook@chromium.org\fP
.SS b4 attest
.INDENT 0.0
.TP
.B usage:
b4 attest [\-h] [\-f SENDER] [\-n] [\-o OUTPUT] patchfile [patchfile ...]
.TP
.B positional arguments:
patchfile             Patches to attest
.TP
.B optional arguments:
.INDENT 7.0
.TP
.B \-h\fP,\fB  \-\-help
show this help message and exit
.TP
.BI \-f \ SENDER\fP,\fB \ \-\-from \ SENDER
Use a custom From field
.TP
.B \-n\fP,\fB  \-\-no\-submit
Do not submit attestation, just save the message ready to send
.TP
.BI \-o \ OUTPUT\fP,\fB \ \-\-output \ OUTPUT
Save attestation message in this file if not submitting it
.UNINDENT
.UNINDENT
.sp
\fIExample\fP: b4 attest \-n \-o output/xxxx\-attestation.patch output/*.patch
.SS b4 pr
.INDENT 0.0
.TP
.B usage:
command.py pr [\-h] [\-g GITDIR] [\-b BRANCH] [\-c] [\-e] [\-o OUTMBOX] [msgid]
.TP
.B positional arguments:
msgid                 Message ID to process, or pipe a raw message
.TP
.B optional arguments:
.INDENT 7.0
.TP
.B \-h\fP,\fB  \-\-help
show this help message and exit
.TP
.BI \-g \ GITDIR\fP,\fB \ \-\-gitdir \ GITDIR
Operate on this git tree instead of current dir
.TP
.BI \-b \ BRANCH\fP,\fB \ \-\-branch \ BRANCH
Check out FETCH_HEAD into this branch after fetching
.TP
.B \-c\fP,\fB  \-\-check
Check if pull request has already been applied
.TP
.B \-e\fP,\fB  \-\-explode
Convert a pull request into an mbox full of patches
.TP
.BI \-o \ OUTMBOX\fP,\fB \ \-\-output\-mbox \ OUTMBOX
Save exploded messages into this mailbox (default: msgid.mbx)
.UNINDENT
.UNINDENT
.sp
\fIExample\fP: b4 pr \fI\%202003292120.2BDCB41@keescook\fP
.SS b4 ty
.INDENT 0.0
.TP
.B usage:
b4 ty [\-h] [\-g GITDIR] [\-o OUTDIR] [\-l] [\-s SEND [SEND ...]] [\-d DISCARD [DISCARD ...]] [\-a] [\-b BRANCH] [\-\-since SINCE]
.TP
.B optional arguments:
.INDENT 7.0
.TP
.B \-h\fP,\fB  \-\-help
show this help message and exit
.TP
.BI \-g \ GITDIR\fP,\fB \ \-\-gitdir \ GITDIR
Operate on this git tree instead of current dir
.TP
.BI \-o \ OUTDIR\fP,\fB \ \-\-outdir \ OUTDIR
Write thanks files into this dir (default=.)
.TP
.B \-l\fP,\fB  \-\-list
List pull requests and patch series you have retrieved
.TP
.BI \-s \ SEND\fP,\fB \ \-\-send \ SEND
Generate thankyous for specific entries from \-l (e.g.: 1,3\-5,7\-; or "all")
.TP
.BI \-d \ DISCARD\fP,\fB \ \-\-discard \ DISCARD
Discard specific messages from \-l (e.g.: 1,3\-5,7\-; or "all")
.TP
.B \-a\fP,\fB  \-\-auto
Use the Auto\-Thankanator to figure out what got applied/merged
.TP
.BI \-b \ BRANCH\fP,\fB \ \-\-branch \ BRANCH
The branch to check against, instead of current
.TP
.BI \-\-since \ SINCE
The \-\-since option to use when auto\-matching patches (default=1.week)
.UNINDENT
.UNINDENT
.sp
\fIExample\fP: b4 ty \-\-auto
.SS b4 diff
.sp
usage: b4 diff [\-h] [\-g GITDIR] [\-p USEPROJECT] [\-C] [\-v WANTVERS [WANTVERS ...]] [\-n] [\-o OUTDIFF] [\-c] [\-m AMBOX AMBOX] [msgid]
.INDENT 0.0
.TP
.B positional arguments:
msgid                 Message ID to process, pipe a raw message, or use \-m
.UNINDENT
.sp
optional arguments:
.INDENT 0.0
.INDENT 3.5
.INDENT 0.0
.TP
.B \-h\fP,\fB  \-\-help
show this help message and exit
.TP
.BI \-g \ GITDIR\fP,\fB \ \-\-gitdir \ GITDIR
Operate on this git tree instead of current dir
.TP
.BI \-p \ USEPROJECT\fP,\fB \ \-\-use\-project \ USEPROJECT
Use a specific project instead of guessing (linux\-mm, linux\-hardening, etc)
.TP
.B \-C\fP,\fB  \-\-no\-cache
Do not use local cache
.UNINDENT
.INDENT 0.0
.TP
.B \-v WANTVERS [WANTVERS ...], \-\-compare\-versions WANTVERS [WANTVERS ...]
Compare specific versions instead of latest and one before that, e.g. \-v 3 5
.UNINDENT
.INDENT 0.0
.TP
.B \-n\fP,\fB  \-\-no\-diff
Do not generate a diff, just show the command to do it
.TP
.BI \-o \ OUTDIFF\fP,\fB \ \-\-output\-diff \ OUTDIFF
Save diff into this file instead of outputting to stdout
.TP
.B \-c\fP,\fB  \-\-color
Force color output even when writing to file
.UNINDENT
.IP "System Message: WARNING/2 (b4.5.rst:, line 201)"
Option list ends without a blank line; unexpected unindent.
.INDENT 0.0
.TP
.B \-m AMBOX AMBOX, \-\-compare\-am\-mboxes AMBOX AMBOX
Compare two mbx files prepared with "b4 am"
.UNINDENT
.UNINDENT
.UNINDENT
.sp
\fIExample\fP: b4 diff
.SH CONFIGURATION
.sp
B4 configuration is handled via git\-config(1), so you can store it in
either the toplevel $HOME/.gitconfig file, or in a per\-repository
.git/config file if your workflow changes per project.
.sp
Default configuration, with explanations:
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
[b4]
   # Where to look up threads by message id
   midmask = https://lore.kernel.org/r/%s\(aq
   #
   # When recording Link: trailers, use this mask
   linkmask = https://lore.kernel.org/r/%s\(aq
   #
   # When processing thread trailers, use this order. Can use shell\-globbing
   # and must end with ,*
   # Common alternative order:
   #trailer\-order=link*,fixes*,cc*,reported*,suggested*,original*,co\-*,tested*,reviewed*,acked*,signed\-off*,*
   trailer\-order = fixes*,reported*,suggested*,original*,co\-*,signed\-off*,tested*,reviewed*,acked*,cc*,link*,*
   #
   # Attestation\-checking configuration parameters
   # off: do not bother checking attestation
   # check: print an attaboy when attestation is found
   # softfail: print a warning when no attestation found
   # hardfail: exit with an error when no attestation found
   attestation\-policy = check
   #
   # "gpg" (whatever gpg is configured to do) or "tofu" to force TOFU mode
   # If you don\(aqt already have a carefully maintained web of trust setup, it is
   # strongly recommended to set this to "tofu"
   attestation\-trust\-model = gpg
   #
   # How strict should we be when comparing the email address in From to the
   # email addresses in the key\(aqs UIDs?
   # strict: must match one of the uids on the key to pass
   # loose: any valid and trusted key will be accepted
   attestation\-uid\-match = loose
   #
   # When showing attestation check results, do you like "fancy" (color, unicode)
   # or simple checkmarks?
   attestation\-checkmarks = fancy
   #
   # How long before we consider attestation to be too old?
   attestation\-staleness\-days = 30
   #
   # You can point this at a non\-default home dir, if you like, or leave out to
   # use the OS default.
   attestation\-gnupghome = None
   #
   # If this is not set, we\(aqll use what we find in
   # git\-config for gpg.program; and if that\(aqs not set,
   # we\(aqll use "gpg" and hope for the best
   gpgbin = None
   #
   # How long to keep downloaded threads in cache (minutes)?
   cache\-expire = 10
   # Used when creating summaries for b4 ty, and can be set to a value like
   # thanks\-commit\-url\-mask = https://git.kernel.org/username/c/%.10s
   # See this page for more info on convenient git.kernel.org shorterners:
   # https://korg.wiki.kernel.org/userdoc/git\-url\-shorterners
   thanks\-commit\-url\-mask = None
   # See thanks\-pr\-template.example. If not set, a default template will be used.
   thanks\-pr\-template = None
   # See thanks\-am\-template.example. If not set, a default template will be used.
   thanks\-am\-template = None
.ft P
.fi
.UNINDENT
.UNINDENT
.SH SUPPORT
.sp
Please email \fI\%tools@linux.kernel.org\fP with support requests.
.SH AUTHOR
mricon@kernel.org

License: GPLv2+
.SH COPYRIGHT
The Linux Foundation and contributors
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