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a13af89e10
A Change-Id can be useful for traceability purposes, and some projects may wish to have them preserved. This change makes it configurable via a new 'keep_change_id' setting. Signed-off-by: Maxim Cournoyer <maxim.cournoyer@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
247 lines
9.8 KiB
Python
247 lines
9.8 KiB
Python
# SPDX-License-Identifier: GPL-2.0+
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#
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# Copyright 2020 Google LLC
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#
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"""Handles the main control logic of patman
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This module provides various functions called by the main program to implement
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the features of patman.
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"""
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import os
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import sys
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from patman import checkpatch
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from patman import gitutil
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from patman import patchstream
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from u_boot_pylib import terminal
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def setup():
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"""Do required setup before doing anything"""
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gitutil.setup()
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def prepare_patches(col, branch, count, start, end, ignore_binary, signoff,
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keep_change_id=False):
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"""Figure out what patches to generate, then generate them
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The patch files are written to the current directory, e.g. 0001_xxx.patch
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0002_yyy.patch
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Args:
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col (terminal.Color): Colour output object
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branch (str): Branch to create patches from (None = current)
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count (int): Number of patches to produce, or -1 to produce patches for
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the current branch back to the upstream commit
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start (int): Start partch to use (0=first / top of branch)
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end (int): End patch to use (0=last one in series, 1=one before that,
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etc.)
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ignore_binary (bool): Don't generate patches for binary files
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keep_change_id (bool): Preserve the Change-Id tag.
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Returns:
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Tuple:
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Series object for this series (set of patches)
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Filename of the cover letter as a string (None if none)
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patch_files: List of patch filenames, each a string, e.g.
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['0001_xxx.patch', '0002_yyy.patch']
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"""
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if count == -1:
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# Work out how many patches to send if we can
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count = (gitutil.count_commits_to_branch(branch) - start)
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if not count:
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str = 'No commits found to process - please use -c flag, or run:\n' \
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' git branch --set-upstream-to remote/branch'
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sys.exit(col.build(col.RED, str))
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# Read the metadata from the commits
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to_do = count - end
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series = patchstream.get_metadata(branch, start, to_do)
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cover_fname, patch_files = gitutil.create_patches(
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branch, start, to_do, ignore_binary, series, signoff)
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# Fix up the patch files to our liking, and insert the cover letter
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patchstream.fix_patches(series, patch_files, keep_change_id)
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if cover_fname and series.get('cover'):
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patchstream.insert_cover_letter(cover_fname, series, to_do)
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return series, cover_fname, patch_files
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def check_patches(series, patch_files, run_checkpatch, verbose, use_tree):
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"""Run some checks on a set of patches
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This santiy-checks the patman tags like Series-version and runs the patches
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through checkpatch
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Args:
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series (Series): Series object for this series (set of patches)
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patch_files (list): List of patch filenames, each a string, e.g.
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['0001_xxx.patch', '0002_yyy.patch']
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run_checkpatch (bool): True to run checkpatch.pl
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verbose (bool): True to print out every line of the checkpatch output as
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it is parsed
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use_tree (bool): If False we'll pass '--no-tree' to checkpatch.
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Returns:
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bool: True if the patches had no errors, False if they did
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"""
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# Do a few checks on the series
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series.DoChecks()
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# Check the patches
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if run_checkpatch:
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ok = checkpatch.check_patches(verbose, patch_files, use_tree)
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else:
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ok = True
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return ok
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def email_patches(col, series, cover_fname, patch_files, process_tags, its_a_go,
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ignore_bad_tags, add_maintainers, get_maintainer_script, limit,
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dry_run, in_reply_to, thread, smtp_server):
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"""Email patches to the recipients
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This emails out the patches and cover letter using 'git send-email'. Each
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patch is copied to recipients identified by the patch tag and output from
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the get_maintainer.pl script. The cover letter is copied to all recipients
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of any patch.
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To make this work a CC file is created holding the recipients for each patch
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and the cover letter. See the main program 'cc_cmd' for this logic.
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Args:
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col (terminal.Color): Colour output object
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series (Series): Series object for this series (set of patches)
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cover_fname (str): Filename of the cover letter as a string (None if
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none)
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patch_files (list): List of patch filenames, each a string, e.g.
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['0001_xxx.patch', '0002_yyy.patch']
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process_tags (bool): True to process subject tags in each patch, e.g.
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for 'dm: spi: Add SPI support' this would be 'dm' and 'spi'. The
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tags are looked up in the configured sendemail.aliasesfile and also
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in ~/.patman (see README)
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its_a_go (bool): True if we are going to actually send the patches,
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False if the patches have errors and will not be sent unless
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@ignore_errors
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ignore_bad_tags (bool): True to just print a warning for unknown tags,
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False to halt with an error
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add_maintainers (bool): Run the get_maintainer.pl script for each patch
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get_maintainer_script (str): The script used to retrieve which
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maintainers to cc
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limit (int): Limit on the number of people that can be cc'd on a single
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patch or the cover letter (None if no limit)
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dry_run (bool): Don't actually email the patches, just print out what
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would be sent
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in_reply_to (str): If not None we'll pass this to git as --in-reply-to.
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Should be a message ID that this is in reply to.
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thread (bool): True to add --thread to git send-email (make all patches
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reply to cover-letter or first patch in series)
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smtp_server (str): SMTP server to use to send patches (None for default)
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"""
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cc_file = series.MakeCcFile(process_tags, cover_fname, not ignore_bad_tags,
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add_maintainers, limit, get_maintainer_script)
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# Email the patches out (giving the user time to check / cancel)
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cmd = ''
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if its_a_go:
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cmd = gitutil.email_patches(
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series, cover_fname, patch_files, dry_run, not ignore_bad_tags,
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cc_file, in_reply_to=in_reply_to, thread=thread,
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smtp_server=smtp_server)
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else:
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print(col.build(col.RED, "Not sending emails due to errors/warnings"))
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# For a dry run, just show our actions as a sanity check
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if dry_run:
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series.ShowActions(patch_files, cmd, process_tags)
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if not its_a_go:
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print(col.build(col.RED, "Email would not be sent"))
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os.remove(cc_file)
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def send(args):
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"""Create, check and send patches by email
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Args:
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args (argparse.Namespace): Arguments to patman
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"""
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setup()
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col = terminal.Color()
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series, cover_fname, patch_files = prepare_patches(
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col, args.branch, args.count, args.start, args.end,
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args.ignore_binary, args.add_signoff,
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keep_change_id=args.keep_change_id)
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ok = check_patches(series, patch_files, args.check_patch,
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args.verbose, args.check_patch_use_tree)
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ok = ok and gitutil.check_suppress_cc_config()
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its_a_go = ok or args.ignore_errors
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email_patches(
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col, series, cover_fname, patch_files, args.process_tags,
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its_a_go, args.ignore_bad_tags, args.add_maintainers,
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args.get_maintainer_script, args.limit, args.dry_run,
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args.in_reply_to, args.thread, args.smtp_server)
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def patchwork_status(branch, count, start, end, dest_branch, force,
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show_comments, url):
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"""Check the status of patches in patchwork
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This finds the series in patchwork using the Series-link tag, checks for new
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comments and review tags, displays then and creates a new branch with the
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review tags.
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Args:
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branch (str): Branch to create patches from (None = current)
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count (int): Number of patches to produce, or -1 to produce patches for
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the current branch back to the upstream commit
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start (int): Start partch to use (0=first / top of branch)
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end (int): End patch to use (0=last one in series, 1=one before that,
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etc.)
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dest_branch (str): Name of new branch to create with the updated tags
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(None to not create a branch)
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force (bool): With dest_branch, force overwriting an existing branch
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show_comments (bool): True to display snippets from the comments
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provided by reviewers
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url (str): URL of patchwork server, e.g. 'https://patchwork.ozlabs.org'.
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This is ignored if the series provides a Series-patchwork-url tag.
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Raises:
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ValueError: if the branch has no Series-link value
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"""
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if count == -1:
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# Work out how many patches to send if we can
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count = (gitutil.count_commits_to_branch(branch) - start)
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series = patchstream.get_metadata(branch, start, count - end)
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warnings = 0
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for cmt in series.commits:
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if cmt.warn:
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print('%d warnings for %s:' % (len(cmt.warn), cmt.hash))
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for warn in cmt.warn:
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print('\t', warn)
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warnings += 1
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print
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if warnings:
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raise ValueError('Please fix warnings before running status')
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links = series.get('links')
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if not links:
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raise ValueError("Branch has no Series-links value")
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# Find the link without a version number (we don't support versions yet)
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found = [link for link in links.split() if not ':' in link]
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if not found:
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raise ValueError('Series-links has no current version (without :)')
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# Allow the series to override the URL
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if 'patchwork_url' in series:
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url = series.patchwork_url
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# Import this here to avoid failing on other commands if the dependencies
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# are not present
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from patman import status
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status.check_patchwork_status(series, found[0], branch, dest_branch, force,
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show_comments, url)
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