patman: Move code for sending into its own module
The control module includes much of the implementation of patman's
'send' feature. As a first step to separating this out, move the sending
code into its own file.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/patman/send.py b/tools/patman/send.py
new file mode 100644
index 0000000..66f3c4e
--- /dev/null
+++ b/tools/patman/send.py
@@ -0,0 +1,179 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright 2025 Google LLC
+#
+"""Handles the 'send' subcommand
+"""
+
+import os
+import sys
+
+from patman import checkpatch
+from patman import patchstream
+from u_boot_pylib import gitutil
+from u_boot_pylib import terminal
+
+
+def check_patches(series, patch_files, run_checkpatch, verbose, use_tree):
+ """Run some checks on a set of patches
+
+ This santiy-checks the patman tags like Series-version and runs the patches
+ through checkpatch
+
+ Args:
+ series (Series): Series object for this series (set of patches)
+ patch_files (list): List of patch filenames, each a string, e.g.
+ ['0001_xxx.patch', '0002_yyy.patch']
+ run_checkpatch (bool): True to run checkpatch.pl
+ verbose (bool): True to print out every line of the checkpatch output as
+ it is parsed
+ use_tree (bool): If False we'll pass '--no-tree' to checkpatch.
+
+ Returns:
+ bool: True if the patches had no errors, False if they did
+ """
+ # Do a few checks on the series
+ series.DoChecks()
+
+ # Check the patches
+ if run_checkpatch:
+ ok = checkpatch.check_patches(verbose, patch_files, use_tree)
+ else:
+ ok = True
+ return ok
+
+
+def email_patches(col, series, cover_fname, patch_files, process_tags, its_a_go,
+ ignore_bad_tags, add_maintainers, get_maintainer_script, limit,
+ dry_run, in_reply_to, thread, smtp_server):
+ """Email patches to the recipients
+
+ This emails out the patches and cover letter using 'git send-email'. Each
+ patch is copied to recipients identified by the patch tag and output from
+ the get_maintainer.pl script. The cover letter is copied to all recipients
+ of any patch.
+
+ To make this work a CC file is created holding the recipients for each patch
+ and the cover letter. See the main program 'cc_cmd' for this logic.
+
+ Args:
+ col (terminal.Color): Colour output object
+ series (Series): Series object for this series (set of patches)
+ cover_fname (str): Filename of the cover letter as a string (None if
+ none)
+ patch_files (list): List of patch filenames, each a string, e.g.
+ ['0001_xxx.patch', '0002_yyy.patch']
+ process_tags (bool): True to process subject tags in each patch, e.g.
+ for 'dm: spi: Add SPI support' this would be 'dm' and 'spi'. The
+ tags are looked up in the configured sendemail.aliasesfile and also
+ in ~/.patman (see README)
+ its_a_go (bool): True if we are going to actually send the patches,
+ False if the patches have errors and will not be sent unless
+ @ignore_errors
+ ignore_bad_tags (bool): True to just print a warning for unknown tags,
+ False to halt with an error
+ add_maintainers (bool): Run the get_maintainer.pl script for each patch
+ get_maintainer_script (str): The script used to retrieve which
+ maintainers to cc
+ limit (int): Limit on the number of people that can be cc'd on a single
+ patch or the cover letter (None if no limit)
+ dry_run (bool): Don't actually email the patches, just print out what
+ would be sent
+ in_reply_to (str): If not None we'll pass this to git as --in-reply-to.
+ Should be a message ID that this is in reply to.
+ thread (bool): True to add --thread to git send-email (make all patches
+ reply to cover-letter or first patch in series)
+ smtp_server (str): SMTP server to use to send patches (None for default)
+ """
+ cc_file = series.MakeCcFile(process_tags, cover_fname, not ignore_bad_tags,
+ add_maintainers, limit, get_maintainer_script)
+
+ # Email the patches out (giving the user time to check / cancel)
+ cmd = ''
+ if its_a_go:
+ cmd = gitutil.email_patches(
+ series, cover_fname, patch_files, dry_run, not ignore_bad_tags,
+ cc_file, in_reply_to=in_reply_to, thread=thread,
+ smtp_server=smtp_server)
+ else:
+ print(col.build(col.RED, "Not sending emails due to errors/warnings"))
+
+ # For a dry run, just show our actions as a sanity check
+ if dry_run:
+ series.ShowActions(patch_files, cmd, process_tags)
+ if not its_a_go:
+ print(col.build(col.RED, "Email would not be sent"))
+
+ os.remove(cc_file)
+
+
+def prepare_patches(col, branch, count, start, end, ignore_binary, signoff,
+ keep_change_id=False):
+ """Figure out what patches to generate, then generate them
+
+ The patch files are written to the current directory, e.g. 0001_xxx.patch
+ 0002_yyy.patch
+
+ Args:
+ col (terminal.Color): Colour output object
+ branch (str): Branch to create patches from (None = current)
+ count (int): Number of patches to produce, or -1 to produce patches for
+ the current branch back to the upstream commit
+ start (int): Start partch to use (0=first / top of branch)
+ end (int): End patch to use (0=last one in series, 1=one before that,
+ etc.)
+ ignore_binary (bool): Don't generate patches for binary files
+ keep_change_id (bool): Preserve the Change-Id tag.
+
+ Returns:
+ Tuple:
+ Series object for this series (set of patches)
+ Filename of the cover letter as a string (None if none)
+ patch_files: List of patch filenames, each a string, e.g.
+ ['0001_xxx.patch', '0002_yyy.patch']
+ """
+ if count == -1:
+ # Work out how many patches to send if we can
+ count = (gitutil.count_commits_to_branch(branch) - start)
+
+ if not count:
+ str = 'No commits found to process - please use -c flag, or run:\n' \
+ ' git branch --set-upstream-to remote/branch'
+ sys.exit(col.build(col.RED, str))
+
+ # Read the metadata from the commits
+ to_do = count - end
+ series = patchstream.get_metadata(branch, start, to_do)
+ cover_fname, patch_files = gitutil.create_patches(
+ branch, start, to_do, ignore_binary, series, signoff)
+
+ # Fix up the patch files to our liking, and insert the cover letter
+ patchstream.fix_patches(series, patch_files, keep_change_id,
+ insert_base_commit=not cover_fname)
+ if cover_fname and series.get('cover'):
+ patchstream.insert_cover_letter(cover_fname, series, to_do)
+ return series, cover_fname, patch_files
+
+
+def send(args):
+ """Create, check and send patches by email
+
+ Args:
+ args (argparse.Namespace): Arguments to patman
+ """
+ col = terminal.Color()
+ series, cover_fname, patch_files = prepare_patches(
+ col, args.branch, args.count, args.start, args.end,
+ args.ignore_binary, args.add_signoff,
+ keep_change_id=args.keep_change_id)
+ ok = check_patches(series, patch_files, args.check_patch,
+ args.verbose, args.check_patch_use_tree)
+
+ ok = ok and gitutil.check_suppress_cc_config()
+
+ its_a_go = ok or args.ignore_errors
+ email_patches(
+ col, series, cover_fname, patch_files, args.process_tags,
+ its_a_go, args.ignore_bad_tags, args.add_maintainers,
+ args.get_maintainer_script, args.limit, args.dry_run,
+ args.in_reply_to, args.thread, args.smtp_server)