1 # SPDX-License-Identifier: GPL-2.0+
2 # Copyright (c) 2011 The Chromium OS Authors.
10 from patman import command
11 from patman import settings
12 from patman import terminal
13 from patman import tools
15 # True to use --no-decorate - we check this in Setup()
16 use_no_decorate = True
18 def LogCmd(commit_range, git_dir=None, oneline=False, reverse=False,
20 """Create a command to perform a 'git log'
23 commit_range: Range expression to use for log, None for none
24 git_dir: Path to git repository (None to use default)
25 oneline: True to use --oneline, else False
26 reverse: True to reverse the log (--reverse)
27 count: Number of commits to list, or None for no limit
29 List containing command and arguments to run
33 cmd += ['--git-dir', git_dir]
34 cmd += ['--no-pager', 'log', '--no-color']
36 cmd.append('--oneline')
38 cmd.append('--no-decorate')
40 cmd.append('--reverse')
42 cmd.append('-n%d' % count)
44 cmd.append(commit_range)
46 # Add this in case we have a branch with the same name as a directory.
47 # This avoids messages like this, for example:
48 # fatal: ambiguous argument 'test': both revision and filename
52 def CountCommitsToBranch():
53 """Returns number of commits between HEAD and the tracking branch.
55 This looks back to the tracking branch and works out the number of commits
59 Number of patches that exist on top of the branch
61 pipe = [LogCmd('@{upstream}..', oneline=True),
63 stdout = command.RunPipe(pipe, capture=True, oneline=True).stdout
64 patch_count = int(stdout)
67 def NameRevision(commit_hash):
68 """Gets the revision name for a commit
71 commit_hash: Commit hash to look up
74 Name of revision, if any, else None
76 pipe = ['git', 'name-rev', commit_hash]
77 stdout = command.RunPipe([pipe], capture=True, oneline=True).stdout
79 # We expect a commit, a space, then a revision name
80 name = stdout.split(' ')[1].strip()
83 def GuessUpstream(git_dir, branch):
84 """Tries to guess the upstream for a branch
86 This lists out top commits on a branch and tries to find a suitable
87 upstream. It does this by looking for the first commit where
88 'git name-rev' returns a plain branch name, with no ! or ^ modifiers.
91 git_dir: Git directory containing repo
92 branch: Name of branch
96 Name of upstream branch (e.g. 'upstream/master') or None if none
97 Warning/error message, or None if none
99 pipe = [LogCmd(branch, git_dir=git_dir, oneline=True, count=100)]
100 result = command.RunPipe(pipe, capture=True, capture_stderr=True,
101 raise_on_error=False)
102 if result.return_code:
103 return None, "Branch '%s' not found" % branch
104 for line in result.stdout.splitlines()[1:]:
105 commit_hash = line.split(' ')[0]
106 name = NameRevision(commit_hash)
107 if '~' not in name and '^' not in name:
108 if name.startswith('remotes/'):
110 return name, "Guessing upstream as '%s'" % name
111 return None, "Cannot find a suitable upstream for branch '%s'" % branch
113 def GetUpstream(git_dir, branch):
114 """Returns the name of the upstream for a branch
117 git_dir: Git directory containing repo
118 branch: Name of branch
122 Name of upstream branch (e.g. 'upstream/master') or None if none
123 Warning/error message, or None if none
126 remote = command.OutputOneLine('git', '--git-dir', git_dir, 'config',
127 'branch.%s.remote' % branch)
128 merge = command.OutputOneLine('git', '--git-dir', git_dir, 'config',
129 'branch.%s.merge' % branch)
131 upstream, msg = GuessUpstream(git_dir, branch)
136 elif remote and merge:
137 leaf = merge.split('/')[-1]
138 return '%s/%s' % (remote, leaf), None
140 raise ValueError("Cannot determine upstream branch for branch "
141 "'%s' remote='%s', merge='%s'" % (branch, remote, merge))
144 def GetRangeInBranch(git_dir, branch, include_upstream=False):
145 """Returns an expression for the commits in the given branch.
148 git_dir: Directory containing git repo
149 branch: Name of branch
151 Expression in the form 'upstream..branch' which can be used to
152 access the commits. If the branch does not exist, returns None.
154 upstream, msg = GetUpstream(git_dir, branch)
157 rstr = '%s%s..%s' % (upstream, '~' if include_upstream else '', branch)
160 def CountCommitsInRange(git_dir, range_expr):
161 """Returns the number of commits in the given range.
164 git_dir: Directory containing git repo
165 range_expr: Range to check
167 Number of patches that exist in the supplied range or None if none
170 pipe = [LogCmd(range_expr, git_dir=git_dir, oneline=True)]
171 result = command.RunPipe(pipe, capture=True, capture_stderr=True,
172 raise_on_error=False)
173 if result.return_code:
174 return None, "Range '%s' not found or is invalid" % range_expr
175 patch_count = len(result.stdout.splitlines())
176 return patch_count, None
178 def CountCommitsInBranch(git_dir, branch, include_upstream=False):
179 """Returns the number of commits in the given branch.
182 git_dir: Directory containing git repo
183 branch: Name of branch
185 Number of patches that exist on top of the branch, or None if the
186 branch does not exist.
188 range_expr, msg = GetRangeInBranch(git_dir, branch, include_upstream)
191 return CountCommitsInRange(git_dir, range_expr)
193 def CountCommits(commit_range):
194 """Returns the number of commits in the given range.
197 commit_range: Range of commits to count (e.g. 'HEAD..base')
199 Number of patches that exist on top of the branch
201 pipe = [LogCmd(commit_range, oneline=True),
203 stdout = command.RunPipe(pipe, capture=True, oneline=True).stdout
204 patch_count = int(stdout)
207 def Checkout(commit_hash, git_dir=None, work_tree=None, force=False):
208 """Checkout the selected commit for this build
211 commit_hash: Commit hash to check out
215 pipe.extend(['--git-dir', git_dir])
217 pipe.extend(['--work-tree', work_tree])
218 pipe.append('checkout')
221 pipe.append(commit_hash)
222 result = command.RunPipe([pipe], capture=True, raise_on_error=False,
224 if result.return_code != 0:
225 raise OSError('git checkout (%s): %s' % (pipe, result.stderr))
227 def Clone(git_dir, output_dir):
228 """Checkout the selected commit for this build
231 commit_hash: Commit hash to check out
233 pipe = ['git', 'clone', git_dir, '.']
234 result = command.RunPipe([pipe], capture=True, cwd=output_dir,
236 if result.return_code != 0:
237 raise OSError('git clone: %s' % result.stderr)
239 def Fetch(git_dir=None, work_tree=None):
240 """Fetch from the origin repo
243 commit_hash: Commit hash to check out
247 pipe.extend(['--git-dir', git_dir])
249 pipe.extend(['--work-tree', work_tree])
251 result = command.RunPipe([pipe], capture=True, capture_stderr=True)
252 if result.return_code != 0:
253 raise OSError('git fetch: %s' % result.stderr)
255 def CreatePatches(start, count, ignore_binary, series):
256 """Create a series of patches from the top of the current branch.
258 The patch files are written to the current directory using
262 start: Commit to start from: 0=HEAD, 1=next one, etc.
263 count: number of commits to include
265 Filename of cover letter
266 List of filenames of patch files
268 if series.get('version'):
269 version = '%s ' % series['version']
270 cmd = ['git', 'format-patch', '-M', '--signoff']
272 cmd.append('--no-binary')
273 if series.get('cover'):
274 cmd.append('--cover-letter')
275 prefix = series.GetPatchPrefix()
277 cmd += ['--subject-prefix=%s' % prefix]
278 cmd += ['HEAD~%d..HEAD~%d' % (start + count, start)]
280 stdout = command.RunList(cmd)
281 files = stdout.splitlines()
283 # We have an extra file if there is a cover letter
284 if series.get('cover'):
285 return files[0], files[1:]
289 def BuildEmailList(in_list, tag=None, alias=None, raise_on_error=True):
290 """Build a list of email addresses based on an input list.
292 Takes a list of email addresses and aliases, and turns this into a list
293 of only email address, by resolving any aliases that are present.
295 If the tag is given, then each email address is prepended with this
296 tag and a space. If the tag starts with a minus sign (indicating a
297 command line parameter) then the email address is quoted.
300 in_list: List of aliases/email addresses
301 tag: Text to put before each address
302 alias: Alias dictionary
303 raise_on_error: True to raise an error when an alias fails to match,
304 False to just print a message.
307 List of email addresses
310 >>> alias['fred'] = ['f.bloggs@napier.co.nz']
311 >>> alias['john'] = ['j.bloggs@napier.co.nz']
312 >>> alias['mary'] = ['Mary Poppins <m.poppins@cloud.net>']
313 >>> alias['boys'] = ['fred', ' john']
314 >>> alias['all'] = ['fred ', 'john', ' mary ']
315 >>> BuildEmailList(['john', 'mary'], None, alias)
316 ['j.bloggs@napier.co.nz', 'Mary Poppins <m.poppins@cloud.net>']
317 >>> BuildEmailList(['john', 'mary'], '--to', alias)
318 ['--to "j.bloggs@napier.co.nz"', \
319 '--to "Mary Poppins <m.poppins@cloud.net>"']
320 >>> BuildEmailList(['john', 'mary'], 'Cc', alias)
321 ['Cc j.bloggs@napier.co.nz', 'Cc Mary Poppins <m.poppins@cloud.net>']
323 quote = '"' if tag and tag[0] == '-' else ''
326 raw += LookupEmail(item, alias, raise_on_error=raise_on_error)
329 item = tools.FromUnicode(item)
330 if not item in result:
333 return ['%s %s%s%s' % (tag, quote, email, quote) for email in result]
336 def EmailPatches(series, cover_fname, args, dry_run, raise_on_error, cc_fname,
337 self_only=False, alias=None, in_reply_to=None, thread=False,
339 """Email a patch series.
342 series: Series object containing destination info
343 cover_fname: filename of cover letter
344 args: list of filenames of patch files
345 dry_run: Just return the command that would be run
346 raise_on_error: True to raise an error when an alias fails to match,
347 False to just print a message.
348 cc_fname: Filename of Cc file for per-commit Cc
349 self_only: True to just email to yourself as a test
350 in_reply_to: If set we'll pass this to git as --in-reply-to.
351 Should be a message ID that this is in reply to.
352 thread: True to add --thread to git send-email (make
353 all patches reply to cover-letter or first patch in series)
354 smtp_server: SMTP server to use to send patches
357 Git command that was/would be run
359 # For the duration of this doctest pretend that we ran patman with ./patman
360 >>> _old_argv0 = sys.argv[0]
361 >>> sys.argv[0] = './patman'
364 >>> alias['fred'] = ['f.bloggs@napier.co.nz']
365 >>> alias['john'] = ['j.bloggs@napier.co.nz']
366 >>> alias['mary'] = ['m.poppins@cloud.net']
367 >>> alias['boys'] = ['fred', ' john']
368 >>> alias['all'] = ['fred ', 'john', ' mary ']
369 >>> alias[os.getenv('USER')] = ['this-is-me@me.com']
371 >>> series['to'] = ['fred']
372 >>> series['cc'] = ['mary']
373 >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, True, 'cc-fname', \
375 'git send-email --annotate --to "f.bloggs@napier.co.nz" --cc \
376 "m.poppins@cloud.net" --cc-cmd "./patman --cc-cmd cc-fname" cover p1 p2'
377 >>> EmailPatches(series, None, ['p1'], True, True, 'cc-fname', False, \
379 'git send-email --annotate --to "f.bloggs@napier.co.nz" --cc \
380 "m.poppins@cloud.net" --cc-cmd "./patman --cc-cmd cc-fname" p1'
381 >>> series['cc'] = ['all']
382 >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, True, 'cc-fname', \
384 'git send-email --annotate --to "this-is-me@me.com" --cc-cmd "./patman \
385 --cc-cmd cc-fname" cover p1 p2'
386 >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, True, 'cc-fname', \
388 'git send-email --annotate --to "f.bloggs@napier.co.nz" --cc \
389 "f.bloggs@napier.co.nz" --cc "j.bloggs@napier.co.nz" --cc \
390 "m.poppins@cloud.net" --cc-cmd "./patman --cc-cmd cc-fname" cover p1 p2'
392 # Restore argv[0] since we clobbered it.
393 >>> sys.argv[0] = _old_argv0
395 to = BuildEmailList(series.get('to'), '--to', alias, raise_on_error)
397 git_config_to = command.Output('git', 'config', 'sendemail.to',
398 raise_on_error=False)
399 if not git_config_to:
400 print("No recipient.\n"
401 "Please add something like this to a commit\n"
402 "Series-to: Fred Bloggs <f.blogs@napier.co.nz>\n"
403 "Or do something like this\n"
404 "git config sendemail.to u-boot@lists.denx.de")
406 cc = BuildEmailList(list(set(series.get('cc')) - set(series.get('to'))),
407 '--cc', alias, raise_on_error)
409 to = BuildEmailList([os.getenv('USER')], '--to', alias, raise_on_error)
411 cmd = ['git', 'send-email', '--annotate']
413 cmd.append('--smtp-server=%s' % smtp_server)
415 cmd.append('--in-reply-to="%s"' % tools.FromUnicode(in_reply_to))
417 cmd.append('--thread')
421 cmd += ['--cc-cmd', '"%s --cc-cmd %s"' % (sys.argv[0], cc_fname)]
423 cmd.append(cover_fname)
425 cmdstr = ' '.join(cmd)
431 def LookupEmail(lookup_name, alias=None, raise_on_error=True, level=0):
432 """If an email address is an alias, look it up and return the full name
434 TODO: Why not just use git's own alias feature?
437 lookup_name: Alias or email address to look up
438 alias: Dictionary containing aliases (None to use settings default)
439 raise_on_error: True to raise an error when an alias fails to match,
440 False to just print a message.
444 list containing a list of email addresses
447 OSError if a recursive alias reference was found
448 ValueError if an alias was not found
451 >>> alias['fred'] = ['f.bloggs@napier.co.nz']
452 >>> alias['john'] = ['j.bloggs@napier.co.nz']
453 >>> alias['mary'] = ['m.poppins@cloud.net']
454 >>> alias['boys'] = ['fred', ' john', 'f.bloggs@napier.co.nz']
455 >>> alias['all'] = ['fred ', 'john', ' mary ']
456 >>> alias['loop'] = ['other', 'john', ' mary ']
457 >>> alias['other'] = ['loop', 'john', ' mary ']
458 >>> LookupEmail('mary', alias)
459 ['m.poppins@cloud.net']
460 >>> LookupEmail('arthur.wellesley@howe.ro.uk', alias)
461 ['arthur.wellesley@howe.ro.uk']
462 >>> LookupEmail('boys', alias)
463 ['f.bloggs@napier.co.nz', 'j.bloggs@napier.co.nz']
464 >>> LookupEmail('all', alias)
465 ['f.bloggs@napier.co.nz', 'j.bloggs@napier.co.nz', 'm.poppins@cloud.net']
466 >>> LookupEmail('odd', alias)
467 Traceback (most recent call last):
469 ValueError: Alias 'odd' not found
470 >>> LookupEmail('loop', alias)
471 Traceback (most recent call last):
473 OSError: Recursive email alias at 'other'
474 >>> LookupEmail('odd', alias, raise_on_error=False)
475 Alias 'odd' not found
477 >>> # In this case the loop part will effectively be ignored.
478 >>> LookupEmail('loop', alias, raise_on_error=False)
479 Recursive email alias at 'other'
480 Recursive email alias at 'john'
481 Recursive email alias at 'mary'
482 ['j.bloggs@napier.co.nz', 'm.poppins@cloud.net']
485 alias = settings.alias
486 lookup_name = lookup_name.strip()
487 if '@' in lookup_name: # Perhaps a real email address
490 lookup_name = lookup_name.lower()
491 col = terminal.Color()
495 msg = "Recursive email alias at '%s'" % lookup_name
499 print(col.Color(col.RED, msg))
503 if not lookup_name in alias:
504 msg = "Alias '%s' not found" % lookup_name
506 raise ValueError(msg)
508 print(col.Color(col.RED, msg))
510 for item in alias[lookup_name]:
511 todo = LookupEmail(item, alias, raise_on_error, level + 1)
512 for new_item in todo:
513 if not new_item in out_list:
514 out_list.append(new_item)
516 #print("No match for alias '%s'" % lookup_name)
520 """Return name of top-level directory for this git repo.
523 Full path to git top-level directory
525 This test makes sure that we are running tests in the right subdir
527 >>> os.path.realpath(os.path.dirname(__file__)) == \
528 os.path.join(GetTopLevel(), 'tools', 'patman')
531 return command.OutputOneLine('git', 'rev-parse', '--show-toplevel')
534 """Gets the name of the git alias file.
537 Filename of git alias file, or None if none
539 fname = command.OutputOneLine('git', 'config', 'sendemail.aliasesfile',
540 raise_on_error=False)
542 fname = os.path.join(GetTopLevel(), fname.strip())
545 def GetDefaultUserName():
546 """Gets the user.name from .gitconfig file.
549 User name found in .gitconfig file, or None if none
551 uname = command.OutputOneLine('git', 'config', '--global', 'user.name')
554 def GetDefaultUserEmail():
555 """Gets the user.email from the global .gitconfig file.
558 User's email found in .gitconfig file, or None if none
560 uemail = command.OutputOneLine('git', 'config', '--global', 'user.email')
563 def GetDefaultSubjectPrefix():
564 """Gets the format.subjectprefix from local .git/config file.
567 Subject prefix found in local .git/config file, or None if none
569 sub_prefix = command.OutputOneLine('git', 'config', 'format.subjectprefix',
570 raise_on_error=False)
575 """Set up git utils, by reading the alias files."""
576 # Check for a git alias file also
577 global use_no_decorate
579 alias_fname = GetAliasFile()
581 settings.ReadGitAliases(alias_fname)
582 cmd = LogCmd(None, count=0)
583 use_no_decorate = (command.RunPipe([cmd], raise_on_error=False)
587 """Get the hash of the current HEAD
592 return command.OutputOneLine('git', 'show', '-s', '--pretty=format:%H')
594 if __name__ == "__main__":