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(branch):
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 branch: Branch to count from (None for current branch)
62 Number of patches that exist on top of the branch
65 us, msg = GetUpstream('.git', branch)
66 rev_range = '%s..%s' % (us, branch)
68 rev_range = '@{upstream}..'
69 pipe = [LogCmd(rev_range, oneline=True), ['wc', '-l']]
70 stdout = command.RunPipe(pipe, capture=True, oneline=True).stdout
71 patch_count = int(stdout)
74 def NameRevision(commit_hash):
75 """Gets the revision name for a commit
78 commit_hash: Commit hash to look up
81 Name of revision, if any, else None
83 pipe = ['git', 'name-rev', commit_hash]
84 stdout = command.RunPipe([pipe], capture=True, oneline=True).stdout
86 # We expect a commit, a space, then a revision name
87 name = stdout.split(' ')[1].strip()
90 def GuessUpstream(git_dir, branch):
91 """Tries to guess the upstream for a branch
93 This lists out top commits on a branch and tries to find a suitable
94 upstream. It does this by looking for the first commit where
95 'git name-rev' returns a plain branch name, with no ! or ^ modifiers.
98 git_dir: Git directory containing repo
99 branch: Name of branch
103 Name of upstream branch (e.g. 'upstream/master') or None if none
104 Warning/error message, or None if none
106 pipe = [LogCmd(branch, git_dir=git_dir, oneline=True, count=100)]
107 result = command.RunPipe(pipe, capture=True, capture_stderr=True,
108 raise_on_error=False)
109 if result.return_code:
110 return None, "Branch '%s' not found" % branch
111 for line in result.stdout.splitlines()[1:]:
112 commit_hash = line.split(' ')[0]
113 name = NameRevision(commit_hash)
114 if '~' not in name and '^' not in name:
115 if name.startswith('remotes/'):
117 return name, "Guessing upstream as '%s'" % name
118 return None, "Cannot find a suitable upstream for branch '%s'" % branch
120 def GetUpstream(git_dir, branch):
121 """Returns the name of the upstream for a branch
124 git_dir: Git directory containing repo
125 branch: Name of branch
129 Name of upstream branch (e.g. 'upstream/master') or None if none
130 Warning/error message, or None if none
133 remote = command.OutputOneLine('git', '--git-dir', git_dir, 'config',
134 'branch.%s.remote' % branch)
135 merge = command.OutputOneLine('git', '--git-dir', git_dir, 'config',
136 'branch.%s.merge' % branch)
138 upstream, msg = GuessUpstream(git_dir, branch)
143 elif remote and merge:
144 leaf = merge.split('/')[-1]
145 return '%s/%s' % (remote, leaf), None
147 raise ValueError("Cannot determine upstream branch for branch "
148 "'%s' remote='%s', merge='%s'" % (branch, remote, merge))
151 def GetRangeInBranch(git_dir, branch, include_upstream=False):
152 """Returns an expression for the commits in the given branch.
155 git_dir: Directory containing git repo
156 branch: Name of branch
158 Expression in the form 'upstream..branch' which can be used to
159 access the commits. If the branch does not exist, returns None.
161 upstream, msg = GetUpstream(git_dir, branch)
164 rstr = '%s%s..%s' % (upstream, '~' if include_upstream else '', branch)
167 def CountCommitsInRange(git_dir, range_expr):
168 """Returns the number of commits in the given range.
171 git_dir: Directory containing git repo
172 range_expr: Range to check
174 Number of patches that exist in the supplied range or None if none
177 pipe = [LogCmd(range_expr, git_dir=git_dir, oneline=True)]
178 result = command.RunPipe(pipe, capture=True, capture_stderr=True,
179 raise_on_error=False)
180 if result.return_code:
181 return None, "Range '%s' not found or is invalid" % range_expr
182 patch_count = len(result.stdout.splitlines())
183 return patch_count, None
185 def CountCommitsInBranch(git_dir, branch, include_upstream=False):
186 """Returns the number of commits in the given branch.
189 git_dir: Directory containing git repo
190 branch: Name of branch
192 Number of patches that exist on top of the branch, or None if the
193 branch does not exist.
195 range_expr, msg = GetRangeInBranch(git_dir, branch, include_upstream)
198 return CountCommitsInRange(git_dir, range_expr)
200 def CountCommits(commit_range):
201 """Returns the number of commits in the given range.
204 commit_range: Range of commits to count (e.g. 'HEAD..base')
206 Number of patches that exist on top of the branch
208 pipe = [LogCmd(commit_range, oneline=True),
210 stdout = command.RunPipe(pipe, capture=True, oneline=True).stdout
211 patch_count = int(stdout)
214 def Checkout(commit_hash, git_dir=None, work_tree=None, force=False):
215 """Checkout the selected commit for this build
218 commit_hash: Commit hash to check out
222 pipe.extend(['--git-dir', git_dir])
224 pipe.extend(['--work-tree', work_tree])
225 pipe.append('checkout')
228 pipe.append(commit_hash)
229 result = command.RunPipe([pipe], capture=True, raise_on_error=False,
231 if result.return_code != 0:
232 raise OSError('git checkout (%s): %s' % (pipe, result.stderr))
234 def Clone(git_dir, output_dir):
235 """Checkout the selected commit for this build
238 commit_hash: Commit hash to check out
240 pipe = ['git', 'clone', git_dir, '.']
241 result = command.RunPipe([pipe], capture=True, cwd=output_dir,
243 if result.return_code != 0:
244 raise OSError('git clone: %s' % result.stderr)
246 def Fetch(git_dir=None, work_tree=None):
247 """Fetch from the origin repo
250 commit_hash: Commit hash to check out
254 pipe.extend(['--git-dir', git_dir])
256 pipe.extend(['--work-tree', work_tree])
258 result = command.RunPipe([pipe], capture=True, capture_stderr=True)
259 if result.return_code != 0:
260 raise OSError('git fetch: %s' % result.stderr)
262 def CreatePatches(branch, start, count, ignore_binary, series):
263 """Create a series of patches from the top of the current branch.
265 The patch files are written to the current directory using
269 branch: Branch to create patches from (None for current branch)
270 start: Commit to start from: 0=HEAD, 1=next one, etc.
271 count: number of commits to include
272 ignore_binary: Don't generate patches for binary files
273 series: Series object for this series (set of patches)
275 Filename of cover letter (None if none)
276 List of filenames of patch files
278 if series.get('version'):
279 version = '%s ' % series['version']
280 cmd = ['git', 'format-patch', '-M', '--signoff']
282 cmd.append('--no-binary')
283 if series.get('cover'):
284 cmd.append('--cover-letter')
285 prefix = series.GetPatchPrefix()
287 cmd += ['--subject-prefix=%s' % prefix]
288 brname = branch or 'HEAD'
289 cmd += ['%s~%d..%s~%d' % (brname, start + count, brname, start)]
291 stdout = command.RunList(cmd)
292 files = stdout.splitlines()
294 # We have an extra file if there is a cover letter
295 if series.get('cover'):
296 return files[0], files[1:]
300 def BuildEmailList(in_list, tag=None, alias=None, raise_on_error=True):
301 """Build a list of email addresses based on an input list.
303 Takes a list of email addresses and aliases, and turns this into a list
304 of only email address, by resolving any aliases that are present.
306 If the tag is given, then each email address is prepended with this
307 tag and a space. If the tag starts with a minus sign (indicating a
308 command line parameter) then the email address is quoted.
311 in_list: List of aliases/email addresses
312 tag: Text to put before each address
313 alias: Alias dictionary
314 raise_on_error: True to raise an error when an alias fails to match,
315 False to just print a message.
318 List of email addresses
321 >>> alias['fred'] = ['f.bloggs@napier.co.nz']
322 >>> alias['john'] = ['j.bloggs@napier.co.nz']
323 >>> alias['mary'] = ['Mary Poppins <m.poppins@cloud.net>']
324 >>> alias['boys'] = ['fred', ' john']
325 >>> alias['all'] = ['fred ', 'john', ' mary ']
326 >>> BuildEmailList(['john', 'mary'], None, alias)
327 ['j.bloggs@napier.co.nz', 'Mary Poppins <m.poppins@cloud.net>']
328 >>> BuildEmailList(['john', 'mary'], '--to', alias)
329 ['--to "j.bloggs@napier.co.nz"', \
330 '--to "Mary Poppins <m.poppins@cloud.net>"']
331 >>> BuildEmailList(['john', 'mary'], 'Cc', alias)
332 ['Cc j.bloggs@napier.co.nz', 'Cc Mary Poppins <m.poppins@cloud.net>']
334 quote = '"' if tag and tag[0] == '-' else ''
337 raw += LookupEmail(item, alias, raise_on_error=raise_on_error)
340 item = tools.FromUnicode(item)
341 if not item in result:
344 return ['%s %s%s%s' % (tag, quote, email, quote) for email in result]
347 def EmailPatches(series, cover_fname, args, dry_run, raise_on_error, cc_fname,
348 self_only=False, alias=None, in_reply_to=None, thread=False,
350 """Email a patch series.
353 series: Series object containing destination info
354 cover_fname: filename of cover letter
355 args: list of filenames of patch files
356 dry_run: Just return the command that would be run
357 raise_on_error: True to raise an error when an alias fails to match,
358 False to just print a message.
359 cc_fname: Filename of Cc file for per-commit Cc
360 self_only: True to just email to yourself as a test
361 in_reply_to: If set we'll pass this to git as --in-reply-to.
362 Should be a message ID that this is in reply to.
363 thread: True to add --thread to git send-email (make
364 all patches reply to cover-letter or first patch in series)
365 smtp_server: SMTP server to use to send patches
368 Git command that was/would be run
370 # For the duration of this doctest pretend that we ran patman with ./patman
371 >>> _old_argv0 = sys.argv[0]
372 >>> sys.argv[0] = './patman'
375 >>> alias['fred'] = ['f.bloggs@napier.co.nz']
376 >>> alias['john'] = ['j.bloggs@napier.co.nz']
377 >>> alias['mary'] = ['m.poppins@cloud.net']
378 >>> alias['boys'] = ['fred', ' john']
379 >>> alias['all'] = ['fred ', 'john', ' mary ']
380 >>> alias[os.getenv('USER')] = ['this-is-me@me.com']
382 >>> series['to'] = ['fred']
383 >>> series['cc'] = ['mary']
384 >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, True, 'cc-fname', \
386 'git send-email --annotate --to "f.bloggs@napier.co.nz" --cc \
387 "m.poppins@cloud.net" --cc-cmd "./patman --cc-cmd cc-fname" cover p1 p2'
388 >>> EmailPatches(series, None, ['p1'], True, True, 'cc-fname', False, \
390 'git send-email --annotate --to "f.bloggs@napier.co.nz" --cc \
391 "m.poppins@cloud.net" --cc-cmd "./patman --cc-cmd cc-fname" p1'
392 >>> series['cc'] = ['all']
393 >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, True, 'cc-fname', \
395 'git send-email --annotate --to "this-is-me@me.com" --cc-cmd "./patman \
396 --cc-cmd cc-fname" cover p1 p2'
397 >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, True, 'cc-fname', \
399 'git send-email --annotate --to "f.bloggs@napier.co.nz" --cc \
400 "f.bloggs@napier.co.nz" --cc "j.bloggs@napier.co.nz" --cc \
401 "m.poppins@cloud.net" --cc-cmd "./patman --cc-cmd cc-fname" cover p1 p2'
403 # Restore argv[0] since we clobbered it.
404 >>> sys.argv[0] = _old_argv0
406 to = BuildEmailList(series.get('to'), '--to', alias, raise_on_error)
408 git_config_to = command.Output('git', 'config', 'sendemail.to',
409 raise_on_error=False)
410 if not git_config_to:
411 print("No recipient.\n"
412 "Please add something like this to a commit\n"
413 "Series-to: Fred Bloggs <f.blogs@napier.co.nz>\n"
414 "Or do something like this\n"
415 "git config sendemail.to u-boot@lists.denx.de")
417 cc = BuildEmailList(list(set(series.get('cc')) - set(series.get('to'))),
418 '--cc', alias, raise_on_error)
420 to = BuildEmailList([os.getenv('USER')], '--to', alias, raise_on_error)
422 cmd = ['git', 'send-email', '--annotate']
424 cmd.append('--smtp-server=%s' % smtp_server)
426 cmd.append('--in-reply-to="%s"' % tools.FromUnicode(in_reply_to))
428 cmd.append('--thread')
432 cmd += ['--cc-cmd', '"%s --cc-cmd %s"' % (sys.argv[0], cc_fname)]
434 cmd.append(cover_fname)
436 cmdstr = ' '.join(cmd)
442 def LookupEmail(lookup_name, alias=None, raise_on_error=True, level=0):
443 """If an email address is an alias, look it up and return the full name
445 TODO: Why not just use git's own alias feature?
448 lookup_name: Alias or email address to look up
449 alias: Dictionary containing aliases (None to use settings default)
450 raise_on_error: True to raise an error when an alias fails to match,
451 False to just print a message.
455 list containing a list of email addresses
458 OSError if a recursive alias reference was found
459 ValueError if an alias was not found
462 >>> alias['fred'] = ['f.bloggs@napier.co.nz']
463 >>> alias['john'] = ['j.bloggs@napier.co.nz']
464 >>> alias['mary'] = ['m.poppins@cloud.net']
465 >>> alias['boys'] = ['fred', ' john', 'f.bloggs@napier.co.nz']
466 >>> alias['all'] = ['fred ', 'john', ' mary ']
467 >>> alias['loop'] = ['other', 'john', ' mary ']
468 >>> alias['other'] = ['loop', 'john', ' mary ']
469 >>> LookupEmail('mary', alias)
470 ['m.poppins@cloud.net']
471 >>> LookupEmail('arthur.wellesley@howe.ro.uk', alias)
472 ['arthur.wellesley@howe.ro.uk']
473 >>> LookupEmail('boys', alias)
474 ['f.bloggs@napier.co.nz', 'j.bloggs@napier.co.nz']
475 >>> LookupEmail('all', alias)
476 ['f.bloggs@napier.co.nz', 'j.bloggs@napier.co.nz', 'm.poppins@cloud.net']
477 >>> LookupEmail('odd', alias)
478 Traceback (most recent call last):
480 ValueError: Alias 'odd' not found
481 >>> LookupEmail('loop', alias)
482 Traceback (most recent call last):
484 OSError: Recursive email alias at 'other'
485 >>> LookupEmail('odd', alias, raise_on_error=False)
486 Alias 'odd' not found
488 >>> # In this case the loop part will effectively be ignored.
489 >>> LookupEmail('loop', alias, raise_on_error=False)
490 Recursive email alias at 'other'
491 Recursive email alias at 'john'
492 Recursive email alias at 'mary'
493 ['j.bloggs@napier.co.nz', 'm.poppins@cloud.net']
496 alias = settings.alias
497 lookup_name = lookup_name.strip()
498 if '@' in lookup_name: # Perhaps a real email address
501 lookup_name = lookup_name.lower()
502 col = terminal.Color()
506 msg = "Recursive email alias at '%s'" % lookup_name
510 print(col.Color(col.RED, msg))
514 if not lookup_name in alias:
515 msg = "Alias '%s' not found" % lookup_name
517 raise ValueError(msg)
519 print(col.Color(col.RED, msg))
521 for item in alias[lookup_name]:
522 todo = LookupEmail(item, alias, raise_on_error, level + 1)
523 for new_item in todo:
524 if not new_item in out_list:
525 out_list.append(new_item)
527 #print("No match for alias '%s'" % lookup_name)
531 """Return name of top-level directory for this git repo.
534 Full path to git top-level directory
536 This test makes sure that we are running tests in the right subdir
538 >>> os.path.realpath(os.path.dirname(__file__)) == \
539 os.path.join(GetTopLevel(), 'tools', 'patman')
542 return command.OutputOneLine('git', 'rev-parse', '--show-toplevel')
545 """Gets the name of the git alias file.
548 Filename of git alias file, or None if none
550 fname = command.OutputOneLine('git', 'config', 'sendemail.aliasesfile',
551 raise_on_error=False)
553 fname = os.path.join(GetTopLevel(), fname.strip())
556 def GetDefaultUserName():
557 """Gets the user.name from .gitconfig file.
560 User name found in .gitconfig file, or None if none
562 uname = command.OutputOneLine('git', 'config', '--global', 'user.name')
565 def GetDefaultUserEmail():
566 """Gets the user.email from the global .gitconfig file.
569 User's email found in .gitconfig file, or None if none
571 uemail = command.OutputOneLine('git', 'config', '--global', 'user.email')
574 def GetDefaultSubjectPrefix():
575 """Gets the format.subjectprefix from local .git/config file.
578 Subject prefix found in local .git/config file, or None if none
580 sub_prefix = command.OutputOneLine('git', 'config', 'format.subjectprefix',
581 raise_on_error=False)
586 """Set up git utils, by reading the alias files."""
587 # Check for a git alias file also
588 global use_no_decorate
590 alias_fname = GetAliasFile()
592 settings.ReadGitAliases(alias_fname)
593 cmd = LogCmd(None, count=0)
594 use_no_decorate = (command.RunPipe([cmd], raise_on_error=False)
598 """Get the hash of the current HEAD
603 return command.OutputOneLine('git', 'show', '-s', '--pretty=format:%H')
605 if __name__ == "__main__":