1 # Copyright (c) 2011 The Chromium OS Authors.
3 # SPDX-License-Identifier: GPL-2.0+
17 # True to use --no-decorate - we check this in Setup()
18 use_no_decorate = True
20 def LogCmd(commit_range, git_dir=None, oneline=False, reverse=False,
22 """Create a command to perform a 'git log'
25 commit_range: Range expression to use for log, None for none
26 git_dir: Path to git repositiory (None to use default)
27 oneline: True to use --oneline, else False
28 reverse: True to reverse the log (--reverse)
29 count: Number of commits to list, or None for no limit
31 List containing command and arguments to run
35 cmd += ['--git-dir', git_dir]
36 cmd += ['--no-pager', 'log', '--no-color']
38 cmd.append('--oneline')
40 cmd.append('--no-decorate')
42 cmd.append('--reverse')
44 cmd.append('-n%d' % count)
46 cmd.append(commit_range)
49 def CountCommitsToBranch():
50 """Returns number of commits between HEAD and the tracking branch.
52 This looks back to the tracking branch and works out the number of commits
56 Number of patches that exist on top of the branch
58 pipe = [LogCmd('@{upstream}..', oneline=True),
60 stdout = command.RunPipe(pipe, capture=True, oneline=True).stdout
61 patch_count = int(stdout)
64 def GetUpstream(git_dir, branch):
65 """Returns the name of the upstream for a branch
68 git_dir: Git directory containing repo
69 branch: Name of branch
72 Name of upstream branch (e.g. 'upstream/master') or None if none
75 remote = command.OutputOneLine('git', '--git-dir', git_dir, 'config',
76 'branch.%s.remote' % branch)
77 merge = command.OutputOneLine('git', '--git-dir', git_dir, 'config',
78 'branch.%s.merge' % branch)
84 elif remote and merge:
85 leaf = merge.split('/')[-1]
86 return '%s/%s' % (remote, leaf)
88 raise ValueError, ("Cannot determine upstream branch for branch "
89 "'%s' remote='%s', merge='%s'" % (branch, remote, merge))
92 def GetRangeInBranch(git_dir, branch, include_upstream=False):
93 """Returns an expression for the commits in the given branch.
96 git_dir: Directory containing git repo
97 branch: Name of branch
99 Expression in the form 'upstream..branch' which can be used to
100 access the commits. If the branch does not exist, returns None.
102 upstream = GetUpstream(git_dir, branch)
105 return '%s%s..%s' % (upstream, '~' if include_upstream else '', branch)
107 def CountCommitsInBranch(git_dir, branch, include_upstream=False):
108 """Returns the number of commits in the given branch.
111 git_dir: Directory containing git repo
112 branch: Name of branch
114 Number of patches that exist on top of the branch, or None if the
115 branch does not exist.
117 range_expr = GetRangeInBranch(git_dir, branch, include_upstream)
120 pipe = [LogCmd(range_expr, git_dir=git_dir, oneline=True),
122 result = command.RunPipe(pipe, capture=True, oneline=True)
123 patch_count = int(result.stdout)
126 def CountCommits(commit_range):
127 """Returns the number of commits in the given range.
130 commit_range: Range of commits to count (e.g. 'HEAD..base')
132 Number of patches that exist on top of the branch
134 pipe = [LogCmd(commit_range, oneline=True),
136 stdout = command.RunPipe(pipe, capture=True, oneline=True).stdout
137 patch_count = int(stdout)
140 def Checkout(commit_hash, git_dir=None, work_tree=None, force=False):
141 """Checkout the selected commit for this build
144 commit_hash: Commit hash to check out
148 pipe.extend(['--git-dir', git_dir])
150 pipe.extend(['--work-tree', work_tree])
151 pipe.append('checkout')
154 pipe.append(commit_hash)
155 result = command.RunPipe([pipe], capture=True, raise_on_error=False,
157 if result.return_code != 0:
158 raise OSError, 'git checkout (%s): %s' % (pipe, result.stderr)
160 def Clone(git_dir, output_dir):
161 """Checkout the selected commit for this build
164 commit_hash: Commit hash to check out
166 pipe = ['git', 'clone', git_dir, '.']
167 result = command.RunPipe([pipe], capture=True, cwd=output_dir,
169 if result.return_code != 0:
170 raise OSError, 'git clone: %s' % result.stderr
172 def Fetch(git_dir=None, work_tree=None):
173 """Fetch from the origin repo
176 commit_hash: Commit hash to check out
180 pipe.extend(['--git-dir', git_dir])
182 pipe.extend(['--work-tree', work_tree])
184 result = command.RunPipe([pipe], capture=True, capture_stderr=True)
185 if result.return_code != 0:
186 raise OSError, 'git fetch: %s' % result.stderr
188 def CreatePatches(start, count, series):
189 """Create a series of patches from the top of the current branch.
191 The patch files are written to the current directory using
195 start: Commit to start from: 0=HEAD, 1=next one, etc.
196 count: number of commits to include
198 Filename of cover letter
199 List of filenames of patch files
201 if series.get('version'):
202 version = '%s ' % series['version']
203 cmd = ['git', 'format-patch', '-M', '--signoff']
204 if series.get('cover'):
205 cmd.append('--cover-letter')
206 prefix = series.GetPatchPrefix()
208 cmd += ['--subject-prefix=%s' % prefix]
209 cmd += ['HEAD~%d..HEAD~%d' % (start + count, start)]
211 stdout = command.RunList(cmd)
212 files = stdout.splitlines()
214 # We have an extra file if there is a cover letter
215 if series.get('cover'):
216 return files[0], files[1:]
220 def BuildEmailList(in_list, tag=None, alias=None, raise_on_error=True):
221 """Build a list of email addresses based on an input list.
223 Takes a list of email addresses and aliases, and turns this into a list
224 of only email address, by resolving any aliases that are present.
226 If the tag is given, then each email address is prepended with this
227 tag and a space. If the tag starts with a minus sign (indicating a
228 command line parameter) then the email address is quoted.
231 in_list: List of aliases/email addresses
232 tag: Text to put before each address
233 alias: Alias dictionary
234 raise_on_error: True to raise an error when an alias fails to match,
235 False to just print a message.
238 List of email addresses
241 >>> alias['fred'] = ['f.bloggs@napier.co.nz']
242 >>> alias['john'] = ['j.bloggs@napier.co.nz']
243 >>> alias['mary'] = ['Mary Poppins <m.poppins@cloud.net>']
244 >>> alias['boys'] = ['fred', ' john']
245 >>> alias['all'] = ['fred ', 'john', ' mary ']
246 >>> BuildEmailList(['john', 'mary'], None, alias)
247 ['j.bloggs@napier.co.nz', 'Mary Poppins <m.poppins@cloud.net>']
248 >>> BuildEmailList(['john', 'mary'], '--to', alias)
249 ['--to "j.bloggs@napier.co.nz"', \
250 '--to "Mary Poppins <m.poppins@cloud.net>"']
251 >>> BuildEmailList(['john', 'mary'], 'Cc', alias)
252 ['Cc j.bloggs@napier.co.nz', 'Cc Mary Poppins <m.poppins@cloud.net>']
254 quote = '"' if tag and tag[0] == '-' else ''
257 raw += LookupEmail(item, alias, raise_on_error=raise_on_error)
260 if not item in result:
263 return ['%s %s%s%s' % (tag, quote, email, quote) for email in result]
266 def EmailPatches(series, cover_fname, args, dry_run, raise_on_error, cc_fname,
267 self_only=False, alias=None, in_reply_to=None):
268 """Email a patch series.
271 series: Series object containing destination info
272 cover_fname: filename of cover letter
273 args: list of filenames of patch files
274 dry_run: Just return the command that would be run
275 raise_on_error: True to raise an error when an alias fails to match,
276 False to just print a message.
277 cc_fname: Filename of Cc file for per-commit Cc
278 self_only: True to just email to yourself as a test
279 in_reply_to: If set we'll pass this to git as --in-reply-to.
280 Should be a message ID that this is in reply to.
283 Git command that was/would be run
285 # For the duration of this doctest pretend that we ran patman with ./patman
286 >>> _old_argv0 = sys.argv[0]
287 >>> sys.argv[0] = './patman'
290 >>> alias['fred'] = ['f.bloggs@napier.co.nz']
291 >>> alias['john'] = ['j.bloggs@napier.co.nz']
292 >>> alias['mary'] = ['m.poppins@cloud.net']
293 >>> alias['boys'] = ['fred', ' john']
294 >>> alias['all'] = ['fred ', 'john', ' mary ']
295 >>> alias[os.getenv('USER')] = ['this-is-me@me.com']
296 >>> series = series.Series()
297 >>> series.to = ['fred']
298 >>> series.cc = ['mary']
299 >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, True, 'cc-fname', \
301 'git send-email --annotate --to "f.bloggs@napier.co.nz" --cc \
302 "m.poppins@cloud.net" --cc-cmd "./patman --cc-cmd cc-fname" cover p1 p2'
303 >>> EmailPatches(series, None, ['p1'], True, True, 'cc-fname', False, \
305 'git send-email --annotate --to "f.bloggs@napier.co.nz" --cc \
306 "m.poppins@cloud.net" --cc-cmd "./patman --cc-cmd cc-fname" p1'
307 >>> series.cc = ['all']
308 >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, True, 'cc-fname', \
310 'git send-email --annotate --to "this-is-me@me.com" --cc-cmd "./patman \
311 --cc-cmd cc-fname" cover p1 p2'
312 >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, True, 'cc-fname', \
314 'git send-email --annotate --to "f.bloggs@napier.co.nz" --cc \
315 "f.bloggs@napier.co.nz" --cc "j.bloggs@napier.co.nz" --cc \
316 "m.poppins@cloud.net" --cc-cmd "./patman --cc-cmd cc-fname" cover p1 p2'
318 # Restore argv[0] since we clobbered it.
319 >>> sys.argv[0] = _old_argv0
321 to = BuildEmailList(series.get('to'), '--to', alias, raise_on_error)
323 git_config_to = command.Output('git', 'config', 'sendemail.to')
324 if not git_config_to:
325 print ("No recipient.\n"
326 "Please add something like this to a commit\n"
327 "Series-to: Fred Bloggs <f.blogs@napier.co.nz>\n"
328 "Or do something like this\n"
329 "git config sendemail.to u-boot@lists.denx.de")
331 cc = BuildEmailList(series.get('cc'), '--cc', alias, raise_on_error)
333 to = BuildEmailList([os.getenv('USER')], '--to', alias, raise_on_error)
335 cmd = ['git', 'send-email', '--annotate']
337 cmd.append('--in-reply-to="%s"' % in_reply_to)
341 cmd += ['--cc-cmd', '"%s --cc-cmd %s"' % (sys.argv[0], cc_fname)]
343 cmd.append(cover_fname)
351 def LookupEmail(lookup_name, alias=None, raise_on_error=True, level=0):
352 """If an email address is an alias, look it up and return the full name
354 TODO: Why not just use git's own alias feature?
357 lookup_name: Alias or email address to look up
358 alias: Dictionary containing aliases (None to use settings default)
359 raise_on_error: True to raise an error when an alias fails to match,
360 False to just print a message.
364 list containing a list of email addresses
367 OSError if a recursive alias reference was found
368 ValueError if an alias was not found
371 >>> alias['fred'] = ['f.bloggs@napier.co.nz']
372 >>> alias['john'] = ['j.bloggs@napier.co.nz']
373 >>> alias['mary'] = ['m.poppins@cloud.net']
374 >>> alias['boys'] = ['fred', ' john', 'f.bloggs@napier.co.nz']
375 >>> alias['all'] = ['fred ', 'john', ' mary ']
376 >>> alias['loop'] = ['other', 'john', ' mary ']
377 >>> alias['other'] = ['loop', 'john', ' mary ']
378 >>> LookupEmail('mary', alias)
379 ['m.poppins@cloud.net']
380 >>> LookupEmail('arthur.wellesley@howe.ro.uk', alias)
381 ['arthur.wellesley@howe.ro.uk']
382 >>> LookupEmail('boys', alias)
383 ['f.bloggs@napier.co.nz', 'j.bloggs@napier.co.nz']
384 >>> LookupEmail('all', alias)
385 ['f.bloggs@napier.co.nz', 'j.bloggs@napier.co.nz', 'm.poppins@cloud.net']
386 >>> LookupEmail('odd', alias)
387 Traceback (most recent call last):
389 ValueError: Alias 'odd' not found
390 >>> LookupEmail('loop', alias)
391 Traceback (most recent call last):
393 OSError: Recursive email alias at 'other'
394 >>> LookupEmail('odd', alias, raise_on_error=False)
395 Alias 'odd' not found
397 >>> # In this case the loop part will effectively be ignored.
398 >>> LookupEmail('loop', alias, raise_on_error=False)
399 Recursive email alias at 'other'
400 Recursive email alias at 'john'
401 Recursive email alias at 'mary'
402 ['j.bloggs@napier.co.nz', 'm.poppins@cloud.net']
405 alias = settings.alias
406 lookup_name = lookup_name.strip()
407 if '@' in lookup_name: # Perhaps a real email address
410 lookup_name = lookup_name.lower()
411 col = terminal.Color()
415 msg = "Recursive email alias at '%s'" % lookup_name
419 print col.Color(col.RED, msg)
423 if not lookup_name in alias:
424 msg = "Alias '%s' not found" % lookup_name
426 raise ValueError, msg
428 print col.Color(col.RED, msg)
430 for item in alias[lookup_name]:
431 todo = LookupEmail(item, alias, raise_on_error, level + 1)
432 for new_item in todo:
433 if not new_item in out_list:
434 out_list.append(new_item)
436 #print "No match for alias '%s'" % lookup_name
440 """Return name of top-level directory for this git repo.
443 Full path to git top-level directory
445 This test makes sure that we are running tests in the right subdir
447 >>> os.path.realpath(os.path.dirname(__file__)) == \
448 os.path.join(GetTopLevel(), 'tools', 'patman')
451 return command.OutputOneLine('git', 'rev-parse', '--show-toplevel')
454 """Gets the name of the git alias file.
457 Filename of git alias file, or None if none
459 fname = command.OutputOneLine('git', 'config', 'sendemail.aliasesfile',
460 raise_on_error=False)
462 fname = os.path.join(GetTopLevel(), fname.strip())
465 def GetDefaultUserName():
466 """Gets the user.name from .gitconfig file.
469 User name found in .gitconfig file, or None if none
471 uname = command.OutputOneLine('git', 'config', '--global', 'user.name')
474 def GetDefaultUserEmail():
475 """Gets the user.email from the global .gitconfig file.
478 User's email found in .gitconfig file, or None if none
480 uemail = command.OutputOneLine('git', 'config', '--global', 'user.email')
484 """Set up git utils, by reading the alias files."""
485 # Check for a git alias file also
486 global use_no_decorate
488 alias_fname = GetAliasFile()
490 settings.ReadGitAliases(alias_fname)
491 cmd = LogCmd(None, count=0)
492 use_no_decorate = (command.RunPipe([cmd], raise_on_error=False)
496 """Get the hash of the current HEAD
501 return command.OutputOneLine('git', 'show', '-s', '--pretty=format:%H')
503 if __name__ == "__main__":