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)
156 if result.return_code != 0:
157 raise OSError, 'git checkout (%s): %s' % (pipe, result.stderr)
159 def Clone(git_dir, output_dir):
160 """Checkout the selected commit for this build
163 commit_hash: Commit hash to check out
165 pipe = ['git', 'clone', git_dir, '.']
166 result = command.RunPipe([pipe], capture=True, cwd=output_dir)
167 if result.return_code != 0:
168 raise OSError, 'git clone: %s' % result.stderr
170 def Fetch(git_dir=None, work_tree=None):
171 """Fetch from the origin repo
174 commit_hash: Commit hash to check out
178 pipe.extend(['--git-dir', git_dir])
180 pipe.extend(['--work-tree', work_tree])
182 result = command.RunPipe([pipe], capture=True)
183 if result.return_code != 0:
184 raise OSError, 'git fetch: %s' % result.stderr
186 def CreatePatches(start, count, series):
187 """Create a series of patches from the top of the current branch.
189 The patch files are written to the current directory using
193 start: Commit to start from: 0=HEAD, 1=next one, etc.
194 count: number of commits to include
196 Filename of cover letter
197 List of filenames of patch files
199 if series.get('version'):
200 version = '%s ' % series['version']
201 cmd = ['git', 'format-patch', '-M', '--signoff']
202 if series.get('cover'):
203 cmd.append('--cover-letter')
204 prefix = series.GetPatchPrefix()
206 cmd += ['--subject-prefix=%s' % prefix]
207 cmd += ['HEAD~%d..HEAD~%d' % (start + count, start)]
209 stdout = command.RunList(cmd)
210 files = stdout.splitlines()
212 # We have an extra file if there is a cover letter
213 if series.get('cover'):
214 return files[0], files[1:]
218 def BuildEmailList(in_list, tag=None, alias=None, raise_on_error=True):
219 """Build a list of email addresses based on an input list.
221 Takes a list of email addresses and aliases, and turns this into a list
222 of only email address, by resolving any aliases that are present.
224 If the tag is given, then each email address is prepended with this
225 tag and a space. If the tag starts with a minus sign (indicating a
226 command line parameter) then the email address is quoted.
229 in_list: List of aliases/email addresses
230 tag: Text to put before each address
231 alias: Alias dictionary
232 raise_on_error: True to raise an error when an alias fails to match,
233 False to just print a message.
236 List of email addresses
239 >>> alias['fred'] = ['f.bloggs@napier.co.nz']
240 >>> alias['john'] = ['j.bloggs@napier.co.nz']
241 >>> alias['mary'] = ['Mary Poppins <m.poppins@cloud.net>']
242 >>> alias['boys'] = ['fred', ' john']
243 >>> alias['all'] = ['fred ', 'john', ' mary ']
244 >>> BuildEmailList(['john', 'mary'], None, alias)
245 ['j.bloggs@napier.co.nz', 'Mary Poppins <m.poppins@cloud.net>']
246 >>> BuildEmailList(['john', 'mary'], '--to', alias)
247 ['--to "j.bloggs@napier.co.nz"', \
248 '--to "Mary Poppins <m.poppins@cloud.net>"']
249 >>> BuildEmailList(['john', 'mary'], 'Cc', alias)
250 ['Cc j.bloggs@napier.co.nz', 'Cc Mary Poppins <m.poppins@cloud.net>']
252 quote = '"' if tag and tag[0] == '-' else ''
255 raw += LookupEmail(item, alias, raise_on_error=raise_on_error)
258 if not item in result:
261 return ['%s %s%s%s' % (tag, quote, email, quote) for email in result]
264 def EmailPatches(series, cover_fname, args, dry_run, raise_on_error, cc_fname,
265 self_only=False, alias=None, in_reply_to=None):
266 """Email a patch series.
269 series: Series object containing destination info
270 cover_fname: filename of cover letter
271 args: list of filenames of patch files
272 dry_run: Just return the command that would be run
273 raise_on_error: True to raise an error when an alias fails to match,
274 False to just print a message.
275 cc_fname: Filename of Cc file for per-commit Cc
276 self_only: True to just email to yourself as a test
277 in_reply_to: If set we'll pass this to git as --in-reply-to.
278 Should be a message ID that this is in reply to.
281 Git command that was/would be run
283 # For the duration of this doctest pretend that we ran patman with ./patman
284 >>> _old_argv0 = sys.argv[0]
285 >>> sys.argv[0] = './patman'
288 >>> alias['fred'] = ['f.bloggs@napier.co.nz']
289 >>> alias['john'] = ['j.bloggs@napier.co.nz']
290 >>> alias['mary'] = ['m.poppins@cloud.net']
291 >>> alias['boys'] = ['fred', ' john']
292 >>> alias['all'] = ['fred ', 'john', ' mary ']
293 >>> alias[os.getenv('USER')] = ['this-is-me@me.com']
294 >>> series = series.Series()
295 >>> series.to = ['fred']
296 >>> series.cc = ['mary']
297 >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, True, 'cc-fname', \
299 'git send-email --annotate --to "f.bloggs@napier.co.nz" --cc \
300 "m.poppins@cloud.net" --cc-cmd "./patman --cc-cmd cc-fname" cover p1 p2'
301 >>> EmailPatches(series, None, ['p1'], True, True, 'cc-fname', False, \
303 'git send-email --annotate --to "f.bloggs@napier.co.nz" --cc \
304 "m.poppins@cloud.net" --cc-cmd "./patman --cc-cmd cc-fname" p1'
305 >>> series.cc = ['all']
306 >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, True, 'cc-fname', \
308 'git send-email --annotate --to "this-is-me@me.com" --cc-cmd "./patman \
309 --cc-cmd cc-fname" cover p1 p2'
310 >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, True, 'cc-fname', \
312 'git send-email --annotate --to "f.bloggs@napier.co.nz" --cc \
313 "f.bloggs@napier.co.nz" --cc "j.bloggs@napier.co.nz" --cc \
314 "m.poppins@cloud.net" --cc-cmd "./patman --cc-cmd cc-fname" cover p1 p2'
316 # Restore argv[0] since we clobbered it.
317 >>> sys.argv[0] = _old_argv0
319 to = BuildEmailList(series.get('to'), '--to', alias, raise_on_error)
321 git_config_to = command.Output('git', 'config', 'sendemail.to')
322 if not git_config_to:
323 print ("No recipient.\n"
324 "Please add something like this to a commit\n"
325 "Series-to: Fred Bloggs <f.blogs@napier.co.nz>\n"
326 "Or do something like this\n"
327 "git config sendemail.to u-boot@lists.denx.de")
329 cc = BuildEmailList(series.get('cc'), '--cc', alias, raise_on_error)
331 to = BuildEmailList([os.getenv('USER')], '--to', alias, raise_on_error)
333 cmd = ['git', 'send-email', '--annotate']
335 cmd.append('--in-reply-to="%s"' % in_reply_to)
339 cmd += ['--cc-cmd', '"%s --cc-cmd %s"' % (sys.argv[0], cc_fname)]
341 cmd.append(cover_fname)
349 def LookupEmail(lookup_name, alias=None, raise_on_error=True, level=0):
350 """If an email address is an alias, look it up and return the full name
352 TODO: Why not just use git's own alias feature?
355 lookup_name: Alias or email address to look up
356 alias: Dictionary containing aliases (None to use settings default)
357 raise_on_error: True to raise an error when an alias fails to match,
358 False to just print a message.
362 list containing a list of email addresses
365 OSError if a recursive alias reference was found
366 ValueError if an alias was not found
369 >>> alias['fred'] = ['f.bloggs@napier.co.nz']
370 >>> alias['john'] = ['j.bloggs@napier.co.nz']
371 >>> alias['mary'] = ['m.poppins@cloud.net']
372 >>> alias['boys'] = ['fred', ' john', 'f.bloggs@napier.co.nz']
373 >>> alias['all'] = ['fred ', 'john', ' mary ']
374 >>> alias['loop'] = ['other', 'john', ' mary ']
375 >>> alias['other'] = ['loop', 'john', ' mary ']
376 >>> LookupEmail('mary', alias)
377 ['m.poppins@cloud.net']
378 >>> LookupEmail('arthur.wellesley@howe.ro.uk', alias)
379 ['arthur.wellesley@howe.ro.uk']
380 >>> LookupEmail('boys', alias)
381 ['f.bloggs@napier.co.nz', 'j.bloggs@napier.co.nz']
382 >>> LookupEmail('all', alias)
383 ['f.bloggs@napier.co.nz', 'j.bloggs@napier.co.nz', 'm.poppins@cloud.net']
384 >>> LookupEmail('odd', alias)
385 Traceback (most recent call last):
387 ValueError: Alias 'odd' not found
388 >>> LookupEmail('loop', alias)
389 Traceback (most recent call last):
391 OSError: Recursive email alias at 'other'
392 >>> LookupEmail('odd', alias, raise_on_error=False)
393 Alias 'odd' not found
395 >>> # In this case the loop part will effectively be ignored.
396 >>> LookupEmail('loop', alias, raise_on_error=False)
397 Recursive email alias at 'other'
398 Recursive email alias at 'john'
399 Recursive email alias at 'mary'
400 ['j.bloggs@napier.co.nz', 'm.poppins@cloud.net']
403 alias = settings.alias
404 lookup_name = lookup_name.strip()
405 if '@' in lookup_name: # Perhaps a real email address
408 lookup_name = lookup_name.lower()
409 col = terminal.Color()
413 msg = "Recursive email alias at '%s'" % lookup_name
417 print col.Color(col.RED, msg)
421 if not lookup_name in alias:
422 msg = "Alias '%s' not found" % lookup_name
424 raise ValueError, msg
426 print col.Color(col.RED, msg)
428 for item in alias[lookup_name]:
429 todo = LookupEmail(item, alias, raise_on_error, level + 1)
430 for new_item in todo:
431 if not new_item in out_list:
432 out_list.append(new_item)
434 #print "No match for alias '%s'" % lookup_name
438 """Return name of top-level directory for this git repo.
441 Full path to git top-level directory
443 This test makes sure that we are running tests in the right subdir
445 >>> os.path.realpath(os.path.dirname(__file__)) == \
446 os.path.join(GetTopLevel(), 'tools', 'patman')
449 return command.OutputOneLine('git', 'rev-parse', '--show-toplevel')
452 """Gets the name of the git alias file.
455 Filename of git alias file, or None if none
457 fname = command.OutputOneLine('git', 'config', 'sendemail.aliasesfile',
458 raise_on_error=False)
460 fname = os.path.join(GetTopLevel(), fname.strip())
463 def GetDefaultUserName():
464 """Gets the user.name from .gitconfig file.
467 User name found in .gitconfig file, or None if none
469 uname = command.OutputOneLine('git', 'config', '--global', 'user.name')
472 def GetDefaultUserEmail():
473 """Gets the user.email from the global .gitconfig file.
476 User's email found in .gitconfig file, or None if none
478 uemail = command.OutputOneLine('git', 'config', '--global', 'user.email')
482 """Set up git utils, by reading the alias files."""
483 # Check for a git alias file also
484 global use_no_decorate
486 alias_fname = GetAliasFile()
488 settings.ReadGitAliases(alias_fname)
489 cmd = LogCmd(None, count=0)
490 use_no_decorate = (command.RunPipe([cmd], raise_on_error=False)
494 """Get the hash of the current HEAD
499 return command.OutputOneLine('git', 'show', '-s', '--pretty=format:%H')
501 if __name__ == "__main__":