| # Copyright (c) 2011 The Chromium OS Authors. |
| # |
| # SPDX-License-Identifier: GPL-2.0+ |
| # |
| |
| import command |
| import re |
| import os |
| import series |
| import subprocess |
| import sys |
| import terminal |
| |
| import settings |
| |
| |
| def CountCommitsToBranch(): |
| """Returns number of commits between HEAD and the tracking branch. |
| |
| This looks back to the tracking branch and works out the number of commits |
| since then. |
| |
| Return: |
| Number of patches that exist on top of the branch |
| """ |
| pipe = [['git', 'log', '--no-color', '--oneline', '--no-decorate', |
| '@{upstream}..'], |
| ['wc', '-l']] |
| stdout = command.RunPipe(pipe, capture=True, oneline=True).stdout |
| patch_count = int(stdout) |
| return patch_count |
| |
| def GetUpstream(git_dir, branch): |
| """Returns the name of the upstream for a branch |
| |
| Args: |
| git_dir: Git directory containing repo |
| branch: Name of branch |
| |
| Returns: |
| Name of upstream branch (e.g. 'upstream/master') or None if none |
| """ |
| try: |
| remote = command.OutputOneLine('git', '--git-dir', git_dir, 'config', |
| 'branch.%s.remote' % branch) |
| merge = command.OutputOneLine('git', '--git-dir', git_dir, 'config', |
| 'branch.%s.merge' % branch) |
| except: |
| return None |
| |
| if remote == '.': |
| return merge |
| elif remote and merge: |
| leaf = merge.split('/')[-1] |
| return '%s/%s' % (remote, leaf) |
| else: |
| raise ValueError, ("Cannot determine upstream branch for branch " |
| "'%s' remote='%s', merge='%s'" % (branch, remote, merge)) |
| |
| |
| def GetRangeInBranch(git_dir, branch, include_upstream=False): |
| """Returns an expression for the commits in the given branch. |
| |
| Args: |
| git_dir: Directory containing git repo |
| branch: Name of branch |
| Return: |
| Expression in the form 'upstream..branch' which can be used to |
| access the commits. If the branch does not exist, returns None. |
| """ |
| upstream = GetUpstream(git_dir, branch) |
| if not upstream: |
| return None |
| return '%s%s..%s' % (upstream, '~' if include_upstream else '', branch) |
| |
| def CountCommitsInBranch(git_dir, branch, include_upstream=False): |
| """Returns the number of commits in the given branch. |
| |
| Args: |
| git_dir: Directory containing git repo |
| branch: Name of branch |
| Return: |
| Number of patches that exist on top of the branch, or None if the |
| branch does not exist. |
| """ |
| range_expr = GetRangeInBranch(git_dir, branch, include_upstream) |
| if not range_expr: |
| return None |
| pipe = [['git', '--git-dir', git_dir, 'log', '--oneline', '--no-decorate', |
| range_expr], |
| ['wc', '-l']] |
| result = command.RunPipe(pipe, capture=True, oneline=True) |
| patch_count = int(result.stdout) |
| return patch_count |
| |
| def CountCommits(commit_range): |
| """Returns the number of commits in the given range. |
| |
| Args: |
| commit_range: Range of commits to count (e.g. 'HEAD..base') |
| Return: |
| Number of patches that exist on top of the branch |
| """ |
| pipe = [['git', 'log', '--oneline', '--no-decorate', commit_range], |
| ['wc', '-l']] |
| stdout = command.RunPipe(pipe, capture=True, oneline=True).stdout |
| patch_count = int(stdout) |
| return patch_count |
| |
| def Checkout(commit_hash, git_dir=None, work_tree=None, force=False): |
| """Checkout the selected commit for this build |
| |
| Args: |
| commit_hash: Commit hash to check out |
| """ |
| pipe = ['git'] |
| if git_dir: |
| pipe.extend(['--git-dir', git_dir]) |
| if work_tree: |
| pipe.extend(['--work-tree', work_tree]) |
| pipe.append('checkout') |
| if force: |
| pipe.append('-f') |
| pipe.append(commit_hash) |
| result = command.RunPipe([pipe], capture=True, raise_on_error=False) |
| if result.return_code != 0: |
| raise OSError, 'git checkout (%s): %s' % (pipe, result.stderr) |
| |
| def Clone(git_dir, output_dir): |
| """Checkout the selected commit for this build |
| |
| Args: |
| commit_hash: Commit hash to check out |
| """ |
| pipe = ['git', 'clone', git_dir, '.'] |
| result = command.RunPipe([pipe], capture=True, cwd=output_dir) |
| if result.return_code != 0: |
| raise OSError, 'git clone: %s' % result.stderr |
| |
| def Fetch(git_dir=None, work_tree=None): |
| """Fetch from the origin repo |
| |
| Args: |
| commit_hash: Commit hash to check out |
| """ |
| pipe = ['git'] |
| if git_dir: |
| pipe.extend(['--git-dir', git_dir]) |
| if work_tree: |
| pipe.extend(['--work-tree', work_tree]) |
| pipe.append('fetch') |
| result = command.RunPipe([pipe], capture=True) |
| if result.return_code != 0: |
| raise OSError, 'git fetch: %s' % result.stderr |
| |
| def CreatePatches(start, count, series): |
| """Create a series of patches from the top of the current branch. |
| |
| The patch files are written to the current directory using |
| git format-patch. |
| |
| Args: |
| start: Commit to start from: 0=HEAD, 1=next one, etc. |
| count: number of commits to include |
| Return: |
| Filename of cover letter |
| List of filenames of patch files |
| """ |
| if series.get('version'): |
| version = '%s ' % series['version'] |
| cmd = ['git', 'format-patch', '-M', '--signoff'] |
| if series.get('cover'): |
| cmd.append('--cover-letter') |
| prefix = series.GetPatchPrefix() |
| if prefix: |
| cmd += ['--subject-prefix=%s' % prefix] |
| cmd += ['HEAD~%d..HEAD~%d' % (start + count, start)] |
| |
| stdout = command.RunList(cmd) |
| files = stdout.splitlines() |
| |
| # We have an extra file if there is a cover letter |
| if series.get('cover'): |
| return files[0], files[1:] |
| else: |
| return None, files |
| |
| def ApplyPatch(verbose, fname): |
| """Apply a patch with git am to test it |
| |
| TODO: Convert these to use command, with stderr option |
| |
| Args: |
| fname: filename of patch file to apply |
| """ |
| cmd = ['git', 'am', fname] |
| pipe = subprocess.Popen(cmd, stdout=subprocess.PIPE, |
| stderr=subprocess.PIPE) |
| stdout, stderr = pipe.communicate() |
| re_error = re.compile('^error: patch failed: (.+):(\d+)') |
| for line in stderr.splitlines(): |
| if verbose: |
| print line |
| match = re_error.match(line) |
| if match: |
| print GetWarningMsg('warning', match.group(1), int(match.group(2)), |
| 'Patch failed') |
| return pipe.returncode == 0, stdout |
| |
| def ApplyPatches(verbose, args, start_point): |
| """Apply the patches with git am to make sure all is well |
| |
| Args: |
| verbose: Print out 'git am' output verbatim |
| args: List of patch files to apply |
| start_point: Number of commits back from HEAD to start applying. |
| Normally this is len(args), but it can be larger if a start |
| offset was given. |
| """ |
| error_count = 0 |
| col = terminal.Color() |
| |
| # Figure out our current position |
| cmd = ['git', 'name-rev', 'HEAD', '--name-only'] |
| pipe = subprocess.Popen(cmd, stdout=subprocess.PIPE) |
| stdout, stderr = pipe.communicate() |
| if pipe.returncode: |
| str = 'Could not find current commit name' |
| print col.Color(col.RED, str) |
| print stdout |
| return False |
| old_head = stdout.splitlines()[0] |
| |
| # Checkout the required start point |
| cmd = ['git', 'checkout', 'HEAD~%d' % start_point] |
| pipe = subprocess.Popen(cmd, stdout=subprocess.PIPE, |
| stderr=subprocess.PIPE) |
| stdout, stderr = pipe.communicate() |
| if pipe.returncode: |
| str = 'Could not move to commit before patch series' |
| print col.Color(col.RED, str) |
| print stdout, stderr |
| return False |
| |
| # Apply all the patches |
| for fname in args: |
| ok, stdout = ApplyPatch(verbose, fname) |
| if not ok: |
| print col.Color(col.RED, 'git am returned errors for %s: will ' |
| 'skip this patch' % fname) |
| if verbose: |
| print stdout |
| error_count += 1 |
| cmd = ['git', 'am', '--skip'] |
| pipe = subprocess.Popen(cmd, stdout=subprocess.PIPE) |
| stdout, stderr = pipe.communicate() |
| if pipe.returncode != 0: |
| print col.Color(col.RED, 'Unable to skip patch! Aborting...') |
| print stdout |
| break |
| |
| # Return to our previous position |
| cmd = ['git', 'checkout', old_head] |
| pipe = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
| stdout, stderr = pipe.communicate() |
| if pipe.returncode: |
| print col.Color(col.RED, 'Could not move back to head commit') |
| print stdout, stderr |
| return error_count == 0 |
| |
| def BuildEmailList(in_list, tag=None, alias=None, raise_on_error=True): |
| """Build a list of email addresses based on an input list. |
| |
| Takes a list of email addresses and aliases, and turns this into a list |
| of only email address, by resolving any aliases that are present. |
| |
| If the tag is given, then each email address is prepended with this |
| tag and a space. If the tag starts with a minus sign (indicating a |
| command line parameter) then the email address is quoted. |
| |
| Args: |
| in_list: List of aliases/email addresses |
| tag: Text to put before each address |
| alias: Alias dictionary |
| raise_on_error: True to raise an error when an alias fails to match, |
| False to just print a message. |
| |
| Returns: |
| List of email addresses |
| |
| >>> alias = {} |
| >>> alias['fred'] = ['f.bloggs@napier.co.nz'] |
| >>> alias['john'] = ['j.bloggs@napier.co.nz'] |
| >>> alias['mary'] = ['Mary Poppins <m.poppins@cloud.net>'] |
| >>> alias['boys'] = ['fred', ' john'] |
| >>> alias['all'] = ['fred ', 'john', ' mary '] |
| >>> BuildEmailList(['john', 'mary'], None, alias) |
| ['j.bloggs@napier.co.nz', 'Mary Poppins <m.poppins@cloud.net>'] |
| >>> BuildEmailList(['john', 'mary'], '--to', alias) |
| ['--to "j.bloggs@napier.co.nz"', \ |
| '--to "Mary Poppins <m.poppins@cloud.net>"'] |
| >>> BuildEmailList(['john', 'mary'], 'Cc', alias) |
| ['Cc j.bloggs@napier.co.nz', 'Cc Mary Poppins <m.poppins@cloud.net>'] |
| """ |
| quote = '"' if tag and tag[0] == '-' else '' |
| raw = [] |
| for item in in_list: |
| raw += LookupEmail(item, alias, raise_on_error=raise_on_error) |
| result = [] |
| for item in raw: |
| if not item in result: |
| result.append(item) |
| if tag: |
| return ['%s %s%s%s' % (tag, quote, email, quote) for email in result] |
| return result |
| |
| def EmailPatches(series, cover_fname, args, dry_run, raise_on_error, cc_fname, |
| self_only=False, alias=None, in_reply_to=None): |
| """Email a patch series. |
| |
| Args: |
| series: Series object containing destination info |
| cover_fname: filename of cover letter |
| args: list of filenames of patch files |
| dry_run: Just return the command that would be run |
| raise_on_error: True to raise an error when an alias fails to match, |
| False to just print a message. |
| cc_fname: Filename of Cc file for per-commit Cc |
| self_only: True to just email to yourself as a test |
| in_reply_to: If set we'll pass this to git as --in-reply-to. |
| Should be a message ID that this is in reply to. |
| |
| Returns: |
| Git command that was/would be run |
| |
| # For the duration of this doctest pretend that we ran patman with ./patman |
| >>> _old_argv0 = sys.argv[0] |
| >>> sys.argv[0] = './patman' |
| |
| >>> alias = {} |
| >>> alias['fred'] = ['f.bloggs@napier.co.nz'] |
| >>> alias['john'] = ['j.bloggs@napier.co.nz'] |
| >>> alias['mary'] = ['m.poppins@cloud.net'] |
| >>> alias['boys'] = ['fred', ' john'] |
| >>> alias['all'] = ['fred ', 'john', ' mary '] |
| >>> alias[os.getenv('USER')] = ['this-is-me@me.com'] |
| >>> series = series.Series() |
| >>> series.to = ['fred'] |
| >>> series.cc = ['mary'] |
| >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, True, 'cc-fname', \ |
| False, alias) |
| 'git send-email --annotate --to "f.bloggs@napier.co.nz" --cc \ |
| "m.poppins@cloud.net" --cc-cmd "./patman --cc-cmd cc-fname" cover p1 p2' |
| >>> EmailPatches(series, None, ['p1'], True, True, 'cc-fname', False, \ |
| alias) |
| 'git send-email --annotate --to "f.bloggs@napier.co.nz" --cc \ |
| "m.poppins@cloud.net" --cc-cmd "./patman --cc-cmd cc-fname" p1' |
| >>> series.cc = ['all'] |
| >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, True, 'cc-fname', \ |
| True, alias) |
| 'git send-email --annotate --to "this-is-me@me.com" --cc-cmd "./patman \ |
| --cc-cmd cc-fname" cover p1 p2' |
| >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, True, 'cc-fname', \ |
| False, alias) |
| 'git send-email --annotate --to "f.bloggs@napier.co.nz" --cc \ |
| "f.bloggs@napier.co.nz" --cc "j.bloggs@napier.co.nz" --cc \ |
| "m.poppins@cloud.net" --cc-cmd "./patman --cc-cmd cc-fname" cover p1 p2' |
| |
| # Restore argv[0] since we clobbered it. |
| >>> sys.argv[0] = _old_argv0 |
| """ |
| to = BuildEmailList(series.get('to'), '--to', alias, raise_on_error) |
| if not to: |
| print ("No recipient, please add something like this to a commit\n" |
| "Series-to: Fred Bloggs <f.blogs@napier.co.nz>") |
| return |
| cc = BuildEmailList(series.get('cc'), '--cc', alias, raise_on_error) |
| if self_only: |
| to = BuildEmailList([os.getenv('USER')], '--to', alias, raise_on_error) |
| cc = [] |
| cmd = ['git', 'send-email', '--annotate'] |
| if in_reply_to: |
| cmd.append('--in-reply-to="%s"' % in_reply_to) |
| |
| cmd += to |
| cmd += cc |
| cmd += ['--cc-cmd', '"%s --cc-cmd %s"' % (sys.argv[0], cc_fname)] |
| if cover_fname: |
| cmd.append(cover_fname) |
| cmd += args |
| str = ' '.join(cmd) |
| if not dry_run: |
| os.system(str) |
| return str |
| |
| |
| def LookupEmail(lookup_name, alias=None, raise_on_error=True, level=0): |
| """If an email address is an alias, look it up and return the full name |
| |
| TODO: Why not just use git's own alias feature? |
| |
| Args: |
| lookup_name: Alias or email address to look up |
| alias: Dictionary containing aliases (None to use settings default) |
| raise_on_error: True to raise an error when an alias fails to match, |
| False to just print a message. |
| |
| Returns: |
| tuple: |
| list containing a list of email addresses |
| |
| Raises: |
| OSError if a recursive alias reference was found |
| ValueError if an alias was not found |
| |
| >>> alias = {} |
| >>> alias['fred'] = ['f.bloggs@napier.co.nz'] |
| >>> alias['john'] = ['j.bloggs@napier.co.nz'] |
| >>> alias['mary'] = ['m.poppins@cloud.net'] |
| >>> alias['boys'] = ['fred', ' john', 'f.bloggs@napier.co.nz'] |
| >>> alias['all'] = ['fred ', 'john', ' mary '] |
| >>> alias['loop'] = ['other', 'john', ' mary '] |
| >>> alias['other'] = ['loop', 'john', ' mary '] |
| >>> LookupEmail('mary', alias) |
| ['m.poppins@cloud.net'] |
| >>> LookupEmail('arthur.wellesley@howe.ro.uk', alias) |
| ['arthur.wellesley@howe.ro.uk'] |
| >>> LookupEmail('boys', alias) |
| ['f.bloggs@napier.co.nz', 'j.bloggs@napier.co.nz'] |
| >>> LookupEmail('all', alias) |
| ['f.bloggs@napier.co.nz', 'j.bloggs@napier.co.nz', 'm.poppins@cloud.net'] |
| >>> LookupEmail('odd', alias) |
| Traceback (most recent call last): |
| ... |
| ValueError: Alias 'odd' not found |
| >>> LookupEmail('loop', alias) |
| Traceback (most recent call last): |
| ... |
| OSError: Recursive email alias at 'other' |
| >>> LookupEmail('odd', alias, raise_on_error=False) |
| \033[1;31mAlias 'odd' not found\033[0m |
| [] |
| >>> # In this case the loop part will effectively be ignored. |
| >>> LookupEmail('loop', alias, raise_on_error=False) |
| \033[1;31mRecursive email alias at 'other'\033[0m |
| \033[1;31mRecursive email alias at 'john'\033[0m |
| \033[1;31mRecursive email alias at 'mary'\033[0m |
| ['j.bloggs@napier.co.nz', 'm.poppins@cloud.net'] |
| """ |
| if not alias: |
| alias = settings.alias |
| lookup_name = lookup_name.strip() |
| if '@' in lookup_name: # Perhaps a real email address |
| return [lookup_name] |
| |
| lookup_name = lookup_name.lower() |
| col = terminal.Color() |
| |
| out_list = [] |
| if level > 10: |
| msg = "Recursive email alias at '%s'" % lookup_name |
| if raise_on_error: |
| raise OSError, msg |
| else: |
| print col.Color(col.RED, msg) |
| return out_list |
| |
| if lookup_name: |
| if not lookup_name in alias: |
| msg = "Alias '%s' not found" % lookup_name |
| if raise_on_error: |
| raise ValueError, msg |
| else: |
| print col.Color(col.RED, msg) |
| return out_list |
| for item in alias[lookup_name]: |
| todo = LookupEmail(item, alias, raise_on_error, level + 1) |
| for new_item in todo: |
| if not new_item in out_list: |
| out_list.append(new_item) |
| |
| #print "No match for alias '%s'" % lookup_name |
| return out_list |
| |
| def GetTopLevel(): |
| """Return name of top-level directory for this git repo. |
| |
| Returns: |
| Full path to git top-level directory |
| |
| This test makes sure that we are running tests in the right subdir |
| |
| >>> os.path.realpath(os.path.dirname(__file__)) == \ |
| os.path.join(GetTopLevel(), 'tools', 'patman') |
| True |
| """ |
| return command.OutputOneLine('git', 'rev-parse', '--show-toplevel') |
| |
| def GetAliasFile(): |
| """Gets the name of the git alias file. |
| |
| Returns: |
| Filename of git alias file, or None if none |
| """ |
| fname = command.OutputOneLine('git', 'config', 'sendemail.aliasesfile', |
| raise_on_error=False) |
| if fname: |
| fname = os.path.join(GetTopLevel(), fname.strip()) |
| return fname |
| |
| def GetDefaultUserName(): |
| """Gets the user.name from .gitconfig file. |
| |
| Returns: |
| User name found in .gitconfig file, or None if none |
| """ |
| uname = command.OutputOneLine('git', 'config', '--global', 'user.name') |
| return uname |
| |
| def GetDefaultUserEmail(): |
| """Gets the user.email from the global .gitconfig file. |
| |
| Returns: |
| User's email found in .gitconfig file, or None if none |
| """ |
| uemail = command.OutputOneLine('git', 'config', '--global', 'user.email') |
| return uemail |
| |
| def Setup(): |
| """Set up git utils, by reading the alias files.""" |
| # Check for a git alias file also |
| alias_fname = GetAliasFile() |
| if alias_fname: |
| settings.ReadGitAliases(alias_fname) |
| |
| def GetHead(): |
| """Get the hash of the current HEAD |
| |
| Returns: |
| Hash of HEAD |
| """ |
| return command.OutputOneLine('git', 'show', '-s', '--pretty=format:%H') |
| |
| if __name__ == "__main__": |
| import doctest |
| |
| doctest.testmod() |