diff options
Diffstat (limited to 'tools/patman/gitutil.py')
| -rw-r--r-- | tools/patman/gitutil.py | 201 |
1 files changed, 179 insertions, 22 deletions
diff --git a/tools/patman/gitutil.py b/tools/patman/gitutil.py index ca3ba4a..f485750 100644 --- a/tools/patman/gitutil.py +++ b/tools/patman/gitutil.py @@ -23,11 +23,12 @@ import command import re import os import series -import settings import subprocess import sys import terminal +import settings + def CountCommitsToBranch(): """Returns number of commits between HEAD and the tracking branch. @@ -40,10 +41,123 @@ def CountCommitsToBranch(): """ pipe = [['git', 'log', '--no-color', '--oneline', '@{upstream}..'], ['wc', '-l']] - stdout = command.RunPipe(pipe, capture=True, oneline=True) + 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 + """ + 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) + 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. + """ + upstream = GetUpstream(git_dir, branch) + 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 + """ + range_expr = GetRangeInBranch(git_dir, branch, include_upstream) + pipe = [['git', '--git-dir', git_dir, 'log', '--oneline', 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', 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. @@ -159,7 +273,7 @@ def ApplyPatches(verbose, args, start_point): print stdout, stderr return error_count == 0 -def BuildEmailList(in_list, tag=None, alias=None): +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 @@ -172,6 +286,9 @@ def BuildEmailList(in_list, tag=None, alias=None): 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 @@ -193,7 +310,7 @@ def BuildEmailList(in_list, tag=None, alias=None): quote = '"' if tag and tag[0] == '-' else '' raw = [] for item in in_list: - raw += LookupEmail(item, alias) + raw += LookupEmail(item, alias, raise_on_error=raise_on_error) result = [] for item in raw: if not item in result: @@ -202,8 +319,8 @@ def BuildEmailList(in_list, tag=None, alias=None): return ['%s %s%s%s' % (tag, quote, email, quote) for email in result] return result -def EmailPatches(series, cover_fname, args, dry_run, cc_fname, - self_only=False, alias=None): +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: @@ -211,8 +328,12 @@ def EmailPatches(series, cover_fname, args, dry_run, cc_fname, 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 @@ -231,20 +352,21 @@ def EmailPatches(series, cover_fname, args, dry_run, cc_fname, >>> series = series.Series() >>> series.to = ['fred'] >>> series.cc = ['mary'] - >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, 'cc-fname', False, \ - alias) + >>> 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, 'cc-fname', False, alias) + >>> 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, 'cc-fname', True, \ - alias) + >>> 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, 'cc-fname', False, \ - alias) + >>> 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' @@ -252,16 +374,19 @@ def EmailPatches(series, cover_fname, args, dry_run, cc_fname, # Restore argv[0] since we clobbered it. >>> sys.argv[0] = _old_argv0 """ - to = BuildEmailList(series.get('to'), '--to', alias) + 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) + cc = BuildEmailList(series.get('cc'), '--cc', alias, raise_on_error) if self_only: - to = BuildEmailList([os.getenv('USER')], '--to', alias) + 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)] @@ -274,13 +399,16 @@ def EmailPatches(series, cover_fname, args, dry_run, cc_fname, return str -def LookupEmail(lookup_name, alias=None, level=0): +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: @@ -314,6 +442,15 @@ def LookupEmail(lookup_name, alias=None, level=0): 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 @@ -322,16 +459,27 @@ def LookupEmail(lookup_name, alias=None, level=0): return [lookup_name] lookup_name = lookup_name.lower() + col = terminal.Color() + out_list = [] if level > 10: - raise OSError, "Recursive email alias at '%s'" % lookup_name + 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 - out_list = [] if lookup_name: if not lookup_name in alias: - raise ValueError, "Alias '%s' not found" % lookup_name + 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, level + 1) + 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) @@ -359,7 +507,8 @@ def GetAliasFile(): Returns: Filename of git alias file, or None if none """ - fname = command.OutputOneLine('git', 'config', 'sendemail.aliasesfile') + fname = command.OutputOneLine('git', 'config', 'sendemail.aliasesfile', + raise_on_error=False) if fname: fname = os.path.join(GetTopLevel(), fname.strip()) return fname @@ -389,6 +538,14 @@ def Setup(): 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 |