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.
Return:
Number of patches that exist on top of the branch
"""
- pipe = [['git', 'log', '--oneline', '@{upstream}..'],
+ pipe = [['git', 'log', '--no-color', '--oneline', '--no-decorate',
+ '@{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
+ """
+ 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.
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
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
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:
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:
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']
>>> 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'
+
+ # 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)]
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:
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
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)
This test makes sure that we are running tests in the right subdir
- >>> os.path.realpath(os.getcwd()) == \
- os.path.join(GetTopLevel(), 'tools', 'scripts', 'patman')
+ >>> os.path.realpath(os.path.dirname(__file__)) == \
+ os.path.join(GetTopLevel(), 'tools', 'patman')
True
"""
return command.OutputOneLine('git', 'rev-parse', '--show-toplevel')
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
+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."""
- settings.Setup('')
-
# 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