def __init__(self, option_strings, dest, nargs=0, **kwargs):

argparse.Action.__init__(

self, option_strings, argparse.SUPPRESS, nargs, **kwargs)

def __call__(self, parser, namespace, values, option_string=None):

def __init__(self, description):

argparse.ArgumentParser.__init__(

self, description=description, add_help=False)

self.register('action', None, _PassAction)

self('pos', nargs='*', action='store')

def __call__(self, *args, **kwargs):

self.add_argument(*args, **kwargs)

return self

def error(self, message):

'add': _Parser('''\

usage: add [options] [--] <filepattern>...

-n, --dry-run dry run

-v, --verbose be verbose

-f, --force allow adding otherwise ignored files

-u, --update update tracked files

-N, --intent-to-add record only the fact that the path will be added later

-A, --all add all, noticing removal of tracked files

--refresh don't add, only refresh the index

--ignore-errors just skip files which cannot be added because of errors

''')('-n', '--dry-run',

'-v', '--verbose'

'-f', '--force',

'-u', '--update',

'-N', '--intent-to-add',

'-A', '--all',

'--refresh',

'--ignore-errors'),

'branch': _Parser('''\

usage: branch [options] [-r | -a] [--merged | --no-merged]

or: branch [options] [-l] [-f] <branchname> [<start-point>]

or: branch [options] [-r] (-d | -D) <branchname>

or: branch [options] (-m | -M) [<oldbranch>] <newbranch>

-v, --verbose be verbose

--track set up tracking mode (see help pull)

-r act on remote-tracking branches

--contains <commit> print only branches that contain the commit

--abbrev[=<n>] use <n> digits to display SHA-1s

-a list both remote-tracking and local branches

-d delete fully merged branch

-D delete branch (even if not merged)

-m move/rename a branch and its reflog

-M move/rename a branch, even if target exists

-l create the branch's reflog

-f force creation (when already exists)

--no-merged <commit> print only not merged branches

--merged <commit> print only merged branches

''')('-v', '--verbose',

'--track',

'-r',

'-a',

'-d',

'-D',

'-m',

'-M',

'-l',

'-f')

('--contains',

'--no-merged',

'--merged', nargs=1)

('--abbrev', nargs='?'),

'checkout': _Parser('''\

usage: checkout [options] <branch>

or: checkout [options] [<branch>] -- <file>...

-q, --quiet be quiet

-b <new branch> branch

-l log for new branch

-t, --track track

-2, --ours stage

-3, --theirs stage

-f force

-m, --merge merge

--conflict <style> conflict style (merge or diff3)

''')('-q', '--quiet',

'-l',

'-t', '--track',

'-2', '--ours',

'-3', '--theirs',

'-f',

'-m', '--merge')

('-b',

'--conflict', nargs=1),

'clean': _Parser('''\

usage: clean [-d] [-f] [-n] [-q] [-x | -X] [--] <paths>...

-q, --quiet be quiet

-n, --dry-run dry run

-f force

-d remove whole directories

-x remove ignored files, too

-X remove only ignored files

''')('-q', '--quiet',

'-n', '--dry-run',

'-f',

'-d',

'-x',

'-X'),

'commit': _Parser('''\

usage: commit [options] [--] <filepattern>...

-q, --quiet be quiet

-v, --verbose be verbose

Commit message options

-m, --message <MESSAGE>

specify commit message

-C, --reuse-message <COMMIT>

reuse message from specified commit

Commit contents options

-a, --all commit all changed files

-i, --include add specified files to index for commit

-o, --only commit only specified files

--amend amend previous commit

--allow-empty ok to record an empty change

''')('-q', '--quiet',

'-v', '--verbose',

'-a', '--all',

'-i', '--include',

'-o', '--only',

'--amend',

'--allow-empty',

'--reset-author')

('-m', '--message', nargs=1, required=True)

('-C', '--reuse-message', '--author', nargs=1),

'describe': _Parser('''\

usage: describe [options] <committish>*

--contains find the tag that comes after the commit

--debug debug search strategy on stderr

--all use any ref in .git/refs

--tags use any tag in .git/refs/tags

--long always use long format

--abbrev[=<n>] use <n> digits to display SHA-1s

--exact-match only output exact matches

--candidates <n> consider <n> most recent tags (default: 10)

--match <pattern> only consider tags matching <pattern>

--always show abbreviated commit object as fallback

''')('--contains',

'--debug',

'--all',

'--tags',

'--long',

'--exact-match',

'--always')

('--candidates',

'--match', nargs=1)

('--abbrev', nargs='?'),

'diff': _Parser('''\

usage: diff [--options] [--] [<path>...]

or: diff [--options] --cached [<commit>] [--] [<path>...]

or: diff [--options] <commit> [--] [<path>...]

or: diff [--options] <commit> <commit> [--] [<path>...]

or: diff [--options] <commit>..<commit> [--] [<path>...]

or: diff [--options] <commit>...<commit> [--] [<path>...]

'''),

'fetch': _Parser('''\

usage: fetch [options] [<repository> <refspec>...]

-v, --verbose be more verbose

-q, --quiet be more quiet

-a, --append append to FETCH_HEAD instead of overwriting

-f, --force force overwrite of local branch

-t, --tags fetch all tags and associated objects

-n do not fetch all tags (--no-tags)

-k, --keep keep downloaded pack

-u, --update-head-ok allow updating of HEAD ref

--depth <DEPTH> deepen history of shallow clone

''')('-v', '--verbose',

'-q', '--quiet',

'-a', '--append',

'-f', '--force',

'-t', '--tags',

'-n', '--no-tags',

'-k', '--keep',

'-u', '--update-head-ok')

('--depth', nargs=1),

'grep': _Parser('''\

usage: grep <option>* [-e] <pattern> <rev>* [[--] <path>...]

''')('--cached',

'-i', '--ignore-case',

'-w', '--word-regexp',

'-v', '--invert-match',

'-h',

'-H',

'--full-name',

'-E', '--extended-regexp,',

'-G', '--basic-regexp',

'-F', '--fixed-strings',

'-n',

'-l', '--files-with-matches, --name-only,',

'-L', '--files-without-match',

'-c', '--count',

'--all-match')

('-A',

'-B',

'-C',

'-e',

'--and,',

'--or,',

'--not', nargs=1),

'log': _Parser('''\

usage: log [<options>] [<since>..<until>] [[--] <path>...]

''')('-i', '--regexp-ignore-case',

'-E', '--extended-regexp',

'-F', '--fixed-strings',

'--remove-empty',

'--no-merges',

'--first-parent',

'--not',

'--all',

'--branches',

'--tags',

'--remotes',

'--merge')

('-n', '--max-count',

'--skip',

'--since',

'--after',

'--until',

'--before',

'--author',

'--commiter',

'--grep', nargs=1),

'merge': _Parser('''\

usage: merge [options] <remote>...

or: merge [options] <msg> HEAD <remote>

-n do not show a diffstat at the end of the merge

--stat show a diffstat at the end of the merge

--summary (synonym to --stat)

--log add list of one-line log to merge commit message

--squash create a single commit instead of doing a merge

--commit perform a commit if the merge succeeds (default)

--ff allow fast forward (default)

-s, --strategy <strategy>

merge strategy to use

-m, --message <message>

message to be used for the merge commit (if any)

-v, --verbose be more verbose

-q, --quiet be more quiet

''')('-n',

'--stat',

'--summary',

'--log',

'--squash',

'--commit',

'--ff',

'-v', '--verbose',

'-q', '--quiet')

('-s', '--strategy',

'-m', '--message', nargs=1),

'mv': _Parser('''\

usage: mv [options] <source>... <destination>

-n, --dry-run dry run

-f force move/rename even if target exists

-k skip move/rename errors

''')('-n', '--dry-run'

'-f',

'-k'),

'push': _Parser('''\

usage: push [--all | --mirror] [--dry-run] [--tags] [-f | --force] [-v] [<repository> <refspec>...]

-v, --verbose be verbose

--all push all refs

--mirror mirror all refs

--tags push tags

--dry-run dry run

-f, --force force updates

--thin use thin pack

''')('-v, --verbose'

'--all',

'--mirror',

'--tags',

'--dry-run',

'-f, --force',

'--thin'),

'rebase': _Parser('''\

usage: rebase [-v] [--force-rebase | -f] [--onto <newbase>] [<upstream>|--root] [<branch>]

''')('-m', '--merge',

'-v', '--verbose',

'--stat',

'-n', '--no-stat',

'-f', '--force-rebase',

'--committer-date-is-author-date,',

'--ignore-date',

'-p', '--preserve-merges',

'--root')

('-C',

'--whitespace', nargs=1),

'remote': _Parser('''\

usage: remote [-v | --verbose]

or: remote add [-t <branch>] [-m <master>] [-f] [--mirror] <name> <url>

or: remote rename <old> <new>

or: remote rm <name>

or: remote set-head <name> [-a | -d | <branch>]

or: remote show [-n] <name>

or: remote prune [-n | --dry-run] <name>

or: remote [-v | --verbose] update [-p | --prune] [group]

-v, --verbose be verbose

''')('-v', '--verbose',

'-n', '--dry-run',

'-p', '--prune',

'--mirror',

'-a',

'-d',

'-f')

('-t',

'-m', nargs=1),

'reset': _Parser('''\

usage: reset [--mixed | --soft | --hard | --merge] [-q] [<commit>]

or: reset [--mixed] <commit> [--] <paths>...

--mixed reset HEAD and index

--soft reset only HEAD

--hard reset HEAD, index and working tree

--merge reset HEAD, index and working tree

-q disable showing new HEAD in hard reset and progress message

''')('--mixed',

'--soft',

'--hard',

'--merge',

'-q'),

'revert': _Parser('''\

usage: revert [options] <commit-ish>

-n, --no-commit don't automatically commit

-x append commit name when cherry-picking

-m, --mainline <n> parent number

''')('-n', '--no-commit',

'-x')

('-m', '--mainline', nargs=1),

'rm': _Parser('''\

usage: rm [options] [--] <file>...

-n, --dry-run dry run

-q, --quiet be quiet

--cached only remove from the index

-f, --force override the up-to-date check

-r allow recursive removal

''')('-n', '--dry-run',

'-q', '--quiet',

'--cached',

'-f', '--force',

'-r'),

'show': _Parser('''\

usage: show [options] <object>...

''')('--abbrev-commit'

'--oneline')

('--pretty', '--format', nargs=1),

'stash': _Parser('''\

usage: stash list [<options>]

or: stash (show | drop | pop ) [<stash>]

or: stash apply [--index] [<stash>]

or: stash branch <branchname> [<stash>]

or: stash [save [--keep-index] [<message>]]

or: stash clear

''')('--index',

'--keep-index'),

'status': _Parser('''\

usage: status [options] [--] <filepattern>...

-v, --verbose be verbose

-s, --short show status concisely

-a, --all commit all changed files

-i, --include add specified files to index for commit

-o, --only commit only specified files

--amend amend previous commit

--allow-empty ok to record an empty change

''')('-v', '--verbose',

'-s', '--short',

'-a', '--all',

'-i', '--include',

'-o', '--only',

'--amend',

'--allow-empty'),

'tag': _Parser('''\

usage: tag [-a] [-f] -m <msg> <tagname> [<head>]

or: tag -d <tagname>...

or: tag -l [-n[<num>]] [<pattern>]

or: tag -v <tagname>...

-l list tag names

-n[<n>] print n lines of each tag message

-d delete tags

Tag creation options

-a annotated tag, needs a message

-m <msg> message for the tag

-f replace the tag if exists

Tag listing options

--contains <commit> print only tags that contain the commit

''')('-f', '-l', '-d')

('-a', action='store_true')

('-m', nargs=1, action='store')

('-n', nargs='?'),

parser(

'-p', '-u',

'--patience',

'--numstat',

'--shortstat',

'--summary',

'--name-only',

'--name-status',

'--no-renames',

'--check',

'--full-index',

'-B',

'-M',

'-C',

'--pickaxe-all',

'--pickaxe-regex',

'-R',

'-b', '--ignore-space-change',

'-w', '--ignore-all-space',

'--no-prefix',

'--cached',

'--staged')

parser(

'-U', '--unified',

'--diff-filter',

'-S',

'--relative',

'--inter-hunk-context',

'--src-prefix',

'--dst-prefix', nargs=1)

parser(

'--stat',

'--dirstat',

'--dirstat-by-file',

protocol, sep, _ = url.partition('://')

if sep:

if protocol not in (

'git', 'http', 'ssh', 'https', 'git+ssh', 'ssh+git'):

raise Error('The protocol "%s" isn\'t supported.' % protocol)

else:

if '/' in url and ':' not in url:

command, _, tail = string.lstrip().partition(' ')

if command == 'help':

return command, tail.split()

try:

parser = _parsers[command]

except KeyError:

raise Error('Command "%s" is not supported.' % command)

args = []

for arg in smart_split(tail):

try:

arg = unescape_string_literal(arg)

except ValueError:

pass

args.append(arg)

namespace = parser.parse_args(args)

if command in ('push', 'pull', 'fetch'):

for url in namespace.pos:

_check_url(url)

elif command == 'remote':

if namespace.pos and namespace.pos[0] == 'add':

_check_url(namespace.pos[-1])

elif command == 'tag':

if namespace.a and namespace.m is None:

raise Error('The -m option is required if -a is used.')

def __init__(self, dev_name, app_name, author_name, author_email):

dev_path = ROOT.devs[dev_name]

app_path = dev_path.apps[app_name]

self._env = {

'GIT_WORK_TREE': app_path.code,

'GIT_DIR': app_path.git,

'GIT_SSH': dev_path.ssh,

'GIT_AUTHOR_NAME': author_name,

'GIT_AUTHOR_EMAIL': author_email,

'GIT_COMMITTER_NAME': author_name,

'GIT_COMMITTER_EMAIL': author_email,

}

def run(self, command, *args):

if command == 'help':

if args:

try:

return _parsers[args[0]].description

except KeyError:

raise Error('Command "%s" is not supported.' % args[0])

else:

return '''\

The most commonly used git commands are:

add Add file contents to the index

branch List, create, or delete branches

checkout Checkout a branch or paths to the working tree

commit Record changes to the repository

diff Show changes between commits, commit and working tree, etc

fetch Download objects and refs from another repository

grep Print lines matching a pattern

log Show commit logs

merge Join two or more development histories together

mv Move or rename a file, a directory, or a symlink

pull Fetch from and merge with another repository or a local branch

push Update remote refs along with associated objects

rebase Forward-port local commits to the updated upstream head

reset Reset current HEAD to the specified state

rm Remove files from the working tree and from the index

show Show various types of objects

status Show the working tree status

tag Create, list, or delete a tag object

See 'help COMMAND' for more information on a specific command.

'''

process = Popen(

['/usr/bin/git', command] + list(args),

env=self._env,

cwd=self._env['GIT_WORK_TREE'],

stdout=PIPE,

stderr=STDOUT)