"""
import sys, os, popen2, re, gitmergeonefile
+from shutil import copyfile
from stgit import basedir
from stgit.utils import *
from stgit.config import config
+from sets import Set
# git exception class
class GitException(Exception):
"""An author, committer, etc."""
def __init__(self, name = None, email = None, date = '',
desc = None):
+ self.name = self.email = self.date = None
if name or email or date:
assert not desc
self.name = name
if __run('git-update-index --add --', files):
raise GitException, 'Unable to add file'
+def __copy_single(source, target, target2=''):
+ """Copy file or dir named 'source' to name target+target2"""
+
+ # "source" (file or dir) must match one or more git-controlled file
+ realfiles = _output_lines(['git-ls-files', source])
+ if len(realfiles) == 0:
+ raise GitException, '"%s" matches no git-controled files' % source
+
+ if os.path.isdir(source):
+ # physically copy the files, and record them to add them in one run
+ newfiles = []
+ re_string='^'+source+'/(.*)$'
+ prefix_regexp = re.compile(re_string)
+ for f in [f.strip() for f in realfiles]:
+ m = prefix_regexp.match(f)
+ if not m:
+ print '"%s" does not match "%s"' % (f, re_string)
+ assert(m)
+ newname = target+target2+'/'+m.group(1)
+ if not os.path.exists(os.path.dirname(newname)):
+ os.makedirs(os.path.dirname(newname))
+ copyfile(f, newname)
+ newfiles.append(newname)
+
+ add(newfiles)
+ else: # files, symlinks, ...
+ newname = target+target2
+ copyfile(source, newname)
+ add([newname])
+
+
+def copy(filespecs, target):
+ if os.path.isdir(target):
+ # target is a directory: copy each entry on the command line,
+ # with the same name, into the target
+ target = target.rstrip('/')
+
+ # first, check that none of the children of the target
+ # matching the command line aleady exist
+ for filespec in filespecs:
+ entry = target+ '/' + os.path.basename(filespec.rstrip('/'))
+ if os.path.exists(entry):
+ raise GitException, 'Target "%s" already exists' % entry
+
+ for filespec in filespecs:
+ filespec = filespec.rstrip('/')
+ basename = '/' + os.path.basename(filespec)
+ __copy_single(filespec, target, basename)
+
+ elif os.path.exists(target):
+ raise GitException, 'Target "%s" exists but is not a directory' % target
+ elif len(filespecs) != 1:
+ raise GitException, 'Cannot copy more than one file to non-directory'
+
+ else:
+ # at this point: len(filespecs)==1 and target does not exist
+
+ # check target directory
+ targetdir = os.path.dirname(target)
+ if targetdir != '' and not os.path.isdir(targetdir):
+ raise GitException, 'Target directory "%s" does not exist' % targetdir
+
+ __copy_single(filespecs[0].rstrip('/'), target)
+
+
def rm(files, force = False):
"""Remove a file from the repository
"""
"""
global __user
if not __user:
- if config.has_option('user', 'name') \
- and config.has_option('user', 'email'):
- __user = Person(config.get('user', 'name'),
- config.get('user', 'email'))
- else:
- raise GitException, 'unknown user details'
+ name=config.get('user.name')
+ email=config.get('user.email')
+ __user = Person(name, email)
return __user;
def author():
"""
refresh_index()
+ err_output = None
if recursive:
# this operation tracks renames but it is slower (used in
# general when pushing or picking patches)
try:
# use _output() to mask the verbose prints of the tool
_output('git-merge-recursive %s -- %s %s' % (base, head1, head2))
- except GitException:
+ except GitException, ex:
+ err_output = str(ex)
pass
else:
# the fast case where we don't track renames (used when the
files[path][stage] = (mode, hash)
+ if err_output and not files:
+ # if no unmerged files, there was probably a different type of
+ # error and we have to abort the merge
+ raise GitException, err_output
+
# merge the unmerged files
errors = False
for path in files:
if not files:
__set_head(tree_id)
+def fetch(repository = 'origin', refspec = None):
+ """Fetches changes from the remote repository, using 'git-fetch'
+ by default.
+ """
+ # we update the HEAD
+ __clear_head_cache()
+
+ args = [repository]
+ if refspec:
+ args.append(refspec)
+
+ command = config.get('branch.%s.stgit.fetchcmd' % get_head_file()) or \
+ config.get('stgit.fetchcmd')
+ if __run(command, args) != 0:
+ raise GitException, 'Failed "%s %s"' % (command, repository)
+
def pull(repository = 'origin', refspec = None):
- """Pull changes from the remote repository. At the moment, just
- use the 'git-pull' command
+ """Fetches changes from the remote repository, using 'git-pull'
+ by default.
"""
- # 'git-pull' updates the HEAD
+ # we update the HEAD
__clear_head_cache()
args = [repository]
if refspec:
args.append(refspec)
- if __run(config.get('stgit', 'pullcmd'), args) != 0:
- raise GitException, 'Failed "git-pull %s"' % repository
+ command = config.get('branch.%s.stgit.pullcmd' % get_head_file()) or \
+ config.get('stgit.pullcmd')
+ if __run(command, args) != 0:
+ raise GitException, 'Failed "%s %s"' % (command, repository)
def repack():
"""Repack all objects into a single pack
raise GitException, 'Failed "git-clone %s %s"' \
% (repository, local_dir)
-def modifying_revs(files, base_rev):
+def modifying_revs(files, base_rev, head_rev):
"""Return the revisions from the list modifying the given files
"""
- cmd = ['git-rev-list', '%s..' % base_rev, '--']
+ cmd = ['git-rev-list', '%s..%s' % (base_rev, head_rev), '--']
revs = [line.strip() for line in _output_lines(cmd + files)]
return revs
+
+
+def refspec_localpart(refspec):
+ m = re.match('^[^:]*:([^:]*)$', refspec)
+ if m:
+ return m.group(1)
+ else:
+ raise GitException, 'Cannot parse refspec "%s"' % line
+
+def refspec_remotepart(refspec):
+ m = re.match('^([^:]*):[^:]*$', refspec)
+ if m:
+ return m.group(1)
+ else:
+ raise GitException, 'Cannot parse refspec "%s"' % line
+
+
+def __remotes_from_config():
+ return config.sections_matching(r'remote\.(.*)\.url')
+
+def __remotes_from_dir(dir):
+ d = os.path.join(basedir.get(), dir)
+ if os.path.exists(d):
+ return os.listdir(d)
+ else:
+ return None
+
+def remotes_list():
+ """Return the list of remotes in the repository
+ """
+
+ return Set(__remotes_from_config()) | \
+ Set(__remotes_from_dir('remotes')) | \
+ Set(__remotes_from_dir('branches'))
+
+def remotes_local_branches(remote):
+ """Returns the list of local branches fetched from given remote
+ """
+
+ branches = []
+ if remote in __remotes_from_config():
+ for line in config.getall('remote.%s.fetch' % remote):
+ branches.append(refspec_localpart(line))
+ elif remote in __remotes_from_dir('remotes'):
+ stream = open(os.path.join(basedir.get(), 'remotes', remote), 'r')
+ for line in stream:
+ # Only consider Pull lines
+ m = re.match('^Pull: (.*)\n$', line)
+ if m:
+ branches.append(refspec_localpart(m.group(1)))
+ stream.close()
+ elif remote in __remotes_from_dir('branches'):
+ # old-style branches only declare one branch
+ branches.append('refs/heads/'+remote);
+ else:
+ raise GitException, 'Unknown remote "%s"' % remote
+
+ return branches
+
+def identify_remote(branchname):
+ """Return the name for the remote to pull the given branchname
+ from, or None if we believe it is a local branch.
+ """
+
+ for remote in remotes_list():
+ if branchname in remotes_local_branches(remote):
+ return remote
+
+ # if we get here we've found nothing, the branch is a local one
+ return None
+
+def fetch_head():
+ """Return the git id for the tip of the parent branch as left by
+ 'git fetch'.
+ """
+
+ fetch_head=None
+ stream = open(os.path.join(basedir.get(), 'FETCH_HEAD'), "r")
+ for line in stream:
+ # Only consider lines not tagged not-for-merge
+ m = re.match('^([^\t]*)\t\t', line)
+ if m:
+ if fetch_head:
+ raise GitException, "StGit does not support multiple FETCH_HEAD"
+ else:
+ fetch_head=m.group(1)
+ stream.close()
+
+ # here we are sure to have a single fetch_head
+ return fetch_head
~mdw / stgit / blobdiff