Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""
-import sys, os, re, gitmergeonefile
+import sys, os, re
from shutil import copyfile
from stgit.exception import *
"""
Run.__init__(self, 'git', *cmd)
-class GitConflictException(GitException):
- def __init__(self, conflicts):
- GitException.__init__(self)
- self.conflicts = conflicts
- def __str__(self):
- return "%d conflicts" % len(self.conflicts)
- def list(self):
- out.info(*self.conflicts)
-
#
# Classes
#
def get_conflicts():
"""Return the list of file conflicts
"""
- conflicts_file = os.path.join(basedir.get(), 'conflicts')
- if os.path.isfile(conflicts_file):
- f = file(conflicts_file)
- names = [line.strip() for line in f.readlines()]
- f.close()
- return names
- else:
- return None
+ names = set()
+ for line in GRun('ls-files', '-z', '--unmerged'
+ ).raw_output().split('\0')[:-1]:
+ stat, path = line.split('\t', 1)
+ names.add(path)
+ return list(names)
def exclude_files():
files = [os.path.join(basedir.get(), 'info', 'exclude')]
files.append(user_exclude)
return files
-def ls_files(files, tree = None, full_name = True):
+def ls_files(files, tree = 'HEAD', full_name = True):
"""Return the files known to GIT or raise an error otherwise. It also
converts the file to the full path relative the the .git directory.
"""
args.append('--')
args.extend(files)
try:
- return GRun('ls-files', '--error-unmatch', *args).output_lines()
+ # use a set to avoid file names duplication due to different stages
+ fileset = set(GRun('ls-files', '--error-unmatch', *args).output_lines())
except GitRunException:
# just hide the details of the 'git ls-files' command we use
raise GitException, \
'Some of the given paths are either missing or not known to GIT'
+ return list(fileset)
+
+def parse_git_ls(output):
+ """Parse the output of git diff-index, diff-files, etc. Doesn't handle
+ rename/copy output, so don't feed it output generated with the -M
+ or -C flags."""
+ t = None
+ for line in output.split('\0'):
+ if not line:
+ # There's a zero byte at the end of the output, which
+ # gives us an empty string as the last "line".
+ continue
+ if t == None:
+ mode_a, mode_b, sha1_a, sha1_b, t = line.split(' ')
+ else:
+ yield (t, line)
+ t = None
def tree_status(files = None, tree_id = 'HEAD', unknown = False,
- noexclude = True, verbose = False, diff_flags = []):
+ noexclude = True, verbose = False):
"""Get the status of all changed files, or of a selected set of
files. Returns a list of pairs - (status, filename).
refresh_index()
+ if files is None:
+ files = []
cache_files = []
# unknown files
# conflicted files
conflicts = get_conflicts()
- if not conflicts:
- conflicts = []
cache_files += [('C', filename) for filename in conflicts
if not files or filename in files]
reported_files = set(conflicts)
+ files_left = [f for f in files if f not in reported_files]
- # files in the index
- args = diff_flags + [tree_id]
- if files:
- args += ['--'] + files
- for line in GRun('diff-index', *args).output_lines():
- fs = tuple(line.rstrip().split(' ',4)[-1].split('\t',1))
- if fs[1] not in reported_files:
- cache_files.append(fs)
- reported_files.add(fs[1])
-
- # files in the index but changed on (or removed from) disk
- args = list(diff_flags)
- if files:
- args += ['--'] + files
- for line in GRun('diff-files', *args).output_lines():
- fs = tuple(line.rstrip().split(' ',4)[-1].split('\t',1))
- if fs[1] not in reported_files:
- cache_files.append(fs)
- reported_files.add(fs[1])
+ # files in the index. Only execute this code if no files were
+ # specified when calling the function (i.e. report all files) or
+ # files were specified but already found in the previous step
+ if not files or files_left:
+ args = [tree_id]
+ if files_left:
+ args += ['--'] + files_left
+ for t, fn in parse_git_ls(GRun('diff-index', '-z', *args).raw_output()):
+ # the condition is needed in case files is emtpy and
+ # diff-index lists those already reported
+ if not fn in reported_files:
+ cache_files.append((t, fn))
+ reported_files.add(fn)
+ files_left = [f for f in files if f not in reported_files]
+
+ # files in the index but changed on (or removed from) disk. Only
+ # execute this code if no files were specified when calling the
+ # function (i.e. report all files) or files were specified but
+ # already found in the previous step
+ if not files or files_left:
+ args = []
+ if files_left:
+ args += ['--'] + files_left
+ for t, fn in parse_git_ls(GRun('diff-files', '-z', *args).raw_output()):
+ # the condition is needed in case files is empty and
+ # diff-files lists those already reported
+ if not fn in reported_files:
+ cache_files.append((t, fn))
+ reported_files.add(fn)
if verbose:
out.done()
and os.path.exists(os.path.join(reflog_dir, from_name)):
rename(reflog_dir, from_name, to_name)
-def add(names):
- """Add the files or recursively add the directory contents
- """
- # generate the file list
- files = []
- for i in names:
- if not os.path.exists(i):
- raise GitException, 'Unknown file or directory: %s' % i
-
- if os.path.isdir(i):
- # recursive search. We only add files
- for root, dirs, local_files in os.walk(i):
- for name in [os.path.join(root, f) for f in local_files]:
- if os.path.isfile(name):
- files.append(os.path.normpath(name))
- elif os.path.isfile(i):
- files.append(os.path.normpath(i))
- else:
- raise GitException, '%s is not a file or directory' % i
-
- if files:
- try:
- GRun('update-index', '--add', '--').xargs(files)
- except GitRunException:
- 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 = GRun('ls-files', source).output_lines()
- 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:
- raise Exception, '"%s" does not match "%s"' % (f, re_string)
- 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
- """
- if not force:
- for f in files:
- if os.path.exists(f):
- raise GitException, '%s exists. Remove it first' %f
- if files:
- GRun('update-index', '--remove', '--').xargs(files)
- else:
- if files:
- GRun('update-index', '--force-remove', '--').xargs(files)
-
# Persons caching
__user = None
__author = None
local tree
"""
refresh_index()
- p = GRun('merge-recursive', base, '--', head1, head2).returns([0, 1])
+ p = GRun('merge-recursive', base, '--', head1, head2).env(
+ { 'GITHEAD_%s' % base: 'ancestor',
+ 'GITHEAD_%s' % head1: 'current',
+ 'GITHEAD_%s' % head2: 'patched'}).returns([0, 1])
output = p.output_lines()
- if p.exitcode == 0:
- # No problems
- return
- else: # exitcode == 1
+ if p.exitcode:
# There were conflicts
- conflicts = [l.strip() for l in output if l.startswith('CONFLICT')]
- raise GitConflictException(conflicts)
-
-def merge(base, head1, head2):
- """Perform a 3-way merge between base, head1 and head2 into the
- local tree
- """
- refresh_index()
-
- err_output = None
- # the fast case where we don't track renames (used when the
- # distance between base and heads is small, i.e. folding or
- # synchronising patches)
- try:
- GRun('read-tree', '-u', '-m', '--aggressive', base, head1, head2
- ).run()
- except GitRunException:
- raise GitException, 'read-tree failed (local changes maybe?)'
-
- # check the index for unmerged entries
- files = {}
- stages_re = re.compile('^([0-7]+) ([0-9a-f]{40}) ([1-3])\t(.*)$', re.S)
-
- for line in GRun('ls-files', '--unmerged', '--stage', '-z'
- ).raw_output().split('\0'):
- if not line:
- continue
-
- mode, hash, stage, path = stages_re.findall(line)[0]
-
- if not path in files:
- files[path] = {}
- files[path]['1'] = ('', '')
- files[path]['2'] = ('', '')
- files[path]['3'] = ('', '')
-
- 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:
- # remove additional files that might be generated for some
- # newer versions of GIT
- for suffix in [base, head1, head2]:
- if not suffix:
- continue
- fname = path + '~' + suffix
- if os.path.exists(fname):
- os.remove(fname)
-
- stages = files[path]
- if gitmergeonefile.merge(stages['1'][1], stages['2'][1],
- stages['3'][1], path, stages['1'][0],
- stages['2'][0], stages['3'][0]) != 0:
- errors = True
-
- if errors:
- raise GitException, 'GIT index merging failed (possible conflicts)'
+ if config.get('stgit.autoimerge') == 'yes':
+ mergetool()
+ else:
+ conflicts = [l for l in output if l.startswith('CONFLICT')]
+ out.info(*conflicts)
+ raise GitException, "%d conflict(s)" % len(conflicts)
+
+def mergetool(files = ()):
+ """Invoke 'git mergetool' to resolve any outstanding conflicts. If 'not
+ files', all the files in an unmerged state will be processed."""
+ GRun('mergetool', *list(files)).returns([0, 1]).run()
+ # check for unmerged entries (prepend 'CONFLICT ' for consistency with
+ # merge_recursive())
+ conflicts = ['CONFLICT ' + f for f in get_conflicts()]
+ if conflicts:
+ out.info(*conflicts)
+ raise GitException, "%d conflict(s)" % len(conflicts)
def diff(files = None, rev1 = 'HEAD', rev2 = None, diff_flags = [],
binary = True):
else:
return ''
-# TODO: take another parameter representing a diff string as we
-# usually invoke git.diff() form the calling functions
-def diffstat(files = None, rev1 = 'HEAD', rev2 = None):
- """Return the diffstat between rev1 and rev2."""
- return GRun('apply', '--stat', '--summary'
- ).raw_input(diff(files, rev1, rev2)).raw_output()
-
def files(rev1, rev2, diff_flags = []):
"""Return the files modified between rev1 and rev2
"""
if not files:
__set_head(tree_id)
+def resolved(filenames, reset = None):
+ if reset:
+ stage = {'ancestor': 1, 'current': 2, 'patched': 3}[reset]
+ GRun('checkout-index', '--no-create', '--stage=%d' % stage,
+ '--stdin', '-z').input_nulterm(filenames).no_output()
+ GRun('update-index', '--add', '--').xargs(filenames)
+ for filename in filenames:
+ # update the access and modificatied times
+ os.utime(filename, None)
+
def fetch(repository = 'origin', refspec = None):
"""Fetches changes from the remote repository, using 'git fetch'
by default.
GRun('repack', '-a', '-d', '-f').run()
def apply_patch(filename = None, diff = None, base = None,
- fail_dump = True):
+ fail_dump = True, reject = False, strip = None):
"""Apply a patch onto the current or given index. There must not
be any local changes in the tree, otherwise the command fails
"""
else:
refresh_index()
+ cmd = ['apply', '--index']
+ if reject:
+ cmd += ['--reject']
+ if strip != None:
+ cmd += ['-p', str(strip)]
try:
- GRun('apply', '--index').raw_input(diff).no_output()
+ GRun(*cmd).raw_input(diff).no_output()
except GitRunException:
if base:
switch(orig_head)
top = commit(message = 'temporary commit used for applying a patch',
parents = [base])
switch(orig_head)
- merge(base, orig_head, top)
+ merge_recursive(base, orig_head, top)
def clone(repository, local_dir):
"""Clone a remote repository. At the moment, just use the
return m.group(1)
else:
raise GitException, 'Cannot parse refspec "%s"' % line
-
def __remotes_from_config():
return config.sections_matching(r'remote\.(.*)\.url')
~mdw / stgit / blobdiff