def get_tree_changes(repo):
"""Return add/delete/modify changes to tree by comparing index to HEAD.
:param repo: repo path or object
:return: dict with lists for each type of change
"""
r = open_repo(repo)
index = r.open_index()
# Compares the Index to the HEAD & determines changes
# Iterate through the changes and report add/delete/modify
# TODO: call out to dulwich.diff_tree somehow.
tracked_changes = {
'add': [],
'delete': [],
'modify': [],
}
for change in index.changes_from_tree(r.object_store, r['HEAD'].tree):
if not change[0][0]:
tracked_changes['add'].append(change[0][1])
elif not change[0][1]:
tracked_changes['delete'].append(change[0][0])
elif change[0][0] == change[0][1]:
tracked_changes['modify'].append(change[0][0])
else:
raise AssertionError('git mv ops not yet supported')
return tracked_changes
def get_tree_changes(repo):
"""Return add/delete/modify changes to tree by comparing index to HEAD.
:param repo: repo path or object
:return: dict with lists for each type of change
"""
r = open_repo(repo)
index = r.open_index()
# Compares the Index to the HEAD & determines changes
# Iterate through the changes and report add/delete/modify
# TODO: call out to dulwich.diff_tree somehow.
tracked_changes = {
'add': [],
'delete': [],
'modify': [],
}
for change in index.changes_from_tree(r.object_store, r['HEAD'].tree):
if not change[0][0]:
tracked_changes['add'].append(change[0][1])
elif not change[0][1]:
tracked_changes['delete'].append(change[0][0])
elif change[0][0] == change[0][1]:
tracked_changes['modify'].append(change[0][0])
else:
raise AssertionError('git mv ops not yet supported')
return tracked_changes
def checkout(self, sha=None):
self._fetch()
print "# Checkout repo %s @ %s => %s.."%(self.remote_uri,sha,self.path)
self._init_subrepos(sha)
target = self['HEAD']
if sha:
target = self[sha]
target_tree = target.tree
index = Index(self.index_path())
for e_path,e_mode,e_sha in index.changes_from_tree(self.object_store, target_tree, want_unchanged=True):
e_source = (e_path[1],e_mode[1],e_sha[1])
e_target = (e_path[0],e_mode[0],e_sha[0])
e_to_checkout = None
if e_source[0] and e_target[0]:
if not os.path.exists(os.path.join(self.path, e_target[0])):
e_to_checkout = ("A",e_target)
elif e_source[2] != e_target[2]:
e_to_checkout = ("U",e_target)
elif not e_target[0]:
print "D %s"%(os.path.join(self.path, e_source[0]))
if stat.S_ISREG(e_source[1]):
os.unlink(os.path.join(self.path, e_source[0]))
del index[e_source[0]]
else:
e_to_checkout = ("A",e_target)
if e_to_checkout:
print "%s %s"%(e_to_checkout[0],os.path.join(self.path,e_to_checkout[1][0]))
self._checkout_entry(index, *e_to_checkout[1])
self._init_subrepos(sha)
for subrepo in self.subrepo.values():
subrepo[1].checkout(subrepo[0])
def _changed_entries(self, ref=None):
ref = ref or self.DEFAULT_COMMIT
if not self.has_commits:
return []
obj_sto = self.repo.object_store
tree_id = self[ref].tree
names = self.trackable_files
lookup_func = partial(self.lookup_entry, trackable_files=names)
# Format = [((old_name, new_name), (old_mode, new_mode), (old_sha, new_sha)), ...]
tree_diff = changes_from_tree(names, lookup_func, obj_sto, tree_id, want_unchanged=False)
return list(tree_diff)
def _changed_entries(self, ref=None):
ref = ref or self.DEFAULT_COMMIT
if not self.has_commits:
return []
obj_sto = self.repo.object_store
tree_id = self[ref].tree
names = self.trackable_files
lookup_func = partial(self.lookup_entry, trackable_files=names)
# Format = [((old_name, new_name), (old_mode, new_mode), (old_sha, new_sha)), ...]
tree_diff = changes_from_tree(names, lookup_func, obj_sto, tree_id, want_unchanged=False)
return list(tree_diff)
def write_tree_workingdir_diff(f,
store,
tree,
names,
filter_callback=None,
diff_binary=False):
"""Write diff of tree against current working dir
Args:
f: File-like object to write to.
tree: tree id for base of comparison
names: list of working directory relative file paths (bytes only)
diff_binary: Whether to diff files even if they
are considered binary files by is_binary().
"""
entry_info = {}
def lookup_entry(name):
if name in entry_info:
blob, fmode = entry_info[name]
return (blob.id, fmode)
return (None, None)
# convert tree_paths that represent files in working dir
# to an equivalent temp blob mode and store it
# This should properly handle checkin normalization
# which is required to make diffs work properly
for name in names:
filepath = name
if os_sep_bytes != b'/':
filepath = name.replace(b'/', os_sep_bytes)
stat = os.stat(filepath)
fmode = stat.st_mode
blob = blob_from_path_and_stat(filepath, stat)
if filter_callback:
blob = filter_callback(blob, name)
entry_info[name] = (blob, fmode)
for change_entry in changes_from_tree(names, lookup_entry, store, tree):
(name1, name2), (mode1, mode2), (sha1, sha2) = change_entry
content1 = b''
content2 = b''
if name2:
if name2 in entry_info:
blob, fmode = entry_info[name2]
content2 = blob.as_raw_string()
if name1:
content1 = store[sha1].as_raw_string()
_write_diff(f, (name1, mode1, sha1, content1),
(name2, mode2, sha2, content2))
def status(self, sha=None):
print "# Status.."
target = self['HEAD']
if sha:
target = self[sha]
target_tree = target.tree
index = Index(self.index_path())
for e_path,e_mode,e_sha in index.changes_from_tree(self.object_store, target_tree, want_unchanged=True):
e_source = (e_path[0],e_mode[0],e_sha[0])
e_target = (e_path[1],e_mode[1],e_sha[1])
if e_source[0] and e_target[0]:
if not os.path.exists(os.path.join(self.path, e_source[0])):
print "D %s"%(os.path.join(self.path, e_source[0]))
elif e_source[2] != e_target[2]:
print "M %s"%(os.path.join(self.path, e_source[0]))
elif not e_target[0]:
print "D %s"%(os.path.join(self.path, e_source[0]))
else:
print "A %s"%(os.path.join(self.path, e_target[0]))
def emit_repo_as_xdot(repo, options):
'''Emits xdot for the given repo on stdout.'''
global graph # TODO: globals are bad mmmmkay
global vertices
vertices = {}
graph = pydot.Graph(verbose=True)
graph.set_bgcolor('#00000000') # transparent background
objstore = repo.object_store
seen = set()
# walk everything in the object store. (this means orphaned nodes will show.)
for sha in objstore:
if not options.blobs and objstore[sha].type_name in ('blob', 'tree'):
continue
walk_node(objstore, seen, sha, options)
for ref in repo.refs.keys():
if ref == 'HEAD':
continue # TODO: let this loop handle symbolic refs too
branch_node = add_branch_node(ref)
graph.add_edge(
pydot.Edge(branch_node, repo.refs[ref],
**edge_opts(style='dotted')))
# do HEAD as a special case
ref = 'HEAD'
nopts = node_opts(label=ref,
shape='diamond',
style='filled',
fillcolor='#ff3333',
fontcolor='white',
tooltip='Symbolic Ref: HEAD')
head_node = pydot.Node(ref, **nopts)
graph.add_node(head_node)
symref = repo.refs.read_ref(ref)
if symref.startswith('ref: '):
symref = symref[5:]
points_to = add_branch_node(symref)
graph.add_node(points_to)
graph.add_edge(
pydot.Edge(head_node, add_branch_node(symref),
**edge_opts(style='dotted')))
# index
if options.index:
try:
head_tree = repo['HEAD'].tree
except KeyError:
head_tree = None
index = repo.open_index()
try:
changes = list(index.changes_from_tree(objstore, head_tree))
except TypeError:
# the official dulwich repo throws a TypeError changes_from_tree is
# called against an empty tree (None)
if head_tree is not None: raise
changes = []
if changes:
index_node = pydot.Node('index',
shape='invtriangle',
style='filled',
fillcolor='#33ff33',
fontname=DEFAULT_FONTNAME,
fontsize=DEFAULT_FONTSIZE)
graph.add_node(index_node)
for (oldpath, newpath), (oldmode, newmode), (oldsha,
newsha) in changes:
graph.add_edge(
pydot.Edge(index_node,
vert_for_sha(objstore, newsha),
label=q(' ' + newpath),
fontname=DEFAULT_FONTNAME,
fontsize=DEFAULT_FONTSIZE))
# invoke dot -Txdot to turn out DOT file into an xdot file, which canviz is expecting
subprocess.Popen(['dot', '-Txdot'],
stdin=subprocess.PIPE).communicate(graph.to_string())
def emit_repo_as_xdot(repo, options):
"""Emits xdot for the given repo on stdout."""
global graph # TODO: globals are bad mmmmkay
global vertices
vertices = {}
graph = pydot.Graph(verbose=True)
graph.set_bgcolor("#00000000") # transparent background
objstore = repo.object_store
seen = set()
# walk everything in the object store. (this means orphaned nodes will show.)
for sha in objstore:
if not options.blobs and objstore[sha].type_name in ("blob", "tree"):
continue
walk_node(objstore, seen, sha, options)
for ref in repo.refs.keys():
if ref == "HEAD":
continue # TODO: let this loop handle symbolic refs too
branch_node = add_branch_node(ref)
graph.add_edge(pydot.Edge(branch_node, repo.refs[ref], **edge_opts(style="dotted")))
# do HEAD as a special case
ref = "HEAD"
nopts = node_opts(
label=ref, shape="diamond", style="filled", fillcolor="#ff3333", fontcolor="white", tooltip="Symbolic Ref: HEAD"
)
head_node = pydot.Node(ref, **nopts)
graph.add_node(head_node)
symref = repo.refs.read_ref(ref)
if symref.startswith("ref: "):
symref = symref[5:]
points_to = add_branch_node(symref)
graph.add_node(points_to)
graph.add_edge(pydot.Edge(head_node, add_branch_node(symref), **edge_opts(style="dotted")))
# index
if options.index:
try:
head_tree = repo["HEAD"].tree
except KeyError:
head_tree = None
index = repo.open_index()
try:
changes = list(index.changes_from_tree(objstore, head_tree))
except TypeError:
# the official dulwich repo throws a TypeError changes_from_tree is
# called against an empty tree (None)
if head_tree is not None:
raise
changes = []
if changes:
index_node = pydot.Node(
"index",
shape="invtriangle",
style="filled",
fillcolor="#33ff33",
fontname=DEFAULT_FONTNAME,
fontsize=DEFAULT_FONTSIZE,
)
graph.add_node(index_node)
for (oldpath, newpath), (oldmode, newmode), (oldsha, newsha) in changes:
graph.add_edge(
pydot.Edge(
index_node,
vert_for_sha(objstore, newsha),
label=q(" " + newpath),
fontname=DEFAULT_FONTNAME,
fontsize=DEFAULT_FONTSIZE,
)
)
# invoke dot -Txdot to turn out DOT file into an xdot file, which canviz is expecting
subprocess.Popen(["dot", "-Txdot"], stdin=subprocess.PIPE).communicate(graph.to_string())
