def new(cls, repo, *tree_sha): """ Merge the given treeish revisions into a new index which is returned. This method behaves like git-read-tree --aggressive when doing the merge. :param repo: The repository treeish are located in. :param tree_sha: 20 byte or 40 byte tree sha or tree objects :return: New IndexFile instance. Its path will be undefined. If you intend to write such a merged Index, supply an alternate file_path to its 'write' method.""" base_entries = aggressive_tree_merge(repo.odb, [to_bin_sha(str(t)) for t in tree_sha]) inst = cls(repo) # convert to entries dict entries = dict(izip(((e.path, e.stage) for e in base_entries), (IndexEntry.from_base(e) for e in base_entries))) inst.entries = entries return inst
def add(self, items, force=True, fprogress=lambda *args: None, path_rewriter=None, write=True): """Add files from the working tree, specific blobs or BaseIndexEntries to the index. :param items: Multiple types of items are supported, types can be mixed within one call. Different types imply a different handling. File paths may generally be relative or absolute. - path string strings denote a relative or absolute path into the repository pointing to an existing file, i.e. CHANGES, lib/myfile.ext, '/home/gitrepo/lib/myfile.ext'. Paths provided like this must exist. When added, they will be written into the object database. PathStrings may contain globs, such as 'lib/__init__*' or can be directories like 'lib', the latter ones will add all the files within the dirctory and subdirectories. This equals a straight git-add. They are added at stage 0 - Blob or Submodule object Blobs are added as they are assuming a valid mode is set. The file they refer to may or may not exist in the file system, but must be a path relative to our repository. If their sha is null ( 40*0 ), their path must exist in the file system relative to the git repository as an object will be created from the data at the path. The handling now very much equals the way string paths are processed, except that the mode you have set will be kept. This allows you to create symlinks by settings the mode respectively and writing the target of the symlink directly into the file. This equals a default Linux-Symlink which is not dereferenced automatically, except that it can be created on filesystems not supporting it as well. Please note that globs or directories are not allowed in Blob objects. They are added at stage 0 - BaseIndexEntry or type Handling equals the one of Blob objects, but the stage may be explicitly set. Please note that Index Entries require binary sha's. :param force: **CURRENTLY INEFFECTIVE** If True, otherwise ignored or excluded files will be added anyway. As opposed to the git-add command, we enable this flag by default as the API user usually wants the item to be added even though they might be excluded. :param fprogress: Function with signature f(path, done=False, item=item) called for each path to be added, one time once it is about to be added where done==False and once after it was added where done=True. item is set to the actual item we handle, either a Path or a BaseIndexEntry Please note that the processed path is not guaranteed to be present in the index already as the index is currently being processed. :param path_rewriter: Function with signature (string) func(BaseIndexEntry) function returning a path for each passed entry which is the path to be actually recorded for the object created from entry.path. This allows you to write an index which is not identical to the layout of the actual files on your hard-disk. If not None and ``items`` contain plain paths, these paths will be converted to Entries beforehand and passed to the path_rewriter. Please note that entry.path is relative to the git repository. :param write: If True, the index will be written once it was altered. Otherwise the changes only exist in memory and are not available to git commands. :return: List(BaseIndexEntries) representing the entries just actually added. :raise OSError: if a supplied Path did not exist. Please note that BaseIndexEntry Objects that do not have a null sha will be added even if their paths do not exist. """ # sort the entries into strings and Entries, Blobs are converted to entries # automatically # paths can be git-added, for everything else we use git-update-index entries_added = list() paths, entries = self._preprocess_add_items(items) if paths and path_rewriter: for path in paths: abspath = os.path.abspath(path) gitrelative_path = abspath[len(self.repo.working_tree_dir) + 1:] blob = Blob(self.repo, Blob.NULL_BIN_SHA, stat_mode_to_index_mode(os.stat(abspath).st_mode), to_native_path_linux(gitrelative_path)) entries.append(BaseIndexEntry.from_blob(blob)) # END for each path del (paths[:]) # END rewrite paths def store_path(filepath): """Store file at filepath in the database and return the base index entry""" st = os.lstat(filepath) # handles non-symlinks as well stream = None if S_ISLNK(st.st_mode): stream = StringIO(os.readlink(filepath)) else: stream = open(filepath, 'rb') # END handle stream fprogress(filepath, False, filepath) istream = self.repo.odb.store( IStream(Blob.type, st.st_size, stream)) fprogress(filepath, True, filepath) return BaseIndexEntry( (stat_mode_to_index_mode(st.st_mode), istream.binsha, 0, to_native_path_linux(filepath))) # END utility method # HANDLE PATHS if paths: assert len(entries_added) == 0 added_files = list() for filepath in self._iter_expand_paths(paths): entries_added.append(store_path(filepath)) # END for each filepath # END path handling # HANDLE ENTRIES if entries: null_mode_entries = [e for e in entries if e.mode == 0] if null_mode_entries: raise ValueError( "At least one Entry has a null-mode - please use index.remove to remove files for clarity" ) # END null mode should be remove # HANLDE ENTRY OBJECT CREATION # create objects if required, otherwise go with the existing shas null_entries_indices = [ i for i, e in enumerate(entries) if e.binsha == Object.NULL_BIN_SHA ] if null_entries_indices: for ei in null_entries_indices: null_entry = entries[ei] new_entry = store_path(null_entry.path) # update null entry entries[ei] = BaseIndexEntry( (null_entry.mode, new_entry.binsha, null_entry.stage, null_entry.path)) # END for each entry index # END null_entry handling # REWRITE PATHS # If we have to rewrite the entries, do so now, after we have generated # all object sha's if path_rewriter: for i, e in enumerate(entries): entries[i] = BaseIndexEntry( (e.mode, e.binsha, e.stage, path_rewriter(e))) # END for each entry # END handle path rewriting # just go through the remaining entries and provide progress info for i, entry in enumerate(entries): progress_sent = i in null_entries_indices if not progress_sent: fprogress(entry.path, False, entry) fprogress(entry.path, True, entry) # END handle progress # END for each enty entries_added.extend(entries) # END if there are base entries # FINALIZE # add the new entries to this instance for entry in entries_added: self.entries[(entry.path, 0)] = IndexEntry.from_base(entry) if write: self.write() # END handle write return entries_added
def add(self, items, force=True, fprogress=lambda *args: None, path_rewriter=None, write=True): """Add files from the working tree, specific blobs or BaseIndexEntries to the index. :param items: Multiple types of items are supported, types can be mixed within one call. Different types imply a different handling. File paths may generally be relative or absolute. - path string strings denote a relative or absolute path into the repository pointing to an existing file, i.e. CHANGES, lib/myfile.ext, '/home/gitrepo/lib/myfile.ext'. Paths provided like this must exist. When added, they will be written into the object database. PathStrings may contain globs, such as 'lib/__init__*' or can be directories like 'lib', the latter ones will add all the files within the dirctory and subdirectories. This equals a straight git-add. They are added at stage 0 - Blob or Submodule object Blobs are added as they are assuming a valid mode is set. The file they refer to may or may not exist in the file system, but must be a path relative to our repository. If their sha is null ( 40*0 ), their path must exist in the file system relative to the git repository as an object will be created from the data at the path. The handling now very much equals the way string paths are processed, except that the mode you have set will be kept. This allows you to create symlinks by settings the mode respectively and writing the target of the symlink directly into the file. This equals a default Linux-Symlink which is not dereferenced automatically, except that it can be created on filesystems not supporting it as well. Please note that globs or directories are not allowed in Blob objects. They are added at stage 0 - BaseIndexEntry or type Handling equals the one of Blob objects, but the stage may be explicitly set. Please note that Index Entries require binary sha's. :param force: **CURRENTLY INEFFECTIVE** If True, otherwise ignored or excluded files will be added anyway. As opposed to the git-add command, we enable this flag by default as the API user usually wants the item to be added even though they might be excluded. :param fprogress: Function with signature f(path, done=False, item=item) called for each path to be added, one time once it is about to be added where done==False and once after it was added where done=True. item is set to the actual item we handle, either a Path or a BaseIndexEntry Please note that the processed path is not guaranteed to be present in the index already as the index is currently being processed. :param path_rewriter: Function with signature (string) func(BaseIndexEntry) function returning a path for each passed entry which is the path to be actually recorded for the object created from entry.path. This allows you to write an index which is not identical to the layout of the actual files on your hard-dist. If not None and ``items`` contain plain paths, these paths will be converted to Entries beforehand and passed to the path_rewriter. Please note that entry.path is relative to the git repository. :param write: If True, the index will be written once it was altered. Otherwise the changes only exist in memory and are not available to git commands. :return: List(BaseIndexEntries) representing the entries just actually added. :raise OSError: if a supplied Path did not exist. Please note that BaseIndexEntry Objects that do not have a null sha will be added even if their paths do not exist. """ # sort the entries into strings and Entries, Blobs are converted to entries # automatically # paths can be git-added, for everything else we use git-update-index entries_added = list() paths, entries = self._preprocess_add_items(items) if paths and path_rewriter: for path in paths: abspath = os.path.abspath(path) gitrelative_path = abspath[len(self.repo.working_tree_dir)+1:] blob = Blob(self.repo, Blob.NULL_BIN_SHA, stat_mode_to_index_mode(os.stat(abspath).st_mode), to_native_path_linux(gitrelative_path)) entries.append(BaseIndexEntry.from_blob(blob)) # END for each path del(paths[:]) # END rewrite paths def store_path(filepath): """Store file at filepath in the database and return the base index entry""" st = os.lstat(filepath) # handles non-symlinks as well stream = None if S_ISLNK(st.st_mode): stream = StringIO(os.readlink(filepath)) else: stream = open(filepath, 'rb') # END handle stream fprogress(filepath, False, filepath) istream = self.repo.odb.store(IStream(Blob.type, st.st_size, stream)) fprogress(filepath, True, filepath) return BaseIndexEntry((stat_mode_to_index_mode(st.st_mode), istream.binsha, 0, to_native_path_linux(filepath))) # END utility method # HANDLE PATHS if paths: assert len(entries_added) == 0 added_files = list() for filepath in self._iter_expand_paths(paths): entries_added.append(store_path(filepath)) # END for each filepath # END path handling # HANDLE ENTRIES if entries: null_mode_entries = [ e for e in entries if e.mode == 0 ] if null_mode_entries: raise ValueError("At least one Entry has a null-mode - please use index.remove to remove files for clarity") # END null mode should be remove # HANLDE ENTRY OBJECT CREATION # create objects if required, otherwise go with the existing shas null_entries_indices = [ i for i,e in enumerate(entries) if e.binsha == Object.NULL_BIN_SHA ] if null_entries_indices: for ei in null_entries_indices: null_entry = entries[ei] new_entry = store_path(null_entry.path) # update null entry entries[ei] = BaseIndexEntry((null_entry.mode, new_entry.binsha, null_entry.stage, null_entry.path)) # END for each entry index # END null_entry handling # REWRITE PATHS # If we have to rewrite the entries, do so now, after we have generated # all object sha's if path_rewriter: for i,e in enumerate(entries): entries[i] = BaseIndexEntry((e.mode, e.binsha, e.stage, path_rewriter(e))) # END for each entry # END handle path rewriting # just go through the remaining entries and provide progress info for i, entry in enumerate(entries): progress_sent = i in null_entries_indices if not progress_sent: fprogress(entry.path, False, entry) fprogress(entry.path, True, entry) # END handle progress # END for each enty entries_added.extend(entries) # END if there are base entries # FINALIZE # add the new entries to this instance for entry in entries_added: self.entries[(entry.path, 0)] = IndexEntry.from_base(entry) if write: self.write() # END handle write return entries_added