def split(opt, files, parent, out, pack_writer): # Hack around lack of nonlocal vars in python 2 total_bytes = [0] def prog(filenum, nbytes): total_bytes[0] += nbytes if filenum > 0: qprogress('Splitting: file #%d, %d kbytes\r' % (filenum + 1, total_bytes[0] // 1024)) else: qprogress('Splitting: %d kbytes\r' % (total_bytes[0] // 1024)) new_blob = pack_writer.new_blob new_tree = pack_writer.new_tree if opt.blobs: shalist = hashsplit.split_to_blobs(new_blob, files, keep_boundaries=opt.keep_boundaries, progress=prog) for sha, size, level in shalist: out.write(hexlify(sha) + b'\n') reprogress() elif opt.tree or opt.commit or opt.name: if opt.name: # insert dummy_name which may be used as a restore target mode, sha = \ hashsplit.split_to_blob_or_tree(new_blob, new_tree, files, keep_boundaries=opt.keep_boundaries, progress=prog) splitfile_name = git.mangle_name(b'data', hashsplit.GIT_MODE_FILE, mode) shalist = [(mode, splitfile_name, sha)] else: shalist = \ hashsplit.split_to_shalist(new_blob, new_tree, files, keep_boundaries=opt.keep_boundaries, progress=prog) tree = new_tree(shalist) else: last = 0 it = hashsplit.hashsplit_iter(files, keep_boundaries=opt.keep_boundaries, progress=prog) for blob, level in it: hashsplit.total_split += len(blob) if opt.copy: sys.stdout.write(str(blob)) megs = hashsplit.total_split // 1024 // 1024 if not opt.quiet and last != megs: last = megs if opt.verbose: log('\n') if opt.tree: out.write(hexlify(tree) + b'\n') commit = None if opt.commit or opt.name: msg = b'bup split\n\nGenerated by command:\n%r\n' % compat.get_argvb() userline = b'%s <%s@%s>' % (userfullname(), username(), hostname()) commit = pack_writer.new_commit(tree, parent, userline, opt.date, None, userline, opt.date, None, msg) if opt.commit: out.write(hexlify(commit) + b'\n') return commit
def main(argv): o = options.Options(optspec) opt, flags, extra = o.parse_bytes(argv[1:]) if opt.name: opt.name = argv_bytes(opt.name) if opt.remote: opt.remote = argv_bytes(opt.remote) if opt.verbose is None: opt.verbose = 0 if not (opt.blobs or opt.tree or opt.commit or opt.name or opt.noop or opt.copy): o.fatal("use one or more of -b, -t, -c, -n, --noop, --copy") if opt.copy and (opt.blobs or opt.tree): o.fatal('--copy is incompatible with -b, -t') if (opt.noop or opt.copy) and (opt.commit or opt.name): o.fatal('--noop and --copy are incompatible with -c, -n') if opt.blobs and (opt.tree or opt.commit or opt.name): o.fatal('-b is incompatible with -t, -c, -n') if extra and opt.git_ids: o.fatal("don't provide filenames when using --git-ids") if opt.verbose >= 2: git.verbose = opt.verbose - 1 opt.bench = 1 max_pack_size = None if opt.max_pack_size: max_pack_size = parse_num(opt.max_pack_size) max_pack_objects = None if opt.max_pack_objects: max_pack_objects = parse_num(opt.max_pack_objects) if opt.fanout: hashsplit.fanout = parse_num(opt.fanout) if opt.blobs: hashsplit.fanout = 0 if opt.bwlimit: client.bwlimit = parse_num(opt.bwlimit) if opt.date: date = parse_date_or_fatal(opt.date, o.fatal) else: date = time.time() # Hack around lack of nonlocal vars in python 2 total_bytes = [0] def prog(filenum, nbytes): total_bytes[0] += nbytes if filenum > 0: qprogress('Splitting: file #%d, %d kbytes\r' % (filenum + 1, total_bytes[0] // 1024)) else: qprogress('Splitting: %d kbytes\r' % (total_bytes[0] // 1024)) is_reverse = environ.get(b'BUP_SERVER_REVERSE') if is_reverse and opt.remote: o.fatal("don't use -r in reverse mode; it's automatic") start_time = time.time() if opt.name and not valid_save_name(opt.name): o.fatal("'%r' is not a valid branch name." % opt.name) refname = opt.name and b'refs/heads/%s' % opt.name or None if opt.noop or opt.copy: cli = pack_writer = oldref = None elif opt.remote or is_reverse: git.check_repo_or_die() cli = client.Client(opt.remote) oldref = refname and cli.read_ref(refname) or None pack_writer = cli.new_packwriter(compression_level=opt.compress, max_pack_size=max_pack_size, max_pack_objects=max_pack_objects) else: git.check_repo_or_die() cli = None oldref = refname and git.read_ref(refname) or None pack_writer = git.PackWriter(compression_level=opt.compress, max_pack_size=max_pack_size, max_pack_objects=max_pack_objects) input = byte_stream(sys.stdin) if opt.git_ids: # the input is actually a series of git object ids that we should retrieve # and split. # # This is a bit messy, but basically it converts from a series of # CatPipe.get() iterators into a series of file-type objects. # It would be less ugly if either CatPipe.get() returned a file-like object # (not very efficient), or split_to_shalist() expected an iterator instead # of a file. cp = git.CatPipe() class IterToFile: def __init__(self, it): self.it = iter(it) def read(self, size): v = next(self.it, None) return v or b'' def read_ids(): while 1: line = input.readline() if not line: break if line: line = line.strip() try: it = cp.get(line.strip()) next(it, None) # skip the file info except KeyError as e: add_error('error: %s' % e) continue yield IterToFile(it) files = read_ids() else: # the input either comes from a series of files or from stdin. files = extra and (open(argv_bytes(fn), 'rb') for fn in extra) or [input] if pack_writer: new_blob = pack_writer.new_blob new_tree = pack_writer.new_tree elif opt.blobs or opt.tree: # --noop mode new_blob = lambda content: git.calc_hash(b'blob', content) new_tree = lambda shalist: git.calc_hash(b'tree', git.tree_encode(shalist)) sys.stdout.flush() out = byte_stream(sys.stdout) if opt.blobs: shalist = hashsplit.split_to_blobs(new_blob, files, keep_boundaries=opt.keep_boundaries, progress=prog) for (sha, size, level) in shalist: out.write(hexlify(sha) + b'\n') reprogress() elif opt.tree or opt.commit or opt.name: if opt.name: # insert dummy_name which may be used as a restore target mode, sha = \ hashsplit.split_to_blob_or_tree(new_blob, new_tree, files, keep_boundaries=opt.keep_boundaries, progress=prog) splitfile_name = git.mangle_name(b'data', hashsplit.GIT_MODE_FILE, mode) shalist = [(mode, splitfile_name, sha)] else: shalist = hashsplit.split_to_shalist( new_blob, new_tree, files, keep_boundaries=opt.keep_boundaries, progress=prog) tree = new_tree(shalist) else: last = 0 it = hashsplit.hashsplit_iter(files, keep_boundaries=opt.keep_boundaries, progress=prog) for (blob, level) in it: hashsplit.total_split += len(blob) if opt.copy: sys.stdout.write(str(blob)) megs = hashsplit.total_split // 1024 // 1024 if not opt.quiet and last != megs: last = megs if opt.verbose: log('\n') if opt.tree: out.write(hexlify(tree) + b'\n') if opt.commit or opt.name: msg = b'bup split\n\nGenerated by command:\n%r\n' % compat.get_argvb() ref = opt.name and (b'refs/heads/%s' % opt.name) or None userline = b'%s <%s@%s>' % (userfullname(), username(), hostname()) commit = pack_writer.new_commit(tree, oldref, userline, date, None, userline, date, None, msg) if opt.commit: out.write(hexlify(commit) + b'\n') if pack_writer: pack_writer.close() # must close before we can update the ref if opt.name: if cli: cli.update_ref(refname, commit, oldref) else: git.update_ref(refname, commit, oldref) if cli: cli.close() secs = time.time() - start_time size = hashsplit.total_split if opt.bench: log('bup: %.2f kbytes in %.2f secs = %.2f kbytes/sec\n' % (size / 1024, secs, size / 1024 / secs)) if saved_errors: log('WARNING: %d errors encountered while saving.\n' % len(saved_errors)) sys.exit(1)
except KeyError as e: add_error('error: %s' % e) continue yield IterToFile(it) files = read_ids() else: # the input either comes from a series of files or from stdin. files = extra and (open(fn) for fn in extra) or [sys.stdin] if pack_writer and opt.blobs: shalist = hashsplit.split_to_blobs(pack_writer.new_blob, files, keep_boundaries=opt.keep_boundaries, progress=prog) for (sha, size, level) in shalist: print sha.encode('hex') reprogress() elif pack_writer: # tree or commit or name if opt.name: # insert dummy_name which may be used as a restore target mode, sha = \ hashsplit.split_to_blob_or_tree(pack_writer.new_blob, pack_writer.new_tree, files, keep_boundaries=opt.keep_boundaries, progress=prog) splitfile_name = git.mangle_name('data', hashsplit.GIT_MODE_FILE, mode) shalist = [(mode, splitfile_name, sha)] else: shalist = hashsplit.split_to_shalist( pack_writer.new_blob, pack_writer.new_tree, files, keep_boundaries=opt.keep_boundaries, progress=prog) tree = pack_writer.new_tree(shalist)
continue yield IterToFile(it) files = read_ids() else: # the input either comes from a series of files or from stdin. files = extra and (open(fn) for fn in extra) or [sys.stdin] if pack_writer and opt.blobs: shalist = hashsplit.split_to_blobs(pack_writer.new_blob, files, keep_boundaries=opt.keep_boundaries, progress=prog) for (sha, size, level) in shalist: print sha.encode('hex') reprogress() elif pack_writer: # tree or commit or name if opt.name: # insert dummy_name which may be used as a restore target mode, sha = \ hashsplit.split_to_blob_or_tree(pack_writer.new_blob, pack_writer.new_tree, files, keep_boundaries=opt.keep_boundaries, progress=prog) splitfile_name = git.mangle_name('data', hashsplit.GIT_MODE_FILE, mode) shalist = [(mode, splitfile_name, sha)] else: shalist = hashsplit.split_to_shalist( pack_writer.new_blob, pack_writer.new_tree, files,
def main(argv): o = options.Options(optspec) opt, flags, extra = o.parse_bytes(argv[1:]) if opt.name: opt.name = argv_bytes(opt.name) if opt.verbose is None: opt.verbose = 0 if not (opt.blobs or opt.tree or opt.commit or opt.name or opt.noop or opt.copy): o.fatal("use one or more of -b, -t, -c, -n, --noop, --copy") if opt.copy and (opt.blobs or opt.tree): o.fatal('--copy is incompatible with -b, -t') if (opt.noop or opt.copy) and (opt.commit or opt.name): o.fatal('--noop and --copy are incompatible with -c, -n') if opt.blobs and (opt.tree or opt.commit or opt.name): o.fatal('-b is incompatible with -t, -c, -n') if extra and opt.git_ids: o.fatal("don't provide filenames when using --git-ids") if opt.verbose >= 2: git.verbose = opt.verbose - 1 opt.bench = 1 fanout = None if opt.fanout: # This used to be in hashsplit, but that's just confusing; # hashsplit now defaults to the real default (16) if 0 (or # None) is passed, but keep the command-line compatible... fanout = parse_num(opt.fanout) or 128 blobbits = None if opt.blobbits: blobbits = parse_num(opt.blobbits) if opt.bwlimit: client.bwlimit = parse_num(opt.bwlimit) if opt.date: date = parse_date_or_fatal(opt.date, o.fatal) else: date = time.time() # Hack around lack of nonlocal vars in python 2 total_bytes = [0] def prog(filenum, nbytes): total_bytes[0] += nbytes if filenum > 0: qprogress('Splitting: file #%d, %d kbytes\r' % (filenum + 1, total_bytes[0] // 1024)) else: qprogress('Splitting: %d kbytes\r' % (total_bytes[0] // 1024)) start_time = time.time() if opt.name and not valid_save_name(opt.name): o.fatal("'%r' is not a valid branch name." % opt.name) refname = opt.name and b'refs/heads/%s' % opt.name or None if opt.noop or opt.copy: repo = oldref = None else: repo = from_opts(opt) oldref = refname and repo.read_ref(refname) or None repobits = repo.config(b'bup.blobbits', opttype='int') or hashsplit.BUP_BLOBBITS if not blobbits: blobbits = repobits else: print("overriding repo blobbits %d from cmdline with %d" % (repobits, blobbits)) input = byte_stream(sys.stdin) if opt.git_ids: # the input is actually a series of git object ids that we should retrieve # and split. # # This is a bit messy, but basically it converts from a series of # repo.cat() iterators into a series of file-type objects. # It would be less ugly if either repo.cat() returned a file-like object # (not very efficient), or split_to_shalist() expected an iterator instead # of a file. class IterToFile: def __init__(self, it): self.it = iter(it) def read(self, size): v = next(self.it, None) return v or b'' def read_ids(): while 1: line = input.readline() if not line: break if line: line = line.strip() try: it = repo.cat(line.strip()) next(it, None) # skip the file info except KeyError as e: add_error('error: %s' % e) continue yield IterToFile(it) files = read_ids() else: # the input either comes from a series of files or from stdin. files = extra and (open(argv_bytes(fn), 'rb') for fn in extra) or [input] if repo: write_data = repo.write_data write_tree = repo.write_tree elif opt.blobs or opt.tree: # --noop mode write_data = lambda content: git.calc_hash(b'blob', content) write_tree = lambda shalist: git.calc_hash(b'tree', git.tree_encode(shalist)) sys.stdout.flush() out = byte_stream(sys.stdout) if opt.blobs: shalist = hashsplit.split_to_blobs(write_data, files, keep_boundaries=opt.keep_boundaries, progress=prog, blobbits=blobbits) for (sha, size, level) in shalist: out.write(hexlify(sha) + b'\n') reprogress() elif opt.tree or opt.commit or opt.name: if opt.name: # insert dummy_name which may be used as a restore target mode, sha = \ hashsplit.split_to_blob_or_tree(write_data, write_tree, files, keep_boundaries=opt.keep_boundaries, progress=prog, fanout=fanout, blobbits=blobbits) splitfile_name = git.mangle_name(b'data', hashsplit.GIT_MODE_FILE, mode) shalist = [(mode, splitfile_name, sha)] else: shalist = hashsplit.split_to_shalist( write_data, write_tree, files, keep_boundaries=opt.keep_boundaries, progress=prog, fanout=fanout, blobbits=blobbits) tree = write_tree(shalist) else: last = 0 it = hashsplit.hashsplit_iter(files, keep_boundaries=opt.keep_boundaries, progress=prog, fanout=fanout, blobbits=blobbits) for (blob, level) in it: hashsplit.total_split += len(blob) if opt.copy: sys.stdout.write(str(blob)) megs = hashsplit.total_split // 1024 // 1024 if not opt.quiet and last != megs: last = megs if opt.verbose: log('\n') if opt.tree: out.write(hexlify(tree) + b'\n') if opt.commit or opt.name: msg = b'bup split\n\nGenerated by command:\n%r\n' % compat.get_argvb() ref = opt.name and (b'refs/heads/%s' % opt.name) or None userline = b'%s <%s@%s>' % (userfullname(), username(), hostname()) commit = repo.write_commit(tree, oldref, userline, date, None, userline, date, None, msg) if opt.commit: out.write(hexlify(commit) + b'\n') if opt.name and repo: repo.update_ref(refname, commit, oldref) if repo: repo.close() secs = time.time() - start_time size = hashsplit.total_split if opt.bench: log('bup: %.2f kbytes in %.2f secs = %.2f kbytes/sec\n' % (size / 1024, secs, size / 1024 / secs)) if saved_errors: log('WARNING: %d errors encountered while saving.\n' % len(saved_errors)) sys.exit(1)