-#!/bin/sh
-"""": # -*-python-*-
-# https://sourceware.org/bugzilla/show_bug.cgi?id=26034
-export "BUP_ARGV_0"="$0"
-arg_i=1
-for arg in "$@"; do
- export "BUP_ARGV_${arg_i}"="$arg"
- shift
- arg_i=$((arg_i + 1))
-done
-# Here to end of preamble replaced during install
-bup_python="$(dirname "$0")/../../../config/bin/python" || exit $?
-exec "$bup_python" "$0"
-"""
-# end of bup preamble
-
from __future__ import absolute_import, print_function
-# Intentionally replace the dirname "$0" that python prepends
-import os, sys
-sys.path[0] = os.path.dirname(os.path.realpath(__file__)) + '/../..'
-
from binascii import hexlify
-import errno, re, stat, time
+import errno, os, stat, sys, time
-from bup import compat, metadata, options, git, index, drecurse, hlinkdb
+from bup import metadata, options, git, index, hlinkdb
from bup.compat import argv_bytes
from bup.drecurse import recursive_dirlist
-from bup.hashsplit import GIT_MODE_TREE, GIT_MODE_FILE
+from bup.hashsplit import GIT_MODE_FILE
from bup.helpers import (add_error, handle_ctrl_c, log, parse_excludes, parse_rx_excludes,
progress, qprogress, saved_errors)
from bup.io import byte_stream, path_msg
next = __next__
-def check_index(reader):
+def check_index(reader, verbose):
try:
log('check: checking forward iteration...\n')
e = None
d = {}
for e in reader.forward_iter():
if e.children_n:
- if opt.verbose:
+ if verbose:
log('%08x+%-4d %r\n' % (e.children_ofs, e.children_n,
path_msg(e.name)))
assert(e.children_ofs)
log('check: passed.\n')
-def clear_index(indexfile):
+def clear_index(indexfile, verbose):
indexfiles = [indexfile, indexfile + b'.meta', indexfile + b'.hlink']
for indexfile in indexfiles:
try:
os.remove(indexfile)
- if opt.verbose:
+ if verbose:
log('clear: removed %s\n' % path_msg(indexfile))
except OSError as e:
if e.errno != errno.ENOENT:
raise
-def update_index(top, excluded_paths, exclude_rxs, xdev_exceptions, out=None):
+def update_index(top, excluded_paths, exclude_rxs, indexfile,
+ check=False, check_device=True,
+ xdev=False, xdev_exceptions=frozenset(),
+ fake_valid=False, fake_invalid=False,
+ out=None, verbose=0):
# tmax must be epoch nanoseconds.
tmax = (time.time() - 1) * 10**9
- ri = index.Reader(indexfile)
- msw = index.MetaStoreWriter(indexfile + b'.meta')
- wi = index.Writer(indexfile, msw, tmax)
- rig = IterHelper(ri.iter(name=top))
-
- hlinks = hlinkdb.HLinkDB(indexfile + b'.hlink')
-
- fake_hash = None
- if opt.fake_valid:
- def fake_hash(name):
- return (GIT_MODE_FILE, index.FAKE_SHA)
-
- total = 0
- bup_dir = os.path.abspath(git.repo())
- index_start = time.time()
- for path, pst in recursive_dirlist([top],
- xdev=opt.xdev,
- bup_dir=bup_dir,
- excluded_paths=excluded_paths,
- exclude_rxs=exclude_rxs,
- xdev_exceptions=xdev_exceptions):
- if opt.verbose>=2 or (opt.verbose==1 and stat.S_ISDIR(pst.st_mode)):
- out.write(b'%s\n' % path)
- out.flush()
- elapsed = time.time() - index_start
- paths_per_sec = total / elapsed if elapsed else 0
- qprogress('Indexing: %d (%d paths/s)\r' % (total, paths_per_sec))
- elif not (total % 128):
- elapsed = time.time() - index_start
- paths_per_sec = total / elapsed if elapsed else 0
- qprogress('Indexing: %d (%d paths/s)\r' % (total, paths_per_sec))
- total += 1
-
- while rig.cur and rig.cur.name > path: # deleted paths
- if rig.cur.exists():
- rig.cur.set_deleted()
- rig.cur.repack()
- if rig.cur.nlink > 1 and not stat.S_ISDIR(rig.cur.mode):
- hlinks.del_path(rig.cur.name)
- rig.next()
-
- if rig.cur and rig.cur.name == path: # paths that already existed
- need_repack = False
- if(rig.cur.stale(pst, check_device=opt.check_device)):
+
+ with index.MetaStoreWriter(indexfile + b'.meta') as msw, \
+ hlinkdb.HLinkDB(indexfile + b'.hlink') as hlinks, \
+ index.Writer(indexfile, msw, tmax) as wi, \
+ index.Reader(indexfile) as ri:
+
+ rig = IterHelper(ri.iter(name=top))
+
+ fake_hash = None
+ if fake_valid:
+ def fake_hash(name):
+ return (GIT_MODE_FILE, index.FAKE_SHA)
+
+ total = 0
+ bup_dir = os.path.abspath(git.repo())
+ index_start = time.time()
+ for path, pst in recursive_dirlist([top],
+ xdev=xdev,
+ bup_dir=bup_dir,
+ excluded_paths=excluded_paths,
+ exclude_rxs=exclude_rxs,
+ xdev_exceptions=xdev_exceptions):
+ if verbose>=2 or (verbose == 1 and stat.S_ISDIR(pst.st_mode)):
+ out.write(b'%s\n' % path)
+ out.flush()
+ elapsed = time.time() - index_start
+ paths_per_sec = total / elapsed if elapsed else 0
+ qprogress('Indexing: %d (%d paths/s)\r' % (total, paths_per_sec))
+ elif not (total % 128):
+ elapsed = time.time() - index_start
+ paths_per_sec = total / elapsed if elapsed else 0
+ qprogress('Indexing: %d (%d paths/s)\r' % (total, paths_per_sec))
+ total += 1
+
+ while rig.cur and rig.cur.name > path: # deleted paths
+ if rig.cur.exists():
+ rig.cur.set_deleted()
+ rig.cur.repack()
+ if rig.cur.nlink > 1 and not stat.S_ISDIR(rig.cur.mode):
+ hlinks.del_path(rig.cur.name)
+ rig.next()
+
+ if rig.cur and rig.cur.name == path: # paths that already existed
+ need_repack = False
+ if(rig.cur.stale(pst, check_device=check_device)):
+ try:
+ meta = metadata.from_path(path, statinfo=pst)
+ except (OSError, IOError) as e:
+ add_error(e)
+ rig.next()
+ continue
+ if not stat.S_ISDIR(rig.cur.mode) and rig.cur.nlink > 1:
+ hlinks.del_path(rig.cur.name)
+ if not stat.S_ISDIR(pst.st_mode) and pst.st_nlink > 1:
+ hlinks.add_path(path, pst.st_dev, pst.st_ino)
+ # Clear these so they don't bloat the store -- they're
+ # already in the index (since they vary a lot and they're
+ # fixed length). If you've noticed "tmax", you might
+ # wonder why it's OK to do this, since that code may
+ # adjust (mangle) the index mtime and ctime -- producing
+ # fake values which must not end up in a .bupm. However,
+ # it looks like that shouldn't be possible: (1) When
+ # "save" validates the index entry, it always reads the
+ # metadata from the filesytem. (2) Metadata is only
+ # read/used from the index if hashvalid is true. (3)
+ # "faked" entries will be stale(), and so we'll invalidate
+ # them below.
+ meta.ctime = meta.mtime = meta.atime = 0
+ meta_ofs = msw.store(meta)
+ rig.cur.update_from_stat(pst, meta_ofs)
+ rig.cur.invalidate()
+ need_repack = True
+ if not (rig.cur.flags & index.IX_HASHVALID):
+ if fake_hash:
+ if rig.cur.sha == index.EMPTY_SHA:
+ rig.cur.gitmode, rig.cur.sha = fake_hash(path)
+ rig.cur.flags |= index.IX_HASHVALID
+ need_repack = True
+ if fake_invalid:
+ rig.cur.invalidate()
+ need_repack = True
+ if need_repack:
+ rig.cur.repack()
+ rig.next()
+ else: # new paths
try:
meta = metadata.from_path(path, statinfo=pst)
except (OSError, IOError) as e:
add_error(e)
- rig.next()
continue
- if not stat.S_ISDIR(rig.cur.mode) and rig.cur.nlink > 1:
- hlinks.del_path(rig.cur.name)
+ # See same assignment to 0, above, for rationale.
+ meta.atime = meta.mtime = meta.ctime = 0
+ meta_ofs = msw.store(meta)
+ wi.add(path, pst, meta_ofs, hashgen=fake_hash)
if not stat.S_ISDIR(pst.st_mode) and pst.st_nlink > 1:
hlinks.add_path(path, pst.st_dev, pst.st_ino)
- # Clear these so they don't bloat the store -- they're
- # already in the index (since they vary a lot and they're
- # fixed length). If you've noticed "tmax", you might
- # wonder why it's OK to do this, since that code may
- # adjust (mangle) the index mtime and ctime -- producing
- # fake values which must not end up in a .bupm. However,
- # it looks like that shouldn't be possible: (1) When
- # "save" validates the index entry, it always reads the
- # metadata from the filesytem. (2) Metadata is only
- # read/used from the index if hashvalid is true. (3)
- # "faked" entries will be stale(), and so we'll invalidate
- # them below.
- meta.ctime = meta.mtime = meta.atime = 0
- meta_ofs = msw.store(meta)
- rig.cur.update_from_stat(pst, meta_ofs)
- rig.cur.invalidate()
- need_repack = True
- if not (rig.cur.flags & index.IX_HASHVALID):
- if fake_hash:
- if rig.cur.sha == index.EMPTY_SHA:
- rig.cur.gitmode, rig.cur.sha = fake_hash(path)
- rig.cur.flags |= index.IX_HASHVALID
- need_repack = True
- if opt.fake_invalid:
- rig.cur.invalidate()
- need_repack = True
- if need_repack:
- rig.cur.repack()
- rig.next()
- else: # new paths
- try:
- meta = metadata.from_path(path, statinfo=pst)
- except (OSError, IOError) as e:
- add_error(e)
- continue
- # See same assignment to 0, above, for rationale.
- meta.atime = meta.mtime = meta.ctime = 0
- meta_ofs = msw.store(meta)
- wi.add(path, pst, meta_ofs, hashgen=fake_hash)
- if not stat.S_ISDIR(pst.st_mode) and pst.st_nlink > 1:
- hlinks.add_path(path, pst.st_dev, pst.st_ino)
-
- elapsed = time.time() - index_start
- paths_per_sec = total / elapsed if elapsed else 0
- progress('Indexing: %d, done (%d paths/s).\n' % (total, paths_per_sec))
-
- hlinks.prepare_save()
-
- if ri.exists():
- ri.save()
- wi.flush()
- if wi.count:
- wr = wi.new_reader()
- if opt.check:
- log('check: before merging: oldfile\n')
- check_index(ri)
- log('check: before merging: newfile\n')
- check_index(wr)
- mi = index.Writer(indexfile, msw, tmax)
-
- for e in index.merge(ri, wr):
- # FIXME: shouldn't we remove deleted entries eventually? When?
- mi.add_ixentry(e)
-
- ri.close()
- mi.close()
- wr.close()
- wi.abort()
- else:
- wi.close()
- msw.close()
- hlinks.commit_save()
+ elapsed = time.time() - index_start
+ paths_per_sec = total / elapsed if elapsed else 0
+ progress('Indexing: %d, done (%d paths/s).\n' % (total, paths_per_sec))
+
+ hlinks.prepare_save()
+
+ if not ri.exists():
+ wi.close()
+ else:
+ ri.save()
+ wi.flush()
+ if wi.count:
+ with wi.new_reader() as wr:
+ if check:
+ log('check: before merging: oldfile\n')
+ check_index(ri, verbose)
+ log('check: before merging: newfile\n')
+ check_index(wr, verbose)
+ with index.Writer(indexfile, msw, tmax) as mi:
+ for e in index.merge(ri, wr):
+ # FIXME: shouldn't we remove deleted entries
+ # eventually? When?
+ mi.add_ixentry(e)
+ mi.close()
+
+ hlinks.commit_save()
optspec = """
v,verbose increase log output (can be used more than once)
x,xdev,one-file-system don't cross filesystem boundaries
"""
-o = options.Options(optspec)
-opt, flags, extra = o.parse(compat.argv[1:])
-
-if not (opt.modified or \
- opt['print'] or \
- opt.status or \
- opt.update or \
- opt.check or \
- opt.clear):
- opt.update = 1
-if (opt.fake_valid or opt.fake_invalid) and not opt.update:
- o.fatal('--fake-{in,}valid are meaningless without -u')
-if opt.fake_valid and opt.fake_invalid:
- o.fatal('--fake-valid is incompatible with --fake-invalid')
-if opt.clear and opt.indexfile:
- o.fatal('cannot clear an external index (via -f)')
-
-# FIXME: remove this once we account for timestamp races, i.e. index;
-# touch new-file; index. It's possible for this to happen quickly
-# enough that new-file ends up with the same timestamp as the first
-# index, and then bup will ignore it.
-tick_start = time.time()
-time.sleep(1 - (tick_start - int(tick_start)))
-
-git.check_repo_or_die()
-
-handle_ctrl_c()
-
-if opt.verbose is None:
- opt.verbose = 0
-
-if opt.indexfile:
- indexfile = argv_bytes(opt.indexfile)
-else:
- indexfile = git.repo(b'bupindex')
-
-if opt.check:
- log('check: starting initial check.\n')
- check_index(index.Reader(indexfile))
-
-if opt.clear:
- log('clear: clearing index.\n')
- clear_index(indexfile)
-
-sys.stdout.flush()
-out = byte_stream(sys.stdout)
-
-if opt.update:
- if not extra:
- o.fatal('update mode (-u) requested but no paths given')
- extra = [argv_bytes(x) for x in extra]
- excluded_paths = parse_excludes(flags, o.fatal)
- exclude_rxs = parse_rx_excludes(flags, o.fatal)
- xexcept = index.unique_resolved_paths(extra)
- for rp, path in index.reduce_paths(extra):
- update_index(rp, excluded_paths, exclude_rxs, xdev_exceptions=xexcept,
- out=out)
-
-if opt['print'] or opt.status or opt.modified:
- extra = [argv_bytes(x) for x in extra]
- for name, ent in index.Reader(indexfile).filter(extra or [b'']):
- if (opt.modified
- and (ent.is_valid() or ent.is_deleted() or not ent.mode)):
- continue
- line = b''
- if opt.status:
- if ent.is_deleted():
- line += b'D '
- elif not ent.is_valid():
- if ent.sha == index.EMPTY_SHA:
- line += b'A '
- else:
- line += b'M '
- else:
- line += b' '
- if opt.hash:
- line += hexlify(ent.sha) + b' '
- if opt.long:
- line += b'%7s %7s ' % (oct(ent.mode).encode('ascii'),
- oct(ent.gitmode).encode('ascii'))
- out.write(line + (name or b'./') + b'\n')
-
-if opt.check and (opt['print'] or opt.status or opt.modified or opt.update):
- log('check: starting final check.\n')
- check_index(index.Reader(indexfile))
-
-if saved_errors:
- log('WARNING: %d errors encountered.\n' % len(saved_errors))
- sys.exit(1)
+
+def main(argv):
+ o = options.Options(optspec)
+ opt, flags, extra = o.parse_bytes(argv[1:])
+
+ if not (opt.modified or \
+ opt['print'] or \
+ opt.status or \
+ opt.update or \
+ opt.check or \
+ opt.clear):
+ opt.update = 1
+ if (opt.fake_valid or opt.fake_invalid) and not opt.update:
+ o.fatal('--fake-{in,}valid are meaningless without -u')
+ if opt.fake_valid and opt.fake_invalid:
+ o.fatal('--fake-valid is incompatible with --fake-invalid')
+ if opt.clear and opt.indexfile:
+ o.fatal('cannot clear an external index (via -f)')
+
+ # FIXME: remove this once we account for timestamp races, i.e. index;
+ # touch new-file; index. It's possible for this to happen quickly
+ # enough that new-file ends up with the same timestamp as the first
+ # index, and then bup will ignore it.
+ tick_start = time.time()
+ time.sleep(1 - (tick_start - int(tick_start)))
+
+ git.check_repo_or_die()
+
+ handle_ctrl_c()
+
+ if opt.verbose is None:
+ opt.verbose = 0
+
+ if opt.indexfile:
+ indexfile = argv_bytes(opt.indexfile)
+ else:
+ indexfile = git.repo(b'bupindex')
+
+ if opt.check:
+ log('check: starting initial check.\n')
+ with index.Reader(indexfile) as reader:
+ check_index(reader, opt.verbose)
+
+ if opt.clear:
+ log('clear: clearing index.\n')
+ clear_index(indexfile, opt.verbose)
+
+ sys.stdout.flush()
+ out = byte_stream(sys.stdout)
+
+ if opt.update:
+ if not extra:
+ o.fatal('update mode (-u) requested but no paths given')
+ extra = [argv_bytes(x) for x in extra]
+ excluded_paths = parse_excludes(flags, o.fatal)
+ exclude_rxs = parse_rx_excludes(flags, o.fatal)
+ xexcept = index.unique_resolved_paths(extra)
+ for rp, path in index.reduce_paths(extra):
+ update_index(rp, excluded_paths, exclude_rxs, indexfile,
+ check=opt.check, check_device=opt.check_device,
+ xdev=opt.xdev, xdev_exceptions=xexcept,
+ fake_valid=opt.fake_valid,
+ fake_invalid=opt.fake_invalid,
+ out=out, verbose=opt.verbose)
+
+ if opt['print'] or opt.status or opt.modified:
+ extra = [argv_bytes(x) for x in extra]
+ with index.Reader(indexfile) as reader:
+ for name, ent in reader.filter(extra or [b'']):
+ if (opt.modified
+ and (ent.is_valid() or ent.is_deleted() or not ent.mode)):
+ continue
+ line = b''
+ if opt.status:
+ if ent.is_deleted():
+ line += b'D '
+ elif not ent.is_valid():
+ if ent.sha == index.EMPTY_SHA:
+ line += b'A '
+ else:
+ line += b'M '
+ else:
+ line += b' '
+ if opt.hash:
+ line += hexlify(ent.sha) + b' '
+ if opt.long:
+ line += b'%7s %7s ' % (oct(ent.mode).encode('ascii'),
+ oct(ent.gitmode).encode('ascii'))
+ out.write(line + (name or b'./') + b'\n')
+
+ if opt.check and (opt['print'] or opt.status or opt.modified or opt.update):
+ log('check: starting final check.\n')
+ with index.Reader(indexfile) as reader:
+ check_index(reader, opt.verbose)
+
+ if saved_errors:
+ log('WARNING: %d errors encountered.\n' % len(saved_errors))
+ sys.exit(1)
projects / bup.git / blobdiff