+++ /dev/null
-#!/usr/bin/env python
-import sys, os, subprocess, signal
-
-argv = sys.argv
-exe = argv[0]
-exepath = os.path.split(exe)[0] or '.'
-
-# fix the PYTHONPATH to include our lib dir
-libpath = os.path.join(exepath, 'lib')
-cmdpath = os.path.join(exepath, 'cmd')
-sys.path[:0] = [libpath]
-os.environ['PYTHONPATH'] = libpath + ':' + os.environ.get('PYTHONPATH', '')
-os.environ['BUP_MAIN_EXE'] = os.path.abspath(exe)
-
-from bup.helpers import *
-
-
-def columnate(l, prefix):
- l = l[:]
- clen = max(len(s) for s in l)
- ncols = (78 - len(prefix)) / (clen + 2)
- if ncols <= 1:
- ncols = 1
- clen = 0
- cols = []
- while len(l) % ncols:
- l.append('')
- rows = len(l)/ncols
- for s in range(0, len(l), rows):
- cols.append(l[s:s+rows])
- for row in zip(*cols):
- print prefix + ''.join(('%-*s' % (clen+2, s)) for s in row)
-
-
-def usage():
- log('Usage: bup <command> <options...>\n\n')
- common = dict(
- ftp = 'Browse backup sets using an ftp-like client',
- fsck = 'Check backup sets for damage and add redundancy information',
- fuse = 'Mount your backup sets as a filesystem',
- help = 'Print detailed help for the given command',
- index = 'Create or display the index of files to back up',
- join = 'Retrieve a file backed up using "bup split"',
- ls = 'Browse the files in your backup sets',
- midx = 'Index objects to speed up future backups',
- save = 'Save files into a backup set (note: run "bup index" first)',
- split = 'Split a single file into its own backup set',
- )
-
- log('Common commands:\n')
- for cmd,synopsis in sorted(common.items()):
- print ' %-10s %s' % (cmd, synopsis)
- log('\n')
-
- log('Other available commands:\n')
- cmds = []
- for c in sorted(os.listdir(cmdpath) + os.listdir(exepath)):
- if c.startswith('bup-') and c.find('.') < 0:
- cname = c[4:]
- if cname not in common:
- cmds.append(c[4:])
- columnate(cmds, ' ')
- log('\n')
-
- log("See 'bup help <command>' for more information on " +
- "a specific command.\n")
- sys.exit(99)
-
-
-if len(argv) < 2 or not argv[1] or argv[1][0] == '-':
- usage()
-
-subcmd = argv[1]
-
-def subpath(s):
- sp = os.path.join(exepath, 'bup-%s' % s)
- if not os.path.exists(sp):
- sp = os.path.join(cmdpath, 'bup-%s' % s)
- return sp
-
-if not os.path.exists(subpath(subcmd)):
- log('error: unknown command "%s"\n' % subcmd)
- usage()
-
-
-already_fixed = atoi(os.environ.get('BUP_FORCE_TTY'))
-if subcmd in ['ftp', 'help']:
- already_fixed = True
-fix_stdout = not already_fixed and os.isatty(1)
-fix_stderr = not already_fixed and os.isatty(2)
-
-def force_tty():
- if fix_stdout or fix_stderr:
- amt = (fix_stdout and 1 or 0) + (fix_stderr and 2 or 0)
- os.environ['BUP_FORCE_TTY'] = str(amt)
- os.setsid() # make sure ctrl-c is sent just to us, not to child too
-
-if fix_stdout or fix_stderr:
- realf = fix_stderr and 2 or 1
- n = subprocess.Popen([subpath('newliner')],
- stdin=subprocess.PIPE, stdout=os.dup(realf),
- close_fds=True, preexec_fn=force_tty)
- outf = fix_stdout and n.stdin.fileno() or None
- errf = fix_stderr and n.stdin.fileno() or None
-else:
- n = None
- outf = None
- errf = None
-
-
-class SigException(Exception):
- def __init__(self, signum):
- self.signum = signum
- Exception.__init__(self, 'signal %d received' % signum)
-def handler(signum, frame):
- raise SigException(signum)
-
-signal.signal(signal.SIGTERM, handler)
-signal.signal(signal.SIGINT, handler)
-
-ret = 95
-p = None
-try:
- try:
- p = subprocess.Popen([subpath(subcmd)] + argv[2:],
- stdout=outf, stderr=errf, preexec_fn=force_tty)
- while 1:
- # if we get a signal while waiting, we have to keep waiting, just
- # in case our child doesn't die.
- try:
- ret = p.wait()
- break
- except SigException, e:
- log('\nbup: %s\n' % e)
- os.kill(p.pid, e.signum)
- ret = 94
- except OSError, e:
- log('%s: %s\n' % (subpath(subcmd), e))
- ret = 98
-finally:
- if p and p.poll() == None:
- os.kill(p.pid, signal.SIGTERM)
- p.wait()
- if n:
- n.stdin.close()
- try:
- n.wait()
- except:
- pass
-sys.exit(ret)
projects / bup.git / blobdiff