2 import sys, stat, time, math
3 from bup import hashsplit, git, options, index, client
4 from bup.helpers import *
8 bup save [-tc] [-n name] <filenames...>
10 r,remote= hostname:/path/to/repo of remote repository
11 t,tree output a tree id
12 c,commit output a commit id
13 n,name= name of backup set to update (if any)
14 d,date= date for the commit (seconds since the epoch)
15 v,verbose increase log output (can be used more than once)
16 q,quiet don't show progress meter
17 smaller= only back up files smaller than n bytes
18 bwlimit= maximum bytes/sec to transmit to server
20 o = options.Options('bup save', optspec)
21 (opt, flags, extra) = o.parse(sys.argv[1:])
23 git.check_repo_or_die()
24 if not (opt.tree or opt.commit or opt.name):
25 o.fatal("use one or more of -t, -c, -n")
27 o.fatal("no filenames given")
29 opt.progress = (istty and not opt.quiet)
30 opt.smaller = parse_num(opt.smaller or 0)
32 client.bwlimit = parse_num(opt.bwlimit)
35 date = parse_date_or_fatal(opt.date, o.fatal)
39 is_reverse = os.environ.get('BUP_SERVER_REVERSE')
40 if is_reverse and opt.remote:
41 o.fatal("don't use -r in reverse mode; it's automatic")
43 refname = opt.name and 'refs/heads/%s' % opt.name or None
44 if opt.remote or is_reverse:
45 cli = client.Client(opt.remote)
46 oldref = refname and cli.read_ref(refname) or None
47 w = cli.new_packwriter()
50 oldref = refname and git.read_ref(refname) or None
72 assert(len(parts) >= 1)
74 shalist = shalists.pop()
75 tree = force_tree or w.new_tree(shalist)
77 shalists[-1].append(('40000',
78 git.mangle_name(part, 040000, 40000),
80 else: # this was the toplevel, so put it back for sanity
81 shalists.append(shalist)
86 def progress_report(n):
87 global count, subcount, lastremain, lastprint
90 pct = total and (cc*100.0/total) or 0
92 elapsed = now - tstart
93 kps = elapsed and int(cc/1024./elapsed)
94 kps_frac = 10 ** int(math.log(kps+1, 10) - 1)
95 kps = int(kps/kps_frac)*kps_frac
97 remain = elapsed*1.0/cc * (total-cc)
100 if (lastremain and (remain > lastremain)
101 and ((remain - lastremain)/lastremain < 0.05)):
105 hours = int(remain/60/60)
106 mins = int(remain/60 - hours*60)
107 secs = int(remain - hours*60*60 - mins*60)
112 kpsstr = '%dk/s' % kps
114 remainstr = '%dh%dm' % (hours, mins)
116 remainstr = '%dm%d' % (mins, secs)
118 remainstr = '%ds' % secs
119 if now - lastprint > 0.1:
120 progress('Saving: %.2f%% (%d/%dk, %d/%d files) %s %s\r'
121 % (pct, cc/1024, total/1024, fcount, ftotal,
132 r = index.Reader(git.repo('bupindex'))
134 def already_saved(ent):
135 return ent.is_valid() and w.exists(ent.sha) and ent.sha
137 def wantrecurse_pre(ent):
138 return not already_saved(ent)
140 def wantrecurse_during(ent):
141 return not already_saved(ent) or ent.sha_missing()
145 for (transname,ent) in r.filter(extra, wantrecurse=wantrecurse_pre):
146 if not (ftotal % 10024):
147 progress('Reading index: %d\r' % ftotal)
148 exists = ent.exists()
149 hashvalid = already_saved(ent)
150 ent.set_sha_missing(not hashvalid)
151 if not opt.smaller or ent.size < opt.smaller:
152 if exists and not hashvalid:
155 progress('Reading index: %d, done.\n' % ftotal)
156 hashsplit.progress_callback = progress_report
159 count = subcount = fcount = 0
162 for (transname,ent) in r.filter(extra, wantrecurse=wantrecurse_during):
163 (dir, file) = os.path.split(ent.name)
164 exists = (ent.flags & index.IX_EXISTS)
165 hashvalid = already_saved(ent)
166 wasmissing = ent.sha_missing()
172 if ent.sha == index.EMPTY_SHA:
179 vlog('%s %-70s\n' % (status, ent.name))
180 elif not stat.S_ISDIR(ent.mode) and lastdir != dir:
181 if not lastdir.startswith(dir):
182 vlog('%s %-70s\n' % (status, os.path.join(dir, '')))
191 if opt.smaller and ent.size >= opt.smaller:
192 if exists and not hashvalid:
193 add_error('skipping large file "%s"' % ent.name)
194 lastskip_name = ent.name
197 assert(dir.startswith('/'))
198 dirp = dir.split('/')
200 _pop(force_tree = None)
202 for part in dirp[len(parts):]:
206 # no filename portion means this is a subdir. But
207 # sub/parentdirectories already handled in the pop/push() part above.
208 oldtree = already_saved(ent) # may be None
209 newtree = _pop(force_tree = oldtree)
211 if lastskip_name and lastskip_name.startswith(ent.name):
214 ent.validate(040000, newtree)
216 if exists and wasmissing:
220 # it's not a directory
223 mode = '%o' % ent.gitmode
225 shalists[-1].append((mode,
226 git.mangle_name(file, ent.mode, ent.gitmode),
229 if stat.S_ISREG(ent.mode):
231 f = hashsplit.open_noatime(ent.name)
234 lastskip_name = ent.name
237 lastskip_name = ent.name
240 (mode, id) = hashsplit.split_to_blob_or_tree(w, [f],
241 keep_boundaries=False)
243 add_error('%s: %s' % (ent.name, e))
244 lastskip_name = ent.name
246 if stat.S_ISDIR(ent.mode):
247 assert(0) # handled above
248 elif stat.S_ISLNK(ent.mode):
250 rl = os.readlink(ent.name)
253 lastskip_name = ent.name
256 lastskip_name = ent.name
258 (mode, id) = ('120000', w.new_blob(rl))
260 add_error(Exception('skipping special file "%s"' % ent.name))
261 lastskip_name = ent.name
263 ent.validate(int(mode, 8), id)
265 shalists[-1].append((mode,
266 git.mangle_name(file, ent.mode, ent.gitmode),
268 if exists and wasmissing:
274 pct = total and count*100.0/total or 100
275 progress('Saving: %.2f%% (%d/%dk, %d/%d files), done. \n'
276 % (pct, count/1024, total/1024, fcount, ftotal))
278 while len(parts) > 1:
279 _pop(force_tree = None)
280 assert(len(shalists) == 1)
281 tree = w.new_tree(shalists[-1])
283 print tree.encode('hex')
284 if opt.commit or opt.name:
285 msg = 'bup save\n\nGenerated by command:\n%r' % sys.argv
286 ref = opt.name and ('refs/heads/%s' % opt.name) or None
287 commit = w.new_commit(oldref, tree, date, msg)
289 print commit.encode('hex')
291 w.close() # must close before we can update the ref
295 cli.update_ref(refname, commit, oldref)
297 git.update_ref(refname, commit, oldref)
303 log('WARNING: %d errors encountered while saving.\n' % len(saved_errors))