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
19 f,indexfile= the name of the index file (normally BUP_DIR/bupindex)
20 strip strips the path to every filename given
21 strip-path= path-prefix to be stripped when saving
23 o = options.Options('bup save', optspec)
24 (opt, flags, extra) = o.parse(sys.argv[1:])
26 git.check_repo_or_die()
27 if not (opt.tree or opt.commit or opt.name):
28 o.fatal("use one or more of -t, -c, -n")
30 o.fatal("no filenames given")
32 opt.progress = (istty and not opt.quiet)
33 opt.smaller = parse_num(opt.smaller or 0)
35 client.bwlimit = parse_num(opt.bwlimit)
38 date = parse_date_or_fatal(opt.date, o.fatal)
42 if opt.strip and opt.strip_path:
43 o.fatal("--strip is incompatible with --strip-path")
45 is_reverse = os.environ.get('BUP_SERVER_REVERSE')
46 if is_reverse and opt.remote:
47 o.fatal("don't use -r in reverse mode; it's automatic")
49 refname = opt.name and 'refs/heads/%s' % opt.name or None
50 if opt.remote or is_reverse:
51 cli = client.Client(opt.remote)
52 oldref = refname and cli.read_ref(refname) or None
53 w = cli.new_packwriter()
56 oldref = refname and git.read_ref(refname) or None
78 assert(len(parts) >= 1)
80 shalist = shalists.pop()
81 tree = force_tree or w.new_tree(shalist)
83 shalists[-1].append(('40000',
84 git.mangle_name(part, 040000, 40000),
86 else: # this was the toplevel, so put it back for sanity
87 shalists.append(shalist)
92 def progress_report(n):
93 global count, subcount, lastremain, lastprint
96 pct = total and (cc*100.0/total) or 0
98 elapsed = now - tstart
99 kps = elapsed and int(cc/1024./elapsed)
100 kps_frac = 10 ** int(math.log(kps+1, 10) - 1)
101 kps = int(kps/kps_frac)*kps_frac
103 remain = elapsed*1.0/cc * (total-cc)
106 if (lastremain and (remain > lastremain)
107 and ((remain - lastremain)/lastremain < 0.05)):
111 hours = int(remain/60/60)
112 mins = int(remain/60 - hours*60)
113 secs = int(remain - hours*60*60 - mins*60)
118 kpsstr = '%dk/s' % kps
120 remainstr = '%dh%dm' % (hours, mins)
122 remainstr = '%dm%d' % (mins, secs)
124 remainstr = '%ds' % secs
125 if now - lastprint > 0.1:
126 progress('Saving: %.2f%% (%d/%dk, %d/%d files) %s %s\r'
127 % (pct, cc/1024, total/1024, fcount, ftotal,
138 indexfile = opt.indexfile or git.repo('bupindex')
140 r = index.Reader(indexfile)
142 def already_saved(ent):
143 return ent.is_valid() and w.exists(ent.sha) and ent.sha
145 def wantrecurse_pre(ent):
146 return not already_saved(ent)
148 def wantrecurse_during(ent):
149 return not already_saved(ent) or ent.sha_missing()
153 for (transname,ent) in r.filter(extra, wantrecurse=wantrecurse_pre):
154 if not (ftotal % 10024):
155 progress('Reading index: %d\r' % ftotal)
156 exists = ent.exists()
157 hashvalid = already_saved(ent)
158 ent.set_sha_missing(not hashvalid)
159 if not opt.smaller or ent.size < opt.smaller:
160 if exists and not hashvalid:
163 progress('Reading index: %d, done.\n' % ftotal)
164 hashsplit.progress_callback = progress_report
167 count = subcount = fcount = 0
170 for (transname,ent) in r.filter(extra, wantrecurse=wantrecurse_during):
171 (dir, file) = os.path.split(ent.name)
172 exists = (ent.flags & index.IX_EXISTS)
173 hashvalid = already_saved(ent)
174 wasmissing = ent.sha_missing()
180 if ent.sha == index.EMPTY_SHA:
187 vlog('%s %-70s\n' % (status, ent.name))
188 elif not stat.S_ISDIR(ent.mode) and lastdir != dir:
189 if not lastdir.startswith(dir):
190 vlog('%s %-70s\n' % (status, os.path.join(dir, '')))
199 if opt.smaller and ent.size >= opt.smaller:
200 if exists and not hashvalid:
201 add_error('skipping large file "%s"' % ent.name)
202 lastskip_name = ent.name
205 assert(dir.startswith('/'))
207 stripped_base_path = strip_base_path(dir, extra)
208 dirp = stripped_base_path.split('/')
210 dirp = strip_path(opt.strip_path, dir).split('/')
212 dirp = dir.split('/')
214 _pop(force_tree = None)
216 for part in dirp[len(parts):]:
220 # no filename portion means this is a subdir. But
221 # sub/parentdirectories already handled in the pop/push() part above.
222 oldtree = already_saved(ent) # may be None
223 newtree = _pop(force_tree = oldtree)
225 if lastskip_name and lastskip_name.startswith(ent.name):
228 ent.validate(040000, newtree)
230 if exists and wasmissing:
234 # it's not a directory
237 mode = '%o' % ent.gitmode
239 shalists[-1].append((mode,
240 git.mangle_name(file, ent.mode, ent.gitmode),
243 if stat.S_ISREG(ent.mode):
245 f = hashsplit.open_noatime(ent.name)
248 lastskip_name = ent.name
251 lastskip_name = ent.name
254 (mode, id) = hashsplit.split_to_blob_or_tree(w, [f],
255 keep_boundaries=False)
257 add_error('%s: %s' % (ent.name, e))
258 lastskip_name = ent.name
260 if stat.S_ISDIR(ent.mode):
261 assert(0) # handled above
262 elif stat.S_ISLNK(ent.mode):
264 rl = os.readlink(ent.name)
267 lastskip_name = ent.name
270 lastskip_name = ent.name
272 (mode, id) = ('120000', w.new_blob(rl))
274 add_error(Exception('skipping special file "%s"' % ent.name))
275 lastskip_name = ent.name
277 ent.validate(int(mode, 8), id)
279 shalists[-1].append((mode,
280 git.mangle_name(file, ent.mode, ent.gitmode),
282 if exists and wasmissing:
288 pct = total and count*100.0/total or 100
289 progress('Saving: %.2f%% (%d/%dk, %d/%d files), done. \n'
290 % (pct, count/1024, total/1024, fcount, ftotal))
292 while len(parts) > 1:
293 _pop(force_tree = None)
294 assert(len(shalists) == 1)
295 tree = w.new_tree(shalists[-1])
297 print tree.encode('hex')
298 if opt.commit or opt.name:
299 msg = 'bup save\n\nGenerated by command:\n%r' % sys.argv
300 ref = opt.name and ('refs/heads/%s' % opt.name) or None
301 commit = w.new_commit(oldref, tree, date, msg)
303 print commit.encode('hex')
305 w.close() # must close before we can update the ref
309 cli.update_ref(refname, commit, oldref)
311 git.update_ref(refname, commit, oldref)
317 log('WARNING: %d errors encountered while saving.\n' % len(saved_errors))