2 import sys, re, errno, 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= remote repository path
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 v,verbose increase log output (can be used more than once)
15 q,quiet don't show progress meter
16 smaller= only back up files smaller than n bytes
18 o = options.Options('bup save', optspec)
19 (opt, flags, extra) = o.parse(sys.argv[1:])
21 git.check_repo_or_die()
22 if not (opt.tree or opt.commit or opt.name):
23 o.fatal("use one or more of -t, -c, -n")
25 o.fatal("no filenames given")
27 opt.progress = (istty and not opt.quiet)
28 opt.smaller = parse_num(opt.smaller or 0)
30 refname = opt.name and 'refs/heads/%s' % opt.name or None
32 cli = client.Client(opt.remote)
33 oldref = refname and cli.read_ref(refname) or None
34 w = cli.new_packwriter()
37 oldref = refname and git.read_ref(refname) or None
59 assert(len(parts) >= 1)
61 shalist = shalists.pop()
62 tree = force_tree or w.new_tree(shalist)
64 shalists[-1].append(('40000', part, tree))
65 else: # this was the toplevel, so put it back for sanity
66 shalists.append(shalist)
70 def progress_report(n):
71 global count, subcount, lastremain
74 pct = total and (cc*100.0/total) or 0
76 elapsed = now - tstart
77 kps = elapsed and int(cc/1024./elapsed)
78 kps_frac = 10 ** int(math.log(kps+1, 10) - 1)
79 kps = int(kps/kps_frac)*kps_frac
81 remain = elapsed*1.0/cc * (total-cc)
84 if (lastremain and (remain > lastremain)
85 and ((remain - lastremain)/lastremain < 0.05)):
89 hours = int(remain/60/60)
90 mins = int(remain/60 - hours*60)
91 secs = int(remain - hours*60*60 - mins*60)
96 kpsstr = '%dk/s' % kps
98 remainstr = '%dh%dm' % (hours, mins)
100 remainstr = '%dm%d' % (mins, secs)
102 remainstr = '%ds' % secs
103 progress('Saving: %.2f%% (%d/%dk, %d/%d files) %s %s\r'
104 % (pct, cc/1024, total/1024, fcount, ftotal,
108 r = index.Reader(git.repo('bupindex'))
110 def already_saved(ent):
111 return ent.is_valid() and w.exists(ent.sha) and ent.sha
113 def wantrecurse_pre(ent):
114 return not already_saved(ent)
116 def wantrecurse_during(ent):
117 return not already_saved(ent) or ent.sha_missing()
120 if opt.progress or 1:
121 for (transname,ent) in r.filter(extra, wantrecurse=wantrecurse_pre):
122 if not (ftotal % 10024):
123 progress('Reading index: %d\r' % ftotal)
124 exists = ent.exists()
125 hashvalid = already_saved(ent)
126 ent.set_sha_missing(not hashvalid)
127 if not opt.smaller or ent.size < opt.smaller:
128 if exists and not hashvalid:
131 progress('Reading index: %d, done.\n' % ftotal)
132 hashsplit.progress_callback = progress_report
135 count = subcount = fcount = 0
138 for (transname,ent) in r.filter(extra, wantrecurse=wantrecurse_during):
139 (dir, file) = os.path.split(ent.name)
140 exists = (ent.flags & index.IX_EXISTS)
141 hashvalid = already_saved(ent)
142 wasmissing = ent.sha_missing()
148 if ent.sha == index.EMPTY_SHA:
155 log('%s %-70s\n' % (status, ent.name))
156 elif not stat.S_ISDIR(ent.mode) and lastdir != dir:
157 if not lastdir.startswith(dir):
158 log('%s %-70s\n' % (status, os.path.join(dir, '')))
167 if opt.smaller and ent.size >= opt.smaller:
168 if exists and not hashvalid:
169 add_error('skipping large file "%s"' % ent.name)
170 lastskip_name = ent.name
173 assert(dir.startswith('/'))
174 dirp = dir.split('/')
176 _pop(force_tree = None)
178 for part in dirp[len(parts):]:
182 # sub/parentdirectories already handled in the pop/push() part above.
183 oldtree = already_saved(ent) # may be None
184 newtree = _pop(force_tree = oldtree)
186 if lastskip_name and lastskip_name.startswith(ent.name):
189 ent.validate(040000, newtree)
191 if exists and wasmissing:
195 # it's not a directory
198 mode = '%o' % ent.gitmode
200 shalists[-1].append((mode, file, id))
202 if stat.S_ISREG(ent.mode):
204 f = hashsplit.open_noatime(ent.name)
207 lastskip_name = ent.name
210 lastskip_name = ent.name
212 (mode, id) = hashsplit.split_to_blob_or_tree(w, [f])
214 if stat.S_ISDIR(ent.mode):
215 assert(0) # handled above
216 elif stat.S_ISLNK(ent.mode):
218 rl = os.readlink(ent.name)
221 lastskip_name = ent.name
224 lastskip_name = ent.name
226 (mode, id) = ('120000', w.new_blob(rl))
228 add_error(Exception('skipping special file "%s"' % ent.name))
229 lastskip_name = ent.name
231 ent.validate(int(mode, 8), id)
233 shalists[-1].append((mode, file, id))
234 if exists and wasmissing:
240 pct = total and count*100.0/total or 100
241 progress('Saving: %.2f%% (%d/%dk, %d/%d files), done. \n'
242 % (pct, count/1024, total/1024, fcount, ftotal))
244 while len(parts) > 1:
245 _pop(force_tree = None)
246 assert(len(shalists) == 1)
247 tree = w.new_tree(shalists[-1])
249 print tree.encode('hex')
250 if opt.commit or opt.name:
251 msg = 'bup save\n\nGenerated by command:\n%r' % sys.argv
252 ref = opt.name and ('refs/heads/%s' % opt.name) or None
253 commit = w.new_commit(oldref, tree, msg)
255 print commit.encode('hex')
257 w.close() # must close before we can update the ref
261 cli.update_ref(refname, commit, oldref)
263 git.update_ref(refname, commit, oldref)
269 log('WARNING: %d errors encountered while saving.\n' % len(saved_errors))