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)
29 refname = opt.name and 'refs/heads/%s' % opt.name or None
31 cli = client.Client(opt.remote)
32 oldref = refname and cli.read_ref(refname) or None
33 w = cli.new_packwriter()
36 oldref = refname and git.read_ref(refname) or None
56 assert(len(parts) >= 1)
58 shalist = shalists.pop()
59 tree = force_tree or w.new_tree(shalist)
61 shalists[-1].append(('40000', part, tree))
62 else: # this was the toplevel, so put it back for sanity
63 shalists.append(shalist)
67 def progress_report(n):
68 global count, lastremain
70 pct = total and (count*100.0/total) or 0
72 elapsed = now - tstart
73 kps = elapsed and int(count/1024./elapsed)
74 kps_frac = 10 ** int(math.log(kps+1, 10) - 1)
75 kps = int(kps/kps_frac)*kps_frac
77 remain = elapsed*1.0/count * (total-count)
80 if (lastremain and (remain > lastremain)
81 and ((remain - lastremain)/lastremain < 0.05)):
85 hours = int(remain/60/60)
86 mins = int(remain/60 - hours*60)
87 secs = int(remain - hours*60*60 - mins*60)
92 kpsstr = '%dk/s' % kps
94 remainstr = '%dh%dm' % (hours, mins)
96 remainstr = '%dm%d' % (mins, secs)
98 remainstr = '%ds' % secs
99 progress('Saving: %.2f%% (%d/%dk, %d/%d files) %s %s\r'
100 % (pct, count/1024, total/1024, fcount, ftotal,
104 r = index.Reader(git.repo('bupindex'))
106 def already_saved(ent):
107 return ent.is_valid() and w.exists(ent.sha) and ent.sha
109 def wantrecurse(ent):
110 return not already_saved(ent)
114 for (transname,ent) in r.filter(extra, wantrecurse=wantrecurse):
115 if not (ftotal % 10024):
116 progress('Reading index: %d\r' % ftotal)
117 exists = (ent.flags & index.IX_EXISTS)
118 hashvalid = already_saved(ent)
119 if exists and not hashvalid:
122 progress('Reading index: %d, done.\n' % ftotal)
123 hashsplit.progress_callback = progress_report
127 for (transname,ent) in r.filter(extra, wantrecurse=wantrecurse):
128 (dir, file) = os.path.split(ent.name)
129 exists = (ent.flags & index.IX_EXISTS)
130 hashvalid = already_saved(ent)
135 if ent.sha == index.EMPTY_SHA:
141 if opt.verbose >= 2 or stat.S_ISDIR(ent.mode):
142 log('%s %-70s\n' % (status, ent.name))
151 assert(dir.startswith('/'))
152 dirp = dir.split('/')
154 _pop(force_tree = None)
156 for part in dirp[len(parts):]:
160 # sub/parentdirectories already handled in the pop/push() part above.
161 oldtree = already_saved(ent) # may be None
162 newtree = _pop(force_tree = oldtree)
164 ent.validate(040000, newtree)
169 # it's not a directory
172 mode = '%o' % ent.gitmode
174 shalists[-1].append((mode, file, id))
175 elif opt.smaller and ent.size >= opt.smaller:
176 add_error('skipping large file "%s"' % ent.name)
178 if stat.S_ISREG(ent.mode):
186 (mode, id) = hashsplit.split_to_blob_or_tree(w, [f])
188 if stat.S_ISDIR(ent.mode):
189 assert(0) # handled above
190 elif stat.S_ISLNK(ent.mode):
192 rl = os.readlink(ent.name)
198 (mode, id) = ('120000', w.new_blob(rl))
200 add_error(Exception('skipping special file "%s"' % ent.name))
203 ent.validate(int(mode, 8), id)
205 shalists[-1].append((mode, file, id))
208 pct = total and count*100.0/total or 100
209 progress('Saving: %.2f%% (%d/%dk, %d/%d files), done. \n'
210 % (pct, count/1024, total/1024, fcount, ftotal))
212 while len(parts) > 1:
213 _pop(force_tree = None)
214 assert(len(shalists) == 1)
215 tree = w.new_tree(shalists[-1])
217 print tree.encode('hex')
218 if opt.commit or opt.name:
219 msg = 'bup save\n\nGenerated by command:\n%r' % sys.argv
220 ref = opt.name and ('refs/heads/%s' % opt.name) or None
221 commit = w.new_commit(oldref, tree, msg)
223 print commit.encode('hex')
225 w.close() # must close before we can update the ref
229 cli.update_ref(refname, commit, oldref)
231 git.update_ref(refname, commit, oldref)
237 log('WARNING: %d errors encountered while saving.\n' % len(saved_errors))