[Bug 3635] New: Dirstate of large files does not have timestamp/size after clonning

bugzilla-daemon at bz.selenic.com bugzilla-daemon at bz.selenic.com
Fri Sep 21 06:58:48 CDT 2012


          Priority: normal
            Bug ID: 3635
                CC: mercurial-devel at selenic.com, natosha at gmail.com
          Assignee: bugzilla at selenic.com
           Summary: Dirstate of large files does not have timestamp/size
                    after clonning
          Severity: bug
    Classification: Unclassified
                OS: Linux
          Reporter: mocksoul at gmail.com
          Hardware: PC
            Status: UNCONFIRMED
           Version: unspecified
         Component: largefiles
           Product: Mercurial

I have repos with large file in:

mocksoul at mocksoul-notebook ~/tmp/svngit % cat some/.hglf/tf

hg status in that repository is fats enough, coz files not changed:

mocksoul at mocksoul-notebook ~/tmp/svngit/some % time hg st
hg st  0.14s user 0.02s system 95% cpu 0.169 total

then, I'm trying to clone repos:

mocksoul at mocksoul-notebook ~/tmp/svngit % time hg clone some sometest
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
getting changed largefiles
1 largefiles updated, 0 removed
hg clone some sometest  0.96s user 0.12s system 22% cpu 4.814 total

And in that fresh cloned repository hg st runs >2 seconds every time:

mocksoul at mocksoul-notebook ~/tmp/svngit/sometest % time hg st
hg st  1.93s user 0.22s system 98% cpu 2.176 total

This does no happen anymore after first 'hg commit' call.

Fast analysis show that dirstate in newly cloned repos is empty:

mocksoul at mocksoul-notebook ~/tmp/svngit/sometest % hexdump
0000000 0000 0000 0000 0000 0000 0000 0000 0000
0000020 0000 0000 0000 0000 006e 0000 ff00 ffff
0000030 ffff ffff 00ff 0000 7402 0066          

after first commit it will with size/mtime of largefile and everythings work

Also I dont unredstand why clonning took 4 seconds. Did tried fast strace of
clonning procedure -- my largefile is copied, while I was hoping it will
utilize hardlinks for that (both repos and ~/.cache/largefiles are in same

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