[Bug 4546] New: Commits that add new files fail when written to a windows network share.

mercurial-bugs at selenic.com mercurial-bugs at selenic.com
Fri Feb 20 06:02:39 CST 2015


http://bz.selenic.com/show_bug.cgi?id=4546

          Priority: normal
            Bug ID: 4546
                CC: mercurial-devel at selenic.com
          Assignee: bugzilla at selenic.com
           Summary: Commits that add new files fail when written to a
                    windows network share.
          Severity: bug
    Classification: Unclassified
                OS: Windows
          Reporter: dee at earlsoft.co.uk
          Hardware: PC
            Status: UNCONFIRMED
           Version: 3.3-rc
         Component: Mercurial
           Product: Mercurial

Whenever I commit, or push any changes that add new files to a repository over
a windows network share, the commit fails with:
IOError: [Errno 2] No such file or directory:
'P:\\repotest\\.hg/store\\journal.
backup.fncache'

This is reproducible with a freshly created repository:

P:\repotest>hg init

P:\repotest>hg add file1.txt

P:\repotest>hg commit -m commit1

P:\repotest>hg add file2.txt

P:\repotest>hg commit -m commit2
Traceback (most recent call last):
  File "mercurial\dispatch.pyo", line 140, in _runcatch
  File "mercurial\dispatch.pyo", line 860, in _dispatch
  File "mercurial\dispatch.pyo", line 621, in runcommand
  File "mercurial\dispatch.pyo", line 951, in _runcommand
  File "mercurial\dispatch.pyo", line 922, in checkargs
  File "mercurial\dispatch.pyo", line 857, in <lambda>
  File "mercurial\util.pyo", line 711, in check
  File "mercurial\extensions.pyo", line 149, in wrap
  File "mercurial\util.pyo", line 711, in check
  File "hgext\mq.pyo", line 3483, in mqcommand
  File "mercurial\util.pyo", line 711, in check
  File "mercurial\commands.pyo", line 1505, in commit
  File "mercurial\cmdutil.pyo", line 2212, in commit
  File "mercurial\commands.pyo", line 1499, in commitfunc
  File "hgext\largefiles\reposetup.pyo", line 267, in commit
  File "hgext\mq.pyo", line 3386, in commit
  File "mercurial\localrepo.pyo", line 64, in wrapper
  File "mercurial\localrepo.pyo", line 1397, in commit
  File "hgext\largefiles\reposetup.pyo", line 247, in commitctx
  File "mercurial\localrepo.pyo", line 64, in wrapper
  File "mercurial\localrepo.pyo", line 1499, in commitctx
  File "mercurial\transaction.pyo", line 25, in _active
  File "mercurial\transaction.pyo", line 408, in close
  File "mercurial\transaction.pyo", line 465, in _writeundo
  File "mercurial\util.pyo", line 733, in copyfile
  File "shutil.pyo", line 82, in copyfile
IOError: [Errno 2] No such file or directory:
'P:\\repotest\\.hg/store\\journal.
backup.fncache'
abort: No such file or directory: P:\repotest\.hg/store\journal.backup.fncache
transaction abort!
failed to recover fncache
rollback completed

P:\repotest>

When I look in Explorer, that file exists and has a date before the failure
(presumably, it's a copied file)

If I do the same process on a local file system, it will work, and then trigger
the same issue when I push to a network share.

The network admin says nothing obvious has changed in the network structure or
management.

This occurs on Windows 7 with Mercurial 3.3

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