Mercurial > hg
view tests/test-mq-qimport.out @ 11769:ca6cebd8734e stable
dirstate: ignore symlinks when fs cannot handle them (issue1888)
When the filesystem cannot handle the executable bit, we currently
ignore it completely when looking for modified files. Similarly, it is
impossible to set or clear the bit when the filesystem ignores it.
This patch makes Mercurial treat symbolic links the same way.
Symlinks are a little different since they manifest themselves as
small files containing a filename (the symlink target). On Windows,
these files show up as regular files, and on Linux and Mac they show
up as real symlinks.
Issue1888 presents a case where the symlink files are better ignored
from the Windows side. A Linux client creates symlinks in a working
copy which is shared over a network between Linux and Windows clients.
The Samba server is helpful and defererences the symlink when the
Windows client looks at it. This means that Mercurial on the Windows
side sees file content instead of a file name in the symlink, and
hence flags the link as modified. Ignoring the change would be much
more helpful, similarly to how Mercurial does not report any changes
when executable bits are ignored in a checkout on Windows.
An initial checkout of a symbolic link on a file system that cannot
handle symbolic links will still result in a regular file containing
the target file name as its content. Sharing such a checkout with a
Linux client will not turn the file into a symlink automatically, but
'hg revert' can fix that. After the revert, the Windows client will
see the correct file content (provided by the Samba server when it
follows the link on the Linux side) and otherwise ignore the change.
Running 'hg perfstatus' 10 times gives these results:
Before: After:
min: 0.544703 min: 0.546549
med: 0.547592 med: 0.548881
avg: 0.549146 avg: 0.548549
max: 0.564112 max: 0.551504
The median time is increased about 0.24%.
author | Martin Geisler <mg@aragost.com> |
---|---|
date | Mon, 09 Aug 2010 15:31:56 +0200 |
parents | 3e561b6af810 |
children | aae1dd12fce6 |
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% qimport non-existing-file abort: unable to read file non-existing-file % import email adding email to series file applying email now at: email % hg tip -v changeset: 0:1a706973a7d8 tag: email tag: qbase tag: qtip tag: tip user: Username in patch <test@example.net> date: Thu Jan 01 00:00:00 1970 +0000 files: x description: First line of commit message. More text in commit message. popping email patch queue now empty % import URL adding url.diff to series file url.diff % import patch that already exists abort: patch "url.diff" already exists applying url.diff now at: url.diff foo popping url.diff patch queue now empty % qimport -f adding url.diff to series file applying url.diff now at: url.diff foo2 popping url.diff patch queue now empty % build diff with CRLF adding b 1 files updated, 0 files merged, 0 files removed, 0 files unresolved % qimport CRLF diff adding b.diff to series file applying b.diff now at: b.diff % try to import --push 1 files updated, 0 files merged, 0 files removed, 0 files unresolved adding another.diff to series file applying another.diff now at: another.diff patch b.diff finalized without changeset message patch another.diff finalized without changeset message