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Re: Fix in vc-ignore-dir-regexp
From: |
Stefan Monnier |
Subject: |
Re: Fix in vc-ignore-dir-regexp |
Date: |
Sat, 28 Apr 2007 10:10:45 -0400 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.0.97 (gnu/linux) |
> Would an expert in VC please install this if it is correct?
Done.
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> From: Smith <address@hidden>
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> Date: Wed, 25 Apr 2007 18:18:52 -0500
> To: address@hidden
> Subject: stat problems
> Reply-To: address@hidden
> I am running emacs 22.0.95 on AIX 5.3 (the latest levels).
> The special feature is IBM has dfs. I guess it is normal but the dfs
> file system at IBM starts out with /.../path/to/files
> When I open a file, emacs hangs for a long time. I put in some
> fprintf's into file-exists-p (dbx told me that is where I was
> hanging). The output looks like this:
> stat for '/.../austin.ibm.com/fs/projects/aix/aix52Q/{arch}/=tagging-method'
> stat for '/.../austin.ibm.com/fs/projects/aix/{arch}/=tagging-method'
> stat for '/.../austin.ibm.com/fs/projects/{arch}/=tagging-method'
> stat for '/.../austin.ibm.com/fs/{arch}/=tagging-method'
> stat for '/.../austin.ibm.com/{arch}/=tagging-method'
> stat for '/.../{arch}/=tagging-method'
> stat for '/{arch}/=tagging-method'
> ...snip...
> stat for '/.../austin.ibm.com/fs/projects/aix/aix52Q/MCVS/CVS'
> stat for '/.../austin.ibm.com/fs/projects/aix/MCVS/CVS'
> stat for '/.../austin.ibm.com/fs/projects/MCVS/CVS'
> stat for '/.../austin.ibm.com/fs/MCVS/CVS'
> stat for '/.../austin.ibm.com/MCVS/CVS'
> stat for '/.../MCVS/CVS'
> stat for '/MCVS/CVS'
> This is for a single open. I removed some (many) lines.
> The killer are these two stats:
> stat for '/.../MCVS/CVS'
> stat for '/.../{arch}/=tagging-method'
> With IBM's dfs set up, these each hang for quite some time (minutes).
> I discovered vc-ignore-dir-regexp
> I changed it to be this:
> ## this is from my custom-set-variables in my init.el file
> (vc-ignore-dir-regexp "\\`\\([\\/][\\/]\\|/\\.\\.\\./\\|/net/\\|/afs/\\)\\'")
> As you can see, I added /.../ into the pattern. This seems to be
> exactly what I need. Now the stats look like this:
> stat for '/.../austin.ibm.com/fs/projects/aix/aix53H/{arch}/=tagging-method'
> stat for '/.../austin.ibm.com/fs/projects/aix/{arch}/=tagging-method'
> stat for '/.../austin.ibm.com/fs/projects/{arch}/=tagging-method'
> stat for '/.../austin.ibm.com/fs/{arch}/=tagging-method'
> stat for '/.../austin.ibm.com/{arch}/=tagging-method'
> ...snip...
> stat for '/.../austin.ibm.com/fs/projects/aix/aix53H/MCVS/CVS'
> stat for '/.../austin.ibm.com/fs/projects/aix/MCVS/CVS'
> stat for '/.../austin.ibm.com/fs/projects/MCVS/CVS'
> stat for '/.../austin.ibm.com/fs/MCVS/CVS'
> stat for '/.../austin.ibm.com/MCVS/CVS'
> I thought this might be a good general change to add in. The pattern
> already has afs in the list. I believe this is the dfs equivlalent.
> Although I have not been bit by it yet, I might need to add in /gsa/
> as well for the gsa file system. It has the same pattern:
> /gsa/region/path/to/file
> So, probably stat of /gsa/CVS/ is going to hang (although from the
> command line it does not seem to).
> I hope this makes it to the list. I don't know if I am signed up from
> this email address or not.
> Take care,
> Perry Smith
> _______________________________________________
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