Thanks for that. Since we're on Windows, I'll probably have to convert that to PowerShell to keep the IT bods happy, but it'll help.
Cheers,
Roger.
-----Original Message-----
From: Christian Unger [mailto:christian.unger_at_mac.com]
Sent: Fri 04 July 2008 10:09
To: Roger Lipscombe
Cc: 'users_at_subversion.tigris.org'
Subject: Re: Pin Externals when tagging?
#!/usr/bin/env perl -w
use strict;
use Getopt::Long;
use Cwd;
use File::Basename;
my $parentDir = getcwd;
my @updatedExternalDefinitions;
our $logDirectory = "/Library/Logs/revisionTagging/";
`/bin/mkdir -p $logDirectory`;
our $logFileName = "tags.log";
chomp (my @svn = __pipeCommand('which', 'svn'));
chomp @svn;
GetOptions (
'svn=s' => \@svn,
'parent=s' => \$parentDir,
'tagURL=s' => \my $tagURL,
);
die "No tag url provided" unless $tagURL;
chdir $parentDir || die "$!\n";
$tagURL =~/.*\/(.*?)$/;
my $tagName = $1;
my @parentInfo = __pipeCommand(@svn, 'info');
$parentInfo[2] =~/^Repository Root: (http.*?)$/;
chomp ( my $repositoryRoot = $1 );
my @externals = __pipeCommand(@svn, 'propget', 'svn:externals', '.');
chomp @externals;
foreach (@externals) {
if (/^(.*?)\s(http.*?)$/) {
my $external = $1;
my $url = $2;
chdir $external;
my @svnInfo = __pipeCommand(@svn, 'info');
$svnInfo[8] =~/.*?(\d+)/;
push @updatedExternalDefinitions, ($external . " -r " . $1 . " " .
$url . "\n");
chdir $parentDir;
}
}
# create a temporary working directory
chomp( my $random_number = qx/uuidgen/);
my $tagTmpDir = "/tmp/" . $random_number;
__pipeCommand('/bin/mkdir', '-p', $tagTmpDir);
chdir "$tagTmpDir";
__pipeCommand(@svn, 'co', '-N', $tagURL, $tagName);
my $tmpFilename = "updatedExternalDefinitions";
open( my $fh, ">$tmpFilename" ) ||
die "can't create $tmpFilename $!" ;
print $fh @updatedExternalDefinitions ;
__pipeCommand(@svn, 'pset', 'svn:externals', '-F', $tmpFilename,
$tagName );
__pipeCommand(@svn, 'ci', $tagName, '-m"tagged last succsessful
build"');
sub __pipeCommand {
__LOG("\n" . (scalar localtime) . "\n");
__LOG(join(' ', @_));
open (PIPE, "@_ 2>&1 |");
my @returnValues = <PIPE>;
close(PIPE);
__LOG(@returnValues);
return @returnValues;
}
sub __LOG {
eval {
open (my $log, ">>",$logDirectory . "/" . $logFileName);
print $log @_;
print $log "\n";
print STDOUT @_;
print STDOUT "\n";
}
}
cu
christian unger
On 04.07.2008, at 11:01, Roger Lipscombe wrote:
> No responses?
>
> I've done some further research, and found issues #1258 and #1336.
> #1336 comprises the support for relative externals, but doesn't
> address pinning them in a copy. #1258 appears to be the origin of
> svncopy.pl. So, let me simplify my question:
>
> Can a *server-side* hook pin or unpin externals as part of a commit?
>
> Cheers,
> Roger.
>
> -----Original Message-----
> From: Roger Lipscombe
> Sent: Mon 30 June 2008 11:36
> To: 'users_at_subversion.tigris.org'
> Subject: Pin Externals when tagging?
>
> Now that SVN 1.5 has relative externals, we're looking at using it
> for our internal libraries. We've got several projects, each with
> its own trunk, tags and branches. Each project uses (some of) the
> same set of shared static libraries. Up to now, we've given each
> project its own copy, but this is a maintenance headache, because we
> have to periodically merge from each project back to the original
> libraries, and then bring down the updates into each project's trunk.
>
> I thought that relative svn:externals might address this problem,
> because I could just use (e.g.) "svn:externals = ^/shared/Lib/Misc
> Lib/Misc" to bring the relevant shared libraries into each of the
> projects that use them.
>
> (We've not used absolute svn:externals up to now, because the repos
> is made available externally on a different address (HTTPS) than the
> internal (HTTP) address).
>
> The problem I'm having is that, when a user creates a tag or a
> branch, I'd like to be able to pin the externals to the current
> revision. There was some discussion on the TSVN list about this: http://svn.haxx.se/tsvn/archive-2007-04/0088.shtml
> (for example), and there's svncopy.pl in SVN's contrib/client-side
> directory. My problem is that all of my users use TSVN, and they'll
> not want to use a client-side script (let alone one that requires
> them to install Perl). Moreover, our continuous integration server
> (which tags each build automatically) uses SVNKit.
>
> So, my question: in the absence of TSVN supporting a "pin-externals"
> option (as in the discussion I've linked), is there anything I can
> do in a server-side hook to pin the externals revisions when tagging
> or branching?
>
> Alternatively, one of the ideas in the TSVN discussion was _always_
> pinning the externals (and, presumably, jumping forward
> periodically). Is this a good idea? I'm not convinced, because I
> want a way for people editing a project trunk to be able to make
> changes to the externals and commit those as well.
>
> Regards,
> Roger.
>
>
>
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Received on 2008-07-04 11:22:43 CEST