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Re: Splitting out project from repo

From: Jonathan Petersson <jpetersson_at_automattic.com>
Date: Fri, 1 Mar 2013 19:54:27 +0100

As mentioned, the repository is incredibly huge and it would take hours for
each project.

On Fri, Mar 1, 2013 at 7:36 PM, Bob Archer <Bob.Archer_at_amsi.com> wrote:

> > I've a repository that's grown incredibly big and we're going to start
> breaking
> > out each project in the repo to separate repos. However I've ran into a
> couple
> > of issues in regards of Node-copyfrom-rev which doesn't match up properly
> > upon dump/load resulting in the following:
> >
> > svnadmin: E160006: Relative source revision -18169 is not available in
> current
> > repository
> > svnadmin: E160013: File not found: transaction '37-1c', path
> > 'tags/1.6.1/file.php'
> >
> > I've done some efforts to rewrite the dump-files and
> revision-definitions but it
> > doesn't seem to match up properly making it hard to automate the process.
> > Any suggestions of changes are welcome, please notice however that using
> > svndumpfilter isn't really an option due to the size of the repo it
> takes hours to
> > break out just a single project and this repo contains several thousand.
> >
> > #!/bin/bash
> >
> > project=$1
> > repo=/root/svn-copy/oldrepo
> > rm -fr $project*
> > mkdir $project
> > cd $project
> > svnadmin create $project
> > i=1
> > svn log file://$repo $project | grep -e ".*r[0-9].*|.*" | awk '{ print
> > substr($1,2) }' | sort -g | while read rev; do
> > revs[$rev]=$i
> > svnadmin dump $repo --quiet -r $rev --incremental >>
> $project.$rev.bak
> >
> > # Rewrite revision number to ease rewrite of Node-copyfrom perl -pi -e
> > "s/Revision-number: $rev/Revision-number: $i/;" $project.$rev.bak #
> Rewrite
> > node-paths perl -pi -e "s/Node-path: $project\//Node-path: /;"
> > $project.$rev.bak # Rewrite Node-copyfrom-path perl -pi -e
> "s/Node-copyfrom-
> > path: $project\//Node-copyfrom-path: /;"
> > $project.$rev.bak
> >
> > # Rewrite Node-copyfrom-rev
> > for rev in $(grep Node-copyfrom-rev $project.$i.bak | awk '{ print $2
> }'); do
> > perl -pi -e "s/Node-copyfrom-rev: $rev/Node-copyfrom-rev:
> > ${revs[$rev]}/;" $project.$i.bak
> > done
> >
> > # Remove prop for old project-folder
> > sed -i "/Node-path: $project/,/PROPS-END/d" $project.$rev.bak
> >
> > svnadmin load --ignore-uuid $project < $project.$rev.bak
> > let i=$i+1
> > rm -fr $project.$rev.bak
> > done
> >
> > svnadmin setuuid $project
> >
> > Please notice that the rewrite of the revision-numbers has mitigated the
> node-
> > copyfrom-rev somewhat but not entirely as it seems like
> node-copyfrom-repo
> > points incorrectly sometimes when dumping this way.
>
>
> You are manually trying to modify the dump file? Is there a reason you
> are not using svndumpfilter?
>
> BOb
>
Received on 2013-03-01 19:55:07 CET

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