On 2005-01-04, Sean Laurent <sean@neuronfarm.com> wrote:
>
> *kicks himself* D'oh! Now that I re-read your original message, I
> understand. Now, I believe someone else has already encountered this
> problem:
>
> http://svn.haxx.se/users/archive-2004-08/0359.shtml
>
> Ben Collins-Sussman responded with "Holy unexplained behavior, Batman!":
> http://svn.haxx.se/users/archive-2004-08/0491.shtml
>
> He also filed issue 1994 which shows that it was fixed in r10528 on Mon Aug 9
> at 11:58:01.
> http://subversion.tigris.org/issues/show_bug.cgi?id=1994
>
Interesting. So copying a mixed revision WC should work, but it
doesn't.
Getting back to my problem, of trying to copy a WC, I wrote the
following bash shell script. The idea is for it to work correctly with
WCs that are not *intentionally* mixed-revision, and fail gracefully
in all other cases.
is_update_trivial() {
return 0
}
if [ $# -ne 1 ]; then
echo "Usage is: $(basename $0) <URL>" 1>&2
exit 1
fi
rr=$(svnversion . | grep '^[0-9]\+\(:[0-9]\+\)\?[MS]\?$')
[ -z "$rr" ] && { echo "Cannot determine WC rev" 1>&2; exit 1; }
rmin=$(echo $rr | cut -d: -f1 | sed 's/^\([0-9]\+\)[MS]\?$/\1/')
rmax=$(echo $rr | cut -d: -f2 | sed 's/^\([0-9]\+\)[MS]\?$/\1/')
if [ x"$rmin" != x"$rmax" ]; then
echo "Mixed revisions WC"
if is_update_trivial $rmax; then
echo "Bringing WC forward to r$rmax"
svn --non-interactive --quiet up -r $rmax .
else
echo "WC not up to date! Up it and call again." 1>&2
exit 1
fi
fi
svn --non-interactive --quiet cp . "$2"
As you can see what is missing is the implementation of the
"is_update_trivial()" function, which is something I can't figure out
how to approach. The "is_update_trivial()" function must answer the
following question:
"will an update of the WC to revision $rmax modify any files?"
Any ideas would be greatly appreciated.
Thanks in advance
/npat
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Received on Wed Jan 5 03:27:24 2005