$ git clone -n https://src.fedoraproject.org/rpms/perl-SVN-Simple.git /var/lib/mock/f39-build-1547663-36735/root/chroot_tmpdir/scmroot/perl-SVN-Simple
Cloning into '/var/lib/mock/f39-build-1547663-36735/root/chroot_tmpdir/scmroot/perl-SVN-Simple'...
$ git fetch origin df24419d1d6f67feb46c4612795a06410a54ed59:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-SVN-Simple
 * [new ref]         df24419d1d6f67feb46c4612795a06410a54ed59 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df24419 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild