$ git clone -n https://src.fedoraproject.org/rpms/perl-Tree-XPathEngine.git /var/lib/mock/f39-build-1439822-32287/root/chroot_tmpdir/scmroot/perl-Tree-XPathEngine
Cloning into '/var/lib/mock/f39-build-1439822-32287/root/chroot_tmpdir/scmroot/perl-Tree-XPathEngine'...
$ git fetch origin 3bc52ff2cb9481ec1e6c1533ab3211b1cbb601fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Tree-XPathEngine
 * [new ref]         3bc52ff2cb9481ec1e6c1533ab3211b1cbb601fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3bc52ff Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild