$ git clone -n https://src.fedoraproject.org/rpms/perl-XML-Tiny.git /var/lib/mock/f39-build-1439872-32293/root/chroot_tmpdir/scmroot/perl-XML-Tiny
Cloning into '/var/lib/mock/f39-build-1439872-32293/root/chroot_tmpdir/scmroot/perl-XML-Tiny'...
$ git fetch origin ffc5c299d7135bba309ee88607aa8244f78ba680:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-XML-Tiny
 * [new ref]         ffc5c299d7135bba309ee88607aa8244f78ba680 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ffc5c29 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild