$ git clone -n https://src.fedoraproject.org/rpms/ptlib.git /var/lib/mock/f42-build-3487012-45834/root/chroot_tmpdir/scmroot/ptlib
Cloning into '/var/lib/mock/f42-build-3487012-45834/root/chroot_tmpdir/scmroot/ptlib'...
$ git fetch origin ad2bd760b23f7798e1d97d01c91ca956edb6542c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ptlib
 * [new ref]         ad2bd760b23f7798e1d97d01c91ca956edb6542c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad2bd76 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild