$ git clone -n https://src.fedoraproject.org/rpms/p11-kit.git /var/lib/mock/f42-build-878749-181505/root/chroot_tmpdir/scmroot/p11-kit
Cloning into '/var/lib/mock/f42-build-878749-181505/root/chroot_tmpdir/scmroot/p11-kit'...
$ git fetch origin b4943bcb3d5f3eadfbc9d36a268e1fe69f925487:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/p11-kit
 * [new ref]         b4943bcb3d5f3eadfbc9d36a268e1fe69f925487 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4943bc Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild