$ git clone -n https://src.fedoraproject.org/rpms/rapidyaml.git /var/lib/mock/f38-build-side-42-init-devel-1154092-30502/root/chroot_tmpdir/scmroot/rapidyaml
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1154092-30502/root/chroot_tmpdir/scmroot/rapidyaml'...
$ git fetch origin b454324caa4e1ff6b319a65945b0b4214fb76972:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rapidyaml
 * [new ref]         b454324caa4e1ff6b319a65945b0b4214fb76972 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b454324 Fix wrong multilib library paths in .cmake files (fix RHBZ#2223194)