$ git clone -n https://src.fedoraproject.org/rpms/plasma-vault.git /var/lib/mock/f40-build-2388435-60502/root/chroot_tmpdir/scmroot/plasma-vault
Cloning into '/var/lib/mock/f40-build-2388435-60502/root/chroot_tmpdir/scmroot/plasma-vault'...
$ git fetch origin dcdf4548cb7f0dd8536a61c49f237333f8a48a61:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-vault
 * [new ref]         dcdf4548cb7f0dd8536a61c49f237333f8a48a61 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dcdf454 5.93.0