$ git clone -n https://src.fedoraproject.org/rpms/plasma-vault.git /var/lib/mock/f40-build-2069217-49298/root/chroot_tmpdir/scmroot/plasma-vault
Cloning into '/var/lib/mock/f40-build-2069217-49298/root/chroot_tmpdir/scmroot/plasma-vault'...
$ git fetch origin 210dbf1798ef072cac57cfa6a496c420a811f110:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-vault
 * [new ref]         210dbf1798ef072cac57cfa6a496c420a811f110 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 210dbf1 fix: upload missing sources