$ git clone -n https://src.fedoraproject.org/rpms/libpreludedb.git /var/lib/mock/f41-build-1702053-24562/root/chroot_tmpdir/scmroot/libpreludedb
Cloning into '/var/lib/mock/f41-build-1702053-24562/root/chroot_tmpdir/scmroot/libpreludedb'...
$ git fetch origin 94bcc331ddb1645522a0878cf664f732d74b552b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libpreludedb
 * [new ref]         94bcc331ddb1645522a0878cf664f732d74b552b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 94bcc33 convert GPLv2+ license to SPDX