$ git clone -n https://src.fedoraproject.org/rpms/bcd.git /var/lib/mock/f41-build-side-1-2632290-25785/root/chroot_tmpdir/scmroot/bcd
Cloning into '/var/lib/mock/f41-build-side-1-2632290-25785/root/chroot_tmpdir/scmroot/bcd'...
$ git fetch origin 719115bf3f6429a8fb0b3f40a9ea546fca6be345:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bcd
 * [new ref]         719115bf3f6429a8fb0b3f40a9ea546fca6be345 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 719115b convert license to SPDX