$ git clone -n https://src.fedoraproject.org/rpms/plasma-sdk.git /var/lib/mock/f40-build-2078137-49590/root/chroot_tmpdir/scmroot/plasma-sdk
Cloning into '/var/lib/mock/f40-build-2078137-49590/root/chroot_tmpdir/scmroot/plasma-sdk'...
$ git fetch origin 258185529f071cb80a5f32d346f1b6a11a20b21f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-sdk
 * [new ref]         258185529f071cb80a5f32d346f1b6a11a20b21f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2581855 fix: upload missing sources