$ git clone -n https://src.fedoraproject.org/rpms/kolourpaint.git /var/lib/mock/f43-build-side-115065-61054028-6588247/root/chroot_tmpdir/scmroot/kolourpaint
Cloning into '/var/lib/mock/f43-build-side-115065-61054028-6588247/root/chroot_tmpdir/scmroot/kolourpaint'...
$ git fetch origin 56e120ffeacb2b057a8e0c939643877406a20098:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kolourpaint
 * [new ref]         56e120ffeacb2b057a8e0c939643877406a20098 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 56e120f 25.07.80