$ git clone -n https://src.fedoraproject.org/rpms/ksmtp.git /var/lib/mock/f42-build-side-1-3537145-46559/root/chroot_tmpdir/scmroot/ksmtp
Cloning into '/var/lib/mock/f42-build-side-1-3537145-46559/root/chroot_tmpdir/scmroot/ksmtp'...
$ git fetch origin ae46c1f2e87a8932a5a5871542eeb0180f589b0e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ksmtp
 * [new ref]         ae46c1f2e87a8932a5a5871542eeb0180f589b0e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae46c1f 25.04.2