$ git clone -n https://src.fedoraproject.org/rpms/epiphany.git /var/lib/mock/f42-build-side-1-3511150-46047/root/chroot_tmpdir/scmroot/epiphany
Cloning into '/var/lib/mock/f42-build-side-1-3511150-46047/root/chroot_tmpdir/scmroot/epiphany'...
$ git fetch origin bbddad9588207990032bb3d6dd8905c2068db3b6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/epiphany
 * [new ref]         bbddad9588207990032bb3d6dd8905c2068db3b6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bbddad9 Update to 48.2