$ git clone -n https://src.fedoraproject.org/rpms/epiphany.git /var/lib/mock/f45-build-43630-804/root/chroot_tmpdir/scmroot/epiphany
Cloning into '/var/lib/mock/f45-build-43630-804/root/chroot_tmpdir/scmroot/epiphany'...
$ git fetch origin 2bd02549f09192643ea0ef7c67ac65fa5b34cb3e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/epiphany
 * [new ref]         2bd02549f09192643ea0ef7c67ac65fa5b34cb3e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2bd0254 Rebuilt for libxml-2.15.4