$ git clone -n https://src.fedoraproject.org/rpms/golang-github-howeyc-gopass.git /var/lib/mock/f41-build-749654-13378/root/chroot_tmpdir/scmroot/golang-github-howeyc-gopass
Cloning into '/var/lib/mock/f41-build-749654-13378/root/chroot_tmpdir/scmroot/golang-github-howeyc-gopass'...
$ git fetch origin e4266e9e0cca160634437efc53df2475d81b2565:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-howeyc-gopass
 * [new ref]         e4266e9e0cca160634437efc53df2475d81b2565 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4266e9 Leave and unmantained upstream