$ git clone -n https://src.fedoraproject.org/rpms/hyphen-ca.git /var/lib/mock/f40-build-2004304-44939/root/chroot_tmpdir/scmroot/hyphen-ca
Cloning into '/var/lib/mock/f40-build-2004304-44939/root/chroot_tmpdir/scmroot/hyphen-ca'...
$ git fetch origin 9600ea0673ce57067f30552d33982df7c8d7a4c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hyphen-ca
 * [new ref]         9600ea0673ce57067f30552d33982df7c8d7a4c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9600ea0 Fix build error