$ git clone -n https://src.fedoraproject.org/rpms/ghc-OpenGL.git /var/lib/mock/f45-build-9926-411/root/chroot_tmpdir/scmroot/ghc-OpenGL
Cloning into '/var/lib/mock/f45-build-9926-411/root/chroot_tmpdir/scmroot/ghc-OpenGL'...
$ git fetch origin 1fca303d60396c040de2abda6ef8547d05188384:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-OpenGL
 * [new ref]         1fca303d60396c040de2abda6ef8547d05188384 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1fca303 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild