$ git clone -n https://src.fedoraproject.org/rpms/ghc-gi-pango.git /var/lib/mock/f41-build-745355-13348/root/chroot_tmpdir/scmroot/ghc-gi-pango
Cloning into '/var/lib/mock/f41-build-745355-13348/root/chroot_tmpdir/scmroot/ghc-gi-pango'...
$ git fetch origin 009687ffeca4fe4ad62ba46b8cb2a2f0ebb5e901:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-gi-pango
 * [new ref]         009687ffeca4fe4ad62ba46b8cb2a2f0ebb5e901 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 009687f cabal-rpm-2.1.5