$ git clone -n https://src.fedoraproject.org/rpms/ghc-network-multicast.git /var/lib/mock/f38-build-side-42-init-devel-938983-28757/root/chroot_tmpdir/scmroot/ghc-network-multicast
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-938983-28757/root/chroot_tmpdir/scmroot/ghc-network-multicast'...
$ git fetch origin 2c1cb7f800c8c1ad596a3ed7cf7ee0355e563569:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-network-multicast
 * [new ref]         2c1cb7f800c8c1ad596a3ed7cf7ee0355e563569 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c1cb7f Convert to %autorelease and %autochangelog