$ git clone -n https://src.fedoraproject.org/rpms/ghc-http-conduit.git /var/lib/mock/f38-build-side-42-init-devel-979093-28994/root/chroot_tmpdir/scmroot/ghc-http-conduit
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-979093-28994/root/chroot_tmpdir/scmroot/ghc-http-conduit'...
$ git fetch origin 55da301328c7bff8c3d4587a5b922aae2cc91016:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-http-conduit
 * [new ref]         55da301328c7bff8c3d4587a5b922aae2cc91016 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55da301 Convert to %autorelease and %autochangelog