$ git clone -n https://src.fedoraproject.org/rpms/rust-tower-http.git /var/lib/mock/f38-build-side-42-init-devel-1089092-30041/root/chroot_tmpdir/scmroot/rust-tower-http
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1089092-30041/root/chroot_tmpdir/scmroot/rust-tower-http'...
$ git fetch origin 477056ecaaf2a01da41a94556f41a2ceb483102c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tower-http
 * [new ref]         477056ecaaf2a01da41a94556f41a2ceb483102c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 477056e Initial import (#2214428)