$ git clone -n https://src.fedoraproject.org/rpms/slowhttptest.git /var/lib/mock/f41-build-side-1-2669972-28990/root/chroot_tmpdir/scmroot/slowhttptest
Cloning into '/var/lib/mock/f41-build-side-1-2669972-28990/root/chroot_tmpdir/scmroot/slowhttptest'...
$ git fetch origin f3721434304800d27aa395e19f84a7441c236989:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/slowhttptest
 * [new ref]         f3721434304800d27aa395e19f84a7441c236989 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f372143 convert ASL 2.0 license to SPDX