$ git clone -n https://src.fedoraproject.org/rpms/rust-krunvm.git /var/lib/mock/f40-build-740019-109438/root/chroot_tmpdir/scmroot/rust-krunvm
Cloning into '/var/lib/mock/f40-build-740019-109438/root/chroot_tmpdir/scmroot/rust-krunvm'...
$ git fetch origin 9e2e394ff3722725630032691d304e7fe6426b73:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-krunvm
 * [new ref]         9e2e394ff3722725630032691d304e7fe6426b73 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e2e394 Regenerate with rust2rpm v24