$ git clone -n https://src.fedoraproject.org/rpms/rocclr.git /var/lib/mock/f38-build-side-42-init-devel-1148909-30475/root/chroot_tmpdir/scmroot/rocclr
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1148909-30475/root/chroot_tmpdir/scmroot/rocclr'...
$ git fetch origin c83ce85c3765bd0bb795dbdd71711ddfc7115b22:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rocclr
 * [new ref]         c83ce85c3765bd0bb795dbdd71711ddfc7115b22 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c83ce85 add uint64_t variant for __ffsll