$ git clone -n https://src.fedoraproject.org/rpms/wasi-libc.git /var/lib/mock/f38-build-side-42-init-devel-1083582-29940/root/chroot_tmpdir/scmroot/wasi-libc
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1083582-29940/root/chroot_tmpdir/scmroot/wasi-libc'...
$ git fetch origin de5e8ab4fd7b8431e2daa101d2d1a8bf15e5715e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wasi-libc
 * [new ref]         de5e8ab4fd7b8431e2daa101d2d1a8bf15e5715e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at de5e8ab Add smoke test asserting basic functionality