$ git clone -n https://src.fedoraproject.org/rpms/libuv.git /var/lib/mock/f40-build-2238008-53555/root/chroot_tmpdir/scmroot/libuv
Cloning into '/var/lib/mock/f40-build-2238008-53555/root/chroot_tmpdir/scmroot/libuv'...
$ git fetch origin 927c17581777c1371ca466317f43ed157fb7fc30:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libuv
 * [new ref]         927c17581777c1371ca466317f43ed157fb7fc30 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 927c175 Temporarily disable tests on CentOS Stream / RHEL