$ git clone -n https://src.fedoraproject.org/rpms/libfaketime.git /var/lib/mock/f40-build-773784-127378/root/chroot_tmpdir/scmroot/libfaketime
Cloning into '/var/lib/mock/f40-build-773784-127378/root/chroot_tmpdir/scmroot/libfaketime'...
$ git fetch origin ff0c9dd30ca2f99ebe6c84348cc728fa2f00d863:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libfaketime
 * [new ref]         ff0c9dd30ca2f99ebe6c84348cc728fa2f00d863 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff0c9dd - Fix for building for riscv64