$ git clone -n https://src.fedoraproject.org/rpms/simde.git /var/lib/mock/f38-build-side-42-init-devel-768172-27747/root/chroot_tmpdir/scmroot/simde
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-768172-27747/root/chroot_tmpdir/scmroot/simde'...
$ git fetch origin 627475a7ca75a811451aee68b5cbc5e26628a817:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/simde
 * [new ref]         627475a7ca75a811451aee68b5cbc5e26628a817 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 627475a Upgrade to SIMDe 0.7.4 rc1.