$ git clone -n https://src.fedoraproject.org/rpms/meson.git /var/lib/mock/f41-build-side-1-2812405-32940/root/chroot_tmpdir/scmroot/meson
Cloning into '/var/lib/mock/f41-build-side-1-2812405-32940/root/chroot_tmpdir/scmroot/meson'...
$ git fetch origin bec38074863d4fb9750430e36b845cf21310d702:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/meson
 * [new ref]         bec38074863d4fb9750430e36b845cf21310d702 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bec3807 Limit test dependencies in RHEL