$ git clone -n https://src.fedoraproject.org/rpms/alsa-sof-firmware.git /var/lib/mock/f39-build-2084407-50004/root/chroot_tmpdir/scmroot/alsa-sof-firmware
Cloning into '/var/lib/mock/f39-build-2084407-50004/root/chroot_tmpdir/scmroot/alsa-sof-firmware'...
$ git fetch origin fa90ec9fb58445eaa4eb7fa326828eae74ccbb97:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/alsa-sof-firmware
 * [new ref]         fa90ec9fb58445eaa4eb7fa326828eae74ccbb97 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa90ec9 update to v2023.12