$ git clone -n https://src.fedoraproject.org/rpms/linux-firmware.git /var/lib/mock/f45-build-17438-499/root/chroot_tmpdir/scmroot/linux-firmware
Cloning into '/var/lib/mock/f45-build-17438-499/root/chroot_tmpdir/scmroot/linux-firmware'...
$ git fetch origin 5cb9372c529cbca1cd69ebd03b474c8f2a33e03f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/linux-firmware
 * [new ref]         5cb9372c529cbca1cd69ebd03b474c8f2a33e03f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5cb9372 Update to 20260810