$ git clone -n https://src.fedoraproject.org/rpms/gnome-firmware.git /var/lib/mock/f37-build-680246-76822/root/chroot_tmpdir/scmroot/gnome-firmware
Cloning into '/var/lib/mock/f37-build-680246-76822/root/chroot_tmpdir/scmroot/gnome-firmware'...
$ git reset --hard 15c01e4fca81540e03dcffa8df1881ff99e28df7
HEAD is now at 15c01e4 New upstream release