sed -i -re "
s/^[#%](define[ \t]+subver[ \t]+)[0-9]+\$/%\1$subver/
s/^[#%](define[ \t]+githash[ \t]+)[0-9a-fg]+\$/%\1$githash/
sed -i -re "
s/^[#%](define[ \t]+subver[ \t]+)[0-9]+\$/%\1$subver/
s/^[#%](define[ \t]+githash[ \t]+)[0-9a-fg]+\$/%\1$githash/