correctly show beta tags

The tag format upstream was extended - this tracks that change.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

dietpi/dietpi-software

@@ -12019,7 +12019,7 @@ _EOF_
 
 			# determine the version
 			local ADSB_FEEDER_DATE_COMPONENT=$(git log -20 --date='format:%y%m%d' --format='%ad' | uniq -c | mawk '{print $2"."$1;exit}')
-			local ADSB_FEEDER_TAG_COMPONENT=$(git describe --match 'v[0-9]*' | cut -d- -f1)
+			local ADSB_FEEDER_TAG_COMPONENT=$(git describe --match "v[0-9]*" --long | sed "s/-[0-9]*-g[0-9a-f]*//")
 			local ADSB_FEEDER_VERSION="$ADSB_FEEDER_TAG_COMPONENT(dietpi)-$ADSB_FEEDER_DATE_COMPONENT"
 
 			# create the target directory for the app and populated with the code from the git checkout