disable update check for PPA builds

.github/workflows/debian.yml

@@ -97,7 +97,8 @@ jobs:
         run: |
           cp -r dist/linux/debian/ pkgdir
           export RFC2822_TIMESTAMP=`date --rfc-2822`
-          envsubst '${SEMVER_STR} ${VERSION_NUM} ${REVISION_NUM}' < dist/linux/debian/rules > pkgdir/debian/rules
+          export DISABLE_UPDATE_CHECK=${{ inputs.dput }}
+          envsubst '${SEMVER_STR} ${VERSION_NUM} ${REVISION_NUM} ${DISABLE_UPDATE_CHECK}' < dist/linux/debian/rules > pkgdir/debian/rules
           envsubst '${PPA_VERSION} ${RFC2822_TIMESTAMP}' < dist/linux/debian/changelog > pkgdir/debian/changelog
           find . -name "*.jar" >> pkgdir/debian/source/include-binaries
           mv pkgdir cryptomator_${{ inputs.ppaver }}

dist/linux/debian/rules

@@ -59,6 +59,7 @@ override_dh_auto_build:
 		--java-options "-Dcryptomator.integrationsLinux.trayIconsDir=\"/usr/share/icons/hicolor/symbolic/apps\"" \
 		--java-options "-Dcryptomator.buildNumber=\"deb-${REVISION_NUM}\"" \
 		--java-options "-Dcryptomator.appVersion=\"${SEMVER_STR}\"" \
+		--java-options "-Dcryptomator.disableUpdateCheck=\"${DISABLE_UPDATE_CHECK}\"" \
 		--app-version "${VERSION_NUM}.${REVISION_NUM}" \
 		--resource-dir resources \
 		--verbose