feat: show disapp version on login

files/etc/profile.d/ssh-loginscreen.sh

@@ -40,10 +40,15 @@ SSH_FINGERPRINT="$( ssh-keyscan "${HOSTNAME}" 2> /dev/null | ssh-keygen -E sha25
 	done
 )"
 WEATHER="$( curl -s --max-time 2 'http://rss.accuweather.com/rss/liveweather_rss.asp?metric=1&locCode=EUR|DE|DE01069|DRESDEN|' | sed --quiet '/Currently:/ s/.*: \(.*\): \(-*[0-9]*\)\([CF]\).*/\2°\3, \1/p' )"
-SUBAPP_VERSION="(not installed)"
+# make these two empty, so they only ever show up if the Dis-/SubApps are installed
+DISAPP_VERSION=""
+SUBAPP_VERSION=""
 if [[ $( command -v dpkg ) ]]; then
+	if dpkg -l | grep -q 'dissemination-application4rosetta'; then
+		DISAPP_VERSION="\nDisApp-Version:      $( dpkg --status dissemination-application4rosetta | grep '^Version:' | cut -d ' ' -f 2 )"
+	fi
 	if dpkg -l | grep -q 'submission-application4rosetta'; then
-		SUBAPP_VERSION="$( dpkg --status submission-application4rosetta | grep '^Version:' | cut -d ' ' -f 2 )"
+		SUBAPP_VERSION="\nSubApp-Version:      $( dpkg --status submission-application4rosetta | grep '^Version:' | cut -d ' ' -f 2 )"
 	fi
 fi
 # alternative weather service that provides much nicer icons. However, these icons are not shown nicely in PuTTY
@@ -57,8 +62,7 @@ OS-Version:          ${VERSION}
 Uptime / CPU-Load:  ${UPTIME}
 Running Processes:   ${PROCESSES}
 SSH-Fingerprint:     Len  SHA256:Fingerprint                                Hostname        (Key-Algo)\\n${SSH_FINGERPRINT}
-Wetter:              ${WEATHER}
-SubApp-Version:      ${SUBAPP_VERSION}
+Wetter:              ${WEATHER}${DISAPP_VERSION}${SUBAPP_VERSION}
 
 - Use 'tmux a'         to attach to last tmux session.
 - Press 'Strg+B' and 'd' to leave (detatch from) any tmux session. The session will continue to run in the background.