snap: fix for native-messaging-host permissions

snap/hooks/connect-plug-etc-chromium-native-messaging-jabref

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+if [ ! -d /var/lib/snapd/hostfs/usr/lib/mozilla/native-messaging-hosts ]; then
+    echo "Missing directory, create it manually then try again:"
+    echo "sudo mkdir -p /etc/chromium/native-messaging-hosts"
+    exit 1
+fi
+
+cp $SNAP/lib/native-messaging-host/chromium/org.jabref.jabref.json /etc/chromium/native-messaging-hosts/org.jabref.jabref.json

snap/hooks/connect-plug-etc-opt-chrome-native-messaging-jabref

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+if [ ! -d /var/lib/snapd/hostfs/usr/lib/mozilla/native-messaging-hosts ]; then
+    echo "Missing directory, create it manually then try again:"
+    echo "sudo mkdir -p /etc/opt/chrome/native-messaging-hosts"
+    exit 1
+fi
+
+cp $SNAP/lib/native-messaging-host/chromium/org.jabref.jabref.json /etc/opt/chrome/native-messaging-hosts/org.jabref.jabref.json

snap/hooks/connect-plug-browser-extension → snap/hooks/connect-plug-hostfs-mozilla-native-messaging-jabref

@@ -6,4 +6,4 @@ if [ ! -d /var/lib/snapd/hostfs/usr/lib/mozilla/native-messaging-hosts ]; then
     exit 1
 fi
 
-cp $SNAP/lib/org.jabref.jabref.json /var/lib/snapd/hostfs/usr/lib/mozilla/native-messaging-hosts/org.jabref.jabref.json
+cp $SNAP/lib/native-messaging-host/firefox/org.jabref.jabref.json /var/lib/snapd/hostfs/usr/lib/mozilla/native-messaging-hosts/org.jabref.jabref.json

snap/hooks/disconnect-plug-etc-chromium-native-messaging-jabref

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+if [ ! -f /etc/chromium/native-messaging-hosts/org.jabref.jabref.json ]; then
+    exit 0
+elif grep --quiet '"path": "/snap' /etc/chromium/native-messaging-hosts/org.jabref.jabref.json; then
+    rm /etc/chromium/native-messaging-hosts/org.jabref.jabref.json
+fi

snap/hooks/disconnect-plug-etc-opt-chrome-native-messaging-jabref

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+if [ ! -f /etc/opt/chrome/native-messaging-hosts/org.jabref.jabref.json ]; then
+    exit 0
+elif grep --quiet '"path": "/snap' /etc/opt/chrome/native-messaging-hosts/org.jabref.jabref.json; then
+    rm /etc/opt/chrome/native-messaging-hosts/org.jabref.jabref.json
+fi

snap/snapcraft.yaml

@@ -12,6 +12,28 @@ license: MIT
 architectures:
   - build-on: amd64
 
+plugs:
+  desktop:
+  desktop-legacy:
+  wayland:
+  unity7:
+  home:
+  opengl:
+  network-bind:
+  removable-media:
+  hostfs-mozilla-native-messaging-jabref:
+    interface: system-files
+    write:
+    - /var/lib/snapd/hostfs/usr/lib/mozilla/native-messaging-hosts/org.jabref.jabref.json
+  etc-opt-chrome-native-messaging-jabref:
+    interface: system-files
+    write:
+    - /etc/opt/chrome/native-messaging-hosts/org.jabref.jabref.json
+  etc-chromium-native-messaging-jabref:
+    interface: system-files
+    write:
+    - /etc/chromium/native-messaging-hosts/org.jabref.jabref.json
+
 apps:
   jabref:
     command: bin/JabRef
@@ -22,34 +44,13 @@ apps:
 
 environment:
   _JAVA_OPTIONS: "-Duser.home=$SNAP_USER_DATA"
-plugs:
-  desktop:
-  desktop-legacy:
-  wayland:
-  unity7:
-  home:
-  opengl:
-  network-bind:
-  removable-media:
-  plugs:
-    hostfs-mozilla-native-messaging-jabref:
-      interface: system-files
-      write:
-      - /var/lib/snapd/hostfs/usr/lib/mozilla/native-messaging-hosts/org.jabref.jabref.json
-    hostfs-chrome-native-messaging-jabref:
-      interface: system-files
-      write:
-      - /var/lib/snapd/hostfs/etc/opt/chrome/native-messaging-hosts/org.jabref.jabref.json
-    hostfs-chromium-native-messaging-jabref:
-      interface: system-files
-      write:
-      - /var/lib/snapd/hostfs/etc/chromium/native-messaging-hosts/org.jabref.jabref.json
+
 parts:
   jabref:
     plugin: dump
-    source: build/distribution/JabRef-portable_linux.tar.gz
+    # source: build/distribution/JabRef-5.0-portable_linux.tar.gz
     # Use this source for debug purposes:
-    # source: https://builds.jabref.org/master/JabRef-portable_linux.tar.gz
+    source: https://builds.jabref.org/master/JabRef-5.0-portable_linux.tar.gz
     stage-packages:
       - x11-utils
     override-build: |