Bug 1443419 - Extract gtk30.mo files from all the Ubuntu langpacks and bundle them into the snap. p=kenvandine r=sfraser

MozReview-Commit-ID: JB2PojGgike

--HG--
extra : rebase_source : 699a98d0564c8f2a73a0e3687eebcc2885632572

taskcluster/docker/firefox-snap/runme.sh

@@ -47,6 +47,13 @@ for locale in $locales; do
         "$CANDIDATES_DIR/${VERSION}-candidates/build${BUILD_NUMBER}/linux-x86_64/xpi/${locale}.xpi"
 done
 
+# Extract gtk30.mo from Ubuntu language packs
+apt download language-pack-gnome-*-base
+for i in *.deb; do
+    # shellcheck disable=SC2086
+    dpkg-deb --fsys-tarfile $i | tar xv -C "$SOURCE_DEST" --wildcards "./usr/share/locale-langpack/*/LC_MESSAGES/gtk30.mo" || true
+done
+
 # Generate snapcraft manifest
 sed -e "s/@VERSION@/${VERSION}/g" -e "s/@BUILD_NUMBER@/${BUILD_NUMBER}/g" snapcraft.yaml.in > "${WORKSPACE}/snapcraft.yaml"
 cp -v "$SCRIPT_DIRECTORY/mimeapps.list" "$WORKSPACE"

taskcluster/docker/firefox-snap/snapcraft.yaml.in

@@ -48,8 +48,10 @@ parts:
       - libgl1-mesa-glx
       - libmirclient9
       - desktop-file-utils
-      - xdg-utils
       - ffmpeg
+      - xdg-utils
+      - libc-bin
+      - locales-all
     after: [desktop-gtk3]
 
   xdg-open: