trisquel-keyring: Added new key and manage apt keys through trusted.gpg.d

extra/trisquel-keyring/debian/changelog

+trisquel-keyring (2022.10.19) aramo; urgency=medium
+
+  * Added new key 4AD4C938
+  * Handle apt keys via trusted.gpg.d
+
+ -- Rubén Rodríguez <ruben@trisquel.info>  Wed, 19 Oct 2022 14:30:23 -0400
+
 trisquel-keyring (2018.02.19) flidas; urgency=medium
 
   * Make sure new keys are always processed

extra/trisquel-keyring/debian/postinst

-#!/bin/sh
-
-# make sure apt knows about the new keys
-if [ -x /usr/bin/apt-key ]; then
-    /usr/bin/apt-key add /usr/share/keyrings/trisquel-archive-keyring.gpg
-    /usr/bin/apt-key update
-fi
-
-# the keyring in /var that gets fetched by apt-key net-update
-# if it does not yet exist, copy it to avoid uneeded net copy
-KEYRINGDIR="/var/lib/apt/keyrings"
-KEYRING="${KEYRINGDIR}/trisquel-archive-keyring.gpg"
-
-if ! test -d $KEYRINGDIR; then
-     mkdir -m 755 -p $KEYRINGDIR
-fi
-
-if ! test -f $KEYRING; then
-     cp /usr/share/keyrings/trisquel-archive-keyring.gpg $KEYRING
-     touch $KEYRING
-fi

extra/trisquel-keyring/debian/rules

@@ -27,11 +27,13 @@ binary-indep: checkroot
 	$(checkdir)
 	-rm -rf debian/tmp
 	$(install_dir) debian/tmp/DEBIAN/
-	$(install_script) debian/postinst debian/tmp/DEBIAN/
 
 	$(install_dir) debian/tmp/usr/share/keyrings/
 	$(install_file) keyrings/trisquel-archive-keyring.gpg debian/tmp/usr/share/keyrings/
 
+	$(install_dir) debian/tmp/etc/apt/trusted.gpg.d/
+	$(install_file) keyrings/trisquel-archive-keyring.gpg debian/tmp/etc/apt/trusted.gpg.d/
+
 	$(install_dir) debian/tmp/usr/share/doc/trisquel-keyring/
 	$(install_file) debian/changelog debian/tmp/usr/share/doc/trisquel-keyring/changelog
 	gzip -9v debian/tmp/usr/share/doc/trisquel-keyring/*