create source catalogs for live server install sources

debian/changelog

@@ -1,3 +1,9 @@
+livecd-rootfs (2.734) UNRELEASED; urgency=medium
+
+  * Create source catalogs for the installable live server layers.
+
+ -- Michael Hudson-Doyle <michael.hudson@ubuntu.com>  Tue, 03 Aug 2021 16:34:57 +1200
+
 livecd-rootfs (2.733) impish; urgency=medium
 
   [ Michael Hudson-Doyle ]

live-build/auto/config

@@ -810,6 +810,10 @@ case $PROJECT in
 					add_package ubuntu-server-minimal.ubuntu-server.installer.$flavor $kernel_metapkg
 					LIVE_PASSES="${LIVE_PASSES:+$LIVE_PASSES }ubuntu-server-minimal.ubuntu-server.installer.$flavor"
 				done
+
+				/usr/share/livecd-rootfs/checkout-translations-branch \
+					lp:~canonical-foundations/subiquity/translations-export \
+					config/catalog-translations
 				;;
 			*)
 				echo "unrecognized subproject for server: '$SUBPROJECT'"

live-build/lb_binary_layered

@@ -138,6 +138,13 @@ build_layered_squashfs () {
 		fi
 
 		create_squashfs "overlay.${pass}/" ${squashfs_f}
+
+		if [ -f config/$pass.catalog-in.yaml ]; then
+			    /usr/share/livecd-rootfs/update-source-catalog --output livecd.${PROJECT}.install-sources.yaml \
+				    --template config/$pass.catalog-in.yaml \
+				    --size $(du -B 1 -s chroot/ | cut -f1) --squashfs ${pass}.squashfs \
+				    --translations config/catalog-translations
+		fi
 	fi
 
 	if [ -n "$lowerdirs" ]; then

live-build/ubuntu-server/ubuntu-server-minimal.catalog-in.yaml

@@ -0,0 +1,8 @@
+name: "Ubuntu Server (minimized)"
+description: >-
+  This version has been customized to have a small runtime footprint
+  in order to increase workload density in environments where humans
+  are not expected to log in.
+id: ubuntu-server-minimal
+type: fsimage
+variant: server

live-build/ubuntu-server/ubuntu-server-minimal.ubuntu-server.catalog-in.yaml

@@ -0,0 +1,8 @@
+name: "Ubuntu Server"
+description: >-
+  The default install contains a curated set of packages that provide
+  a comfortable experience for operating your server.
+id: ubuntu-server
+default: yes
+type: fsimage-layered
+variant: server