Use build env archive mirror in binary hooks

live-build/functions

@@ -87,6 +87,25 @@ mount_image() {
     return 0
 }
 
+setup_sourceslist(){
+    # Use the build environment apt mirror during the build,
+    # for both archive and security.
+    # live-build does this in the chroot (lb_chroot_archives)
+    # but not for the binary hooks
+
+    . config/bootstrap  # For the LB_MIRROR_* variables
+    cp -a "${mountpoint}/etc/apt/sources.list" sources.list.tmp
+    sed -i "s#http://archive.ubuntu.com/ubuntu#${LB_PARENT_MIRROR_CHROOT}#g" \
+        "${mountpoint}/etc/apt/sources.list"
+    sed -i "s#http://security.ubuntu.com/ubuntu#${LB_PARENT_MIRROR_CHROOT}#g" \
+        "${mountpoint}/etc/apt/sources.list"
+}
+
+recover_sourceslist(){
+    # Remove the build environment apt mirror from the image
+    mv sources.list.tmp "${mountpoint}/etc/apt/sources.list"
+}
+
 setup_mountpoint() {
     local mountpoint="$1"
 
@@ -109,6 +128,7 @@ setup_mountpoint() {
     cp /etc/resolv.conf "$mountpoint/etc/resolv.conf"
     mv "$mountpoint/etc/nsswitch.conf" nsswitch.conf.tmp
     sed 's/systemd//g' nsswitch.conf.tmp > "$mountpoint/etc/nsswitch.conf"
+    setup_sourceslist "${mountpoint}"
     chroot "$mountpoint" apt-get update
 
 }
@@ -125,6 +145,7 @@ teardown_mountpoint() {
         mount --make-private $submount
         umount $submount
     done
+    recover_sourceslist "${mountpoint}"
     mv resolv.conf.tmp "$mountpoint/etc/resolv.conf"
     mv nsswitch.conf.tmp "$mountpoint/etc/nsswitch.conf"
 }