Update base realmfs from buster to bullseye

- Base realmfs is now based on Debian bullseye
- Replaced buster link in docs/duck/realmfs.duck with bullseye
- Added neovim as the default vim in the base realmfs packages

docs/duck/realmfs.duck

@@ -53,7 +53,7 @@ The apt source lines use the special Apt-Cacher NG syntax.
 [code]
   /etc/apt/sources.list
 
-  deb http://HTTPS///deb.debian.org/debian buster main contrib non-free
+  deb http://HTTPS///deb.debian.org/debian bullseye main contrib non-free
 
 Using a package cache avoids downloading and storing packages multiple times
 when updating multiple RealmFS images. It also makes it possible to download and

realmfs-builder/basic-image.conf

@@ -1 +1 @@
-PACKAGES="man manpages vim-nox iputils-ping tmux vifm gnome-terminal firefox nautilus eog evince unzip x264 yelp"
+PACKAGES="man manpages neovim iputils-ping tmux vifm gnome-terminal firefox nautilus eog evince unzip x264 yelp"

realmfs-builder/build-template.conf

@@ -26,7 +26,7 @@ PACKAGES="man manpages vim-nox iputils-ping tmux gnome-terminal firefox nautilus
 # they can just be deleted.  Or you can keep them, the result will be the same.
 #
 
-DEBIAN_RELEASE="buster"
+DEBIAN_RELEASE="bullseye"
 DEBIAN_MIRROR="https://deb.debian.org/debian"
 
 #

realmfs-builder/common.inc

@@ -1,6 +1,6 @@
 
 : ${DEBIAN_MIRROR:="https://deb.debian.org/debian"}
-: ${DEBIAN_RELEASE:="buster"}
+: ${DEBIAN_RELEASE:="bullseye"}
 
 BASE_PACKAGES="iproute2 less xz-utils sudo dbus libpam-systemd openssh-client packagekit-gtk3-module libcanberra-gtk3-module libpulse0 fonts-roboto-hinted bash-completion"
 

realmfs-builder/realmfs-modules/write-apt-sources

@@ -2,7 +2,7 @@ info "Writing /etc/apt/sources.list"
 
 {
     echo "deb ${DEBIAN_MIRROR} ${DEBIAN_RELEASE} main contrib non-free"
-    echo "deb ${DEBIAN_MIRROR}-security ${DEBIAN_RELEASE}/updates main contrib non-free"
+    echo "deb ${DEBIAN_MIRROR}-security ${DEBIAN_RELEASE}-security main contrib non-free"
     echo "deb ${DEBIAN_MIRROR} unstable main"
 
 } > /etc/apt/sources.list