Migrate sources.list to deb822

labstrap

@@ -71,7 +71,8 @@ run sh -c 'dpkg --get-selections | cut -f1 | xargs apt-mark auto'
 rm -f "$DST/etc/resolv.conf"
 cp -f /etc/resolv.conf "$DST/etc/resolv.conf"
 add_file /etc/apt/
-run sed -i "s,%APT_SOURCE%,${APT_SOURCE:-https://mirrors.ustc.edu.cn},g" /etc/apt/sources.list
+chattr +i "$DST/etc/apt/sources.list" || true
+run sed -i "s,%APT_SOURCE%,${APT_SOURCE:-https://mirrors.ustc.edu.cn},g" /etc/apt/sources.list.d/ubuntu.sources
 run apt-get update
 run apt-get -y dist-upgrade
 
@@ -158,8 +159,8 @@ run apt-mark auto bash-completion cron wget
 run apt-get clean
 
 # Set the apt source of the resulting image to USTC mirrors
-add_file /etc/apt/sources.list
-run sed -i "s,%APT_SOURCE%,https://mirrors.ustc.edu.cn,g" /etc/apt/sources.list
+add_file /etc/apt/sources.list.d/ubuntu.sources
+run sed -i "s,%APT_SOURCE%,https://mirrors.ustc.edu.cn,g" /etc/apt/sources.list.d/ubuntu.sources
 
 # Touching hicolor cache to be very old to force it rebuild on startup
 # As /opt/vlab is inaccessible when building
@@ -175,3 +176,4 @@ rm -rf "$DST/var/lib/apt/lists"/* "$DST/var/lib/dpkg"/*-old
 rm -rf "$DST/var/cache"/*
 rm "$DST/etc/resolv.conf"
 rm -rf "$DST/etc/ssh"/ssh_host_*_key{,.pub}
+rmdir "$DST"/*.usr-is-merged

rootfs/etc/apt/sources.list

@@ -1,10 +1 @@
-# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
-deb %APT_SOURCE%/ubuntu/ noble main restricted universe multiverse
-#deb-src %APT_SOURCE%/ubuntu/ noble main restricted universe multiverse
-deb %APT_SOURCE%/ubuntu/ noble-updates main restricted universe multiverse
-#deb-src %APT_SOURCE%/ubuntu/ noble-updates main restricted universe multiverse
-deb %APT_SOURCE%/ubuntu/ noble-security main restricted universe multiverse
-#deb-src %APT_SOURCE%/ubuntu/ noble-security main restricted universe multiverse
-
-# For libncurses5
-deb %APT_SOURCE%/ubuntu/ jammy universe
+# See /etc/apt/sources.list.d/ubuntu.sources

rootfs/etc/apt/sources.list.d/ubuntu.sources

@@ -0,0 +1,14 @@
+# 默认未添加源码镜像以提高 apt update 速度，如有需要可在 Types: 后面自行添加 deb-src
+# 参见 https://mirrors.ustc.edu.cn/help/ubuntu.html
+Types: deb
+URIs: %APT_SOURCE%/ubuntu/
+Suites: noble noble-updates noble-security
+Components: main restricted universe multiverse
+Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg
+
+# For libncurses5
+Types: deb
+URIs: %APT_SOURCE%/ubuntu/
+Suites: jammy
+Components: universe
+Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

rootfs/etc/skel/.config/mate/backgrounds.xml

@@ -3,7 +3,7 @@
 <wallpapers>
   <wallpaper deleted="false">
     <name>USTC Vlab</name>
-    <filename>/opt/vlab/share/background.png</filename>
+    <filename>/opt/vlab/share/background-24.04.jpg</filename>
     <options>zoom</options>
     <shade_type>vertical-gradient</shade_type>
     <pcolor>rgb(88,145,188)</pcolor>

rootfs/tmp/dconf/user.conf

@@ -63,7 +63,7 @@ togglekeys-enable=false
 
 [org/mate/desktop/background]
 color-shading-type='vertical-gradient'
-picture-filename='/opt/vlab/share/background.png'
+picture-filename='/opt/vlab/share/background-24.04.jpg'
 picture-options='zoom'
 primary-color='rgb(88,145,188)'
 secondary-color='rgb(60,143,37)'