Drop support for lenny, squeeze, wheezy, jessie, stretch + buster Deb…

…ian releases and default to bookworm

Debian lenny (v5), squeeze (v6), wheezy (v7), jessie (v8),
stretch (v9) and buster (v10) are all EOL and we don't support
any of them any longer.

docs/grml-live.txt

@@ -202,7 +202,7 @@ Specify name of the release.
 
 Specify the Debian suite you want to use for your live-system. If unset defaults
 to "testing". Supported values are: stable, testing, unstable (or their
-corresponding release names like "stretch"). Please be aware that recent Debian
+corresponding release names like "bookworm"). Please be aware that recent Debian
 suites might require a recent base.tgz
 (${GRML_FAI_CONFIG}/config/basefiles/$CLASSNAME.tar.gz) or a recent version of
 debootstrap.
@@ -522,9 +522,9 @@ The easiest way to get a running grml-live setup is to just use Grml.
 Of course using grml-live on a plain, original Debian installation is supported
 as well. So there we go.
 
-What we have: plain, original Debian stretch (9.x).
+What we have: plain, original Debian bookworm (v12).
 
-What we want: build a Grml ISO based on Debian/stretch for the amd64 architecture
+What we want: build a Grml ISO based on Debian/bookworm for the amd64 architecture
 using grml-live.
 
 Instructions
@@ -566,7 +566,7 @@ Instructions
   # CHROOT_INSTALL="/etc/grml/fai/chroot_install"
   ## adjust if necessary (defaults to ./grml/):
   ## OUTPUT="/srv/grml-live"
-  FAI_DEBOOTSTRAP="stretch http://ftp.debian.org/debian/"
+  FAI_DEBOOTSTRAP="bookworm http://deb.debian.org/debian/"
   # ARCH="amd64"
   CLASSES="GRMLBASE,GRML_FULL,AMD64"
   EOF
@@ -689,7 +689,7 @@ FAI_DEBOOTSTRAP:
   [...]
   APT_PROXY="http://localhost:3142/"
   [...]
-  FAI_DEBOOTSTRAP="stretch http://localhost:3142/ftp.debian.org/debian stretch main contrib non-free"
+  FAI_DEBOOTSTRAP="bookworm http://localhost:3142/ftp.debian.org/debian bookworm main contrib non-free"
 
 Make sure apt-cacher-ng is running ('/etc/init.d/apt-cacher-ng restart').
 That's it.  All downloaded files will be cached in /var/cache/apt-cacher-ng then.
@@ -719,7 +719,7 @@ How do I create a base tar.gz (I386.tar.gz or AMD64.tar.gz)
 First of all create the chroot using debootstrap (requires root):
 
   BASECHROOT='/tmp/basefile'  # path where the chroot gets generated
-  SUITE='stretch'              # using the current stable release should always work
+  SUITE='bookworm'              # using the current stable release should always work
   debootstrap --exclude=info,tasksel,tasksel-data "$SUITE" "$BASECHROOT" http://ftp.debian.org/debian
   tar -C "$BASECHROOT" --exclude='var/cache/apt/archives/*.deb' -zcf "${SUITE}".tar.gz ./
 

etc/grml/fai/config/scripts/GRMLBASE/15-initsetup

@@ -16,20 +16,11 @@ systemd_setup() {
   echo "Enabling user '$USERNAME' for autologin"
   sed -i "s/\$USERNAME/$USERNAME/" "$target"/etc/systemd/system/getty@tty*.service.d/override.conf
 
-  case "$(cat "${target}"/etc/debian_version)" in
-    8.*)
-      echo "Debian jessie detected. Enabling workaround for unknown systemctl preset-all/set-default exit failure."
-      $ROOTCMD systemctl preset-all || true
-      $ROOTCMD systemctl set-default grml-boot.target || true
-      ;;
-    *)
-      # workaround for #992847 to workaround /lib/systemd -> /usr/lib/systemd transition
-      $ROOTCMD rm -f /etc/systemd/system/syslog.service
+  # workaround for #992847 to workaround /lib/systemd -> /usr/lib/systemd transition
+  $ROOTCMD rm -f /etc/systemd/system/syslog.service
 
-      $ROOTCMD systemctl preset-all
-      $ROOTCMD systemctl set-default grml-boot.target
-      ;;
-  esac
+  $ROOTCMD systemctl preset-all
+  $ROOTCMD systemctl set-default grml-boot.target
 }
 
 file_rc_setup() {

etc/grml/grml-live.conf

@@ -49,7 +49,7 @@
 
 # Which Debian suite/release do you want to use?
 # Supported values are: stable, testing, unstable (or their corresponding release
-# names like "stretch").
+# names like "bookworm").
 # Unless it is set it defaults to "testing".
 # SUITE="unstable"
 
@@ -66,7 +66,7 @@
 
 # Which Debian suite and which mirror do you want to use for debootstrapping?
 # Usage: "<suite> <mirror>"
-# FAI_DEBOOTSTRAP="stretch http://ftp.debian.org/debian"
+# FAI_DEBOOTSTRAP="bookworm http://ftp.debian.org/debian"
 
 # Do you want to use a local mirror (like NFS)?
 # If so specify the directory where debian/ is available:

etc/zsh/completion.d/_grml-live

@@ -47,7 +47,7 @@ _grmllive_suites() { #{{{
   local -a suites
 
   suites=(
-    stable testing unstable jessie stretch buster sid
+    stable testing unstable bullseye bookworm sid
   )
   _wanted list expl 'Debian suite' compadd ${expl} -- ${suites}
 }