From e8e25decb32934acf967d9ff80ad870e4d62ec52 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 12 Oct 2017 10:07:13 +0200
Subject: Add ability to install extra packages, use to add
 lm-sensors/monitoring

---
 bootstrap | 87 ++++++++++++++++++++++++++++++++++-----------------------------
 1 file changed, 47 insertions(+), 40 deletions(-)

(limited to 'bootstrap')

diff --git a/bootstrap b/bootstrap
index 380ae5e..4c2834f 100755
--- a/bootstrap
+++ b/bootstrap
@@ -26,13 +26,46 @@
 #
 usage="usage: $0"
 
+macaddr="de:ad:be:ef:b8:da" # @@ TMP Mmac address for testing.
+
 id="$(id -un)"
 btrfs=/btrfs
+root="$btrfs/$id/buildos"
+
+# Source distribution and packages. Base packages are installed on stage 1 via
+# debootstrap. Extra packages are added on stage 4 via apt-get install. The
+# idea is to be able to add extra packages without upgrading the base system.
+# When we do upgrade the base system we normally move the extras to base.
+#
+# Notes:
+#
+#  - some packages (such as CPU microcode updates) are in non-free.
+#  - systemd-container seems to be required by host systemd-nspawn.
+#  - not installing linux-image-amd64 since building custom below
+#
 release="unstable"
+components="main,contrib,non-free"
 mirror="https://deb.debian.org/debian/"
-macaddr="de:ad:be:ef:b8:da" # Mac address for testing.
 
-root="$btrfs/$id/buildos"
+base_pkgs="locales,klibc-utils,sudo,systemd-container,udev"
+base_pkgs+=",kmod,linux-base,firmware-linux-free,irqbalance,pciutils,usbutils"
+base_pkgs+=",intel-microcode,amd64-microcode"
+base_pkgs+=",hdparm,btrfs-progs"
+
+base_pkgs+=",net-tools,iproute2,iptables,isc-dhcp-client"
+base_pkgs+=",ifupdown,bridge-utils,dnsmasq,ntp,postfix"
+base_pkgs+=",iputils-ping,wget,curl"
+base_pkgs+=",openssh-client,openssh-server"
+base_pkgs+=",tftp-hpa,tftpd-hpa"
+
+base_pkgs+=",bzip2,xz-utils"
+base_pkgs+=",less,nano"
+
+base_pkgs+=",qemu-kvm,qemu-utils,socat"
+
+base_pkgs+=",g++,make,pkg-config"
+
+extra_pkgs="lm-sensors"
 
 owd="$(pwd)"
 trap "{ cd '$owd'; exit 1; }" ERR
@@ -149,46 +182,13 @@ if [ "$stage" -eq "1" ]; then
 
   subvol_create "$root"
 
-  # Notes:
-  #
-  #  - some packages (such as CPU microcode updates) are in non-free.
-  #
-  #  - systemd-container seems to be required by host systemd-nspawn.
-  #
-  #  - no linux-image-amd64 since building custom below
-  #
-  comps="main,contrib,non-free"
-
-  pkgs="locales,klibc-utils,sudo,systemd-container,udev"
-
-  pkgs+=",kmod,linux-base,firmware-linux-free,irqbalance,pciutils,usbutils"
-
-  pkgs+=",intel-microcode,amd64-microcode"
-
-  #pkgs+=",lsof,auditd"
-
-  pkgs+=",hdparm,btrfs-progs"
-
-  pkgs+=",net-tools,iproute2,iptables,isc-dhcp-client"
-  pkgs+=",ifupdown,bridge-utils,dnsmasq,ntp,postfix"
-  pkgs+=",iputils-ping,wget,curl"
-  pkgs+=",openssh-client,openssh-server"
-  pkgs+=",tftp-hpa,tftpd-hpa"
-
-  pkgs+=",bzip2,xz-utils"
-  pkgs+=",less,nano"
-
-  pkgs+=",qemu-kvm,qemu-utils,socat"
-
-  pkgs+=",g++,make,pkg-config"
-
   sudo debootstrap \
     --foreign \
     --arch=amd64 \
     --merged-usr \
     --variant=minbase \
-    --components="$comps" \
-    --include="$pkgs" \
+    --components="$components" \
+    --include="$base_pkgs" \
     "$release" "$root" "$mirror"
 
   # Post-phase 1 fixups.
@@ -364,7 +364,7 @@ cd linux
 
 # Adjust kernel command line size limit.
 #
-sed -i -re 's/^(#define COMMAND_LINE_SIZE ).+$/\1 4096/' arch/x86/include/asm/setup.h
+sed -i -re 's/^(#define COMMAND_LINE_SIZE ).+\$/\1 4096/' arch/x86/include/asm/setup.h
 make oldconfig
 scripts/config --disable DEBUG_INFO
 
@@ -413,8 +413,8 @@ fi
 #
 if [ "$stage" -le "4" ]; then
 
-  # Write the setup script (the service is already there from stage 3) that
-  # will finish the setup.
+  # Write the setup script that will finish the setup (the service is already
+  # there from stage 3).
   #
   write <<EOF /bootstrap/setup
 #!/bin/bash
@@ -422,6 +422,13 @@ if [ "$stage" -le "4" ]; then
 trap "exit 1" ERR
 set -x
 
+# Install extra packages.
+#
+apt-get update
+for p in \$(sed -e 's/,/ /g' <<<"$extra_pkgs"); do
+  apt-get install -y --no-install-recommends "\$p"
+done
+
 # Create the build user, /build home directory. Make a password-less sudo'er.
 #
 # Note that we force UID/GID to specific numbers to make sure they are
-- 
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