Merge branch 'upstream'

[automated-distro-installer] / fai / config / scripts / DEBIAN / 40-misc

diff --git a/fai/config/scripts/DEBIAN/40-misc b/fai/config/scripts/DEBIAN/40-misc
index 8308bbe33dae7b662437697b6d7959cfc11d5ce4..54ca499776933ec6df716178d5e8a1e772c05d6d 100755 (executable)
--- a/fai/config/scripts/DEBIAN/40-misc
+++ b/fai/config/scripts/DEBIAN/40-misc
@@ -3,6 +3,22 @@
 # (c) Thomas Lange, 2001-2016, lange@debian.org
 # (c) Michael Goetze, 2010-2011, mgoetze@mgoetze.net
 
+
+# on ubuntu 16.04 which didn't run this script, some things which didn't
+# apply:
+# /etc/dpkg/dpkg.cfg.d/fai didn't exist,
+# machine-id was already setup.
+
+# on that system and a debian stretch system, after reboot,
+# some things done here don't seem to persist:
+# some thin/etc/mtab is symlink somewhere else,
+# and mailname is $HOSTNAME.lan
+
+# the adjtime thing is to support changing the system clock
+# from representing UTC (the default) to localtime (windows default).
+
+# afaik, the only useful thing here for me is setting /etc/hostname
+
 error=0; trap 'error=$(($?>$error?$?:$error))' ERR # save maximum error code
 
 # a list of modules which are loaded at boot time
@@ -28,7 +44,12 @@ elif [ -f $target/lib/systemd/system/getty@.service ]; then
     sed -i -e 's#sbin/agetty --noclear#sbin/agetty -f /etc/issue.linuxlogo --noclear#' $target/lib/systemd/system/getty@.service
 fi
 
-if [ ! -f $target/etc/machine-id -a -f $target/bin/systemd-machine-id-setup ]; then
+# make sure a machine-id exists
+if [ ! -f $target/etc/machine-id ]; then
+    > $target/etc/machine-id
+fi
+# recreate machine-id if the file is empty
+if [ X"$(stat -c '%s' $target/etc/machine-id 2>/dev/null)"  = X0 -a -f $target/bin/systemd-machine-id-setup ]; then
     $ROOTCMD systemd-machine-id-setup
 fi
 
@@ -36,13 +57,11 @@ ln -fs /proc/mounts $target/etc/mtab
 
 rm -f $target/etc/dpkg/dpkg.cfg.d/fai $target/etc/dpkg/dpkg.cfg.d/unsafe-io
 
-if [ $FAI_ACTION = "install" -o $FAI_ACTION = "dirinstall" ] ; then
-  [ -f /etc/fai/fai.conf ] && cp /etc/fai/fai.conf $target/etc/fai/fai.conf
+if [ -d /etc/fai ]; then
+    if ! fcopy -Mv /etc/fai/fai.conf; then
+       ainsl -a /etc/fai/fai.conf "FAI_CONFIG_SRC=$FAI_CONFIG_SRC"
+    fi
 fi
-
-ainsl -a /etc/fai/fai.conf "FAI_CONFIG_SRC=$FAI_CONFIG_SRC"
-
-fcopy -Miv /etc/fai/fai.conf
 fcopy -iv /etc/rc.local
 
 exit $error