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|
#!/bin/sh
set -eu
STATUS_LIB=/var/lib/di-netboot-assistant
TFTP_ROOT=/var/lib/tftpboot
N_A_DIR=d-i/n-a
if [ -e /etc/di-netboot-assistant/di-netboot-assistant.conf ] ; then
. /etc/di-netboot-assistant/di-netboot-assistant.conf
fi
migrate_pxelinux_prefix() {
echo 'Migrating current setup to use PXELinux "::/" (absolute TFTP path).'
SEDCMD1='s,^\(\s*\(KERNEL\|APPEND\|include\|config\|menu background\|f[0-9]\)\s\+\)\(debian-installer\),\1::/\3,i'
SEDCMD2='s,^\(\s*APPEND\s\+.*initrd=\)\([^:]\),\1::/\2,i'
SEDCMD3='s,^\(\s*\(default\|display\)\s\+\)\([^:].*/\),\1::/\3,i'
if [ -d "$STATUS_LIB" ]; then
find $STATUS_LIB -name '*.pxelinux.menu.fragment' \
| xargs -r -n 1 \
sed -i -e "$SEDCMD1"
fi
if [ -d "$TFTP_ROOT/debian-installer" ]; then
find $TFTP_ROOT/debian-installer -type f -a \( -name "default" -o -name "boot.txt" -o -name '*.cfg' \) \
| xargs -r -n 1 \
sed --in-place=.mig-bak -e "$SEDCMD1" -e "$SEDCMD2" -e "$SEDCMD3"
fi
}
migrate_dir() {
echo "Migrating setup to use $TFTP_ROOT/$N_A_DIR/ as di-netboot-assistant's directory."
if [ -d "$TFTP_ROOT/debian-installer" ] && \
grep -q di-netboot-assistant $TFTP_ROOT/debian-installer/README.txt > /dev/null 2>&1 ; then
[ -d "$TFTP_ROOT/$N_A_DIR" ] && mv $TFTP_ROOT/$N_A_DIR $TFTP_ROOT/${N_A_DIR}_$(date +%Y%m%d%H%M%S)
mkdir -p $TFTP_ROOT/$N_A_DIR
mv $TFTP_ROOT/debian-installer/* $TFTP_ROOT/$N_A_DIR && \
rmdir --ignore-fail-on-non-empty $TFTP_ROOT/debian-installer
find $TFTP_ROOT/$N_A_DIR -type f -a \( -name "default" -o -name "boot.txt" -o -name '*.cfg' \) \
| xargs -r -n 1 sed -i -e "s#::/debian-installer/#::/$N_A_DIR/#g"
sed -i -e "s# /debian-installer/# /$N_A_DIR/#g" $TFTP_ROOT/$N_A_DIR/grub/grub.cfg
else
echo "Directory $TFTP_ROOT/debian-installer not found or not managed by di-netboot-assistant."
fi
if [ -d "$STATUS_LIB" ]; then
find $STATUS_LIB -type f | xargs -r -n 1 sed -i -e "s#debian-installer/#$N_A_DIR/#g"
fi
}
case "$1" in
configure)
oldver=$2
if [ "$oldver" ] && dpkg --compare-versions "$2" lt 0.37; then
migrate_pxelinux_prefix
fi
if [ "$oldver" ] && dpkg --compare-versions "$2" lt 0.51; then
migrate_dir
fi
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
#DEBHELPER#
exit 0
|
