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#! /bin/sh
set -e
. /usr/share/debconf/confmodule
# Can be preseeded to true to force cdrom entries to be disabled
db_get apt-setup/disable-cdrom-entries
disable_cdrom_entries="$RET"
# Disable cdrom sources in sources.list after installation
# if installation media is not a real CD (e.g. USB flash drive, SD/MMC card, ISO file)
# or ftp or http(s) sources are present and
# cdrom type is "small" (netinst, live, single-desktop CD)
reason="preseed"
if [ "$disable_cdrom_entries" != "true" ] && \
[ -e /cdrom/.disk/base_installable ] && \
[ -e /cdrom/.disk/cd_type ]; then
install_device="$(grep -F ' /cdrom ' /proc/mounts | cut -d' ' -f1)"
if ! list-devices cd | grep -Fxq "$install_device"; then
# installation device is not a real CD
disable_cdrom_entries="true"
reason="not_a_cd"
elif grep -Eq "^deb (http|ftp)" /target/etc/apt/sources.list; then
case "$(cat /cdrom/.disk/cd_type)" in
not_complete|live|full_cd/single)
disable_cdrom_entries="true"
reason="small_media"
esac
fi
fi
# Comment out the cdrom entries and update APT's cache
if [ "$disable_cdrom_entries" = "true" ]; then
logger -t finish-install "Disabling CDROM entries in sources.list ($reason)"
sed -i "/^deb cdrom:/s/^/#/" /target/etc/apt/sources.list
case "$reason" in
small_media)
cat >> /target/etc/apt/sources.list <<EOF
# This system was installed using small removable media
# (e.g. netinst, live or single CD). The matching "deb cdrom"
# entries were disabled at the end of the installation process.
# For information about how to configure apt package sources,
# see the sources.list(5) manual.
EOF
;;
not_a_cd)
cat >> /target/etc/apt/sources.list <<EOF
# This system was installed using removable media other than
# CD/DVD/BD (e.g. USB stick, SD card, ISO image file).
# The matching "deb cdrom" entries were disabled at the end
# of the installation process.
# For information about how to configure apt package sources,
# see the sources.list(5) manual.
EOF
;;
preseed)
cat >> /target/etc/apt/sources.list <<EOF
# This system was installed using removable media.
# The matching "deb cdrom" entries were disabled at the end
# of the installation process by preseed.
# For information about how to configure apt package sources,
# see the sources.list(5) manual.
EOF
esac
log-output -t finish-install chroot /target apt-get update
fi
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