ubuntu-bots/PackageInfo/update_apt

143 lines
4.1 KiB
Bash
Executable File

#!/usr/bin/env bash
# Either set DIR to the same value as supybot.plugins.PackageInfo.aptdir,
# or use the --dir command-line option.
DIR=""
# Be quiet by default.
VERBOSE=0
## Please don't change anything below this line, unless you really know what
## you are doing and don't bother me with whatever errors it produces :)
# Print usage information.
usage() {
echo "Usage $0 [OPTION]..."
echo "Updates the APT package cache for PackageInfo"
echo ""
echo "-h, --help Display this message and exit."
echo "-v, --verbose Be more verbose than normal."
echo "-V, --very-verbose Be even more verbose than normal."
echo "-d, --dir[=DIR] Sets the directory to use when updating the APT package cache."
echo ""
echo "Note:"
echo " Please separate each option with a space, eg:"
echo " $0 -v -d /home/bot/aptdir"
echo " Rather than:"
echo " $0 -vd /home/bot/aptdir"
echo ""
echo "This script is intended to be ran automatically (eg: cron), so it shows no output by default."
echo "You can make the script more verbose with either the -v/--verbose or -V/--very-verbose options."
echo "The -d/--dir option sets the directory where this script looks for *.list files for apt-get."
}
# Prints an error message, usage (above), then exit with the specified exit value.
error() {
local exit_val=$1
shift
echo $@ >&2
usage >&2
exit $exit_val
}
# Runs apt-get update in the specified directory for the specified distribution.
update_apt() {
local apt_dir="$1"
local dist="$2"
local apt_args=""
if [ $VERBOSE -eq 0 ]; then
apt_args="-qq"
elif [ $VERBOSE -eq 1 ]; then
apt_args="-q"
fi
apt-get $apt_args -o="APT::Architecture=i386" \
-o="APT::Architectures::=i386" \
-o "APT::Architectures::=amd64" \
-o="Dir::State::Lists=$apt_dir/$dist" \
-o="Dir::State::Status=$apt_dir/$dist.status" \
-o="Dir::Cache=$apt_dir/cache" \
-o="Dir::Etc::SourceList=$apt_dir/$dist.list" \
update
return $?
}
# main()
# Acepted arguments are:
# -h,--help
# -v,--verbose
# -V,--very-verbose
# -d,--dir[=DIR]
# Check command-line arguments
while [ $# -gt 0 ]; do
case "$1" in
-h|--help)
usage
exit 0
;;
-v|--verbose)
VERBOSE=1
;;
-V|--very-verbose)
VERBOSE=2
;;
-d|--dir)
[ -z "$2" ] && error 1 "\"-d|--dir\" requires an argument."
shift
DIR="$1"
;;
--dir=*)
DIR="${1:6}"
[ -z "$DIR" ] && error 1 "\"--dir\" requires an argument."
;;
-*)
error 1 "Unknown option \"$1\"."
;;
*)
error 1 "This script takes no non-argument parameters."
;;
esac
shift
done
apt_get=$(which apt-get 2>/dev/null)
# Check that apt-get exists and bail if it doesn't.
if [ $? -ne 0 ]; then
echo "ERROR: apt-get not found. Please install apt-get in your \$PATH." >&2
exit 1
fi
#TODO: Remove this section and error out if DIR is not set,
# This could hide errors where DIR/-d was not set, an error message.
if [ -z "$DIR" ]; then
DIR=/home/bot/aptdir
echo "WARNING: No DIR set and no -d/--dir option given, defaulting to \"$DIR\"" >&2
echo "WARNING: Please set DIR on line 5 of $(readlink -f $0) or use the -d/--dir option" >&2
fi
#[ -z "$DIR" ] && error 1 "ERROT: Please set DIR on line 5 of $(readlink -f $0) or use the -d/--dir option"
DIR="$(echo $DIR | sed 's,/*$,,')" # Normalize $DIR
items=$(ls "${DIR}"/*.list 2>/dev/null)
[ $? -ne 0 ] && error 1 "Could not find \"*.list\" files in \"$DIR\"."
for DIST in $items; do
[ -h "$DIST" ] && continue # Ignore symbolic links
# Extract the distribution name from the .list file name.
DIST="${DIST:${#DIR}}"
DIST="${DIST/.list}"
DIST="${DIST:1}"
touch "${DIR}/${DIST}.status" # Create APT status file
mkdir -p "${DIR}/${DIST}/partial" # APT needs this to exist
update_apt "$DIR" "$DIST" # Update the package list with apt-get
done