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#!/bin/sh
# verify and optionally save out the file
set -e
ASV_TIMEOUT="${ASV_TIMEOUT:--o Acquire::http::Timeout=30}"
NL="
"
NOTEST=""
PROGRESS=""
PROGRESS_FROM=""
PROGRESS_TO=""
file=""
while [ "$1" ]; do
case "$1" in
--invalid)
NOTEST=1 ;;
--from)
shift
PROGRESS_FROM=$1 ;;
--to)
shift
PROGRESS_TO=$1 ;;
*)
if [ -z "$file" ]; then
file="$1"
else
saveto="$1"
fi ;;
esac
shift
done
if [ "$PROGRESS_FROM" ] && [ "$PROGRESS_TO" ] && \
[ $PROGRESS_FROM -lt $PROGRESS_TO ]; then
PROGRESS=1
else
DAP_OPTS="--no-progress"
fi
logoutput=""
if [ "$CATCHLOG" ]; then
logoutput="log-output -t apt-setup"
fi
chroot=
intarget=
if [ "$ROOT" ]; then
chroot=chroot
intarget=in-target
fi
saveline () {
if [ "$saveto" ]; then
echo "$*" >> $saveto
fi
}
# Cancellation may still have reliability problems:
# - application does not seem to always react to a cancel signal?
# - debconf-apt-progress sometimes fails to exit with code 30 when cancelled?
# See also thread http://lists.debian.org/debian-boot/2008/01/msg00094.html
valid () {
local line="$1"
local dap_opts="$2"
[ "${line%%:*}" != "deb cdrom" ] || return 0
# Ubuntu change: network sources are always valid; apt will cope
# gracefully later, even though the network may not be available
# now.
return 0
tmp=$($chroot $ROOT tempfile)
echo "$line" > $ROOT$tmp
code=0
$logoutput $intarget debconf-apt-progress --logstderr $dap_opts -- \
apt-get -o APT::Get::List-Cleanup=false \
-o Dir::Etc::sourcelist=$tmp $ASV_TIMEOUT update || code=$?
if [ $code -eq 30 ]; then
exit 30 # canceled
elif [ $code -eq 0 ]; then
rm -f $ROOT$tmp
else
rm -f $ROOT$tmp
false
fi
}
# Ubuntu change: need to run apt-get update for everything in one go here,
# since we've disabled the run in the valid function above. Doing everything
# in one go also allows apt-get to cache resolver failures and connection
# timeouts and so be significantly faster when the network is unavailable.
tmp=$($chroot $ROOT tempfile)
cat "$file" > $ROOT$tmp
if [ "$PROGRESS" ]; then
DAP_OPTS="--dlwaypoint 100 --from $PROGRESS_FROM --to $PROGRESS_TO"
fi
$logoutput $intarget debconf-apt-progress --logstderr $DAP_OPTS -- \
apt-get -o APT::Get::List-Cleanup=false \
-o Dir::Etc::sourcelist=$tmp $ASV_TIMEOUT update || true
rm -f $ROOT$tmp
if [ "$PROGRESS" ]; then
tot_items=$(grep -Ev "^(#.*|)[[:space:]]*$" $file | wc -l)
p_from=$PROGRESS_FROM
fi
items=0
gooditems=0
OLDIFS="$IFS"
IFS="$NL"
# Can't just iterate over $(cat $file) because that kills newlines, so
# introduce a dummy colon.
for line in $(sed 's/^/:/' $file); do
IFS="$OLDIFS"
line="${line#:}"
if echo "$line" | grep -Evq "^(#.*|)[[:space:]]*$"; then
items=$(expr $items + 1)
# Write blank line between generators
if [ $items = 1 ] && [ -f "$saveto" ]; then
saveline ""
fi
if [ "$PROGRESS" ]; then
[ $items -eq 1 ] || p_from=$p_to
p_to=$(expr $PROGRESS_FROM + \
\( $PROGRESS_TO - $PROGRESS_FROM \) \* \
$items / $tot_items)
DAP_OPTS="--dlwaypoint 100 --from $p_from --to $p_to"
fi
if [ -z "$NOTEST" ] && valid "$line" "$DAP_OPTS"; then
gooditems=$(expr $gooditems + 1)
saveline "$line"
else
saveline "# Line commented out by installer because it failed to verify:"
saveline "#$line"
fi
else
# Ignore leading empty lines
if [ $items -ne 0 ] || [ "$line" ]; then
saveline "$line"
fi
fi
done
if [ $gooditems -ne $items ]; then
exit 1
fi
|