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Date: Sun, 27 Aug 2000 16:50:43 +0100
From: Nicholas Clark <nick@talking.bollo.cx>
To: dirson@debian.org
Subject: restarting the apt-zip-list fetch
Message-ID: <20000827165043.A13799@Bagpuss.unfortu.net>
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Package: apt-zip
Severity: wishlist

I've got apt-zip 0.9 installed, and generally find it useful. However, the
fetch script it generated didn't seem to cope too well if the link dropped
and the script had to be restarted. As the fetch script only moves files into
../disk once they are completely transferred, I made a modification to it to
skip downloading any files found in ../disk. This way I could restart the
script and it would not needlessly get any files already successfully
downloaded. My modified fetch script starts:

#!/bin/sh
# auto-generated file from apt-zip-list
set -e
err(){ echo >&2 "Fetching $1 failed ($2)"; }
do_wget(){
wget --passive-ftp -t3 -nv -O $2 $1
ret=0
[ "`which md5sum`" ] && 
if [ "`md5sum $2 | cut -d' ' -f1`" = $4 ]
then return 0
else err $2 "wrong MD5"; return 1
fi
[ "`which gzip`" ] &&
if ar p $2 data.tar.gz | gzip -t
then return 0
else err $2 "wrong contents"; return 1
fi
return 
}
getfile(){
if [ -f ../disk/$2 ]
then
echo Already got $2
else
do_wget $1 $2 $3 $4 &&
mv $2 ../disk/
fi
}
mkdir -p partial disk && cd partial
while read URL FILE SIZE MD5
do getfile $URL $FILE $SIZE $MD5
done <<EOP



If you think this is useful please feel free to include this modification in
the package.

Thanks for a useful program,

Nicholas Clark