35 lines
679 B
Plaintext
35 lines
679 B
Plaintext
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#!/bin/sh
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if [ "$#" -ne 1 ]; then
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echo "Usage: $0 <url>" 1>&2
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exit 1
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fi
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url="$1"
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to=$(basename "$url")
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count=0
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what='fetching'
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while :
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do
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if [ "$count" -eq 20 ]; then
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echo "EE: excessive redirects" 1>&2
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exit 1
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fi
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count=$(($count+1))
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echo "II: $what $url"
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curl --silent --fail --show-error "$url" -o "$to" -D "$to.hdr" || exit 1
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redirect=$(awk '/^Location: / {gsub(/^[[:space:]]+|[[:space:]]+$/,"",$2); print $2;}' "$to.hdr")
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[ -z "$redirect" ] && break
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what=' following'
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url=$(echo "$redirect" | sed -e 's@https://launchpadlibrarian.net/@http://launchpadlibrarian.net/@')
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if [ "$redirect" != "$url" ]; then
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echo "II: fixing $redirect"
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fi
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done
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exit 0
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