depot/third_party/nixpkgs/pkgs/build-support/upstream-updater/urls-from-page.sh
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GitOrigin-RevId: 2c3273caa153ee8eb5786bc8141b85b859e7efd7
2020-04-24 19:36:52 -04:00

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#! /bin/sh
url="$1"
protocol="${url%%:*}"
path="${url#$protocol://}"
server="${path%%/*}"
basepath="${path%/*}"
relpath="${path#$server}"
echo "URL: $url" >&2
curl -A 'text/html; text/xhtml; text/xml; */*' -L -k "$url" | sed -re 's/^/-/;s/[^a-zA-Z][hH][rR][eE][fF]=("([^"]*)"|'\''([^'\'']*)'\''|([^"'\'' <>&]+)[ <>&])/\n+\2\3\4\n-/g' | \
sed -e '/^-/d; s/^[+]//; /^#/d;'"s/^\\//$protocol:\\/\\/$server\\//g" | \
sed -re 's`^[^:]*$`'"$protocol://$basepath/&\`"