84 lines
2.5 KiB
Bash
Executable File
84 lines
2.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -Eeuo pipefail
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cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
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versions=( "$@" )
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if [ ${#versions[@]} -eq 0 ]; then
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versions=( */ )
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json='{}'
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else
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json="$(< versions.json)"
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fi
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versions=( "${versions[@]%/}" )
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releasesPage="$(curl -fsSL 'https://www.ruby-lang.org/en/downloads/releases/')"
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newsPage="$(curl -fsSL 'https://www.ruby-lang.org/en/news/')" # occasionally, releases don't show up on the Releases page (see https://github.com/ruby/www.ruby-lang.org/blob/master/_data/releases.yml)
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# TODO consider parsing https://github.com/ruby/www.ruby-lang.org/blob/master/_data/downloads.yml as well
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for version in "${versions[@]}"; do
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rcGrepV='-v'
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rcVersion="${version%-rc}"
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if [ "$rcVersion" != "$version" ]; then
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rcGrepV=
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fi
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export version rcVersion
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IFS=$'\n'; allVersions=( $(
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curl -fsSL --compressed "https://cache.ruby-lang.org/pub/ruby/$rcVersion/" \
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| grep -oE '["/]ruby-'"$rcVersion"'.[^"]+\.tar\.xz' \
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| sed -r 's!^["/]ruby-([^"]+)[.]tar[.]xz!\1!' \
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| grep $rcGrepV -E 'preview|rc' \
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| sort -ruV
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) ); unset IFS
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fullVersion=
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shaVal=
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for tryVersion in "${allVersions[@]}"; do
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if \
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{
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versionReleasePage="$(grep "<td>Ruby $tryVersion</td>" -A 2 <<<"$releasesPage" | awk -F '"' '$1 == "<td><a href=" { print $2; exit }')" \
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&& [ "$versionReleasePage" ] \
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&& shaVal="$(curl -fsSL "https://www.ruby-lang.org/$versionReleasePage" |tac|tac| grep "ruby-$tryVersion.tar.xz" -A 5 | awk '$1 == "SHA256:" { print $2; exit }')" \
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&& [ "$shaVal" ]
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} \
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|| {
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versionReleasePage="$(echo "$newsPage" | grep -oE '<a href="[^"]+">Ruby '"$tryVersion"' Released</a>' | cut -d'"' -f2)" \
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&& [ "$versionReleasePage" ] \
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&& shaVal="$(curl -fsSL "https://www.ruby-lang.org/$versionReleasePage" |tac|tac| grep "ruby-$tryVersion.tar.xz" -A 5 | awk '$1 == "SHA256:" { print $2; exit }')" \
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&& [ "$shaVal" ]
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} \
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; then
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fullVersion="$tryVersion"
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break
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fi
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done
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if [ -z "$fullVersion" ]; then
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echo >&2 "error: cannot determine sha for $version (tried all of ${allVersions[*]})"
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exit 1
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fi
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echo "$version: $fullVersion; $shaVal"
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export fullVersion shaVal
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json="$(jq <<<"$json" -c '
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.[env.version] = {
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version: env.fullVersion,
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sha256: env.shaVal,
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variants: [
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(
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"bullseye",
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"buster"
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| ., "slim-" + .), # https://github.com/docker-library/ruby/pull/142#issuecomment-320012893
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(
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"3.16",
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"3.15"
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| "alpine" + .)
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],
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}
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')"
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done
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jq <<<"$json" -S . > versions.json
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