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docker-library--ruby/update.sh

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2.7 KiB
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#!/usr/bin/env bash
set -Eeuo pipefail
cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
versions=( "$@" )
if [ ${#versions[@]} -eq 0 ]; then
versions=( */ )
fi
versions=( "${versions[@]%/}" )
releasePage="$(curl -fsSL 'https://www.ruby-lang.org/en/downloads/releases/')"
latest_gem_version() {
curl -fsSL "https://rubygems.org/api/v1/gems/$1.json" | sed -r 's/^.*"version":"([^"]+)".*$/\1/'
}
rubygems="$(latest_gem_version rubygems-update)"
bundler="$(latest_gem_version bundler)"
travisEnv=
for version in "${versions[@]}"; do
rcGrepV='-v'
rcVersion="${version%-rc}"
if [ "$rcVersion" != "$version" ]; then
rcGrepV=
fi
IFS=$'\n'; allVersions=(
$(curl -fsSL --compressed "https://cache.ruby-lang.org/pub/ruby/$rcVersion/" \
| grep -E '<a href="ruby-'"$rcVersion"'.[^"]+\.tar\.xz' \
| grep $rcGrepV -E 'preview|rc' \
| sed -r 's!.*<a href="ruby-([^"]+)\.tar\.xz.*!\1!' \
| sort -rV)
); unset IFS
fullVersion=
for tryVersion in "${allVersions[@]}"; do
if echo "$releasePage" | grep -q "Ruby ${tryVersion}<"; then
fullVersion="$tryVersion"
break
fi
done
if [ -z "$fullVersion" ]; then
echo >&2 "warning: cannot determine sha for $version (tried all of ${allVersions[*]}); skipping"
continue
fi
versionReleasePage="$(echo "$releasePage" | grep "<td>Ruby $fullVersion</td>" -A 2 | awk -F '"' '$1 == "<td><a href=" { print $2; exit }')"
shaVal="$(curl -fsSL "https://www.ruby-lang.org/$versionReleasePage" |tac|tac| grep "ruby-$fullVersion.tar.xz" -A 5 | awk '/^SHA256:/ { print $2; exit }')"
echo "$version: $fullVersion; rubygems $rubygems, bundler $bundler; $shaVal"
for v in \
alpine{3.4,3.6} \
{jessie,stretch}{/slim,/onbuild,} \
; do
dir="$version/$v"
variant="$(basename "$v")"
[ -d "$dir" ] || continue
case "$variant" in
slim|onbuild|windowsservercore) template="$variant"; tag="$(basename "$(dirname "$dir")")" ;;
alpine*) template='alpine'; tag="${variant#alpine}" ;;
*) template='debian'; tag="$variant" ;;
esac
template="Dockerfile-${template}.template"
sed -r \
-e 's!%%VERSION%%!'"$version"'!g' \
-e 's!%%FULL_VERSION%%!'"$fullVersion"'!g' \
-e 's!%%SHA256%%!'"$shaVal"'!g' \
-e 's!%%RUBYGEMS%%!'"$rubygems"'!g' \
-e 's!%%BUNDLER%%!'"$bundler"'!g' \
-e 's/^(FROM (debian|buildpack-deps|alpine)):.*/\1:'"$tag"'/' \
"$template" > "$dir/Dockerfile"
if [ "$variant" = 'alpine3.4' ]; then
sed -ri -e 's/libressl/openssl/g' "$dir/Dockerfile"
fi
case "$v" in
*/onbuild) ;;
*)
travisEnv='\n - VERSION='"$version VARIANT=$v$travisEnv"
;;
esac
done
done
travis="$(awk -v 'RS=\n\n' '$1 == "env:" { $0 = "env:'"$travisEnv"'" } { printf "%s%s", $0, RS }' .travis.yml)"
echo "$travis" > .travis.yml