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docker-library--ruby/update.sh
2016-12-05 12:45:43 -08:00

67 lines
1.9 KiB
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#!/bin/bash
set -e
cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
versions=( "$@" )
if [ ${#versions[@]} -eq 0 ]; then
versions=( */ )
fi
versions=( "${versions[@]%/}" )
shaPage=$(curl -fsSL 'https://www.ruby-lang.org/en/downloads/' | tr '\r\n' ' ')
latest_gem_version() {
curl -sSL "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=(
$(curl -sSL --compressed "https://cache.ruby-lang.org/pub/ruby/$rcVersion/" \
| grep -E '<a href="ruby-'"$rcVersion"'.[^"]+\.tar\.bz2' \
| grep $rcGrepV -E 'preview|rc' \
| sed -r 's!.*<a href="ruby-([^"]+)\.tar\.bz2.*!\1!' \
| sort -rV)
); unset IFS
fullVersion=
for tryVersion in "${allVersions[@]}"; do
if echo "$shaPage" | 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 ${allVersions[*]}); skipping"
continue
fi
shaVal="$(echo "$shaPage" | sed -r "s/.*Ruby ${fullVersion}<\/a><br \/>\s*sha256: ([^<]+).*/\1/")"
sedStr="
s!%%VERSION%%!$version!g;
s!%%FULL_VERSION%%!$fullVersion!g;
s!%%SHA256%%!$shaVal!g;
s!%%RUBYGEMS%%!$rubygems!g;
s!%%BUNDLER%%!$bundler!g;
"
for variant in alpine slim onbuild ''; do
[ -d "$version/$variant" ] || continue
sed -r "$sedStr" "Dockerfile${variant:+-$variant}.template" > "$version/$variant/Dockerfile"
if [ "$variant" != 'onbuild' ]; then
travisEnv='\n - VERSION='"$version VARIANT=$variant$travisEnv"
fi
done
done
travis="$(awk -v 'RS=\n\n' '$1 == "env:" { $0 = "env:'"$travisEnv"'" } { printf "%s%s", $0, RS }' .travis.yml)"
echo "$travis" > .travis.yml