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50 lines
1.3 KiB
Bash
Executable file
50 lines
1.3 KiB
Bash
Executable file
#!/bin/bash
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set -xeou pipefail
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# Based on https://github.com/docker-library/ruby/blob/master/2.7/buster/Dockerfile
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RUBY_VERSION=${1}
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RUBY_MAJOR=${1%.*} # strip last component
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RUBY_DOWNLOAD_SHA256=${2}
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RUBY_DOWNLOAD_URL="https://cache.ruby-lang.org/pub/ruby/${RUBY_MAJOR%-rc}/ruby-$RUBY_VERSION.tar.xz"
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# Download Ruby
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curl -fsSL "$RUBY_DOWNLOAD_URL" -o ruby.tar.xz
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echo "${RUBY_DOWNLOAD_SHA256} ruby.tar.xz" | sha256sum -c -
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# Skip installing Gem docs
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mkdir -p /usr/local/etc
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echo 'install: --no-document' >> /usr/local/etc/gemrc
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echo 'update: --no-document' >> /usr/local/etc/gemrc
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# Install needed packages
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apt-get update
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apt-get install -y --no-install-recommends bison dpkg-dev libgdbm-dev ruby
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# Unpack Ruby
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mkdir -p /usr/src/ruby
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tar -xJf ruby.tar.xz -C /usr/src/ruby --strip-components=1
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rm ruby.tar.xz
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cd /usr/src/ruby
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# Apply patches
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find /patches/ruby/$RUBY_VERSION -name '*.patch' -print0 | xargs -0 -n1 patch -p1 -i
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./configure --enable-shared --disable-install-doc --disable-install-rdoc --disable-install-capi
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make install -j $(nproc)
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# Cleanup
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cd /
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rm -rf /usr/src/ruby
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apt-get purge -y --auto-remove ruby
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# Verify
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# verify we have no "ruby" packages installed
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! dpkg -l | grep -i ruby
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[ "$(command -v ruby)" = '/usr/local/bin/ruby' ]
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# rough smoke test
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ruby --version
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gem --version
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bundle --version
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