Julia support

lib/travis/build/script.rb

@@ -18,6 +18,7 @@
 require 'travis/build/script/groovy'
 require 'travis/build/script/generic'
 require 'travis/build/script/haskell'
+require 'travis/build/script/julia'
 require 'travis/build/script/node_js'
 require 'travis/build/script/objective_c'
 require 'travis/build/script/perl'

lib/travis/build/script/julia.rb

@@ -0,0 +1,106 @@
+# vim:set ts=2 sw=2 sts=2 autoindent:
+
+# Community maintainers:
+#
+# Tony Kelman <tony kelman net, @tkelman>
+# Pontus Stenetorp <pontus stenetorp se, @ninjin>
+# Elliot Saba <staticfloat gmail com, @staticfloat>
+#
+module Travis
+ module Build
+ class Script
+ class Julia < Script
+ DEFAULTS = {
+ julia: 'release',
+ }
+
+ def export
+ super
+
+ sh.export 'TRAVIS_JULIA_VERSION', config[:julia].to_s.shellescape,
+ echo: false
+ end
+
+ def setup
+ super
+
+ sh.echo 'Julia for Travis-CI is not officially supported, ' \
+ 'but is community maintained.', ansi: :green
+ sh.echo 'Please file any issues using the following link',
+ ansi: :green
+ sh.echo ' https://github.com/travis-ci/travis-ci/issues' \
+ '/new?labels=julia', ansi: :green
+ sh.echo 'and mention \`@tkelman\`, \`@ninjin\` and ' \
+ '\`@staticfloat\` in the issue', ansi: :green
+
+ sh.echo 'Installing Julia', ansi: :yellow
+ case config[:os]
+ when 'linux'
+ sh.cmd 'mkdir -p ~/julia'
+ sh.cmd %Q{curl -s -L --retry 7 '#{julia_url}' } \
+ '| tar -C ~/julia -x -z --strip-components=1 -f -'
+ when 'osx'
+ sh.cmd %Q{curl -s -L -o julia.dmg '#{julia_url}'}
+ sh.cmd 'hdiutil mount -readonly julia.dmg'
+ sh.cmd 'cp -a /Volumes/Julia/*.app/Contents/Resources/julia ~/'
+ else
+ sh.failure "Operating system not supported: #{config[:os]}"
+ end
+ sh.cmd 'export PATH="${PATH}:${HOME}/julia/bin"'
+ end
+
+ def announce
+ super
+
+ sh.cmd "julia -e 'versioninfo()'"
+ sh.echo ''
+ end
+
+ def script
+ sh.echo 'Executing the default test script', ansi: :green
+ set_jl_pkg
+ # Check if the repository is a Julia package.
+ sh.if "-f src/${JL_PKG}.jl" do
+ sh.if '-a .git/shallow' do
+ sh.cmd 'git fetch --unshallow'
+ end
+ sh.cmd "julia -e 'Pkg.clone(pwd())'"
+ sh.cmd 'julia -e "Pkg.build(\"${JL_PKG}\")"'
+ sh.if '-f test/runtests.jl' do
+ sh.cmd 'julia --check-bounds=yes -e "Pkg.test(\"${JL_PKG}\")"'
+ end
+ end
+ end
+
+ private
+
+ def julia_url
+ case config[:julia]
+ when 'release'
+ version = 'stable'
+ when 'nightly'
+ version = 'download'
+ else
+ sh.failure "Unknown Julia version: #{config[:julia]}"
+ end
+ case config[:os]
+ when 'linux'
+ os = 'linux-x86_64'
+ when 'osx'
+ os = 'osx10.7+'
+ end
+ "https://status.julialang.org/#{version}/#{os}"
+ end
+
+ def set_jl_pkg
+ # Regular expression from: julia:base/pkg/entry.jl
+ urlregex = 'r"(?:^|[/\\\\])(\w+?)(?:\.jl)?(?:\.git)?$"'
+ jlcode = "println(match(#{urlregex}, readchomp(STDIN)).captures[1])"
+ shurl = "git remote -v | head -n 1 | cut -f 2 | cut -f 1 -d ' '"
+ sh.export 'JL_PKG', "$(#{shurl} | julia -e '#{jlcode}')",
+ echo: false
+ end
+ end
+ end
+ end
+end

spec/build/script/julia_spec.rb

@@ -0,0 +1,24 @@
+# vim:set ts=2 sw=2 sts=2 autoindent:
+
+require 'spec_helper'
+
+describe Travis::Build::Script::Julia, :sexp do
+ let(:data) { payload_for(:push, :julia) }
+ let(:script) { described_class.new(data) }
+ subject { script.sexp }
+
+ it_behaves_like 'a build script sexp'
+
+ it 'sets TRAVIS_JULIA_VERSION' do
+ should include_sexp [:export, ['TRAVIS_JULIA_VERSION', 'release']]
+ end
+
+ it 'downloads and installs Julia' do
+ should include_sexp [:cmd, %r(curl .*/stable/linux-x86_64), assert: true,
+ echo: true, timing: true]
+ end
+
+ it "announces `julia -e 'versioninfo()'`" do
+ should include_sexp [:cmd, "julia -e 'versioninfo()'", echo: true]
+ end
+end