Rakefile

require 'fileutils'
require 'albacore'
require 'albacore/task_types/test_runner'
require 'semver'

# Utility functions
def set(key, value)
    if value == false
        value = 'FALSE'
    elsif value == true
        value = 'TRUE'
    end
    ENV[key.to_s.upcase] = value
end

def fetch(key)
    val = ENV[key.to_s.upcase]
    if 'FALSE' == val
        val = false
    elsif 'TRUE' == val
        val = true
    end
    val
end

if File.exists? ('rake_env')
    load 'rake_env'
else
    puts "Using environment variables."
end

@current_dir = File.dirname(__FILE__)

@solution = 'AsyncAnalyzers.sln'
@build_configuration = 'Release'

@xunit_console = './packages/xunit.runner.console.2.2.0/tools/xunit.console.exe'
@xunit_test_assemblies = "**/*AsyncAnalyzers.Test/bin/#{@build_configuration}/*AsyncAnalyzers.Test.dll"

# These values will come from either the file rake_env or environment variables
@nuget_api_key = fetch(:NuGetApiKey)
@nuget_source = fetch(:NuGetSource)

@nuspec_file = 'AsyncAnalyzers.nuspec'
@nuspec_version = 'unknown'
@git_travis_branch_pattern = 'travis'

task :default => [:restore, :build_solution, :xunit_tests]

desc 'restore all nugets as per the packages.config files'
nugets_restore :restore do |p|
  p.out = 'packages'
  p.exe = 'nuget.exe'
end

desc 'Remove the bin and obj directories.'
task :clean do
    rm_rf 'AsyncAnalyzers/bin'
    rm_rf 'AsyncAnalyzers/obj'
    rm_rf 'AsyncAnalyzers.Test/bin'
    rm_rf 'AsyncAnalyzers.Test/obj'
end

desc 'Clean and rebuild the solution for @build_configuration configuration.'
build :build_solution => [:clean] do |b|
    b.sln = @solution               # the solution to build
    b.target = ['Clean', 'Rebuild'] # call with an array of targets or just a single target
    b.prop 'Configuration', "#{@build_configuration}" # call with 'key, value', to specify an MsBuild property
    b.clp 'ShowEventId'             # parameters for the console logger of MsBuild
    b.logging = 'detailed'          # available verbosity levels are: q[uiet], m[inimal], n[ormal], d[etailed], and diag[nostic]. Opposite: b.be_quiet
    b.nologo                        # no Microsoft/XBuild header output
end

desc 'Run xUnit tests'
test_runner :xunit_tests do |tests|
    tests.exe = @xunit_console
    tests.files = FileList[@xunit_test_assemblies]
end

desc 'Pack NuGet package'
task :nuget_pack do
    ver = SemVer.find
    Dir.chdir("AsyncAnalyzers/bin/#{@build_configuration}") do
        text = File.read(@nuspec_file)
        
        @nuspec_version = "#{SemVer.new(ver.major, ver.minor, ver.patch).format "%M.%m.%p"}.0"
        new_contents = text.gsub(/(?<=\<version\>).+(?=\<\/version\>)/, @nuspec_version)
        
        File.open(@nuspec_file, "w") {|file| file.puts new_contents }
        
        pack_command = "nuget pack #{@nuspec_file} -Verbosity detailed"
        sh "#{pack_command}", verbose: false do |ok, status|
            unless ok
                puts "[!] Failed to pack NuGet package with status #{status.exitstatus}"
            end
            
            nupkg = "AsyncAnalyzers.#{@nuspec_version}.nupkg"
            sh "sha256sum #{nupkg} > #{nupkg}.sha256"
        end
    end
end

desc 'Pack and push NuGet package'
task :nuget_pack_and_push, [:nuget_api_key, :nuget_source, :branch] => [:nuget_pack] do |t, args|
    Dir.chdir("AsyncAnalyzers/bin/#{@build_configuration}") do
        branch = args[:branch]
        if (branch.nil?)
            branch = %x[git rev-parse --abbrev-ref HEAD].gsub("\n",'')
        end
        
        ver = SemVer.find
        version = "v#{SemVer.new(ver.major, ver.minor, ver.patch).format "%M.%m.%p"}"
        if (branch != version and not branch.downcase().include? @git_travis_branch_pattern)
            puts "Can only execute nuget_push task on #{version} or a Travis test branch... Was on #{branch}"
            next
        end
        
        nuget_api_key = args[:nuget_api_key]
        if (not nuget_api_key.nil?)
            @nuget_api_key = nuget_api_key
        end
        
        nuget_source = args[:nuget_source]
        if (not nuget_source.nil?)
            @nuget_source = nuget_source
        end
        
        push_command = "nuget push ./AsyncAnalyzers.#{@nuspec_version}.nupkg -Verbosity detailed -ApiKey #{@nuget_api_key} -Source #{@nuget_source}"
        sh "#{push_command}", verbose: false do |ok, status|
            unless ok
                puts "[!] Failed to push NuGet package with status #{status.exitstatus}"
            end
        end
    end
end

desc 'Create tag'
task :tag do
    ver = SemVer.find
    version = "v#{SemVer.new(ver.major, ver.minor, ver.patch).format "%M.%m.%p"}"
    
    tag_command = "git tag #{version} -m \"Release #{version}\""
    sh "#{tag_command}", verbose: false do |ok, status|
        unless ok
            puts "[!] Failed to create tag with version #{version}"
        end
    end
end