Set REQUEST_ID env

README.md

@@ -108,6 +108,7 @@ Alternatively, a block can be passed to the `initialize` method to the same effe
   - `repo` String: The git repo identifier
   - `git_ref` String: The git branchname or SHA
   - `git_sha` String: The git SHA (even if the git ref was a branch name)
+  - `request_id` String: The unique id of the build request
   - `stats` Hash:
     - setup `Float`: Amount of time spent in setup
     - build `Float`: Total amount of time spent in build (compile/build/slug)

lib/slugbuilder/builder.rb

@@ -45,9 +45,9 @@ def build(clear_cache: false, env: {}, prebuild: nil, postbuild: nil, slug_name:
         output: build_output.join('')
       }
 
-      postbuild.call(repo: @repo, git_ref: @git_ref, git_sha: @git_sha, stats: stats, slug: File.join(@output_dir, @slug_file)) if postbuild
+      postbuild.call(repo: @repo, git_ref: @git_ref, git_sha: @git_sha, request_id: @request_id, stats: stats, slug: File.join(@output_dir, @slug_file)) if postbuild
       if block_given?
-        yield(repo: @repo, git_ref: @git_ref, git_sha: @git_sha, stats: stats, slug: File.join(@output_dir, @slug_file))
+        yield(repo: @repo, git_ref: @git_ref, git_sha: @git_sha, request_id: @request_id, stats: stats, slug: File.join(@output_dir, @slug_file))
       end
       return true
     rescue => e
@@ -94,6 +94,8 @@ def set_environment
       load_env_file("#{@cache_dir}/env")
       load_env_file("#{@build_dir}/.env")
       ENV['STACK'] = 'cedar-14'
+      @request_id = SecureRandom.urlsafe_base64(32)
+      ENV['REQUEST_ID'] = @request_id
 
       @env.each do |k, v|
         ENV[k.to_s] = v.to_s

spec/slugbuilder/builder_spec.rb

@@ -102,14 +102,14 @@ def self.call(args)
 
     it 'accepts a postbuild Proc' do
       my_proc = ->(args) do
-        expect(args.keys).to include(:repo, :git_ref, :git_sha, :stats, :slug)
+        expect(args.keys).to include(:repo, :git_ref, :git_sha, :request_id, :stats, :slug)
       end
       builder.build(postbuild: my_proc)
     end
 
     it 'accepts a postbuild block' do
       builder.build do |args|
-        expect(args.keys).to include(:repo, :git_ref, :git_sha, :stats, :slug)
+        expect(args.keys).to include(:repo, :git_ref, :git_sha, :request_id, :stats, :slug)
       end
     end
   end