From 834d1ee3a9db22716b1dfb4742594997dd354ff8 Mon Sep 17 00:00:00 2001
From: Tan Jay Jun <tan@jayjun.com>
Date: Wed, 31 Jul 2019 00:00:08 +0800
Subject: [PATCH] Support local and Docker build types

---
 lib/bootleg/tasks/phoenix_digest.ex | 58 ++++++++++++++++++++++++++---
 1 file changed, 53 insertions(+), 5 deletions(-)

diff --git a/lib/bootleg/tasks/phoenix_digest.ex b/lib/bootleg/tasks/phoenix_digest.ex
index 26cd9f0..bb98284 100644
--- a/lib/bootleg/tasks/phoenix_digest.ex
+++ b/lib/bootleg/tasks/phoenix_digest.ex
@@ -5,17 +5,65 @@ defmodule Bootleg.Tasks.PhoenixDigest do
     task :phoenix_digest do
       alias Bootleg.UI
 
+      build_type = config({:build_type, "remote"})
+      invoke(:"#{build_type}_phoenix_digest")
+      UI.info("Phoenix asset digest generated")
+    end
+
+    bash_script = """
+    [ -f package.json ] && npm install || true
+    [ -f brunch-config.js ] && [ -d node_modules ] && ./node_modules/brunch/bin/brunch b -p || true
+    [ -f assets/package.json ] && cd assets && npm install && cd .. || true
+    [ -f assets/brunch-config.js ] && cd assets && [ -d node_modules ] && ./node_modules/brunch/bin/brunch b -p && cd .. || true
+    [ -d deps/phoenix ] && mix phx.digest || true
+    """
+
+    task :local_phoenix_digest do
+      source_path = config({:ex_path, File.cwd!()})
+
+      File.cd!(source_path, fn ->
+        System.cmd("/bin/bash", ["-c", bash_script],
+          env: [{"MIX_ENV", mix_env}],
+          into: IO.stream(:stdio, :line)
+        )
+      end)
+    end
+
+    task :docker_phoenix_digest do
+      mix_env = config({:mix_env, "prod"})
+      source_path = config({:ex_path, File.cwd!()})
+      docker_image = config(:docker_build_image)
+      docker_mount = config({:docker_build_mount, "#{source_path}:/opt/build"})
+      docker_run_options = config({:docker_build_opts, []})
+
+      docker_args =
+        [
+          "run",
+          "-v",
+          docker_mount,
+          "--rm",
+          "-t",
+          "-e",
+          "MIX_ENV=#{mix_env}"
+        ] ++ docker_run_options ++ [docker_image]
+
+      System.cmd("docker", docker_args ++ ["/bin/bash", "-c", bash_script],
+        into: IO.stream(:stdio, :line)
+      )
+    end
+
+    task :remote_phoenix_digest do
       mix_env = Keyword.get(config(), :mix_env, "prod")
+
       remote :build do
         "[ -f package.json ] && npm install || true"
         "[ -f brunch-config.js ] && [ -d node_modules ] && ./node_modules/brunch/bin/brunch b -p || true"
-        "[ -f assets/package.json ] && cd assets && npm install || true"
-        "[ -f assets/brunch-config.js ] && cd assets && [ -d node_modules ] && ./node_modules/brunch/bin/brunch b -p || true"
-        "[ -d deps/phoenix ] && MIX_ENV=#{mix_env} mix phoenix.digest || true"
+        "[ -f assets/package.json ] && cd assets && npm install && cd .. || true"
+        "[ -f assets/brunch-config.js ] && cd assets && [ -d node_modules ] && ./node_modules/brunch/bin/brunch b -p && cd .. || true"
+        "[ -d deps/phoenix ] && MIX_ENV=#{mix_env} mix phx.digest || true"
       end
-      UI.info "Phoenix asset digest generated"
     end
 
-    after_task :compile, :phoenix_digest
+    after_task(:compile, :phoenix_digest)
   end
 end