From 0dfd81ca1696053b366a39cab02e54205a09fb20 Mon Sep 17 00:00:00 2001
From: Luke Hoersten <luke@hoersten.org>
Date: Sun, 26 Jul 2026 16:46:21 -0500
Subject: build roles: create build_work_dir and redirect caches per-role

Each build role now creates build_work_dir itself and sets its own toolchain's
cache env (GOPATH/GOCACHE/GOMODCACHE, CARGO_HOME, npm cache, MIX/HEX) on its
build tasks, so the roles are self-contained instead of relying on a play-level
environment and pre_task.
---
 mattertimesync/build/tasks/main.yaml | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'mattertimesync/build')

diff --git a/mattertimesync/build/tasks/main.yaml b/mattertimesync/build/tasks/main.yaml
index e846f9c..c586e01 100644
--- a/mattertimesync/build/tasks/main.yaml
+++ b/mattertimesync/build/tasks/main.yaml
@@ -1,5 +1,14 @@
 ---
 
+- name: ensure build work dir exists
+  become: yes
+  file:
+    path: "{{build_work_dir}}"
+    state: "directory"
+    owner: "{{ansible_user}}"
+    group: "{{ansible_user}}"
+    mode: "0755"
+
 - name: unarchive mattertimesync source
   unarchive:
     remote_src: yes
@@ -16,6 +25,9 @@
   command: "npm ci"
   args:
     chdir: "{{mattertimesync_build_dir}}"
+  # Keep the npm cache on build_work_dir (the SSD) instead of the SD card.
+  environment:
+    npm_config_cache: "{{build_work_dir}}/.npm"
   when: not build_file.stat.exists
 
 - name: bundle mattertimesync
@@ -23,6 +35,8 @@
   args:
     chdir: "{{mattertimesync_build_dir}}"
     creates: "{{mattertimesync_build_dir}}/mattertimesync.mjs"
+  environment:
+    npm_config_cache: "{{build_work_dir}}/.npm"
   when: not build_file.stat.exists
 
 - name: create build server dir
-- 
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