3 files changed, 92 insertions, 0 deletions
diff --git a/mattertimectl/build/defaults/main.yaml b/mattertimectl/build/defaults/main.yaml
new file mode 100644
index 0000000..56cabdc
--- /dev/null
+++ b/mattertimectl/build/defaults/main.yaml
@@ -0,0 +1,16 @@
+---
+
+mattertimectl_version: "0.1.0"
+# https://github.com/lukehoersten/mattertimectl/tags
+# Rust project: cargo build --release produces one self-contained binary
+# (all runtime deps are pure Rust), so the target only needs the binary to
+# run it. The source tarball must point at the Rust implementation.
+mattertimectl_tar: "https://github.com/{{github_user}}/mattertimectl/archive/refs/tags/v{{mattertimectl_version}}.tar.gz"
+mattertimectl_build_dir: "{{build_work_dir}}/mattertimectl-{{mattertimectl_version}}"
+mattertimectl_srv_dir: "{{build_srv_dir}}"
+
+# Keep cargo's registry cache, the rustup toolchains, and the build output
+# on build_work_dir (the SSD), not the SD card.
+mattertimectl_cargo_home: "{{build_work_dir}}/.cargo"
+mattertimectl_rustup_home: "{{build_work_dir}}/.rustup"
+mattertimectl_cargo_target_dir: "{{build_work_dir}}/.cargo-target"
diff --git a/mattertimectl/build/meta/main.yaml b/mattertimectl/build/meta/main.yaml
new file mode 100644
index 0000000..dae4be5
--- /dev/null
+++ b/mattertimectl/build/meta/main.yaml
@@ -0,0 +1,5 @@
+---
+
+# No role dependency: the Rust toolchain is installed inline via rustup
+# (the distro rustc is too old for this crate's Rust edition).
+dependencies: []
diff --git a/mattertimectl/build/tasks/main.yaml b/mattertimectl/build/tasks/main.yaml
new file mode 100644
index 0000000..d5721d7
--- /dev/null
+++ b/mattertimectl/build/tasks/main.yaml
@@ -0,0 +1,71 @@
+---
+
+- name: ensure build work dir exists
+  become: yes
+  file:
+    path: "{{build_work_dir}}"
+    state: "directory"
+    owner: "{{ansible_user}}"
+    group: "{{ansible_user}}"
+    mode: "0755"
+
+- name: check if mattertimectl build exists
+  stat:
+    path: "{{mattertimectl_srv_dir}}/mattertimectl-{{mattertimectl_version}}.tar.gz"
+  register: build_file
+
+# NOTE: rustup is used only because rs-matter requires a newer rustc than
+# Ubuntu 24.04's apt ships (apt rustc is 1.75; rs-matter needs >= 1.87). Once
+# the build host runs an Ubuntu whose apt rustc/cargo are new enough, drop
+# rustup and the toolchain tasks below and just `apt install rustc cargo`.
+- name: install rustup
+  become: yes
+  apt:
+    name: "rustup"
+    state: "present"
+
+- name: install a current stable rust toolchain
+  command: "rustup toolchain install stable"
+  environment:
+    CARGO_HOME: "{{mattertimectl_cargo_home}}"
+    RUSTUP_HOME: "{{mattertimectl_rustup_home}}"
+  when: not build_file.stat.exists
+
+- name: unarchive mattertimectl source
+  unarchive:
+    remote_src: yes
+    src: "{{mattertimectl_tar}}"
+    dest: "{{build_work_dir}}/"
+    creates: "{{mattertimectl_build_dir}}"
+
+- name: build mattertimectl release binary
+  # rustup run stable dispatches cargo through the toolchain regardless of
+  # the apt rustup package's proxy layout or the configured default.
+  command: "rustup run stable cargo build --release"
+  args:
+    chdir: "{{mattertimectl_build_dir}}"
+    creates: "{{mattertimectl_cargo_target_dir}}/release/mattertimectl"
+  environment:
+    CARGO_HOME: "{{mattertimectl_cargo_home}}"
+    RUSTUP_HOME: "{{mattertimectl_rustup_home}}"
+    CARGO_TARGET_DIR: "{{mattertimectl_cargo_target_dir}}"
+  when: not build_file.stat.exists
+
+- name: create build server dir
+  become: yes
+  file:
+    path: "{{mattertimectl_srv_dir}}"
+    mode: "0755"
+    state: "directory"
+
+- name: create gz archive of mattertimectl binary
+  become: yes
+  archive:
+    path: "{{mattertimectl_cargo_target_dir}}/release/mattertimectl"
+    dest: "{{mattertimectl_srv_dir}}/mattertimectl-{{mattertimectl_version}}.tar.gz"
+    format: "gz"
+    # force a real tar for the single-file binary; the module otherwise gzips
+    # a lone file into a bare .gz that the server's unarchive can't extract.
+    # The tar preserves the executable bit the target relies on.
+    force_archive: true
+  when: not build_file.stat.exists