From d7540cf3cbc0672264a9d7db5eb5fb75a1ba261d Mon Sep 17 00:00:00 2001
From: Altagos <jakob@altagos.dev>
Date: Sat, 12 Jul 2025 16:36:05 +0200
Subject: [PATCH] ci: add build workflow

---
 .tangled/workflows/build.yaml | 21 +++++++++++++++
 scripts/install-zig.sh        | 49 +++++++++++++++++++++++++++++++++++
 2 files changed, 70 insertions(+)
 create mode 100644 .tangled/workflows/build.yaml
 create mode 100755 scripts/install-zig.sh

diff --git a/.tangled/workflows/build.yaml b/.tangled/workflows/build.yaml
new file mode 100644
index 0000000..efca89e
--- /dev/null
+++ b/.tangled/workflows/build.yaml
@@ -0,0 +1,21 @@
+when:
+  - event: ["push", "pull_request"]
+    branch: ["main"]
+  - event: ["manual"]
+
+dependencies:
+  ## from nixpkgs
+  nixpkgs:
+    - curl
+    - jq
+
+steps:
+  - name: "Install zig"
+    command: "./scripts/install-zig.sh"
+  - name: "Build ReleaseFast"
+    command: "./zig/zig build -Doptimize=ReleaseFast"
+
+clone:
+  skip: false
+  depth: 1
+  submodules: true
diff --git a/scripts/install-zig.sh b/scripts/install-zig.sh
new file mode 100755
index 0000000..18fae83
--- /dev/null
+++ b/scripts/install-zig.sh
@@ -0,0 +1,49 @@
+#!/bin/bash
+
+JSON=$(curl -s https://ziglang.org/download/index.json)
+
+# Determine the architecture:
+if [ "$(uname -m)" = 'arm64' ] || [ "$(uname -m)" = 'aarch64' ]; then
+    ZIG_ARCH="aarch64"
+else
+    ZIG_ARCH="x86_64"
+fi
+
+# Determine the operating system:
+case "$(uname)" in
+    Linux)
+        ZIG_OS="linux"
+        ;;
+    Darwin)
+        ZIG_OS="macos"
+        ;;
+    CYGWIN*)
+        ZIG_OS="windows"
+        ;;
+    *)
+        echo "Unknown OS"
+        exit 1
+        ;;
+esac
+
+ZIG_TARGET="$ZIG_ARCH-$ZIG_OS"
+
+URL=$(echo "$JSON" | jq -r ".master.\"$ZIG_TARGET\".tarball")
+EXPECTED_SHA=$(echo "$JSON" | jq -r ".master.\"$ZIG_TARGET\".shasum")
+
+curl -O "$URL"
+
+ACTUAL_SHA=$(shasum -a 256 zig*.tar.xz | awk '{print $1}')
+if [ "$EXPECTED_SHA" != "$ACTUAL_SHA" ]; then
+  echo "SHA checksum verification failed."
+  echo "Expected: $EXPECTED_SHA"
+  echo "Actual: $ACTUAL_SHA"
+  exit 1
+fi
+
+if [ ! -d "zig" ]; then
+  mkdir zig
+fi
+
+tar -xf zig*.tar.xz -C zig --strip-components=1
+rm zig*.tar.xz
-- 
2.51.2