From d501cbf765fa64ac0015b60d555bb87a978a9918 Mon Sep 17 00:00:00 2001
From: Karl Seguin <k@openmymind.io>
Date: Tue, 25 Feb 2025 08:00:36 +0800
Subject: [PATCH] Make the the short git SHA available within the program

---
 .github/workflows/build.yml | 4 ++--
 build.zig                   | 9 +++++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5e9a4194..8077fb47 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -28,7 +28,7 @@ jobs:
       - uses: ./.github/actions/install
 
       - name: zig build
-        run: zig build --release=safe -Doptimize=ReleaseSafe -Dengine=v8 -Dcpu=x86_64
+        run: zig build --release=safe -Doptimize=ReleaseSafe -Dengine=v8 -Dcpu=x86_64 -Dgit_commit=$(git rev-parse --short ${{ github.sha }})
 
       - name: Rename binary
         run: mv zig-out/bin/lightpanda lightpanda-${{ env.ARCH }}-${{ env.OS }}
@@ -60,7 +60,7 @@ jobs:
           arch: ${{env.ARCH}}
 
       - name: zig build
-        run: zig build --release=safe -Doptimize=ReleaseSafe -Dengine=v8
+        run: zig build --release=safe -Doptimize=ReleaseSafe -Dengine=v8 -Dgit_commit=$(git rev-parse --short ${{ github.sha }})
 
       - name: Rename binary
         run: mv zig-out/bin/lightpanda lightpanda-${{ env.ARCH }}-${{ env.OS }}
diff --git a/build.zig b/build.zig
index adf4e26f..fcf5b81d 100644
--- a/build.zig
+++ b/build.zig
@@ -58,6 +58,15 @@ pub fn build(b: *std.Build) !void {
         .optimize = mode,
     });
     try common(b, exe, options);
+    {
+        var opt = b.addOptions();
+        opt.addOption(
+            []const u8,
+            "git_commit",
+            b.option([]const u8, "git_commit", "Current git commit") orelse "dev",
+        );
+        exe.root_module.addImport("build_info", opt.createModule());
+    }
     b.installArtifact(exe);
 
     // run