From 31878a77bcc60ac69e3dcadac94362572f62adaf Mon Sep 17 00:00:00 2001
From: cottongin <cottongin@users.noreply.github.com>
Date: Thu, 12 Feb 2026 20:57:55 -0500
Subject: [PATCH] feat: Add mod build environment with version + git hash

Add `env:mod` PlatformIO environment that sets CROSSPOINT_VERSION to
"{version}-mod+{git_hash}" via a pre-build script. Usage: `pio run -e mod -t upload`

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 platformio.ini                |  8 ++++++++
 scripts/inject_mod_version.py | 15 +++++++++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 scripts/inject_mod_version.py

diff --git a/platformio.ini b/platformio.ini
index c441e526..626a6d30 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -55,6 +55,14 @@ build_flags =
   ${base.build_flags}
   -DCROSSPOINT_VERSION=\"${crosspoint.version}-dev\"
 
+[env:mod]
+extends = base
+extra_scripts =
+  ${base.extra_scripts}
+  pre:scripts/inject_mod_version.py
+build_flags =
+  ${base.build_flags}
+
 [env:gh_release]
 extends = base
 build_flags =
diff --git a/scripts/inject_mod_version.py b/scripts/inject_mod_version.py
new file mode 100644
index 00000000..1cc9b1ad
--- /dev/null
+++ b/scripts/inject_mod_version.py
@@ -0,0 +1,15 @@
+Import("env")
+import subprocess
+
+config = env.GetProjectConfig()
+version = config.get("crosspoint", "version")
+
+result = subprocess.run(
+    ["git", "rev-parse", "--short", "HEAD"],
+    capture_output=True, text=True
+)
+git_hash = result.stdout.strip()
+
+env.Append(
+    BUILD_FLAGS=[f'-DCROSSPOINT_VERSION=\\"{version}-mod+{git_hash}\\"']
+)