watchman: patch CMake reproducibility issue

This is the first thing outside of CMake itself I’ve seen that would have derived some value from `fixCmakeFiles`.
2025-09-16 02:26:59 +01:00
parent 2432d98325
commit 09bbd80fad
1 changed files with 6 additions and 0 deletions
@@ -96,6 +96,12 @@ stdenv.mkDerivation (finalAttrs: {

    cp ${./Cargo.lock} ${finalAttrs.cargoRoot}/Cargo.lock

+    # The build system looks for `/usr/bin/python3`. It falls back
+    # gracefully if it’s not found, but let’s dodge the potential
+    # reproducibility risk for unsandboxed Darwin.
+    substituteInPlace CMakeLists.txt \
+      --replace-fail /usr/bin /var/empty
+
    # Facebook Thrift requires C++20 now but Watchman hasn’t been
    # updated yet… (Aren’t these things meant to be integrated together
    # in a monorepo?)