fix(buildGo): Use stable build ID when linking outputs

This is another step towards build reproducibility, which Go is
traditionally very bad at.

1 files changed, 2 insertions, 2 deletions

diff --git a/overrides/buildGo.nix b/overrides/buildGo.nix
index 7ba9000e18..72d8c232f6 100644
--- a/overrides/buildGo.nix
+++ b/overrides/buildGo.nix
@@ -50,9 +50,9 @@ let
   program = { name, srcs, deps ? [] }:
   let uniqueDeps = allDeps deps;
   in runCommand name {} ''
-    ${go}/bin/go tool compile -o ${name}.a -trimpath=$PWD ${includeSources uniqueDeps} ${spaceOut srcs}
+    ${go}/bin/go tool compile -o ${name}.a -trimpath=$PWD -trimpath=${go} ${includeSources uniqueDeps} ${spaceOut srcs}
     mkdir -p $out/bin
-    ${go}/bin/go tool link -o $out/bin/${name} ${includeLibs uniqueDeps} ${name}.a
+    ${go}/bin/go tool link -o $out/bin/${name} -buildid nix ${includeLibs uniqueDeps} ${name}.a
   '';
 
   # Build a Go library assembled out of the specified files.