From 8c2eaf83468d6024ae18977b4e87fc85dcaf0f52 Mon Sep 17 00:00:00 2001
From: Paul Meyer <katexochen0@gmail.com>
Date: Tue, 17 Dec 2024 09:34:41 +0100
Subject: [PATCH 1/2] scripts: add go-directive-sync, run with generate

Signed-off-by: Paul Meyer <katexochen0@gmail.com>
---
 packages/scripts.nix | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/packages/scripts.nix b/packages/scripts.nix
index 2d8c7047d3..83ef304ba5 100644
--- a/packages/scripts.nix
+++ b/packages/scripts.nix
@@ -100,8 +100,12 @@
       protoc-gen-go
       protoc-gen-go-grpc
       nix-update
+      scripts.go-directive-sync
     ];
     text = ''
+      echo "Syncing go directive versions in go.mod/go.work files" >&2
+      go-directive-sync
+
       while IFS= read -r dir; do
         echo "Running go mod tidy on $dir" >&2
         go mod tidy
@@ -531,4 +535,32 @@
     ];
     text = builtins.readFile ./test-peerpods.sh;
   };
+
+  # Sync the go directive between go.mod/go.work files (that is, the 'go' statement of these files).
+  # We take the latest version we find and use that everywhere.
+  go-directive-sync = writeShellApplication {
+    name = "go-directive-sync";
+    runtimeInputs = with pkgs; [
+      go
+      findutils
+      coreutils
+    ];
+    text = ''
+      set -euo pipefail
+
+      modFiles=$(find . -regex '.*/go[.]\(mod\|work\)$')
+
+      goVers=()
+      while IFS= read -r f; do
+        ver=$(grep -E '^go [0-9]+[.][0-9]+[.][0-9]+$' "$f")
+        goVers+=("$ver")
+      done <<< "$modFiles"
+
+      maxVer=$(printf "%s\n" "''${goVers[@]}" | sort -V | tail -n1)
+
+      while IFS= read -r f; do
+        sed -i "s/^go [0-9]\+\.[0-9]\+\.[0-9]\+$/''${maxVer}/" "$f"
+      done <<< "$modFiles"
+    '';
+  };
 }

From 8676dc90875437fd9f3999d23f311b17b93f0526 Mon Sep 17 00:00:00 2001
From: Paul Meyer <katexochen0@gmail.com>
Date: Tue, 17 Dec 2024 09:35:01 +0100
Subject: [PATCH 2/2] treewide: sync go directive

Signed-off-by: Paul Meyer <katexochen0@gmail.com>
---
 go.work                  | 2 +-
 service-mesh/go.mod      | 2 +-
 tools/tdx-measure/go.mod | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/go.work b/go.work
index 8c724b09ee..872479975c 100644
--- a/go.work
+++ b/go.work
@@ -1,4 +1,4 @@
-go 1.22.7
+go 1.23.0
 
 use (
 	.
diff --git a/service-mesh/go.mod b/service-mesh/go.mod
index 02f03d57a7..8464fa80ac 100644
--- a/service-mesh/go.mod
+++ b/service-mesh/go.mod
@@ -1,6 +1,6 @@
 module github.com/edgelesssys/contrast/service-mesh
 
-go 1.22.0
+go 1.23.0
 
 require (
 	github.com/coreos/go-iptables v0.8.0
diff --git a/tools/tdx-measure/go.mod b/tools/tdx-measure/go.mod
index dde7d095a5..c206d1b7ce 100644
--- a/tools/tdx-measure/go.mod
+++ b/tools/tdx-measure/go.mod
@@ -1,6 +1,6 @@
 module github.com/edgelesssys/contrast/tdx-measure
 
-go 1.22.0
+go 1.23.0
 
 require (
 	github.com/foxboron/go-uefi v0.0.0-20241017190036-fab4fdf2f2f3