From 8bc78d47f39dea2141d4d15560b5735a2c45ef14 Mon Sep 17 00:00:00 2001
From: Dylan Thinnes <dylan.thinnes@digitalasset.com>
Date: Tue, 24 Oct 2023 12:09:17 +0100
Subject: [PATCH] Add diffutils to windows tools

run-full-compat: true
---
 .dadew                                       |  1 +
 compatibility/BUILD                          |  4 +--
 compatibility/WORKSPACE                      | 11 ++++++++
 dev-env/windows/manifests/diffutils-3.6.json | 28 ++++++++++++++++++++
 4 files changed, 42 insertions(+), 2 deletions(-)
 create mode 100644 dev-env/windows/manifests/diffutils-3.6.json

diff --git a/.dadew b/.dadew
index 5f9c2e251a14..fedfaa866c87 100644
--- a/.dadew
+++ b/.dadew
@@ -5,6 +5,7 @@
         "bazel",
         "cacert",
         "curl",
+        "diffutils-3.6",
         "gcloud",
         "ojdkbuild11",
         "maven-3.6.1",
diff --git a/compatibility/BUILD b/compatibility/BUILD
index af8bac19d946..032f33b244e3 100644
--- a/compatibility/BUILD
+++ b/compatibility/BUILD
@@ -56,13 +56,13 @@ last_non_canton_in_ledger_api_tests = "2.7.0-snapshot.20230427.11728.0.1f3c22cf"
         args = [sdk_version],
         data = [
             "@daml-sdk-{}//:daml".format(sdk_version),
-            "@diffutils_nix//:bin/diff",
+            "@diffutils_dev_env//:bin/diff" if not is_windows else "@diffutils_dev_env//:bin/diff.exe",
         ],
         deps = ["@bazel_tools//tools/bash/runfiles"],
     )
     for sdk_version in sdk_versions
     if versions.is_at_least("2.7.5", sdk_version)
-] if not is_windows else None
+]
 
 [
     [
diff --git a/compatibility/WORKSPACE b/compatibility/WORKSPACE
index cc19bf35aa0e..bf1bf825c3a1 100644
--- a/compatibility/WORKSPACE
+++ b/compatibility/WORKSPACE
@@ -119,6 +119,17 @@ nixpkgs_package(
     repositories = dev_env_nix_repos,
 )
 
+dev_env_tool(
+    name = "diffutils_dev_env",
+    nix_include = ["bin/diff"],
+    nix_label = "@diffutils_nix",
+    nix_paths = ["bin/diff"],
+    tools = ["diff"],
+    win_include = ["bin/diff.exe"],
+    win_paths = ["bin/diff.exe"],
+    win_tool = "diffutils-3.6",
+)
+
 haskell_register_ghc_bindists(
     compiler_flags = [],
     version = "9.0.2",
diff --git a/dev-env/windows/manifests/diffutils-3.6.json b/dev-env/windows/manifests/diffutils-3.6.json
new file mode 100644
index 000000000000..6c39e235e209
--- /dev/null
+++ b/dev-env/windows/manifests/diffutils-3.6.json
@@ -0,0 +1,28 @@
+{
+    "version": "3.6",
+    "description": "A package of several programs related to finding differences between files",
+    "homepage": "https://www.gnu.org/software/diffutils/",
+    "license": "GPL-3.0-or-later",
+    "url": [
+        "https://steffen.gulpe.de/gnu-tools-for-windows/i686-w64-mingw32/cmp.exe",
+        "https://steffen.gulpe.de/gnu-tools-for-windows/i686-w64-mingw32/diff.exe",
+        "https://steffen.gulpe.de/gnu-tools-for-windows/i686-w64-mingw32/diff3.exe",
+        "https://steffen.gulpe.de/gnu-tools-for-windows/i686-w64-mingw32/sdiff.exe"
+    ],
+    "hash": [
+        "d61bc5653d4f9a462413fdf2c19dfb464924e44db8547ec41257293f34e91513",
+        "39e70ccf42ba7235fa0d156f894b7fb757fcd4a9ce848f768a9fabe3d87b7196",
+        "d09fe558f9c9655eeee01d36221fad4ef8934b254d06812d45397c255dadfcdf",
+        "81648ccd7cca6f9af283dbf9da5e80965637ab2c095d0b323dc8895be01b68c1"
+    ],
+    "bin": [
+        "cmp.exe",
+        "diff.exe",
+        "diff3.exe",
+        "sdiff.exe"
+    ],
+    "checkver": {
+        "url": "https://steffen.gulpe.de/gnu-tools-for-windows",
+        "regex": "diffutils-([\\d.]+)-winbuild"
+    }
+}