From 55b7c3acb0b86612d02871a70c2c7354959444e1 Mon Sep 17 00:00:00 2001
From: ellnix <ellnix@disroot.org>
Date: Sat, 22 Feb 2025 18:00:50 +0100
Subject: [PATCH] Make tera_templates_are_in_sync print a diff

---
 rust-tooling/Cargo.lock                                  | 9 ++++++++-
 rust-tooling/generate/Cargo.toml                         | 1 +
 .../generate/tests/tera_templates_are_in_sync.rs         | 2 ++
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/rust-tooling/Cargo.lock b/rust-tooling/Cargo.lock
index 2e98226bc..7c836676e 100644
--- a/rust-tooling/Cargo.lock
+++ b/rust-tooling/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "aho-corasick"
@@ -322,6 +322,12 @@ version = "1.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3ae2a35373c5c74340b79ae6780b498b2b183915ec5dacf263aac5a099bf485a"
 
+[[package]]
+name = "difference"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "524cbf6897b527295dff137cec09ecf3a05f4fddffd7dfcd1585403449e74198"
+
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -367,6 +373,7 @@ dependencies = [
  "anyhow",
  "clap",
  "convert_case",
+ "difference",
  "glob",
  "inquire",
  "models",
diff --git a/rust-tooling/generate/Cargo.toml b/rust-tooling/generate/Cargo.toml
index 2525ee049..c3a6831af 100644
--- a/rust-tooling/generate/Cargo.toml
+++ b/rust-tooling/generate/Cargo.toml
@@ -15,6 +15,7 @@ panic = "warn"
 anyhow = "1.0.81"
 clap = { version = "4.4.8", features = ["derive"] }
 convert_case = "0.6.0"
+difference = "2.0.0"
 glob = "0.3.1"
 inquire = "0.6.2"
 models = { version = "0.1.0", path = "../models" }
diff --git a/rust-tooling/generate/tests/tera_templates_are_in_sync.rs b/rust-tooling/generate/tests/tera_templates_are_in_sync.rs
index 3485a81ed..7272dc9cc 100644
--- a/rust-tooling/generate/tests/tera_templates_are_in_sync.rs
+++ b/rust-tooling/generate/tests/tera_templates_are_in_sync.rs
@@ -21,6 +21,8 @@ fn tera_templates_are_in_sync() {
         let on_disk = std::fs::read_to_string(test_path).unwrap();
 
         if generated.tests != on_disk {
+            let diff = difference::Changeset::new(&on_disk, &generated.tests, "");
+            println!("{diff}");
             panic!(
                 "
     The Tera template for exercise '{slug}' is not in sync.