From a7b75819528040443835aab7bce1a7934b0d026c Mon Sep 17 00:00:00 2001
From: "Victor M. Alvarez" <vmalvarez@virustotal.com>
Date: Thu, 21 May 2026 16:23:51 +0200
Subject: [PATCH 1/3] feat: use YAML literal blocks for multi-line strings

Serialize string values containing newline characters using YAML's literal block style ('|'). This significantly improves the readability of generated YAML output for such strings.
---
 ...f6a0e3152020fc7964243fc845cad499d11f9ab.out |  4 +++-
 proto-yaml/src/lib.rs                          | 18 +++++++++++++-----
 proto-yaml/src/tests/testdata/1.out            |  8 ++++++--
 3 files changed, 22 insertions(+), 8 deletions(-)

diff --git a/lib/src/modules/dotnet/tests/testdata/0224ad9739f5fa64a2a63e23ef6a0e3152020fc7964243fc845cad499d11f9ab.out b/lib/src/modules/dotnet/tests/testdata/0224ad9739f5fa64a2a63e23ef6a0e3152020fc7964243fc845cad499d11f9ab.out
index e7dfa181a..62e96fdfc 100644
--- a/lib/src/modules/dotnet/tests/testdata/0224ad9739f5fa64a2a63e23ef6a0e3152020fc7964243fc845cad499d11f9ab.out
+++ b/lib/src/modules/dotnet/tests/testdata/0224ad9739f5fa64a2a63e23ef6a0e3152020fc7964243fc845cad499d11f9ab.out
@@ -70,7 +70,9 @@ assembly_refs:
         build_number: 0
         revision_number: 0
 resources:
-  - name: "\r\n"
+  - name: |
+        
+        
 classes:
   - fullname: "OctopusRPA.Csv.CsvHelper"
     name: "CsvHelper"
diff --git a/proto-yaml/src/lib.rs b/proto-yaml/src/lib.rs
index 1a8829564..d46967cc6 100644
--- a/proto-yaml/src/lib.rs
+++ b/proto-yaml/src/lib.rs
@@ -337,11 +337,19 @@ impl<W: Write> Serializer<W> {
             ReflectValueRef::F64(v) => write!(self.output, "{v:.1}")?,
             ReflectValueRef::Bool(v) => write!(self.output, "{v}")?,
             ReflectValueRef::String(v) => {
-                write!(
-                    self.output,
-                    "\"{}\"",
-                    Self::escape(v).paint(self.colors.string)
-                )?;
+                if v.contains('\n') {
+                    write!(self.output, "{}", "|".paint(self.colors.string))?;
+                    for line in v.split('\n') {
+                        self.newline()?;
+                        write!(self.output, "{}", line.paint(self.colors.string))?;
+                    }
+                } else {
+                    write!(
+                        self.output,
+                        "\"{}\"",
+                        Self::escape(v).paint(self.colors.string)
+                    )?;
+                }
             }
             ReflectValueRef::Bytes(v) => {
                 write!(
diff --git a/proto-yaml/src/tests/testdata/1.out b/proto-yaml/src/tests/testdata/1.out
index 1ea436dfe..89c648ced 100644
--- a/proto-yaml/src/tests/testdata/1.out
+++ b/proto-yaml/src/tests/testdata/1.out
@@ -4,14 +4,18 @@ int32_dec: 123
 str: "foo"
 repeated_msg:
   - int32_dec: 456
-    str: "bar\nbar"
+    str: |
+        bar
+        bar
   - int32_dec: 789
     str: "foo\\bar"
     map_string_string:
         "foo\nbar": "bar"
 nested_msg:
     int32_dec: 1234
-    str: "qux\nfoo"
+    str: |
+        qux
+        foo
     map_string_string:
         "bar": "baz"
         "foo": "bar"
\ No newline at end of file

From effc0caf0de7665b3a4cbfbbffa0a316c7099658 Mon Sep 17 00:00:00 2001
From: "Victor M. Alvarez" <vmalvarez@virustotal.com>
Date: Thu, 21 May 2026 16:26:55 +0200
Subject: [PATCH 2/3] style: run `cargo fmt`.

---
 proto-yaml/src/lib.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/proto-yaml/src/lib.rs b/proto-yaml/src/lib.rs
index d46967cc6..e9d89aaef 100644
--- a/proto-yaml/src/lib.rs
+++ b/proto-yaml/src/lib.rs
@@ -341,7 +341,11 @@ impl<W: Write> Serializer<W> {
                     write!(self.output, "{}", "|".paint(self.colors.string))?;
                     for line in v.split('\n') {
                         self.newline()?;
-                        write!(self.output, "{}", line.paint(self.colors.string))?;
+                        write!(
+                            self.output,
+                            "{}",
+                            line.paint(self.colors.string)
+                        )?;
                     }
                 } else {
                     write!(

From 72d3df2569819728b12831efa081aadd4040e606 Mon Sep 17 00:00:00 2001
From: "Victor M. Alvarez" <plusvic@gmail.com>
Date: Thu, 21 May 2026 17:20:29 +0200
Subject: [PATCH 3/3] tests: fix broken test case.

---
 ...39f5fa64a2a63e23ef6a0e3152020fc7964243fc845cad499d11f9ab.out | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/src/modules/dotnet/tests/testdata/0224ad9739f5fa64a2a63e23ef6a0e3152020fc7964243fc845cad499d11f9ab.out b/lib/src/modules/dotnet/tests/testdata/0224ad9739f5fa64a2a63e23ef6a0e3152020fc7964243fc845cad499d11f9ab.out
index 62e96fdfc..0dea9ecee 100644
--- a/lib/src/modules/dotnet/tests/testdata/0224ad9739f5fa64a2a63e23ef6a0e3152020fc7964243fc845cad499d11f9ab.out
+++ b/lib/src/modules/dotnet/tests/testdata/0224ad9739f5fa64a2a63e23ef6a0e3152020fc7964243fc845cad499d11f9ab.out
@@ -72,7 +72,7 @@ assembly_refs:
 resources:
   - name: |
         
-        
+        
 classes:
   - fullname: "OctopusRPA.Csv.CsvHelper"
     name: "CsvHelper"