From 4792bba47b7fb87a4289a603701702c1a65ea61a Mon Sep 17 00:00:00 2001
From: Mostyn Bramley-Moore <mostyn@unity3d.com>
Date: Mon, 24 Aug 2026 21:05:16 +0200
Subject: [PATCH 1/2] Produce builds.tar.zst instead of builds.zip

This produces a smaller file, and is faster to unpack.
---
 .yamato/build-all.yml | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/.yamato/build-all.yml b/.yamato/build-all.yml
index 7e2ea8b5f7a4c..2c3b7f9442c2d 100644
--- a/.yamato/build-all.yml
+++ b/.yamato/build-all.yml
@@ -13,16 +13,19 @@ create-build-zip:
 
   agent:
     type: Unity::VM
-    image: platform-foundation/windows-bokken:latest
-    flavor: b1.small
+    image: slough-ops/ubuntu-24.04-base:v0.0.4-1336798
+    flavor: b1.medium
 
   artifacts:
     builds:
       paths:
-        - builds.zip
+        - builds.tar.zst
 
   commands:
-    - choco install 7zip
-    - mkdir builds\Google.Protobuf
-    - move csharp\src\Google.Protobuf\bin builds\Google.Protobuf\
-    - 7z a builds.zip .\builds\*
+    - curl -L -o bsdtar.zip https://public-stevedore.unity3d.com/r/public/bsdtar-linux-x64/3.8.9_3327cead_a63db9f0bd2c8c7dcfd35f5627eb47cab74075acdb50f5c7be2e524a9351126e.zip
+    - unzip bsdtar.zip -d bsdtar
+    - chmod +x bsdtar/bsdtar
+    - mkdir -p builds/Google.Protobuf
+    - mv csharp/src/Google.Protobuf/bin builds/Google.Protobuf/
+    # builds.tar.zst unpacks faster than the old builds.zip
+    - ./bsdtar/bsdtar --zstd --options zstd:compression-level=22 -cf builds.tar.zst -C builds bin Google.Protobuf include lib

From 7004ddc0abcaab9af56e5098eac764fb2914b7ec Mon Sep 17 00:00:00 2001
From: Mostyn Bramley-Moore <mostyn@unity3d.com>
Date: Mon, 24 Aug 2026 21:49:42 +0200
Subject: [PATCH 2/2] Produce a single file artifact

No need to zip a .tar.zst file.
---
 .yamato/build-all.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.yamato/build-all.yml b/.yamato/build-all.yml
index 2c3b7f9442c2d..63cbecdd6fdd1 100644
--- a/.yamato/build-all.yml
+++ b/.yamato/build-all.yml
@@ -20,6 +20,7 @@ create-build-zip:
     builds:
       paths:
         - builds.tar.zst
+      type: single_file
 
   commands:
     - curl -L -o bsdtar.zip https://public-stevedore.unity3d.com/r/public/bsdtar-linux-x64/3.8.9_3327cead_a63db9f0bd2c8c7dcfd35f5627eb47cab74075acdb50f5c7be2e524a9351126e.zip