work around lack of unzip in linux docker image

Author: mattip

recipe/build-core.sh

@@ -34,10 +34,8 @@ build --experimental_ui_max_stdouterr_bytes=16000000
 build --local_ram_resources=HOST_RAM*.8 --local_cpu_resources=2
 EOF
 else
-  # make sure base image has unzip, build isolation requires it in /bin:/usr/bin:/usr/local/bin
-  echo installing unzip
-  sudo apt install -y unzip
-  echo done installing unzip
+  # set UNZIP, https://github.com/conda-forge/docker-images/issues/311
+  export UNZIP=$(which unzip)
 fi
 
 echo '---------------- .bazelrc --------------------------'

recipe/meta.yaml

@@ -27,6 +27,8 @@ source:
     - patches/0010-patch-bundled-fmt-in-spdlog-for-invalid-char8_type.patch
     # Avoid building openssl-1.1.1f and redis, not needed in the shipped package
     - patches/0011-do-not-build-redis-openssl.patch
+    # https://github.com/conda-forge/docker-images/issues/311
+    - patches/0012-use-unzip-from-env.patch  # [linux]
 
 build:
   number: 0
@@ -86,6 +88,8 @@ outputs:
         - psutil
         - python
         - setproctitle >=1.2.2,<1.4
+        # see https://github.com/conda-forge/docker-images/issues/311
+        - unzip  # [linux]
         - cross-python_{{ target_platform }}     # [build_platform != target_platform]
       host:
         - python

recipe/patches/0012-use-unzip-from-env.patch

@@ -0,0 +1,47 @@
+From 27bb3b1baa25830f790318234042d06039b588af Mon Sep 17 00:00:00 2001
+From: mattip <matti.picus@gmail.com>
+Date: Mon, 1 Sep 2025 09:20:56 +0300
+Subject: [PATCH] use unzip from env
+
+---
+ BUILD.bazel | 10 +++++-----
+ 1 file changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/BUILD.bazel b/BUILD.bazel
+index 804a9591b9..ebae185af6 100644
+--- a/BUILD.bazel
++++ b/BUILD.bazel
+@@ -412,8 +412,8 @@ genrule(
+ 
+         tmpdir=$$(mktemp -d)
+ 
+-        unzip -o -q $(location :core_py_proto_zip) -d "$$tmpdir"
+-        unzip -o -q $(location :serve_py_proto_zip) -d "$$tmpdir"
++        $$(UNZIP) -o -q $(location :core_py_proto_zip) -d "$$tmpdir"
++        $$(UNZIP) -o -q $(location :serve_py_proto_zip) -d "$$tmpdir"
+ 
+         files=(
+             $$(ls "$$tmpdir"/ray/core/generated/*_pb2*.py)
+@@ -450,7 +450,7 @@ genrule(
+         set -euo pipefail
+ 
+         rm -rf python/ray/core/generated python/ray/serve/generated
+-        unzip -o -q $(location :ray_py_proto_zip) -d python
++        $$(UNZIP) -o -q $(location :ray_py_proto_zip) -d python
+ 
+         echo "$${PWD}" > $@
+     """,
+@@ -469,8 +469,8 @@ genrule(
+         set -euo pipefail
+ 
+         rm -rf python/ray/core/generated python/ray/serve/generated
+-        unzip -o -q $(location :ray_py_proto_zip) -d "python"
+-        unzip -o -q $(location :ray_pkg_zip) -d "python"
++        $$(UNZIP) -o -q $(location :ray_py_proto_zip) -d "python"
++        $$(UNZIP) -o -q $(location :ray_pkg_zip) -d "python"
+ 
+         echo "$${PWD}" > $@
+     """,
+-- 
+2.43.0
+