From 3cc4ec54f2625935ed4351599c90c42972d9a44c Mon Sep 17 00:00:00 2001
From: Mose Schmiedel <mose@schmiednet.de>
Date: Tue, 12 May 2026 11:52:15 +0200
Subject: [PATCH 1/5] build: use `rattler-build` and enable `pixi-build`
 feature

---
 {src => conda.recipe}/recipe.yaml | 21 +++++++++++++--------
 pixi.toml                         | 15 ++++++++++++++-
 2 files changed, 27 insertions(+), 9 deletions(-)
 rename {src => conda.recipe}/recipe.yaml (64%)

diff --git a/src/recipe.yaml b/conda.recipe/recipe.yaml
similarity index 64%
rename from src/recipe.yaml
rename to conda.recipe/recipe.yaml
index a8e0e39d..276bd9b0 100644
--- a/src/recipe.yaml
+++ b/conda.recipe/recipe.yaml
@@ -1,6 +1,5 @@
 context:
-  version: "0.1.0"
-  max_requirement: "max = 25.3.0.dev2025040705"
+  version: "0.5.0"
 
 package:
   name: "larecs"
@@ -8,29 +7,34 @@ package:
 
 source:
   - git: https://github.com/samufi/larecs.git
-    rev: v0.1.0
+    rev: 9b861b83434206dd9d03c9d4a6857ec96f05c2b5
 
 build:
   number: 0
   script:
     - mojo package src/larecs -o ${{ PREFIX }}/lib/mojo/larecs.mojopkg
+
 requirements:
+  build:
+    - mojo-compiler >=0.26.2,<1.0.0
   host:
-    - ${{ max_requirement }}
+    - mojo-compiler >=0.26.2,<1.0.0
   run:
-    - ${{ pin_compatible('max') }}
+    - ${{ pin_compatible('mojo-compiler') }}
 
 tests:
   - script:
       - if: unix
         then:
-          - mojo test --sanitize address -D ASSERT=all test
+          - scripts/run-tests.sh test
     requirements:
       run:
-        - ${{ max_requirement }}
+        - ${{ pin_compatible('mojo-compiler') }}
     files:
       source:
-        test/
+        - scripts/
+        - test/
+        - pixi.toml
 
 about:
   homepage: https://samufi.github.io/larecs/
@@ -43,4 +47,5 @@ extra:
   maintainers:
     - samufi
     - mlange-42
+    - moseschmiedel
   project_name: Larecs🌲
diff --git a/pixi.toml b/pixi.toml
index 820d6138..7bce820a 100644
--- a/pixi.toml
+++ b/pixi.toml
@@ -8,9 +8,22 @@ channels = ["conda-forge", "https://repo.prefix.dev/max-nightly"]
 description = "Larecs🌲 is a performance-oriented archetype-based ECS for Mojo🔥."
 name = "larecs"
 platforms = ["linux-64", "osx-arm64"]
-version = "0.4.0"
+version = "0.5.0"
+preview = ["pixi-build"]
 
 [tasks]
 
 [dependencies]
 mojo = ">=0.26.2, <1.0.0"
+
+[package]
+name = {workspace = true}
+version = {workspace = true}
+
+[package.build.backend]
+name = "pixi-build-rattler-build"
+version = "*"
+channels = ["conda-forge", "https://repo.prefix.dev/max-nightly"]
+
+[package.build.config]
+recipe = "conda.recipe/recipe.yaml"

From a30dd21654c88999d5634d63dd370480c94d732b Mon Sep 17 00:00:00 2001
From: Mose Schmiedel <mose@schmiednet.de>
Date: Tue, 12 May 2026 15:17:53 +0200
Subject: [PATCH 2/5] chore: upgrade `scripts/pixi.lock` version

---
 scripts/pixi.lock | 92 +++++++++++++++++++++++------------------------
 1 file changed, 46 insertions(+), 46 deletions(-)

diff --git a/scripts/pixi.lock b/scripts/pixi.lock
index 35e5291d..5ecd6317 100644
--- a/scripts/pixi.lock
+++ b/scripts/pixi.lock
@@ -1,4 +1,6 @@
-version: 6
+version: 7
+platforms:
+- name: osx-arm64
 environments:
   default:
     channels:
@@ -6,12 +8,12 @@ environments:
     - url: https://conda.anaconda.org/conda-forge/
     indexes:
     - https://pypi.org/simple
-    options:
-      pypi-prerelease-mode: if-necessary-or-explicit
     packages:
       osx-arm64:
-      - conda: https://conda.anaconda.org/conda-forge/osx-arm64/bzip2-1.0.8-hd037594_9.conda
       - conda: https://conda.anaconda.org/conda-forge/noarch/ca-certificates-2026.4.22-hbd8a1cb_0.conda
+      - conda: https://conda.anaconda.org/conda-forge/noarch/python_abi-3.14-8_cp314.conda
+      - conda: https://conda.anaconda.org/conda-forge/noarch/tzdata-2025c-hc9c84f9_1.conda
+      - conda: https://conda.anaconda.org/conda-forge/osx-arm64/bzip2-1.0.8-hd037594_9.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/libexpat-2.8.0-hf6b4638_0.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/libffi-3.5.2-hcf2aa1b_0.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/liblzma-5.8.3-h8088a28_0.conda
@@ -21,14 +23,39 @@ environments:
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/ncurses-6.6-h1d4f5a5_0.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/openssl-3.6.2-hd24854e_0.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/python-3.14.4-h4c637c5_100_cp314.conda
-      - conda: https://conda.anaconda.org/conda-forge/noarch/python_abi-3.14-8_cp314.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/readline-8.3-h46df422_0.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/tk-8.6.13-h010d191_3.conda
-      - conda: https://conda.anaconda.org/conda-forge/noarch/tzdata-2025c-hc9c84f9_1.conda
       - conda: https://conda.anaconda.org/conda-forge/osx-arm64/zstd-1.5.7-hbf9d68e_6.conda
       - pypi: https://files.pythonhosted.org/packages/de/26/6a28db36a65f9f6e57cb0da611593e309b6422bdbf07e0785cf5b6e8e4cc/perfetto-0.16.0-py3-none-any.whl
       - pypi: https://files.pythonhosted.org/packages/ec/11/3325d41e6ee15bf1125654301211247b042563bcc898784351252549a8ad/protobuf-7.34.1-cp310-abi3-macosx_10_9_universal2.whl
 packages:
+- conda: https://conda.anaconda.org/conda-forge/noarch/ca-certificates-2026.4.22-hbd8a1cb_0.conda
+  sha256: c9dbcc8039a52023660d6d1bbf87594a93dd69c6ac5a2a44323af2c92976728d
+  md5: e18ad67cf881dcadee8b8d9e2f8e5f73
+  depends:
+  - __unix
+  license: ISC
+  purls: []
+  size: 131039
+  timestamp: 1776865545798
+- conda: https://conda.anaconda.org/conda-forge/noarch/python_abi-3.14-8_cp314.conda
+  build_number: 8
+  sha256: ad6d2e9ac39751cc0529dd1566a26751a0bf2542adb0c232533d32e176e21db5
+  md5: 0539938c55b6b1a59b560e843ad864a4
+  constrains:
+  - python 3.14.* *_cp314
+  license: BSD-3-Clause
+  license_family: BSD
+  purls: []
+  size: 6989
+  timestamp: 1752805904792
+- conda: https://conda.anaconda.org/conda-forge/noarch/tzdata-2025c-hc9c84f9_1.conda
+  sha256: 1d30098909076af33a35017eed6f2953af1c769e273a0626a04722ac4acaba3c
+  md5: ad659d0a2b3e47e38d829aa8cad2d610
+  license: LicenseRef-Public-Domain
+  purls: []
+  size: 119135
+  timestamp: 1767016325805
 - conda: https://conda.anaconda.org/conda-forge/osx-arm64/bzip2-1.0.8-hd037594_9.conda
   sha256: 540fe54be35fac0c17feefbdc3e29725cce05d7367ffedfaaa1bdda234b019df
   md5: 620b85a3f45526a8bc4d23fd78fc22f0
@@ -39,15 +66,6 @@ packages:
   purls: []
   size: 124834
   timestamp: 1771350416561
-- conda: https://conda.anaconda.org/conda-forge/noarch/ca-certificates-2026.4.22-hbd8a1cb_0.conda
-  sha256: c9dbcc8039a52023660d6d1bbf87594a93dd69c6ac5a2a44323af2c92976728d
-  md5: e18ad67cf881dcadee8b8d9e2f8e5f73
-  depends:
-  - __unix
-  license: ISC
-  purls: []
-  size: 131039
-  timestamp: 1776865545798
 - conda: https://conda.anaconda.org/conda-forge/osx-arm64/libexpat-2.8.0-hf6b4638_0.conda
   sha256: f4b1cafc59afaede8fa0a2d9cf376840f1c553001acd72f6ead18bbc8ac8c49c
   md5: 65466e82c09e888ca7560c11a97d5450
@@ -133,19 +151,6 @@ packages:
   purls: []
   size: 3106008
   timestamp: 1775587972483
-- pypi: https://files.pythonhosted.org/packages/de/26/6a28db36a65f9f6e57cb0da611593e309b6422bdbf07e0785cf5b6e8e4cc/perfetto-0.16.0-py3-none-any.whl
-  name: perfetto
-  version: 0.16.0
-  sha256: 7da26220635d80fd6a8401f3c75499d180cc48ebd257dad147090ec88b6417c1
-  requires_dist:
-  - protobuf
-  - numpy ; extra == 'numpy'
-  - pandas ; extra == 'pandas'
-- pypi: https://files.pythonhosted.org/packages/ec/11/3325d41e6ee15bf1125654301211247b042563bcc898784351252549a8ad/protobuf-7.34.1-cp310-abi3-macosx_10_9_universal2.whl
-  name: protobuf
-  version: 7.34.1
-  sha256: d8b2cc79c4d8f62b293ad9b11ec3aebce9af481fa73e64556969f7345ebf9fc7
-  requires_python: '>=3.10'
 - conda: https://conda.anaconda.org/conda-forge/osx-arm64/python-3.14.4-h4c637c5_100_cp314.conda
   build_number: 100
   sha256: 27e7d6cbe021f37244b643f06a98e46767255f7c2907108dd3736f042757ddad
@@ -171,17 +176,6 @@ packages:
   size: 13533346
   timestamp: 1775616188373
   python_site_packages_path: lib/python3.14/site-packages
-- conda: https://conda.anaconda.org/conda-forge/noarch/python_abi-3.14-8_cp314.conda
-  build_number: 8
-  sha256: ad6d2e9ac39751cc0529dd1566a26751a0bf2542adb0c232533d32e176e21db5
-  md5: 0539938c55b6b1a59b560e843ad864a4
-  constrains:
-  - python 3.14.* *_cp314
-  license: BSD-3-Clause
-  license_family: BSD
-  purls: []
-  size: 6989
-  timestamp: 1752805904792
 - conda: https://conda.anaconda.org/conda-forge/osx-arm64/readline-8.3-h46df422_0.conda
   sha256: a77010528efb4b548ac2a4484eaf7e1c3907f2aec86123ed9c5212ae44502477
   md5: f8381319127120ce51e081dce4865cf4
@@ -204,13 +198,6 @@ packages:
   purls: []
   size: 3127137
   timestamp: 1769460817696
-- conda: https://conda.anaconda.org/conda-forge/noarch/tzdata-2025c-hc9c84f9_1.conda
-  sha256: 1d30098909076af33a35017eed6f2953af1c769e273a0626a04722ac4acaba3c
-  md5: ad659d0a2b3e47e38d829aa8cad2d610
-  license: LicenseRef-Public-Domain
-  purls: []
-  size: 119135
-  timestamp: 1767016325805
 - conda: https://conda.anaconda.org/conda-forge/osx-arm64/zstd-1.5.7-hbf9d68e_6.conda
   sha256: 9485ba49e8f47d2b597dd399e88f4802e100851b27c21d7525625b0b4025a5d9
   md5: ab136e4c34e97f34fb621d2592a393d8
@@ -222,3 +209,16 @@ packages:
   purls: []
   size: 433413
   timestamp: 1764777166076
+- pypi: https://files.pythonhosted.org/packages/de/26/6a28db36a65f9f6e57cb0da611593e309b6422bdbf07e0785cf5b6e8e4cc/perfetto-0.16.0-py3-none-any.whl
+  name: perfetto
+  version: 0.16.0
+  sha256: 7da26220635d80fd6a8401f3c75499d180cc48ebd257dad147090ec88b6417c1
+  requires_dist:
+  - protobuf
+  - numpy ; extra == 'numpy'
+  - pandas ; extra == 'pandas'
+- pypi: https://files.pythonhosted.org/packages/ec/11/3325d41e6ee15bf1125654301211247b042563bcc898784351252549a8ad/protobuf-7.34.1-cp310-abi3-macosx_10_9_universal2.whl
+  name: protobuf
+  version: 7.34.1
+  sha256: d8b2cc79c4d8f62b293ad9b11ec3aebce9af481fa73e64556969f7345ebf9fc7
+  requires_python: '>=3.10'

From 3ee51b8c4975ea408c20931fbaf3c7220a8b7983 Mon Sep 17 00:00:00 2001
From: Mose Schmiedel <mose@schmiednet.de>
Date: Tue, 12 May 2026 16:15:51 +0200
Subject: [PATCH 3/5] feat: use rattler-build for packaing

---
 .github/workflows/main.yml    |  2 +-
 .github/workflows/release.yml | 22 ++--------------------
 conda.recipe/recipe.yaml      |  5 ++---
 scripts/run_tests.sh          |  2 +-
 4 files changed, 6 insertions(+), 25 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2074d204..d1c35d5b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -30,7 +30,7 @@ jobs:
 
       - name: Run tests
         run: |
-          scripts/run_tests.sh test
+          pixi run scripts/run_tests.sh test
 
       - name: Check formatting
         run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index dd65f75f..2305ece7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -26,23 +26,5 @@ jobs:
         uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - name: Install pixi CLI
-        run: |
-          curl -ssL https://pixi.sh/install.sh | bash
-
-      - name: Build package
-        run: |
-          pixi run mojo package src/larecs
-
-      - name: Test package
-        run: |
-          scripts/run_tests.sh test
-
-      - name: Upload package
-        if: ${{ github.event_name == 'release' }}
-        uses: svenstaro/upload-release-action@v2
-        with:
-          repo_token: ${{ secrets.GITHUB_TOKEN }}
-          file: larecs.mojopkg
-          asset_name: larecs.mojopkg
-          tag: ${{ github.ref }}
+      - name: Build conda package
+        uses: prefix-dev/rattler-build-action@v0.2.37
diff --git a/conda.recipe/recipe.yaml b/conda.recipe/recipe.yaml
index 276bd9b0..51461c18 100644
--- a/conda.recipe/recipe.yaml
+++ b/conda.recipe/recipe.yaml
@@ -6,8 +6,7 @@ package:
   version: ${{ version }}
 
 source:
-  - git: https://github.com/samufi/larecs.git
-    rev: 9b861b83434206dd9d03c9d4a6857ec96f05c2b5
+  path: ../
 
 build:
   number: 0
@@ -26,7 +25,7 @@ tests:
   - script:
       - if: unix
         then:
-          - scripts/run-tests.sh test
+          - scripts/run_tests.sh test
     requirements:
       run:
         - ${{ pin_compatible('mojo-compiler') }}
diff --git a/scripts/run_tests.sh b/scripts/run_tests.sh
index b98575a4..d57884d9 100755
--- a/scripts/run_tests.sh
+++ b/scripts/run_tests.sh
@@ -13,7 +13,7 @@ failed_tests=()
 echo "### ------------------------------------------------------------- ###"
 while IFS= read -r test_file; do
     echo "Running test: $test_file"
-    if ! pixi run mojo --Werror -D ASSERT=all -I src "$test_file" ; then
+    if ! mojo --Werror -D ASSERT=all -I src "$test_file" ; then
         failed_tests+=("$test_file")
     fi
     echo "### ------------------------------------------------------------- ###"

From 10104ed417a43cf74ff2a3b9f2f6db4cc55ab27c Mon Sep 17 00:00:00 2001
From: Mose Schmiedel <mose@schmiednet.de>
Date: Tue, 12 May 2026 16:16:26 +0200
Subject: [PATCH 4/5] build: add recipe for building latest release of larecs

---
 conda.recipe/recipe-latest-release.yaml | 51 +++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 conda.recipe/recipe-latest-release.yaml

diff --git a/conda.recipe/recipe-latest-release.yaml b/conda.recipe/recipe-latest-release.yaml
new file mode 100644
index 00000000..94b168bb
--- /dev/null
+++ b/conda.recipe/recipe-latest-release.yaml
@@ -0,0 +1,51 @@
+context:
+  version: "0.5.0"
+
+package:
+  name: "larecs"
+  version: ${{ version }}
+
+source:
+  - git: https://github.com/samufi/larecs.git
+    rev: 3ee51b8c4975ea408c20931fbaf3c7220a8b7983
+
+build:
+  number: 0
+  script:
+    - mojo package src/larecs -o ${{ PREFIX }}/lib/mojo/larecs.mojopkg
+
+requirements:
+  build:
+    - mojo-compiler >=0.26.2,<1.0.0
+  host:
+    - mojo-compiler >=0.26.2,<1.0.0
+  run:
+    - ${{ pin_compatible('mojo-compiler') }}
+
+tests:
+  - script:
+      - if: unix
+        then:
+          - scripts/run_tests.sh test
+    requirements:
+      run:
+        - ${{ pin_compatible('mojo-compiler') }}
+    files:
+      source:
+        - scripts/
+        - test/
+        - pixi.toml
+
+about:
+  homepage: https://samufi.github.io/larecs/
+  license: LGPL-3.0-only
+  license_file: LICENSE
+  summary: A performance-oriented archetype-based ECS for Mojo🔥.
+  repository: https://github.com/samufi/larecs
+
+extra:
+  maintainers:
+    - samufi
+    - mlange-42
+    - moseschmiedel
+  project_name: Larecs🌲

From aa53fa40780e40f1c78f582c6760a05828d2cd5b Mon Sep 17 00:00:00 2001
From: Mose Schmiedel <mose@schmiednet.de>
Date: Tue, 12 May 2026 16:22:01 +0200
Subject: [PATCH 5/5] ci: specify channels for rattler-build

---
 .github/workflows/release.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 2305ece7..703c410f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -28,3 +28,5 @@ jobs:
           fetch-depth: 0
       - name: Build conda package
         uses: prefix-dev/rattler-build-action@v0.2.37
+        with:
+          build-args: --channel conda-forge --channel https://repo.prefix.dev/max-nightly