Add pixi package.

pixi.yaml

@@ -0,0 +1,38 @@
+package:
+  name: pixi
+  version: 0.1.0
+  epoch: 0
+  description: "Package management made easy"
+  copyright:
+    - license: BSD-3-Clause
+
+environment:
+  contents:
+    packages:
+      - rust
+      - wolfi-base
+      - busybox
+      - ca-certificates-bundle
+      - build-base
+      - openssl-dev
+
+pipeline:
+  - uses: git-checkout
+    with:
+      repository: https://github.com/prefix-dev/pixi
+      expected-commit: 6fcd570094b0141ce9b3af10e52cee25aa28a6ff
+      tag: v${{package.version}}
+
+  - name: Configure and build
+    runs: |
+      cargo build --release
+      mkdir -p ${{targets.destdir}}/usr/bin/
+      mv target/release/pixi ${{targets.destdir}}/usr/bin/
+
+  - uses: strip
+
+update:
+  enabled: true
+  github:
+    identifier: prefix-dev/pixi
+    strip-prefix: v