Add rattler-build recipe for Zig-built conda-launchers (#7)

Co-authored-by: jaimergp <[email protected]>

.github/workflows/test.yml

@@ -20,7 +20,7 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  build_recipe:
+  conda_build_recipe:
     name: Build conda recipe (${{ matrix.subdir }})
     runs-on: ${{ matrix.os }}
     strategy:
@@ -80,3 +80,45 @@ jobs:
 
           echo "Use this command to try out the build:"
           echo "  conda install -c ${ANACONDA_ORG_CHANNEL}/label/${ANACONDA_ORG_LABEL} conda-launchers"
+
+  rattler_build_recipe:
+    name: Rattler build recipe
+    runs-on: windows-latest
+    steps:
+      - name: Checkout Source
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+
+      - name: Setup Pixi
+        uses: prefix-dev/[email protected]
+        with:
+          cache: true
+
+      - name: Run Build
+        shell: pwsh
+        run: pixi run build
+
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: conda-launchers-zig-builds
+          path: |
+            ./output/noarch/conda-launchers*.conda
+
+      - name: Upload to Anaconda
+        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+        env:
+          ANACONDA_OWNER: conda-canary
+          ANACONDA_CHANNEL: conda-launchers-zig_dev
+          ANACONDA_API_KEY: ${{ secrets.ANACONDA_ORG_CONDA_CANARY_TOKEN }}
+        shell: pwsh
+        run: |
+          if (-not $env:ANACONDA_API_KEY -or $env:ANACONDA_API_KEY -eq '') {
+            Write-Error "ANACONDA_API_KEY is not set."
+            exit 1
+          }
+          foreach ($file in Get-ChildItem -Path "./output/noarch/conda-launchers*.conda") {
+            Write-Host "Uploading $($file.Name)"
+            pixi run upload "$file"
+          }

.gitignore

@@ -160,3 +160,9 @@ cython_debug/
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
+
+!launcher.manifest
+# pixi environment
+.pixi/
+# rattler-build output
+output/

pixi.toml

@@ -0,0 +1,17 @@
+[project]
+name = "conda-launchers"
+version = "0.0.0"
+description = "Conda launchers for Windows"
+channels = ["conda-forge"]
+platforms = ["win-64"]
+license = "BSD-3-Clause"
+
+[tasks]
+build = "rattler-build build --recipe recipe-zig --log-style plain --skip-existing all -c conda-forge"
+upload = "rattler-build upload anaconda --log-style plain"
+
+[dependencies]
+rattler-build = ">=0.29.0,<0.30"
+
+[target.win-64.dependencies]
+m2-patch = ">=2.7.6.2,<3"

recipe-zig/build.bat

@@ -0,0 +1,50 @@
+setlocal EnableDelayedExpansion
+
+@rem no-op for conda-launchers metapackage
+if %PKG_NAME% == conda-launchers (exit 0)
+
+@rem rename patched source file to be used for building
+move /Y launcher.c.orig launcher.c
+
+if %PKG_NAME% == conda-launchers_win-32 (
+    set ZIG_TARGET=x86-windows-gnu
+    set EXE_TARGET=32
+)
+
+if %PKG_NAME% == conda-launchers_win-64 (
+    set ZIG_TARGET=x86_64-windows-gnu
+    set EXE_TARGET=64
+)
+
+if %PKG_NAME% == conda-launchers_win-arm64 (
+    set ZIG_TARGET=aarch64-windows-gnu
+    set EXE_TARGET=arm64
+)
+
+@rem build cli launcher
+zig build -Doptimize=ReleaseSmall -Dtarget=%ZIG_TARGET% -Dgui=false --prefix-exe-dir "%PREFIX%\Scripts"
+if %ERRORLEVEL% neq 0 exit 1
+
+@rem build gui launcher
+zig build -Doptimize=ReleaseSmall -Dtarget=%ZIG_TARGET% -Dgui=true --prefix-exe-dir "%PREFIX%\Scripts"
+if %ERRORLEVEL% neq 0 exit 1
+
+@rem install launcher scripts
+cd "%PREFIX%\Scripts"
+(
+echo print^("cli-%EXE_TARGET%.exe successfully launched the accompanying Python script"^)
+)> "cli-%EXE_TARGET%-script.py"
+
+if %ERRORLEVEL% neq 0 exit 1
+
+(
+echo import tkinter as tk
+echo root = tk.Tk^(^)
+echo text = tk.Label^(root, text ="Hello and Bye!"^)
+echo text.pack^(^)
+echo root.geometry^("150x100"^)
+echo root.after^(1000, lambda: root.destroy^(^)^)
+echo root.mainloop^(^)
+)> "gui-%EXE_TARGET%-script.pyw"
+
+if %ERRORLEVEL% neq 0 exit 1