init repo with nix and cargo

.envrc

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+use flake

.github/FUNDING.yml

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+github: soywod

.github/workflows/release.yml

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+name: release
+
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  create-release:
+    runs-on: ubuntu-latest
+    outputs:
+      upload_url: ${{ steps.create-release.outputs.upload_url }}
+    steps:
+      - name: Create release
+        id: create-release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: ${{ github.ref }}
+          draft: false
+          prerelease: false
+
+  deploy-unix-releases:
+    runs-on: ${{ matrix.os }}
+    needs: create-release
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - target: linux
+            os: ubuntu-latest
+          - target: linux-musl
+            os: ubuntu-latest
+          - target: macos
+            os: macos-latest
+          # TODO: uncomment once nix build .#windows works
+          # - target: windows
+          #   os: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2        
+      - name: Install Nix
+        uses: cachix/install-nix-action@v26
+        with:
+          nix_path: nixpkgs=channel:nixos-23.11
+          extra_nix_config: |
+            experimental-features = nix-command flakes
+      - uses: cachix/cachix-action@v12
+        with:
+          name: soywod
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+      - name: Build release
+        run: nix build -L .#${{ matrix.target }}
+      - name: Copy binary
+        run: |
+          cp result/bin/himalaya* .
+      - name: Patch binary interpreter
+        if: ${{ matrix.target == 'linux' }}
+        run: |
+          nix-shell -p patchelf --command "sudo patchelf --set-interpreter /lib64/ld-linux-x86-64.so.2 himalaya-repl"
+      - name: Prepare release archives
+        run: |
+          tar -czf himalaya-repl.tgz himalaya*
+          zip -r himalaya-repl.zip himalaya*
+      - name: Upload tarball release archive
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ needs.create-release.outputs.upload_url }}
+          asset_path: himalaya-repl.tgz
+          asset_name: himalaya-repl-${{ matrix.target }}.tgz
+          asset_content_type: application/gzip
+      - name: Upload zip release archive
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ needs.create-release.outputs.upload_url }}
+          asset_path: himalaya-repl.zip
+          asset_name: himalaya-repl-${{ matrix.target }}.zip
+          asset_content_type: application/zip
+
+  # TODO: remove me once nix build .#windows works
+  deploy-windows-release:
+    runs-on: windows-latest
+    needs: create-release
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Install rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          profile: minimal
+      - name: Build release
+        uses: actions-rs/cargo@v1
+        with:
+          command: build
+          args: --release
+      - name: Copy binary
+        run: |
+          copy target/release/himalaya-repl.exe .
+      - name: Prepare release archives
+        run: |
+          tar -czf himalaya-repl.tgz himalaya-repl.exe
+          Compress-Archive -Path himalaya.exe -DestinationPath himalaya-repl.zip
+      - name: Upload tarball release archive
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ needs.create-release.outputs.upload_url }}
+          asset_path: himalaya-repl.tgz
+          asset_name: himalaya-repl-windows.tgz
+          asset_content_type: application/gzip
+      - name: Upload zip release archive
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ needs.create-release.outputs.upload_url }}
+          asset_path: himalaya.zip
+          asset_name: himalaya-repl-windows.zip
+          asset_content_type: application/zip
+
+  publish-crates-io:
+    runs-on: ubuntu-latest
+    needs: create-release
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2        
+      - name: Install Nix
+        uses: cachix/install-nix-action@v26
+        with:
+          nix_path: nixpkgs=channel:nixos-23.11
+          extra_nix_config: |
+            experimental-features = nix-command flakes
+      - name: Publish library to crates.io
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
+        run: |
+          nix develop -c cargo publish --no-verify --token ${CARGO_REGISTRY_TOKEN}

.github/workflows/tests.yml

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+name: tests
+
+on:
+  pull_request:
+  push:
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Install Nix
+        uses: cachix/install-nix-action@v26
+        with:
+          nix_path: nixpkgs=channel:nixos-23.11
+          extra_nix_config: |
+            experimental-features = nix-command flakes
+      - uses: cachix/cachix-action@v12
+        with:
+          name: soywod
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+      - name: Build then test
+        run: nix build

.gitignore

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+# Cargo config directory
+.cargo/
+
+# Cargo build directory
+target/
+debug/
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb
+
+# Nix build directory
+result
+result-*
+
+# Direnv
+/.envrc
+/.direnv
+
+
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+.idea/
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# SonarLint plugin
+.idea/sonarlint/
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+## Others
+.metadata/