Add build workflow

.github/workflows/build.yml

@@ -0,0 +1,118 @@
+name: Build and upload release binaries
+
+on:
+  # push:
+  #   tags:
+  #     - "v*"
+  workflow_dispatch:
+  pull_request:
+    branches:
+      - '**' # TODO: remove
+
+permissions:
+  contents: write
+
+jobs:
+  build-and-upload:
+    name: ${{ matrix.target }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-musl
+            use-cross: true
+          - os: ubuntu-latest
+            target: aarch64-unknown-linux-musl
+            use-cross: true
+          - os: macos-13
+            target: x86_64-apple-darwin
+            use-cross: false
+          - os: macos-latest
+            target: aarch64-apple-darwin
+            use-cross: false
+          - os: windows-latest
+            target: x86_64-pc-windows-msvc
+            use-cross: false
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+
+    - name: Get latest tag
+      shell: bash
+      run: |
+        git fetch --tags
+        LATEST_TAG=$(git tag --sort=committerdate | tail -1)
+        echo "LATEST_TAG=$LATEST_TAG" >> $GITHUB_ENV
+
+    - name: Install Rust
+      uses: dtolnay/rust-toolchain@stable
+      with:
+        targets: ${{ matrix.target }}
+
+    - name: Handle Rust dependencies caching
+      uses: Swatinem/rust-cache@v2
+      with:
+        key: v1-${{ matrix.target }}
+
+    - name: Build binary
+      uses: clechasseur/rs-cargo@v2
+      with:
+        command: build
+        args: --release --target ${{ matrix.target }}
+        use-cross: ${{ matrix.use-cross }}
+
+    - name: Get binary name from Cargo.toml
+      shell: bash
+      run: |
+        BINARY_NAME=$(grep -m1 '^name' Cargo.toml | cut -d'"' -f2 | cut -d"'" -f2)
+        echo "BINARY_NAME=$BINARY_NAME" >> $GITHUB_ENV
+
+    - name: Create release archive
+      shell: bash
+      run: |
+        cd target/${{ matrix.target }}/release
+        if [ "${{ runner.os }}" = "Windows" ]; then
+          ARCHIVE="${{ env.BINARY_NAME }}-${{ env.LATEST_TAG }}-${{ matrix.target }}.zip"
+          mv "${{ env.BINARY_NAME }}.exe" "${{ env.BINARY_NAME }}-${{ matrix.target }}.exe"
+          7z a "$ARCHIVE" "${{ env.BINARY_NAME }}-${{ matrix.target }}.exe"
+        else
+          ARCHIVE="${{ env.BINARY_NAME }}-${{ env.LATEST_TAG }}-${{ matrix.target }}.tar.gz"
+          mv "${{ env.BINARY_NAME }}" "${{ env.BINARY_NAME }}-${{ matrix.target }}"
+          tar -czvf "$ARCHIVE" "${{ env.BINARY_NAME }}-${{ matrix.target }}"
+        fi
+
+        # Generate checksums
+        openssl dgst -r -sha256 -out "$ARCHIVE.sha256" "$ARCHIVE"
+        openssl dgst -r -sha512 -out "$ARCHIVE.sha512" "$ARCHIVE"
+
+        echo "ASSET=$ARCHIVE" >> $GITHUB_ENV
+
+    - name: Verify binary
+      shell: bash
+      run: |
+        cd target/${{ matrix.target }}/release
+        case "${{ matrix.target }}" in
+          *windows*)
+            7z x -y "$ASSET"
+            ./${{ env.BINARY_NAME }}-${{ matrix.target }}.exe --version ;;
+          aarch64*)
+            echo "Can't test an ARM binary on a AMD64 runner" ;;
+          *)
+            tar -xvzf "$ASSET"
+            ./${{ env.BINARY_NAME }}-${{ matrix.target }} --version ;;
+        esac
+
+    - name: Upload to release
+      uses: softprops/action-gh-release@v1
+      with:
+        tag_name: ${{ env.LATEST_TAG }}
+        files: |
+          target/${{ matrix.target }}/release/${{ env.ASSET }}
+          target/${{ matrix.target }}/release/${{ env.ASSET }}.sha256
+          target/${{ matrix.target }}/release/${{ env.ASSET }}.sha512
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

README.md

@@ -24,6 +24,19 @@ Ensure you have cargo installed (see [here](https://doc.rust-lang.org/cargo/gett
 cargo install scooter
 ```
 
+### Prebuilt binaries
+
+You can download binaries from the releases page (note that you'll need to unzip after downloading):
+
+- **Linux**
+  - Intel/AMD: `*-x86_64-unknown-linux-musl.tar.gz`
+  - ARM64: `*-aarch64-unknown-linux-musl.tar.gz`
+- **macOS**
+  - Apple Silicon: `*-aarch64-apple-darwin.tar.gz`
+  - Intel: `*-x86_64-apple-darwin.tar.gz`
+- **Windows**
+  - `*-x86_64-pc-windows-msvc.zip`
+
 ### Building from source
 
 Ensure you have cargo installed (see [here](https://doc.rust-lang.org/cargo/getting-started/installation.html)), then run the following commands:

src/main.rs

@@ -4,20 +4,22 @@ use ratatui::{backend::CrosstermBackend, Terminal};
 use std::{io, path::PathBuf, str::FromStr};
 use tui::Tui;
 
+use crate::{
+    app::App,
+    event::{Event, EventHandler},
+};
+
 mod app;
 mod event;
 mod fields;
 mod logging;
 mod tui;
 mod ui;
 mod utils;
-use crate::{
-    app::App,
-    event::{Event, EventHandler},
-};
 
 #[derive(Parser, Debug)]
 #[command(about = "Interactive find and replace TUI.")]
+#[command(version)]
 struct Args {
     /// Directory in which to search
     #[arg(index = 1)]