feat: add --version flag + Homebrew distribution

.github/workflows/build.yml

@@ -151,3 +151,30 @@ jobs:
           name: TextStep ${{ steps.version.outputs.tag }}
           generate_release_notes: true
           files: artifacts/*.tar.gz
+
+      - name: Update Homebrew formula
+        if: steps.check-label.outputs.should-release == 'true'
+        env:
+          HOMEBREW_TAP_TOKEN: ${{ secrets.HOMEBREW_TAP_TOKEN }}
+        run: |
+          VERSION="${{ steps.version.outputs.version }}"
+          MACOS_SHA=$(shasum -a 256 artifacts/textstep-universal-apple-darwin.tar.gz | cut -d' ' -f1)
+          LINUX_SHA=$(shasum -a 256 artifacts/textstep-x86_64-unknown-linux-gnu.tar.gz | cut -d' ' -f1)
+
+          git clone https://x-access-token:${HOMEBREW_TAP_TOKEN}@github.com/illobo/homebrew-textstep.git /tmp/homebrew-tap
+          cd /tmp/homebrew-tap
+
+          # Update version
+          sed -i "s/^  version \".*\"/  version \"${VERSION}\"/" Formula/textstep.rb
+
+          # Update macOS SHA256 (first sha256 line)
+          sed -i "0,/sha256 \"[a-f0-9]*\"/s/sha256 \"[a-f0-9]*\"/sha256 \"${MACOS_SHA}\"/" Formula/textstep.rb
+
+          # Update Linux SHA256 (second sha256 line)
+          sed -i ":a;N;\$!ba;s/\(sha256 \"[a-f0-9]*\".*\)sha256 \"[a-f0-9]*\"/\1sha256 \"${LINUX_SHA}\"/" Formula/textstep.rb
+
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add Formula/textstep.rb
+          git commit -m "Update textstep to v${VERSION}"
+          git push

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "textstep"
-version = "1.2.4"
+version = "1.2.5"
 edition = "2024"
 
 [dependencies]

Formula/textstep.rb

@@ -0,0 +1,24 @@
+class Textstep < Formula
+  desc "TUI step sequencer, drum machine, and synthesizer"
+  homepage "https://github.com/illobo/textStep"
+  version "1.2.5"
+  license "MIT"
+
+  on_macos do
+    url "https://github.com/illobo/textStep/releases/download/v#{version}/textstep-universal-apple-darwin.tar.gz"
+    sha256 "bc937273465ad760699bbaacac2071f93bbb84317fe3cf7ec82a1934e7ad6ea3"
+  end
+
+  on_linux do
+    url "https://github.com/illobo/textStep/releases/download/v#{version}/textstep-x86_64-unknown-linux-gnu.tar.gz"
+    sha256 "64d0eb9aa1a79c3b419729c0de21b3182e65bc2791b4c1d96a11e26e35d75535"
+  end
+
+  def install
+    bin.install "textstep"
+  end
+
+  test do
+    assert_match "textstep #{version}", shell_output("#{bin}/textstep --version")
+  end
+end

scripts/update-formula.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+# Updates the Homebrew formula with correct SHA256 hashes after a GitHub release.
+# Usage: ./scripts/update-formula.sh [version]
+# If version is omitted, reads from Cargo.toml.
+
+set -euo pipefail
+
+REPO="illobo/textStep"
+FORMULA="Formula/textstep.rb"
+
+VERSION="${1:-$(grep '^version' Cargo.toml | head -1 | sed 's/.*"\(.*\)".*/\1/')}"
+echo "Updating formula for v${VERSION}..."
+
+MACOS_URL="https://github.com/${REPO}/releases/download/v${VERSION}/textstep-universal-apple-darwin.tar.gz"
+LINUX_URL="https://github.com/${REPO}/releases/download/v${VERSION}/textstep-x86_64-unknown-linux-gnu.tar.gz"
+
+echo "Downloading macOS tarball..."
+MACOS_SHA=$(curl -sL "$MACOS_URL" | shasum -a 256 | cut -d' ' -f1)
+echo "  SHA256: ${MACOS_SHA}"
+
+echo "Downloading Linux tarball..."
+LINUX_SHA=$(curl -sL "$LINUX_URL" | shasum -a 256 | cut -d' ' -f1)
+echo "  SHA256: ${LINUX_SHA}"
+
+# Update version
+sed -i '' "s/^  version \".*\"/  version \"${VERSION}\"/" "$FORMULA"
+
+# Update SHA256 hashes
+# macOS sha is the first sha256 line, Linux is the second
+awk -v macos="$MACOS_SHA" -v linux="$LINUX_SHA" '
+  /on_macos/ { in_macos=1 }
+  /on_linux/ { in_macos=0; in_linux=1 }
+  /sha256/ && in_macos { sub(/"[^"]*"/, "\"" macos "\""); in_macos=0 }
+  /sha256/ && in_linux { sub(/"[^"]*"/, "\"" linux "\""); in_linux=0 }
+  { print }
+' "$FORMULA" > "${FORMULA}.tmp" && mv "${FORMULA}.tmp" "$FORMULA"
+
+echo "Formula updated:"
+grep -E '(version|sha256|url)' "$FORMULA"

src/main.rs

@@ -10,6 +10,7 @@ mod presets;
 mod sequencer;
 mod ui;
 
+use std::env;
 use std::io;
 use std::sync::Arc;
 use std::time::Duration;
@@ -24,6 +25,13 @@ use ratatui::Terminal;
 /// terminal, and enters the main UI loop. The audio stream is kept alive
 /// until this function returns.
 fn main() -> io::Result<()> {
+    // Handle --version / -V flag
+    let args: Vec<String> = env::args().collect();
+    if args.iter().any(|a| a == "--version" || a == "-V") {
+        println!("textstep {}", env!("CARGO_PKG_VERSION"));
+        return Ok(());
+    }
+
     // Create channels for UI <-> Audio communication
     let (tx_to_audio, rx_from_ui) = crossbeam_channel::bounded(64);
     let (tx_to_ui, rx_from_audio) = crossbeam_channel::bounded(16);