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ci: ship prebuilt macOS binaries via GitHub Actions, drop on-user compile
The Homebrew tap formula was compiling looper from source on every install, pulling in rust + cargo deps and burning user CPU for minutes per upgrade. This commit moves compilation to CI: - .github/workflows/release.yml: tag-triggered matrix builds aarch64 and x86_64 macOS tarballs and attaches them to the GitHub release - scripts/render-formula.sh: emits a dual-arch formula with on_arm/on_intel download URLs and SHA256s, declares ffmpeg + yt-dlp as runtime deps, preserves --HEAD source-build path for power users - Makefile: release no longer creates the GH release (CI does); bump-formula now waits for CI assets, downloads them, computes both SHA256s, and regenerates the formula via the renderer script; new smoke-test target verifies the published formula installs the prebuilt binary cleanly
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‎.github/workflows/release.yml‎

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name: Release
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on:
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push:
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tags:
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- "v*"
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permissions:
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contents: write
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jobs:
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create-release:
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name: Create GitHub Release
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runs-on: ubuntu-latest
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steps:
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- uses: softprops/action-gh-release@v2
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with:
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generate_release_notes: true
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build:
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name: Build ${{ matrix.target }}
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needs: create-release
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strategy:
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fail-fast: false
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matrix:
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include:
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- target: aarch64-apple-darwin
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os: macos-14
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- target: x86_64-apple-darwin
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os: macos-13
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runs-on: ${{ matrix.os }}
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steps:
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- uses: actions/checkout@v4
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- uses: dtolnay/rust-toolchain@stable
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with:
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targets: ${{ matrix.target }}
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- uses: Swatinem/rust-cache@v2
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with:
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key: ${{ matrix.target }}
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- name: Build release binary
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run: cargo build --release --target ${{ matrix.target }}
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- name: Package binary
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run: |
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mkdir -p dist
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tar -czf "dist/looper-${{ matrix.target }}.tar.gz" \
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-C "target/${{ matrix.target }}/release" looper
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- name: Upload artifact to release
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uses: softprops/action-gh-release@v2
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with:
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files: dist/looper-${{ matrix.target }}.tar.gz

‎Makefile‎

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.PHONY: help build build-release build-macos run test test-all install clean \
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release release-patch release-minor bump-formula \
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release release-patch release-minor bump-formula wait-for-release-assets smoke-test \
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bench-all bench-startup bench-playback bench-pause bench-memory bench-cpu \
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bench-profile bench-watch bench-results bench-analyze bench-clean
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@@ -143,30 +143,80 @@ release-minor: ## Bump minor version and release
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cargo set-version --bump minor
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$(MAKE) release
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release: ## Tag, push, create GitHub release, and update Homebrew formula
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release: ## Tag, push, wait for CI binaries, then update Homebrew tap
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@echo "Releasing v$(VERSION)..."
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git add Cargo.toml Cargo.lock
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git diff --cached --quiet || git commit -m "Bump version to v$(VERSION)"
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git tag v$(VERSION)
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git push origin main
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git push origin v$(VERSION)
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gh release create v$(VERSION) \
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--repo program247365/looper \
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--title "v$(VERSION)" \
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--generate-notes
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@echo "Tag pushed. CI will build binaries and create the GitHub release."
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$(MAKE) bump-formula
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bump-formula: ## Update Homebrew tap formula to current version
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$(eval SHA256 := $(shell curl -sL "https://github.com/program247365/looper/archive/refs/tags/v$(VERSION).tar.gz" | shasum -a 256 | awk '{print $$1}'))
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@echo "SHA256: $(SHA256)"
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rm -rf $(TAP_DIR)
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git clone $(TAP_REPO) $(TAP_DIR)
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sed -i '' \
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-e 's|url ".*"|url "https://github.com/program247365/looper/archive/refs/tags/v$(VERSION).tar.gz"|' \
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-e 's|sha256 ".*"|sha256 "$(SHA256)"|' \
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$(TAP_DIR)/Formula/looper.rb
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cd $(TAP_DIR) && git add Formula/looper.rb && \
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git commit -m "Update looper to v$(VERSION)" && \
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git push origin main
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rm -rf $(TAP_DIR)
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@echo "Done. Install with: brew tap program247365/tap && brew install looper"
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wait-for-release-assets: ## Wait until both arch tarballs are attached to the GH release
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@echo "Waiting for v$(VERSION) release assets (arm64 + x86_64)..."
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@for i in $$(seq 1 90); do \
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ASSETS=$$(gh release view v$(VERSION) --repo program247365/looper --json assets --jq '.assets[].name' 2>/dev/null || true); \
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ARM=$$(echo "$$ASSETS" | grep -c "looper-aarch64-apple-darwin.tar.gz" || true); \
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X86=$$(echo "$$ASSETS" | grep -c "looper-x86_64-apple-darwin.tar.gz" || true); \
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if [ "$$ARM" = "1" ] && [ "$$X86" = "1" ]; then \
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echo "Both assets present."; \
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exit 0; \
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fi; \
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printf " (%02d/90) waiting... arm64=%s x86_64=%s\n" "$$i" "$$ARM" "$$X86"; \
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sleep 10; \
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done; \
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echo "Timed out waiting for release assets. Check: gh run list --repo program247365/looper"; \
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exit 1
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bump-formula: wait-for-release-assets ## Update tap formula with prebuilt binary URLs + SHA256s
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@set -e; \
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ARM_URL="https://github.com/program247365/looper/releases/download/v$(VERSION)/looper-aarch64-apple-darwin.tar.gz"; \
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X86_URL="https://github.com/program247365/looper/releases/download/v$(VERSION)/looper-x86_64-apple-darwin.tar.gz"; \
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echo "Computing SHA256s..."; \
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ARM_SHA=$$(curl -fsSL "$$ARM_URL" | shasum -a 256 | awk '{print $$1}'); \
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X86_SHA=$$(curl -fsSL "$$X86_URL" | shasum -a 256 | awk '{print $$1}'); \
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echo " arm64: $$ARM_SHA"; \
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echo " x86_64: $$X86_SHA"; \
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rm -rf $(TAP_DIR); \
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git clone $(TAP_REPO) $(TAP_DIR); \
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bash scripts/render-formula.sh "$(VERSION)" "$$ARM_SHA" "$$X86_SHA" > $(TAP_DIR)/Formula/looper.rb; \
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cd $(TAP_DIR) && git add Formula/looper.rb && \
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git commit -m "Update looper to v$(VERSION)" && \
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git push origin main; \
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rm -rf $(TAP_DIR); \
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echo "Done. Users now get a prebuilt binary on 'brew upgrade looper'."
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smoke-test: ## Verify the published formula installs the prebuilt binary cleanly
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@echo "Smoke-testing prebuilt install for v$(VERSION)..."
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@brew tap program247365/tap >/dev/null 2>&1 || true
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@echo "==> Refreshing tap..."
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@brew update --quiet
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@echo "==> Asserting formula uses prebuilt-binary install path..."
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@brew cat program247365/tap/looper | grep -q 'bin.install "looper"' || \
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(echo "FAIL: formula is not on the prebuilt path"; exit 1)
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@echo "==> Asserting tap formula version matches Cargo.toml..."
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@TAP_VERSION=$$(brew cat program247365/tap/looper | awk -F'"' '/^ version /{print $$2; exit}'); \
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if [ "$$TAP_VERSION" != "$(VERSION)" ]; then \
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echo "FAIL: tap has v$$TAP_VERSION but Cargo.toml is v$(VERSION) — run 'make bump-formula' first"; \
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exit 1; \
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fi; \
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echo " tap version: $$TAP_VERSION"
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@echo "==> Reinstalling..."
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@if brew list --versions program247365/tap/looper >/dev/null 2>&1; then \
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brew reinstall program247365/tap/looper; \
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else \
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brew install program247365/tap/looper; \
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fi
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@echo "==> Verifying binary..."
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@INSTALLED=$$(brew list --versions program247365/tap/looper | awk '{print $$2}'); \
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if [ "$$INSTALLED" != "$(VERSION)" ]; then \
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echo "FAIL: brew installed v$$INSTALLED but expected v$(VERSION)"; \
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exit 1; \
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fi; \
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echo " installed: v$$INSTALLED"
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@LOOPER_BIN="$$(brew --prefix)/bin/looper"; \
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"$$LOOPER_BIN" --help >/dev/null 2>&1 && echo " --help: OK" || \
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(echo "FAIL: $$LOOPER_BIN --help failed"; exit 1)
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@echo ""
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@echo "Smoke test passed for v$(VERSION)."

‎scripts/render-formula.sh‎

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#!/usr/bin/env bash
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# Render the Homebrew formula for looper with prebuilt-binary URLs and SHA256s.
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# Usage: render-formula.sh <version> <arm64-sha256> <x86_64-sha256>
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set -euo pipefail
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if [[ $# -ne 3 ]]; then
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echo "usage: $0 <version> <arm64-sha256> <x86_64-sha256>" >&2
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exit 2
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fi
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VERSION="$1"
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ARM_SHA="$2"
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X86_SHA="$3"
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cat <<EOF
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class Looper < Formula
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desc "CLI tool that plays a song on loop with a ratatui TUI and FFT visualizer"
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homepage "https://github.com/program247365/looper"
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version "${VERSION}"
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license "MIT"
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on_macos do
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on_arm do
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url "https://github.com/program247365/looper/releases/download/v${VERSION}/looper-aarch64-apple-darwin.tar.gz"
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sha256 "${ARM_SHA}"
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end
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on_intel do
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url "https://github.com/program247365/looper/releases/download/v${VERSION}/looper-x86_64-apple-darwin.tar.gz"
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sha256 "${X86_SHA}"
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end
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end
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depends_on "ffmpeg"
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depends_on "yt-dlp"
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head do
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url "https://github.com/program247365/looper.git", branch: "main"
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depends_on "rust" => :build
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end
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def install
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if build.head?
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system "cargo", "install", *std_cargo_args
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else
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bin.install "looper"
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end
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end
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test do
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assert_match "looper", shell_output("#{bin}/looper --help 2>&1")
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end
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end
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EOF

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