build(release): add Homebrew tap, install script, fix deprecations

- Replace deprecated brews with homebrew_casks
- Replace deprecated nfpms.builds with nfpms.ids
- Remove deprecated snapshot.name_template
- Create gogrlx/homebrew-tap repo for Homebrew distribution
- Add install.sh for curl-pipe-sh installation
- Users can now: brew install gogrlx/tap/snack

.goreleaser.yaml

@@ -7,9 +7,6 @@ before:
   hooks:
     - go mod tidy
 
-snapshot:
-  name_template: "{{ incpatch .Version }}-next"
-
 builds:
   - main: ./cmd/snack/
     id: snack
@@ -44,7 +41,7 @@ archives:
 nfpms:
   - id: snack
     package_name: snack
-    builds: [snack]
+    ids: [snack]
     formats: [apk, deb, rpm]
     bindir: /usr/bin
     description: "A unified CLI for system package managers"
@@ -53,6 +50,19 @@ nfpms:
     homepage: https://github.com/gogrlx/snack
     vendor: Adatomic, Inc.
 
+homebrew_casks:
+  - ids: [snack, snack-universal]
+    name: snack
+    binaries:
+      - snack
+    repository:
+      owner: gogrlx
+      name: homebrew-tap
+    directory: Casks
+    homepage: https://github.com/gogrlx/snack
+    description: "A unified CLI for system package managers"
+    license: 0BSD
+
 release:
   github:
     owner: gogrlx

install.sh

@@ -0,0 +1,53 @@
+#!/bin/sh
+# Install snack - a unified CLI for system package managers
+# Usage: curl -sSfL https://raw.githubusercontent.com/gogrlx/snack/main/install.sh | sh
+set -e
+
+REPO="gogrlx/snack"
+INSTALL_DIR="${INSTALL_DIR:-/usr/local/bin}"
+
+# Detect OS and arch
+OS="$(uname -s | tr '[:upper:]' '[:lower:]')"
+ARCH="$(uname -m)"
+case "$ARCH" in
+    x86_64)  ARCH="amd64" ;;
+    aarch64) ARCH="arm64" ;;
+    armv*)   ARCH="arm" ;;
+esac
+
+# macOS universal binary
+if [ "$OS" = "darwin" ]; then
+    ARCH="universal"
+fi
+
+echo "Detected: ${OS}/${ARCH}"
+
+# Get latest release tag
+TAG="$(curl -sSf "https://api.github.com/repos/${REPO}/releases/latest" | grep '"tag_name"' | sed -E 's/.*"([^"]+)".*/\1/')"
+VERSION="${TAG#v}"
+
+if [ -z "$VERSION" ]; then
+    echo "Error: could not determine latest version" >&2
+    exit 1
+fi
+
+echo "Installing snack ${VERSION}..."
+
+TARBALL="snack-${VERSION}-${OS}-${ARCH}.tar.gz"
+URL="https://github.com/${REPO}/releases/download/${TAG}/${TARBALL}"
+
+TMP="$(mktemp -d)"
+trap 'rm -rf "$TMP"' EXIT
+
+curl -sSfL "$URL" -o "${TMP}/${TARBALL}"
+tar xzf "${TMP}/${TARBALL}" -C "$TMP"
+
+if [ -w "$INSTALL_DIR" ]; then
+    mv "${TMP}/snack" "${INSTALL_DIR}/snack"
+else
+    echo "Installing to ${INSTALL_DIR} (requires sudo)..."
+    sudo mv "${TMP}/snack" "${INSTALL_DIR}/snack"
+fi
+
+chmod +x "${INSTALL_DIR}/snack"
+echo "snack ${VERSION} installed to ${INSTALL_DIR}/snack"