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install-dua.sh

@@ -5,11 +5,11 @@
 #
 # Supported platforms:
 #   macOS    : Apple Silicon (arm64), Intel (x86_64) — via Homebrew
-#   Linux    : x86_64, aarch64 — via package manager or curl installer
+#   Linux    : x86_64, aarch64 — via package manager or direct download
 #
 # Prerequisites:
 #   - macOS: Homebrew (brew) — auto-installed if missing
-#   - Linux: curl — for curl-based installer
+#   - Linux: curl — for direct download fallback
 
 set -euo pipefail
 
@@ -17,6 +17,8 @@ set -euo pipefail
 # Constants
 # ────────────────────────────────────────────
 REPO="Byron/dua-cli"
+API_URL="https://api.github.com/repos/${REPO}/releases"
+INSTALL_DIR="${HOME}/.local/bin"
 
 # ────────────────────────────────────────────
 # Utility functions (all stderr output)
@@ -49,7 +51,7 @@ ensure_brew() {
 }
 
 # ────────────────────────────────────────────
-# Detect OS
+# Detect OS / Architecture
 # ────────────────────────────────────────────
 OS="$(uname -s)"
 ARCH="$(uname -m)"
@@ -68,6 +70,41 @@ for cmd in curl; do
 	command -v "$cmd" &>/dev/null || error "'$cmd' command is required."
 done
 
+# Fallback: use python3 if jq is not available
+if command -v jq &>/dev/null; then
+	_json_latest_tag() {
+		jq -r '[.[] | select(.prerelease==false)] | .[0].tag_name'
+	}
+else
+	command -v python3 &>/dev/null || error "'jq' or 'python3' is required."
+	_json_latest_tag() {
+		python3 -c "
+import sys, json
+data = json.load(sys.stdin)
+for r in data:
+    if not r.get('prerelease'):
+        print(r['tag_name'])
+        break
+"
+	}
+fi
+
+# ────────────────────────────────────────────
+# Get latest stable release tag
+# ────────────────────────────────────────────
+get_latest_tag() {
+	info "Fetching latest release from GitHub API..."
+
+	local releases
+	releases="$(curl -fsSL "${API_URL}")" || error "Failed to call GitHub API."
+
+	local tag
+	tag="$(echo "$releases" | _json_latest_tag)"
+
+	[[ -z "$tag" || "$tag" == "null" ]] && error "Could not find latest release tag."
+	echo "$tag"
+}
+
 # ────────────────────────────────────────────
 # Step 1: Install dua
 # ────────────────────────────────────────────
@@ -84,39 +121,83 @@ else
 		success "dua installed via Homebrew"
 		;;
 	Linux)
-		# Try package managers first, fall back to curl installer
+		# Try package managers first
+		DUA_INSTALLED=false
+
 		if command -v apt-get &>/dev/null; then
-			# dua-cli is available in newer Ubuntu/Debian repos
+			info "Trying apt-get..."
-			info "Installing via apt-get..."
 			sudo apt-get update -y 2>/dev/null || true
 			if sudo apt-get install -y dua-cli 2>/dev/null; then
+				DUA_INSTALLED=true
 				success "dua installed via apt-get"
-			else
-				info "dua-cli not in apt repos. Using curl installer..."
-				curl -LSfs https://raw.githubusercontent.com/Byron/dua-cli/master/ci/install.sh |
-					sh -s -- --git Byron/dua-cli --crate dua --target x86_64-unknown-linux-musl
-				success "dua installed via curl installer"
 			fi
-		elif command -v dnf &>/dev/null; then
+		fi
-			sudo dnf install -y dua-cli
+
+		if [ "$DUA_INSTALLED" = "false" ] && command -v dnf &>/dev/null; then
+			info "Trying dnf..."
+			if sudo dnf install -y dua-cli 2>/dev/null; then
+				DUA_INSTALLED=true
 				success "dua installed via dnf"
-		elif command -v pacman &>/dev/null; then
+			fi
-			sudo pacman -S --noconfirm dua-cli
+		fi
+
+		if [ "$DUA_INSTALLED" = "false" ] && command -v pacman &>/dev/null; then
+			info "Trying pacman..."
+			if sudo pacman -S --noconfirm dua-cli 2>/dev/null; then
+				DUA_INSTALLED=true
 				success "dua installed via pacman"
-		elif command -v zypper &>/dev/null; then
+			fi
-			sudo zypper -n install dua-cli
+		fi
+
+		if [ "$DUA_INSTALLED" = "false" ] && command -v zypper &>/dev/null; then
+			info "Trying zypper..."
+			if sudo zypper -n install dua-cli 2>/dev/null; then
+				DUA_INSTALLED=true
 				success "dua installed via zypper"
-		else
+			fi
-			info "No supported package manager found. Using curl installer..."
+		fi
+
+		# Fallback: download binary from GitHub releases
+		if [ "$DUA_INSTALLED" = "false" ]; then
+			info "No package manager had dua-cli. Downloading from GitHub releases..."
+
 			# Determine target
 			case "$ARCH" in
 			x86_64 | amd64) TARGET="x86_64-unknown-linux-musl" ;;
 			aarch64 | arm64) TARGET="aarch64-unknown-linux-musl" ;;
 			*) error "Unsupported Linux architecture: $ARCH" ;;
 			esac
-			curl -LSfs https://raw.githubusercontent.com/Byron/dua-cli/master/ci/install.sh |
+
-				sh -s -- --git Byron/dua-cli --crate dua --target "$TARGET"
+			TAG="$(get_latest_tag)"
-			success "dua installed via curl installer"
+			VERSION="${TAG#v}"
+			FILENAME="dua-${VERSION}-${TARGET}.tar.gz"
+			DOWNLOAD_URL="https://github.com/${REPO}/releases/download/${TAG}/${FILENAME}"
+
+			info "Downloading: $DOWNLOAD_URL"
+			TMPDIR="$(mktemp -d)"
+			trap '[[ -d "${TMPDIR:-}" ]] && rm -rf "$TMPDIR"' EXIT
+
+			curl -fsSL --progress-bar -o "${TMPDIR}/${FILENAME}" "$DOWNLOAD_URL" ||
+				error "Download failed: $DOWNLOAD_URL"
+
+			info "Extracting..."
+			tar -xzf "${TMPDIR}/${FILENAME}" -C "$TMPDIR"
+
+			# Find the dua binary
+			DUA_BIN="$(find "$TMPDIR" -maxdepth 3 -type f -name "dua" | head -1)"
+			[[ -z "$DUA_BIN" ]] && error "Cannot find 'dua' binary in the archive."
+
+			mkdir -p "$INSTALL_DIR"
+			cp "$DUA_BIN" "${INSTALL_DIR}/dua"
+			chmod +x "${INSTALL_DIR}/dua"
+			success "dua installed to ${INSTALL_DIR}/dua"
+
+			# PATH instructions
+			if ! echo ":${PATH}:" | grep -q ":${INSTALL_DIR}:"; then
+				warn "'${INSTALL_DIR}' is not in your PATH."
+				warn "Add this line to your ~/.bashrc or ~/.zshrc:"
+				warn "  export PATH=\"\$HOME/.local/bin:\$PATH\""
+			fi
 		fi
 		;;
 	esac