feat: security fixes, loading skeleton, script refactor

src/lib/scripts/snap.ts

@@ -0,0 +1,67 @@
+/**
+ * Snap script generator
+ */
+
+import { generateAsciiHeader, generateSharedUtils, escapeShellString, type PackageInfo } from './shared';
+
+export function generateSnapScript(packages: PackageInfo[]): string {
+    return generateAsciiHeader('Snap', packages.length) + generateSharedUtils(packages.length) + `
+is_installed() {
+    local snap_name=$(echo "$1" | awk '{print $1}')
+    snap list 2>/dev/null | grep -q "^$snap_name "
+}
+
+install_pkg() {
+    local name=$1 pkg=$2
+    CURRENT=$((CURRENT + 1))
+    
+    if is_installed "$pkg"; then
+        skip "$name"
+        SKIPPED+=("$name")
+        return 0
+    fi
+    
+    show_progress $CURRENT $TOTAL "$name"
+    local start=$(date +%s)
+    
+    local output
+    if output=$(with_retry sudo snap install $pkg); then
+        local elapsed=$(($(date +%s) - start))
+        update_avg_time $elapsed
+        printf "\\r\\033[K"
+        timing "$name" "$elapsed"
+        SUCCEEDED+=("$name")
+    else
+        printf "\\r\\033[K\${RED}✗\${NC} %s\\n" "$name"
+        if echo "$output" | grep -q "not found"; then
+            echo -e "    \${DIM}Snap not found\${NC}"
+        fi
+        FAILED+=("$name")
+    fi
+}
+
+# ─────────────────────────────────────────────────────────────────────────────
+
+command -v snap &>/dev/null || { 
+    error "Snap not installed"
+    info "Install: sudo apt/dnf/pacman install snapd"
+    exit 1
+}
+
+if command -v systemctl &>/dev/null && ! systemctl is-active --quiet snapd; then
+    info "Starting snapd..."
+    sudo systemctl enable --now snapd.socket
+    sudo systemctl start snapd
+    sleep 2
+    success "snapd started"
+fi
+
+echo
+info "Installing $TOTAL packages"
+echo
+
+${packages.map(({ app, pkg }) => `install_pkg "${escapeShellString(app.name)}" "${pkg}"`).join('\n')}
+
+print_summary
+`;
+}