feat: auto-install missing prerequisites (go, git, jq)

Install script now detects missing dependencies and installs them
automatically via apt/dnf/yum/pacman/apk/brew. Go is installed
directly from go.dev if missing or too old.

Also added note about global config path in README.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

README.md

@@ -31,7 +31,10 @@ curl -fsSL https://gitea.dev.marcus-law.co.il/Chaim/gitea-mcp/raw/branch/main/in
 curl -fsSL https://gitea.dev.marcus-law.co.il/Chaim/gitea-mcp/raw/branch/main/install.sh | bash
 ```
 
-## הגדרה ידנית
+## הגדר�� ידנית
+
+> **חשוב:** כדי שההגדרה תהיה **גלובלית** (זמינה בכל פרויקט), יש לכתוב אותה ב-`~/.claude/settings.json` תחת `mcpServers`.
+> אל תשתמשו ב-`.mcp.json` ברמת פרויקט — זה יגרום לכפילויות ויעבוד רק בתיקייה הספציפית.
 
 ### שרת יחיד
 

install.sh

@@ -66,6 +66,81 @@ ask_input() {
   fi
 }
 
+# ── Auto-install helpers ───────────────────────────────────────────────────
+
+detect_pkg_manager() {
+  if command -v apt-get &>/dev/null; then echo "apt"
+  elif command -v dnf &>/dev/null; then echo "dnf"
+  elif command -v yum &>/dev/null; then echo "yum"
+  elif command -v pacman &>/dev/null; then echo "pacman"
+  elif command -v apk &>/dev/null; then echo "apk"
+  elif command -v brew &>/dev/null; then echo "brew"
+  else echo ""; fi
+}
+
+install_pkg() {
+  local pkg="$1"
+  local pm
+  pm=$(detect_pkg_manager)
+
+  case "$pm" in
+    apt)    sudo apt-get update -qq && sudo apt-get install -y -qq "$pkg" ;;
+    dnf)    sudo dnf install -y -q "$pkg" ;;
+    yum)    sudo yum install -y -q "$pkg" ;;
+    pacman) sudo pacman -S --noconfirm "$pkg" ;;
+    apk)    sudo apk add --quiet "$pkg" ;;
+    brew)   brew install "$pkg" ;;
+    *)      return 1 ;;
+  esac
+}
+
+install_go() {
+  local GO_VERSION_TARGET="1.24.2"
+  local ARCH
+  ARCH=$(uname -m)
+  case "$ARCH" in
+    x86_64)  ARCH="amd64" ;;
+    aarch64|arm64) ARCH="arm64" ;;
+    *) error "Unsupported architecture: $ARCH"; return 1 ;;
+  esac
+  local OS
+  OS=$(uname -s | tr '[:upper:]' '[:lower:]')
+
+  local TARBALL="go${GO_VERSION_TARGET}.${OS}-${ARCH}.tar.gz"
+  local URL="https://go.dev/dl/$TARBALL"
+
+  info "Downloading Go $GO_VERSION_TARGET for $OS/$ARCH ..."
+  local tmpfile
+  tmpfile=$(mktemp)
+  if command -v curl &>/dev/null; then
+    curl -fsSL "$URL" -o "$tmpfile"
+  elif command -v wget &>/dev/null; then
+    wget -q "$URL" -O "$tmpfile"
+  else
+    error "Neither curl nor wget found — cannot download Go"
+    return 1
+  fi
+
+  info "Installing Go to /usr/local/go ..."
+  sudo rm -rf /usr/local/go
+  sudo tar -C /usr/local -xzf "$tmpfile"
+  rm -f "$tmpfile"
+
+  # Add to PATH for this session
+  export PATH="/usr/local/go/bin:$PATH"
+
+  # Persist in shell profile if not already there
+  local profile="$HOME/.profile"
+  [ -f "$HOME/.bashrc" ] && profile="$HOME/.bashrc"
+  [ -f "$HOME/.zshrc" ] && profile="$HOME/.zshrc"
+  if ! grep -q '/usr/local/go/bin' "$profile" 2>/dev/null; then
+    echo 'export PATH="/usr/local/go/bin:$PATH"' >> "$profile"
+    info "Added Go to PATH in $profile"
+  fi
+
+  ok "Go $GO_VERSION_TARGET installed"
+}
+
 # ── Step 0: Prerequisites ──────────────────────────────────────────────────
 
 echo ""
@@ -74,25 +149,47 @@ echo ""
 
 info "Checking prerequisites..."
 
-if ! command -v go &>/dev/null; then
+# --- git ---
-  error "Go is required but not found. Install from https://go.dev/dl/"
-  exit 1
-fi
-GO_VERSION=$(go version | grep -oP 'go\d+\.\d+')
-ok "go ($GO_VERSION)"
-
 if ! command -v git &>/dev/null; then
-  error "git is required but not found"
+  warn "git not found, installing..."
-  exit 1
+  if ! install_pkg git; then
+    error "Failed to install git. Install manually and re-run."
+    exit 1
+  fi
 fi
 ok "git ($(git --version | cut -d' ' -f3))"
 
+# --- jq ---
 if ! command -v jq &>/dev/null; then
-  error "jq is required but not found. Install: sudo apt install jq"
+  warn "jq not found, installing..."
-  exit 1
+  if ! install_pkg jq; then
+    error "Failed to install jq. Install manually and re-run."
+    exit 1
+  fi
 fi
 ok "jq ($(jq --version 2>/dev/null))"
 
+# --- Go ---
+if ! command -v go &>/dev/null; then
+  warn "Go not found, installing..."
+  if ! install_go; then
+    error "Failed to install Go. Install manually from https://go.dev/dl/ and re-run."
+    exit 1
+  fi
+fi
+GO_VERSION=$(go version | grep -oP 'go\d+\.\d+')
+GO_MAJOR=$(echo "$GO_VERSION" | grep -oP '\d+' | head -1)
+GO_MINOR=$(echo "$GO_VERSION" | grep -oP '\d+' | tail -1)
+if [ "$GO_MAJOR" -lt 1 ] || { [ "$GO_MAJOR" -eq 1 ] && [ "$GO_MINOR" -lt 24 ]; }; then
+  warn "Go $GO_VERSION is too old (need 1.24+), upgrading..."
+  if ! install_go; then
+    error "Failed to upgrade Go. Install manually from https://go.dev/dl/ and re-run."
+    exit 1
+  fi
+  GO_VERSION=$(go version | grep -oP 'go\d+\.\d+')
+fi
+ok "go ($GO_VERSION)"
+
 # ── Step 1: Clone or update ────────────────────────────────────────────────
 
 echo ""