fix(installer): honor git install versions

scripts/install.sh

@@ -1910,6 +1910,122 @@ run_pnpm() {
     "${PNPM_CMD[@]}" "$@"
 }
 
+resolve_git_openclaw_ref() {
+    local requested="${OPENCLAW_VERSION:-latest}"
+    local resolved_version=""
+
+    case "$requested" in
+        ""|latest)
+            resolved_version="$(npm view "openclaw" "dist-tags.${requested:-latest}" 2>/dev/null || true)"
+            if [[ -n "$resolved_version" ]]; then
+                echo "v${resolved_version}"
+                return 0
+            fi
+            echo "main"
+            return 0
+            ;;
+        next|beta)
+            resolved_version="$(npm view "openclaw" "dist-tags.${requested:-latest}" 2>/dev/null || true)"
+            if [[ -n "$resolved_version" ]]; then
+                echo "v${resolved_version}"
+                return 0
+            fi
+            echo "$requested"
+            return 0
+            ;;
+        main)
+            echo "main"
+            return 0
+            ;;
+        v[0-9]*)
+            echo "$requested"
+            return 0
+            ;;
+        [0-9]*.[0-9]*.[0-9]*)
+            echo "v${requested}"
+            return 0
+            ;;
+        *)
+            echo "$requested"
+            return 0
+            ;;
+    esac
+}
+
+checkout_git_openclaw_ref() {
+    local repo_dir="$1"
+    local ref="$2"
+
+    if [[ -z "$ref" ]]; then
+        return 0
+    fi
+
+    run_quiet_step "Fetching requested version" git -C "$repo_dir" fetch --tags origin
+
+    if [[ "$ref" == "main" ]]; then
+        run_quiet_step "Checking out main" git -C "$repo_dir" checkout main
+        if [[ "$GIT_UPDATE" == "1" ]]; then
+            run_quiet_step "Updating repository" git -C "$repo_dir" pull --rebase || true
+        fi
+        return 0
+    fi
+
+    if git -C "$repo_dir" rev-parse --verify --quiet "refs/tags/${ref}^{commit}" >/dev/null; then
+        run_quiet_step "Checking out ${ref}" git -C "$repo_dir" checkout --detach "$ref"
+        return 0
+    fi
+
+    if git -C "$repo_dir" ls-remote --exit-code --heads origin "$ref" >/dev/null 2>&1; then
+        run_quiet_step "Checking out ${ref}" git -C "$repo_dir" checkout -B "$ref" "origin/$ref"
+        if [[ "$GIT_UPDATE" == "1" ]]; then
+            run_quiet_step "Updating repository" git -C "$repo_dir" pull --rebase || true
+        fi
+        return 0
+    fi
+
+    if git -C "$repo_dir" rev-parse --verify --quiet "${ref}^{commit}" >/dev/null; then
+        run_quiet_step "Checking out ${ref}" git -C "$repo_dir" checkout --detach "$ref"
+        return 0
+    fi
+
+    ui_error "Requested git version not found: ${ref}"
+    return 1
+}
+
+repo_pnpm_spec() {
+    local repo_dir="$1"
+    local package_json="${repo_dir}/package.json"
+
+    if [[ ! -f "$package_json" ]]; then
+        return 1
+    fi
+
+    sed -n -E 's/^[[:space:]]*"packageManager"[[:space:]]*:[[:space:]]*"([^"]+)".*/\1/p' "$package_json" | head -n1
+}
+
+activate_repo_pnpm_version() {
+    local repo_dir="$1"
+    local spec version
+
+    spec="$(repo_pnpm_spec "$repo_dir" || true)"
+    if [[ "$spec" != pnpm@* ]]; then
+        return 0
+    fi
+
+    version="${spec#pnpm@}"
+    version="${version%%+*}"
+    if [[ -z "$version" ]]; then
+        return 0
+    fi
+
+    if command -v corepack >/dev/null 2>&1; then
+        ui_info "Activating repo pnpm ${version}"
+        corepack prepare "pnpm@${version}" --activate >/dev/null 2>&1 || true
+        refresh_shell_command_cache
+        detect_pnpm_cmd || true
+    fi
+}
+
 ensure_user_local_bin_on_path() {
     local target="$HOME/.local/bin"
     mkdir -p "$target"
@@ -2240,17 +2356,19 @@ install_openclaw_from_git() {
         run_quiet_step "Cloning OpenClaw" git clone "$repo_url" "$repo_dir"
     fi
 
-    if [[ "$GIT_UPDATE" == "1" ]]; then
-        if [[ -z "$(git -C "$repo_dir" status --porcelain 2>/dev/null || true)" ]]; then
-            run_quiet_step "Updating repository" git -C "$repo_dir" pull --rebase || true
-        else
-            ui_info "Repo has local changes; skipping git pull"
-        fi
+    local git_ref
+    git_ref="$(resolve_git_openclaw_ref)"
+    if [[ -z "$(git -C "$repo_dir" status --porcelain 2>/dev/null || true)" ]]; then
+        ui_info "Using git ref: ${git_ref}"
+        checkout_git_openclaw_ref "$repo_dir" "$git_ref"
+    else
+        ui_info "Repo has local changes; skipping git checkout/update"
     fi
 
     cleanup_legacy_submodules "$repo_dir"
+    activate_repo_pnpm_version "$repo_dir"
 
-    SHARP_IGNORE_GLOBAL_LIBVIPS="$SHARP_IGNORE_GLOBAL_LIBVIPS" run_quiet_step "Installing dependencies" run_pnpm -C "$repo_dir" install
+    SHARP_IGNORE_GLOBAL_LIBVIPS="$SHARP_IGNORE_GLOBAL_LIBVIPS" run_quiet_step "Installing dependencies" run_pnpm -C "$repo_dir" install --frozen-lockfile
 
     if ! run_quiet_step "Building UI" run_pnpm -C "$repo_dir" ui:build; then
         ui_warn "UI build failed; continuing (CLI may still work)"