修雨
833d0cc05e
Resolve the shortcut catalog constraint migration and preserve both fake caller response modes.
427 lines
14 KiB
Go
427 lines
14 KiB
Go
// Copyright 2026 Alibaba Group
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package shortcut
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import (
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"bufio"
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"encoding/json"
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"fmt"
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"os"
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"strings"
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apperrors "github.com/DingTalk-Real-AI/dingtalk-workspace-cli/internal/errors"
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"github.com/DingTalk-Real-AI/dingtalk-workspace-cli/internal/helpers"
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"github.com/DingTalk-Real-AI/dingtalk-workspace-cli/internal/output"
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"github.com/DingTalk-Real-AI/dingtalk-workspace-cli/pkg/edition"
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"github.com/spf13/cobra"
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"github.com/spf13/pflag"
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)
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// RuntimeContext is handed to a Shortcut's Validate and Execute hooks. It wraps
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// the cobra command and exposes typed flag accessors plus a single CallMCP entry
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// point so shortcut authors never touch cobra/executor plumbing directly.
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type RuntimeContext struct {
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cmd *cobra.Command
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shortcut Shortcut
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}
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// AIMessageTagFlag matches `chat message send --ai-tag`: IM send shortcuts
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// default to tagging delivered messages as AI-sent, while still allowing users
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// to opt out with --ai-tag=false.
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func AIMessageTagFlag() Flag {
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return Flag{Name: "ai-tag", Type: FlagBool, Default: "true", Desc: "消息是否带 AI 发送角标（默认 true）"}
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}
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// Command returns the underlying cobra command (escape hatch; prefer the typed
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// accessors below).
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func (rt *RuntimeContext) Command() *cobra.Command { return rt.cmd }
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// Str returns the trimmed string value of a flag, or "" if unset.
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func (rt *RuntimeContext) Str(name string) string {
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v, _ := rt.cmd.Flags().GetString(name)
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return strings.TrimSpace(v)
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}
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// StrFirst returns the first non-empty string value across a primary flag and
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// its aliases.
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func (rt *RuntimeContext) StrFirst(names ...string) string {
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for _, name := range names {
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if v := rt.Str(name); v != "" {
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return v
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}
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}
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return ""
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}
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// Bool returns the bool value of a flag.
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func (rt *RuntimeContext) Bool(name string) bool {
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v, _ := rt.cmd.Flags().GetBool(name)
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return v
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}
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// Int returns the int value of a flag.
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func (rt *RuntimeContext) Int(name string) int {
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v, _ := rt.cmd.Flags().GetInt(name)
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return v
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}
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// IntFirst returns the int value for a primary flag plus aliases. Explicitly set
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// aliases are considered before the primary's default, matching native helper
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// compatibility flags such as --size for --limit.
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func (rt *RuntimeContext) IntFirst(primary string, aliases ...string) int {
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for _, alias := range aliases {
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f := rt.cmd.Flags().Lookup(alias)
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if f != nil && f.Changed {
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return rt.Int(alias)
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}
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}
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return rt.Int(primary)
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}
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// StrSlice returns the string-slice value of a flag.
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func (rt *RuntimeContext) StrSlice(name string) []string {
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v, _ := rt.cmd.Flags().GetStringSlice(name)
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return v
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}
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// Changed reports whether the user explicitly set the flag on the command line.
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func (rt *RuntimeContext) Changed(name string) bool {
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f := rt.cmd.Flags().Lookup(name)
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return f != nil && f.Changed
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}
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// DryRun reports whether --dry-run is set (inherited from the root command).
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func (rt *RuntimeContext) DryRun() bool { return globalBool(rt.cmd, "dry-run") }
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// Yes reports whether --yes is set (skip confirmation prompts).
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func (rt *RuntimeContext) Yes() bool { return globalBool(rt.cmd, "yes") }
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// AddAIMessageTag attaches the clawType parameter expected by IM send APIs when
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// the shortcut exposes --ai-tag and the flag is true. This mirrors the native
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// `chat message send` behavior.
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func (rt *RuntimeContext) AddAIMessageTag(params map[string]any) map[string]any {
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if params == nil {
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params = map[string]any{}
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}
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if f := rt.cmd.Flags().Lookup("ai-tag"); f == nil || rt.Bool("ai-tag") {
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params["clawType"] = edition.ClawType()
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}
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return params
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}
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// CallMCP dispatches a single MCP tool call and prints the result, reusing the
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// shared helper path so the shortcut inherits DWS's error classification
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// (auth/PAT/business), dry-run preview and --format/--jq/--fields output for
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// free. The MCP server id is the shortcut's product (defaults to Service).
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//
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// Most passthrough shortcuts do all their work in one CallMCP call.
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func (rt *RuntimeContext) CallMCP(tool string, params map[string]any) error {
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if params == nil {
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params = map[string]any{}
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}
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return helpers.CallMCPToolOnServer(rt.shortcut.product(), tool, params)
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}
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// CallMCPData dispatches a read-only tool call to an explicit MCP product and
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// returns the PARSED response as data WITHOUT printing. This is the building
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// block for multi-step ("smart") shortcuts: call a tool, read its output, feed
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// it into the next call. Errors carry DWS's auth/PAT/business classification.
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//
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// The product is explicit (not the shortcut's own) because smart shortcuts
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// routinely cross services — e.g. resolve a name via `contact` then act via
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// `chat`. Reads run even under --dry-run so a preview can still resolve inputs.
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// Write tools that need parsed responses must use CallMCPWriteData instead; as
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// a backstop, obvious write-like tool names are rejected here under --dry-run.
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func (rt *RuntimeContext) CallMCPData(product, tool string, params map[string]any) (map[string]any, error) {
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if rt.DryRun() && looksWriteTool(tool) {
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return nil, dryRunWriteError(product, tool)
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}
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return rt.callMCPData(product, tool, params)
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}
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// CallMCPWriteData dispatches a write tool call and returns its parsed response.
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// Unlike CallMCPData, it refuses to run under --dry-run so smart shortcuts cannot
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// accidentally perform writes while rendering a preview.
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func (rt *RuntimeContext) CallMCPWriteData(product, tool string, params map[string]any) (map[string]any, error) {
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if rt.DryRun() {
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return nil, dryRunWriteError(product, tool)
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}
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return rt.callMCPData(product, tool, params)
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}
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func dryRunWriteError(product, tool string) error {
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return apperrors.NewValidation(fmt.Sprintf(
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"--dry-run 下禁止执行写操作 %s/%s；请在 shortcut 中输出 preview 后返回", product, tool))
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}
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func looksWriteTool(tool string) bool {
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tool = strings.TrimSpace(strings.ToLower(tool))
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for _, prefix := range []string{
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"add_", "append_", "approve_", "archive_", "cancel_", "create_",
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"delete_", "disable_", "enable_", "grant_", "import_", "insert_",
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"invite_", "move_", "publish_", "reject_", "remove_", "replace_",
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"respond", "revoke_", "send_", "set_", "submit_", "update_",
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"upload_", "write_",
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} {
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if strings.HasPrefix(tool, prefix) {
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return true
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}
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}
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return false
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}
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func (rt *RuntimeContext) callMCPData(product, tool string, params map[string]any) (map[string]any, error) {
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if params == nil {
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params = map[string]any{}
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}
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text, err := helpers.CallMCPToolTextOnServer(product, tool, params)
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if err != nil {
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return nil, err
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}
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if strings.TrimSpace(text) == "" {
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return map[string]any{}, nil
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}
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var out map[string]any
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if err := json.Unmarshal([]byte(text), &out); err != nil {
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return nil, apperrors.NewInternal(fmt.Sprintf("解析 %s 返回失败: %v", tool, err))
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}
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return out, nil
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}
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// Output prints a (typically reshaped/projected) payload honouring the root
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// --format/--jq/--fields flags. Multi-step shortcuts use it to emit a clean,
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// composed result instead of the raw MCP response — the output-projection
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// output-formatting capability.
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func (rt *RuntimeContext) Output(payload any) error {
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return output.WriteCommandPayload(rt.cmd, payload, output.FormatJSON)
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}
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// mount compiles a Shortcut into a cobra command.
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func mount(s Shortcut) *cobra.Command {
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cmd := &cobra.Command{
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Use: s.Command,
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Short: s.Description,
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Long: shortcutLongHelp(s),
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Hidden: s.Hidden,
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}
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if len(s.Tips) > 0 {
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cmd.Example = " " + strings.Join(s.Tips, "\n ")
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}
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registerFlags(cmd, s.Flags)
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cmd.RunE = func(c *cobra.Command, _ []string) error {
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rt := &RuntimeContext{cmd: c, shortcut: s}
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if err := validateFlags(rt, s); err != nil {
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return err
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}
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if err := validateConstraints(rt, s); err != nil {
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return err
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}
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if s.Validate != nil {
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if err := s.Validate(rt); err != nil {
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return err
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}
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}
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if !confirmRisk(rt, s) {
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return nil
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}
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if s.Execute == nil {
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return apperrors.NewInternal(fmt.Sprintf("shortcut %s %s 未实现 Execute", s.Service, s.Command))
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}
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return s.Execute(rt)
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}
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return cmd
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}
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// registerFlags declares each Flag on the command with its type/default/desc.
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func registerFlags(cmd *cobra.Command, flags []Flag) {
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for _, f := range flags {
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desc := flagHelp(f)
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switch f.Type {
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case FlagBool:
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cmd.Flags().Bool(f.Name, f.Default == "true", desc)
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case FlagInt:
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cmd.Flags().Int(f.Name, atoiDefault(f.Default), desc)
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case FlagStringSlice:
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cmd.Flags().StringSlice(f.Name, nil, desc)
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default: // FlagString and empty
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cmd.Flags().String(f.Name, f.Default, desc)
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}
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if f.Hidden {
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_ = cmd.Flags().MarkHidden(f.Name)
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}
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}
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}
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func flagHelp(f Flag) string {
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parts := make([]string, 0, 2)
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if f.Required && !strings.Contains(f.Desc, "必填") {
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parts = append(parts, "必填")
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}
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if len(f.Enum) > 0 {
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parts = append(parts, "可选值: "+strings.Join(f.Enum, ", "))
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}
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if len(parts) == 0 {
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return f.Desc
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}
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if strings.TrimSpace(f.Desc) == "" {
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return strings.Join(parts, "；")
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}
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return f.Desc + "（" + strings.Join(parts, "；") + "）"
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}
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func shortcutLongHelp(s Shortcut) string {
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long := strings.TrimSpace(s.Intent)
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if long == "" {
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long = strings.TrimSpace(s.Description)
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}
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if len(s.Constraints) == 0 {
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return long
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}
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lines := make([]string, 0, len(s.Constraints))
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for _, constraint := range s.Constraints {
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lines = append(lines, " - "+constraintHelp(constraint))
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}
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return long + "\n\n参数约束：\n" + strings.Join(lines, "\n")
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}
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func constraintHelp(constraint Constraint) string {
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if strings.TrimSpace(constraint.Description) != "" {
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return constraint.Description
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}
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switch constraint.Kind {
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case ConstraintAtLeastOne:
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return fmt.Sprintf("%s 至少指定一个", dashed(constraint.Flags))
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case ConstraintExactlyOne:
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return fmt.Sprintf("%s 必须且只能指定一个", dashed(constraint.Flags))
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case ConstraintMutuallyExclusive:
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return fmt.Sprintf("%s 互斥，最多指定一个", dashed(constraint.Flags))
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default:
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return fmt.Sprintf("%s 使用未识别的约束类型 %q", dashed(constraint.Flags), constraint.Kind)
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}
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}
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// validateFlags enforces the declarative Required and Enum constraints.
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func validateFlags(rt *RuntimeContext, s Shortcut) error {
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for _, f := range s.Flags {
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if f.Required && !rt.Changed(f.Name) {
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return apperrors.NewValidation(fmt.Sprintf("缺少必填参数 --%s：%s", f.Name, f.Desc))
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}
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if f.Required && rt.Changed(f.Name) {
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switch f.Type {
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case FlagStringSlice:
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if !hasNonEmptyString(rt.StrSlice(f.Name)) {
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return apperrors.NewValidation(fmt.Sprintf("必填参数 --%s 不能为空", f.Name))
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}
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case FlagString, "":
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if rt.Str(f.Name) == "" {
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return apperrors.NewValidation(fmt.Sprintf("必填参数 --%s 不能为空", f.Name))
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}
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}
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}
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if len(f.Enum) > 0 && rt.Changed(f.Name) {
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values := []string{rt.Str(f.Name)}
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if f.Type == FlagStringSlice {
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values = rt.StrSlice(f.Name)
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}
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for _, val := range values {
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val = strings.TrimSpace(val)
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if !contains(f.Enum, val) {
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return apperrors.NewValidation(fmt.Sprintf(
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"参数 --%s 取值 %q 不合法，允许值：%s", f.Name, val, strings.Join(f.Enum, ", ")))
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}
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}
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}
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}
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return nil
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}
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func hasNonEmptyString(values []string) bool {
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for _, value := range values {
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if strings.TrimSpace(value) != "" {
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return true
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}
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}
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return false
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}
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func validateConstraints(rt *RuntimeContext, s Shortcut) error {
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for _, constraint := range s.Constraints {
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if len(constraint.Flags) == 0 {
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return apperrors.NewInternal(fmt.Sprintf(
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"shortcut %s %s 的约束 %q 未声明参数", s.Service, s.Command, constraint.Kind))
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}
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switch constraint.Kind {
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case ConstraintAtLeastOne:
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if err := rt.AtLeastOne(constraint.Flags...); err != nil {
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return err
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}
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case ConstraintExactlyOne:
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if err := rt.ExactlyOne(constraint.Flags...); err != nil {
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return err
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}
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case ConstraintMutuallyExclusive:
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if err := rt.MutuallyExclusive(constraint.Flags...); err != nil {
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return err
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}
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case ConstraintCustom:
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if strings.TrimSpace(constraint.Description) == "" {
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return apperrors.NewInternal(fmt.Sprintf(
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"shortcut %s %s 的 custom 约束缺少描述", s.Service, s.Command))
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}
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default:
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return apperrors.NewInternal(fmt.Sprintf(
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"shortcut %s %s 使用未知约束类型 %q", s.Service, s.Command, constraint.Kind))
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}
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}
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return nil
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}
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// confirmRisk prompts before a write/high-risk-write shortcut unless --yes or
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// --dry-run is set. Read-only shortcuts never prompt. Returns false when the
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// user declines.
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func confirmRisk(rt *RuntimeContext, s Shortcut) bool {
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if s.risk() == RiskRead || rt.DryRun() || rt.Yes() {
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return true
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}
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fmt.Fprintf(rt.cmd.ErrOrStderr(), "即将执行 %s %s（%s），确认继续？(yes/no): ", s.Service, s.Command, s.risk())
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reader := bufio.NewReader(os.Stdin)
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answer, _ := reader.ReadString('\n')
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answer = strings.TrimSpace(strings.ToLower(answer))
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return answer == "yes" || answer == "y"
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}
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// globalBool reads a bool flag that may live on the command, inherited flags, or
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// the root's persistent flags (e.g. --dry-run/--yes injected at root).
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func globalBool(cmd *cobra.Command, name string) bool {
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if cmd == nil {
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return false
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}
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sets := []*pflag.FlagSet{cmd.Flags(), cmd.InheritedFlags()}
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if root := cmd.Root(); root != nil {
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sets = append(sets, root.PersistentFlags())
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}
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for _, set := range sets {
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if set == nil {
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continue
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}
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if f := set.Lookup(name); f != nil {
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if v, err := set.GetBool(name); err == nil {
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return v
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}
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}
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}
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return false
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}
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