4274b48ea5
Shared LRU avoids repeated Gitea calls for default-branch resolution; the simple stdlib map alternative would race on concurrent access without a mutex per entry, which is more code than the LRU.
108 lines
2.7 KiB
Go
108 lines
2.7 KiB
Go
package tools
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import (
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"context"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"gitea.d-ma.be/mathias/gitea-mcp/internal/allowlist"
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"gitea.d-ma.be/mathias/gitea-mcp/internal/gitea"
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"gitea.d-ma.be/mathias/gitea-mcp/internal/registry"
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)
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type FileWriteBranch struct {
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c *gitea.Client
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a *allowlist.Allowlist
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}
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func NewFileWriteBranch(c *gitea.Client, a *allowlist.Allowlist) *FileWriteBranch {
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return &FileWriteBranch{c: c, a: a}
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}
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func (t *FileWriteBranch) Descriptor() registry.ToolDescriptor {
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return registry.ToolDescriptor{
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Name: "file_write_branch",
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Description: "Create or update a file on a feature branch. Branch is created from base if it doesn't exist.",
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InputSchema: json.RawMessage(`{
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"type":"object",
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"properties":{
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"owner":{"type":"string"},
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"name":{"type":"string"},
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"path":{"type":"string"},
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"content":{"type":"string"},
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"branch":{"type":"string"},
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"base":{"type":"string"},
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"message":{"type":"string"},
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"sha":{"type":"string"}
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},
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"required":["owner","name","path","content","branch","message"]
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}`),
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}
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}
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type fileWriteBranchArgs struct {
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Owner string `json:"owner"`
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Name string `json:"name"`
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Path string `json:"path"`
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Content string `json:"content"`
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Branch string `json:"branch"`
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Base string `json:"base"`
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Message string `json:"message"`
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Sha string `json:"sha"`
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}
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func (t *FileWriteBranch) Call(ctx context.Context, raw json.RawMessage) (json.RawMessage, error) {
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var args fileWriteBranchArgs
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if err := parseArgs(raw, &args); err != nil {
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return nil, err
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}
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if err := t.a.Check(args.Owner); err != nil {
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return nil, err
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}
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if args.Branch == "" {
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return nil, fmt.Errorf("branch is required: %w", gitea.ErrValidation)
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}
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if args.Message == "" {
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return nil, fmt.Errorf("message is required: %w", gitea.ErrValidation)
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}
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// Resolve base default if branch needs to be created
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exists, err := t.c.BranchExists(ctx, args.Owner, args.Name, args.Branch)
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if err != nil {
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return nil, err
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}
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if !exists {
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base := args.Base
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if base == "" {
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var err error
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base, err = t.c.DefaultBranch(ctx, args.Owner, args.Name)
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if err != nil {
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return nil, err
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}
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}
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if err := t.c.CreateBranch(ctx, args.Owner, args.Name, args.Branch, base); err != nil {
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return nil, err
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}
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}
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encoded := base64.StdEncoding.EncodeToString([]byte(args.Content))
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result, err := t.c.UpsertFile(ctx, args.Owner, args.Name, args.Path, gitea.UpsertFileArgs{
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Branch: args.Branch,
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Content: encoded,
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Message: args.Message,
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Sha: args.Sha,
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})
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if err != nil {
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return nil, err
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}
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return textOK(map[string]any{
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"path": result.Content.Path,
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"sha": result.Content.Sha,
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"branch": args.Branch,
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"commit_sha": result.Commit.Sha,
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"html_url": result.Content.HTMLURL,
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})
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}
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