mirror of https://github.com/harness/drone.git
83 lines
2.3 KiB
Go
83 lines
2.3 KiB
Go
// Copyright 2022 Harness Inc. All rights reserved.
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// Use of this source code is governed by the Polyform Free Trial License
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// that can be found in the LICENSE.md file for this repository.
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package repo
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import (
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"context"
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"fmt"
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"github.com/harness/gitness/gitrpc"
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apiauth "github.com/harness/gitness/internal/api/auth"
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"github.com/harness/gitness/internal/api/usererror"
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"github.com/harness/gitness/internal/auth"
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"github.com/harness/gitness/types/check"
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"github.com/harness/gitness/types/enum"
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)
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// CreateBranchInput used for branch creation apis.
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type CreateBranchInput struct {
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Name string `json:"name"`
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// Target is the commit (or points to the commit) the new branch will be pointing to.
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// If no target is provided, the branch points to the same commit as the default branch of the repo.
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Target *string `json:"target"`
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}
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// CreateBranch creates a new branch for a repo.
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func (c *Controller) CreateBranch(ctx context.Context, session *auth.Session,
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repoRef string, in *CreateBranchInput) (*Branch, error) {
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repo, err := c.repoStore.FindByRef(ctx, repoRef)
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if err != nil {
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return nil, err
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}
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if err = apiauth.CheckRepo(ctx, c.authorizer, session, repo, enum.PermissionRepoPush, false); err != nil {
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return nil, err
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}
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// set target to default branch in case no target was provided
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if in.Target == nil || *in.Target == "" {
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in.Target = &repo.DefaultBranch
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}
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err = checkBranchName(in.Name)
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if err != nil {
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return nil, fmt.Errorf("branch name failed check: %w", err)
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}
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writeParams, err := CreateRPCWriteParams(ctx, c.urlProvider, session, repo)
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if err != nil {
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return nil, fmt.Errorf("failed to create RPC write params: %w", err)
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}
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rpcOut, err := c.gitRPCClient.CreateBranch(ctx, &gitrpc.CreateBranchParams{
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WriteParams: writeParams,
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BranchName: in.Name,
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Target: *in.Target,
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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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branch, err := mapBranch(rpcOut.Branch)
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if err != nil {
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return nil, fmt.Errorf("failed to map branch: %w", err)
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}
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return &branch, nil
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}
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// checkBranchName does some basic branch validation
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// We only ensure there are no control characters, the rest is up to git.
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// TODO: Do we need some more validation here?
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func checkBranchName(name string) error {
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// fail fast on missing name
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if len(name) == 0 {
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return usererror.ErrBadRequest
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}
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return check.ForControlCharacters(name)
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}
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