134 lines
3.6 KiB
Go
134 lines
3.6 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package task
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import (
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"fmt"
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"strings"
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"code.gitea.io/sdk/gitea"
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"code.gitea.io/tea/modules/config"
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"code.gitea.io/tea/modules/context"
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local_git "code.gitea.io/tea/modules/git"
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"code.gitea.io/tea/modules/print"
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"code.gitea.io/tea/modules/utils"
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)
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// CreatePull creates a PR in the given repo and prints the result
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func CreatePull(ctx *context.TeaContext, base, head string, opts *gitea.CreateIssueOption) (err error) {
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// default is default branch
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if len(base) == 0 {
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base, err = GetDefaultPRBase(ctx.Login, ctx.Owner, ctx.Repo)
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if err != nil {
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return err
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}
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}
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// default is current one
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if len(head) == 0 {
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if ctx.LocalRepo == nil {
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return fmt.Errorf("no local git repo detected, please specify head branch")
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}
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headOwner, headBranch, err := GetDefaultPRHead(ctx.LocalRepo)
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if err != nil {
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return err
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}
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head = GetHeadSpec(headOwner, headBranch, ctx.Owner)
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}
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// head & base may not be the same
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if head == base {
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return fmt.Errorf("can't create PR from %s to %s", head, base)
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}
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// default is head branch name
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if len(opts.Title) == 0 {
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opts.Title = GetDefaultPRTitle(head)
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}
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// title is required
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if len(opts.Title) == 0 {
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return fmt.Errorf("title is required")
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}
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pr, _, err := ctx.Login.Client().CreatePullRequest(ctx.Owner, ctx.Repo, gitea.CreatePullRequestOption{
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Head: head,
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Base: base,
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Title: opts.Title,
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Body: opts.Body,
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Assignees: opts.Assignees,
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Labels: opts.Labels,
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Milestone: opts.Milestone,
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Deadline: opts.Deadline,
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})
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if err != nil {
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return fmt.Errorf("could not create PR from %s to %s:%s: %s", head, ctx.Owner, base, err)
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}
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print.PullDetails(pr, nil, nil)
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fmt.Println(pr.HTMLURL)
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return err
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}
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// GetDefaultPRBase retrieves the default base branch for the given repo
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func GetDefaultPRBase(login *config.Login, owner, repo string) (string, error) {
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meta, _, err := login.Client().GetRepo(owner, repo)
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if err != nil {
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return "", fmt.Errorf("could not fetch repo meta: %s", err)
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}
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return meta.DefaultBranch, nil
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}
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// GetDefaultPRHead uses the currently checked out branch, tries to find a remote
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// that has a branch with the same name, and extracts the owner from its URL.
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// If no remote matches, owner is empty, meaning same as head repo owner.
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func GetDefaultPRHead(localRepo *local_git.TeaRepo) (owner, branch string, err error) {
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if branch, err = localRepo.TeaGetCurrentBranchName(); err != nil {
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return
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}
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remote, err := localRepo.TeaFindBranchRemote(branch, "")
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if err != nil {
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err = fmt.Errorf("could not determine remote for current branch: %s", err)
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return
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}
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if remote == nil {
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// if no remote branch is found for the local branch,
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// we leave owner empty, meaning "use same repo as head" to gitea.
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return
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}
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url, err := local_git.ParseURL(remote.Config().URLs[0])
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if err != nil {
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return
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}
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owner, _ = utils.GetOwnerAndRepo(url.Path, "")
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return
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}
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// GetHeadSpec creates a head string as expected by gitea API
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func GetHeadSpec(owner, branch, baseOwner string) string {
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if len(owner) != 0 && owner != baseOwner {
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return fmt.Sprintf("%s:%s", owner, branch)
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}
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return branch
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}
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// GetDefaultPRTitle transforms a string like a branchname to a readable text
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func GetDefaultPRTitle(head string) string {
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title := head
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if strings.Contains(title, ":") {
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title = strings.SplitN(title, ":", 2)[1]
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}
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title = strings.Replace(title, "-", " ", -1)
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title = strings.Replace(title, "_", " ", -1)
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title = strings.Title(strings.ToLower(title))
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return title
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}
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