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tea/modules/task/pull_create.go

156 lines
4.2 KiB
Go

// Copyright 2020 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package task
import (
"fmt"
"regexp"
"strings"
"code.gitea.io/sdk/gitea"
"code.gitea.io/tea/modules/config"
"code.gitea.io/tea/modules/context"
local_git "code.gitea.io/tea/modules/git"
"code.gitea.io/tea/modules/print"
"code.gitea.io/tea/modules/utils"
)
var (
spaceRegex = regexp.MustCompile(`[\s_-]+`)
noSpace = regexp.MustCompile(`^[^a-zA-Z\s]*`)
consecutive = regexp.MustCompile(`[\s]{2,}`)
)
// CreatePull creates a PR in the given repo and prints the result
func CreatePull(ctx *context.TeaContext, base, head string, allowMaintainerEdits bool, opts *gitea.CreateIssueOption) (err error) {
// default is default branch
if len(base) == 0 {
base, err = GetDefaultPRBase(ctx.Login, ctx.Owner, ctx.Repo)
if err != nil {
return err
}
}
// default is current one
if len(head) == 0 {
if ctx.LocalRepo == nil {
return fmt.Errorf("no local git repo detected, please specify head branch")
}
headOwner, headBranch, err := GetDefaultPRHead(ctx.LocalRepo)
if err != nil {
return err
}
head = GetHeadSpec(headOwner, headBranch, ctx.Owner)
}
// head & base may not be the same
if head == base {
return fmt.Errorf("can't create PR from %s to %s", head, base)
}
// default is head branch name
if len(opts.Title) == 0 {
opts.Title = GetDefaultPRTitle(head)
}
// title is required
if len(opts.Title) == 0 {
return fmt.Errorf("title is required")
}
client := ctx.Login.Client()
pr, _, err := client.CreatePullRequest(ctx.Owner, ctx.Repo, gitea.CreatePullRequestOption{
Head: head,
Base: base,
Title: opts.Title,
Body: opts.Body,
Assignees: opts.Assignees,
Labels: opts.Labels,
Milestone: opts.Milestone,
Deadline: opts.Deadline,
})
if err != nil {
return fmt.Errorf("could not create PR from %s to %s:%s: %s", head, ctx.Owner, base, err)
}
if pr.AllowMaintainerEdit != allowMaintainerEdits {
pr, _, err = client.EditPullRequest(ctx.Owner, ctx.Repo, pr.Index, gitea.EditPullRequestOption{
AllowMaintainerEdit: gitea.OptionalBool(allowMaintainerEdits),
})
if err != nil {
return fmt.Errorf("could not enable maintainer edit on pull: %v", err)
}
}
print.PullDetails(pr, nil, nil)
fmt.Println(pr.HTMLURL)
return err
}
// GetDefaultPRBase retrieves the default base branch for the given repo
func GetDefaultPRBase(login *config.Login, owner, repo string) (string, error) {
meta, _, err := login.Client().GetRepo(owner, repo)
if err != nil {
return "", fmt.Errorf("could not fetch repo meta: %s", err)
}
return meta.DefaultBranch, nil
}
// GetDefaultPRHead uses the currently checked out branch, tries to find a remote
// that has a branch with the same name, and extracts the owner from its URL.
// If no remote matches, owner is empty, meaning same as head repo owner.
func GetDefaultPRHead(localRepo *local_git.TeaRepo) (owner, branch string, err error) {
var sha string
if branch, sha, err = localRepo.TeaGetCurrentBranchNameAndSHA(); err != nil {
return
}
remote, err := localRepo.TeaFindBranchRemote(branch, sha)
if err != nil {
err = fmt.Errorf("could not determine remote for current branch: %s", err)
return
}
if remote == nil {
// if no remote branch is found for the local branch,
// we leave owner empty, meaning "use same repo as head" to gitea.
return
}
url, err := local_git.ParseURL(remote.Config().URLs[0])
if err != nil {
return
}
owner, _ = utils.GetOwnerAndRepo(url.Path, "")
return
}
// GetHeadSpec creates a head string as expected by gitea API
func GetHeadSpec(owner, branch, baseOwner string) string {
if len(owner) != 0 && owner != baseOwner {
return fmt.Sprintf("%s:%s", owner, branch)
}
return branch
}
// GetDefaultPRTitle transforms a string like a branchname to a readable text
func GetDefaultPRTitle(header string) string {
// Extract the part after the last colon in the input string
colonIndex := strings.LastIndex(header, ":")
if colonIndex != -1 {
header = header[colonIndex+1:]
}
title := noSpace.ReplaceAllString(header, "")
title = spaceRegex.ReplaceAllString(title, " ")
title = strings.TrimSpace(title)
title = strings.Title(strings.ToLower(title))
title = consecutive.ReplaceAllString(title, " ")
return title
}