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pull.go
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// Copyright 2016 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package repo
import (
"errors"
"fmt"
"math"
"net/http"
"strconv"
"strings"
"time"
"code.gitea.io/gitea/models"
activities_model "code.gitea.io/gitea/models/activities"
git_model "code.gitea.io/gitea/models/git"
issues_model "code.gitea.io/gitea/models/issues"
access_model "code.gitea.io/gitea/models/perm/access"
pull_model "code.gitea.io/gitea/models/pull"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/models/unit"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/notification"
"code.gitea.io/gitea/modules/setting"
api "code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/web"
"code.gitea.io/gitea/routers/api/v1/utils"
asymkey_service "code.gitea.io/gitea/services/asymkey"
"code.gitea.io/gitea/services/automerge"
"code.gitea.io/gitea/services/convert"
"code.gitea.io/gitea/services/forms"
"code.gitea.io/gitea/services/gitdiff"
issue_service "code.gitea.io/gitea/services/issue"
pull_service "code.gitea.io/gitea/services/pull"
repo_service "code.gitea.io/gitea/services/repository"
)
// ListPullRequests returns a list of all PRs
func ListPullRequests(ctx *context.APIContext) {
// swagger:operation GET /repos/{owner}/{repo}/pulls repository repoListPullRequests
// ---
// summary: List a repo's pull requests
// produces:
// - application/json
// parameters:
// - name: owner
// in: path
// description: owner of the repo
// type: string
// required: true
// - name: repo
// in: path
// description: name of the repo
// type: string
// required: true
// - name: state
// in: query
// description: "State of pull request: open or closed (optional)"
// type: string
// enum: [closed, open, all]
// - name: sort
// in: query
// description: "Type of sort"
// type: string
// enum: [oldest, recentupdate, leastupdate, mostcomment, leastcomment, priority]
// - name: milestone
// in: query
// description: "ID of the milestone"
// type: integer
// format: int64
// - name: labels
// in: query
// description: "Label IDs"
// type: array
// collectionFormat: multi
// items:
// type: integer
// format: int64
// - name: page
// in: query
// description: page number of results to return (1-based)
// type: integer
// - name: limit
// in: query
// description: page size of results
// type: integer
// responses:
// "200":
// "$ref": "#/responses/PullRequestList"
listOptions := utils.GetListOptions(ctx)
prs, maxResults, err := issues_model.PullRequests(ctx.Repo.Repository.ID, &issues_model.PullRequestsOptions{
ListOptions: listOptions,
State: ctx.FormTrim("state"),
SortType: ctx.FormTrim("sort"),
Labels: ctx.FormStrings("labels"),
MilestoneID: ctx.FormInt64("milestone"),
})
if err != nil {
ctx.Error(http.StatusInternalServerError, "PullRequests", err)
return
}
apiPrs := make([]*api.PullRequest, len(prs))
for i := range prs {
if err = prs[i].LoadIssue(ctx); err != nil {
ctx.Error(http.StatusInternalServerError, "LoadIssue", err)
return
}
if err = prs[i].LoadAttributes(ctx); err != nil {
ctx.Error(http.StatusInternalServerError, "LoadAttributes", err)
return
}
if err = prs[i].LoadBaseRepo(ctx); err != nil {
ctx.Error(http.StatusInternalServerError, "LoadBaseRepo", err)
return
}
if err = prs[i].LoadHeadRepo(ctx); err != nil {
ctx.Error(http.StatusInternalServerError, "LoadHeadRepo", err)
return
}
apiPrs[i] = convert.ToAPIPullRequest(ctx, prs[i], ctx.Doer)
}
ctx.SetLinkHeader(int(maxResults), listOptions.PageSize)
ctx.SetTotalCountHeader(maxResults)
ctx.JSON(http.StatusOK, &apiPrs)
}
// GetPullRequest returns a single PR based on index
func GetPullRequest(ctx *context.APIContext) {
// swagger:operation GET /repos/{owner}/{repo}/pulls/{index} repository repoGetPullRequest
// ---
// summary: Get a pull request
// produces:
// - application/json
// parameters:
// - name: owner
// in: path
// description: owner of the repo
// type: string
// required: true
// - name: repo
// in: path
// description: name of the repo
// type: string
// required: true
// - name: index
// in: path
// description: index of the pull request to get
// type: integer
// format: int64
// required: true
// responses:
// "200":
// "$ref": "#/responses/PullRequest"
// "404":
// "$ref": "#/responses/notFound"
pr, err := issues_model.GetPullRequestByIndex(ctx, ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
if err != nil {
if issues_model.IsErrPullRequestNotExist(err) {
ctx.NotFound()
} else {
ctx.Error(http.StatusInternalServerError, "GetPullRequestByIndex", err)
}
return
}
if err = pr.LoadBaseRepo(ctx); err != nil {
ctx.Error(http.StatusInternalServerError, "LoadBaseRepo", err)
return
}
if err = pr.LoadHeadRepo(ctx); err != nil {
ctx.Error(http.StatusInternalServerError, "LoadHeadRepo", err)
return
}
ctx.JSON(http.StatusOK, convert.ToAPIPullRequest(ctx, pr, ctx.Doer))
}
// DownloadPullDiffOrPatch render a pull's raw diff or patch
func DownloadPullDiffOrPatch(ctx *context.APIContext) {
// swagger:operation GET /repos/{owner}/{repo}/pulls/{index}.{diffType} repository repoDownloadPullDiffOrPatch
// ---
// summary: Get a pull request diff or patch
// produces:
// - text/plain
// parameters:
// - name: owner
// in: path
// description: owner of the repo
// type: string
// required: true
// - name: repo
// in: path
// description: name of the repo
// type: string
// required: true
// - name: index
// in: path
// description: index of the pull request to get
// type: integer
// format: int64
// required: true
// - name: diffType
// in: path
// description: whether the output is diff or patch
// type: string
// enum: [diff, patch]
// required: true
// - name: binary
// in: query
// description: whether to include binary file changes. if true, the diff is applicable with `git apply`
// type: boolean
// responses:
// "200":
// "$ref": "#/responses/string"
// "404":
// "$ref": "#/responses/notFound"
pr, err := issues_model.GetPullRequestByIndex(ctx, ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
if err != nil {
if issues_model.IsErrPullRequestNotExist(err) {
ctx.NotFound()
} else {
ctx.InternalServerError(err)
}
return
}
var patch bool
if ctx.Params(":diffType") == "diff" {
patch = false
} else {
patch = true
}
binary := ctx.FormBool("binary")
if err := pull_service.DownloadDiffOrPatch(ctx, pr, ctx, patch, binary); err != nil {
ctx.InternalServerError(err)
return
}
}
// CreatePullRequest does what it says
func CreatePullRequest(ctx *context.APIContext) {
// swagger:operation POST /repos/{owner}/{repo}/pulls repository repoCreatePullRequest
// ---
// summary: Create a pull request
// consumes:
// - application/json
// produces:
// - application/json
// parameters:
// - name: owner
// in: path
// description: owner of the repo
// type: string
// required: true
// - name: repo
// in: path
// description: name of the repo
// type: string
// required: true
// - name: body
// in: body
// schema:
// "$ref": "#/definitions/CreatePullRequestOption"
// responses:
// "201":
// "$ref": "#/responses/PullRequest"
// "409":
// "$ref": "#/responses/error"
// "422":
// "$ref": "#/responses/validationError"
form := *web.GetForm(ctx).(*api.CreatePullRequestOption)
if form.Head == form.Base {
ctx.Error(http.StatusUnprocessableEntity, "BaseHeadSame",
"Invalid PullRequest: There are no changes between the head and the base")
return
}
var (
repo = ctx.Repo.Repository
labelIDs []int64
milestoneID int64
)
// Get repo/branch information
_, headRepo, headGitRepo, compareInfo, baseBranch, headBranch := parseCompareInfo(ctx, form)
if ctx.Written() {
return
}
defer headGitRepo.Close()
// Check if another PR exists with the same targets
existingPr, err := issues_model.GetUnmergedPullRequest(ctx, headRepo.ID, ctx.Repo.Repository.ID, headBranch, baseBranch, issues_model.PullRequestFlowGithub)
if err != nil {
if !issues_model.IsErrPullRequestNotExist(err) {
ctx.Error(http.StatusInternalServerError, "GetUnmergedPullRequest", err)
return
}
} else {
err = issues_model.ErrPullRequestAlreadyExists{
ID: existingPr.ID,
IssueID: existingPr.Index,
HeadRepoID: existingPr.HeadRepoID,
BaseRepoID: existingPr.BaseRepoID,
HeadBranch: existingPr.HeadBranch,
BaseBranch: existingPr.BaseBranch,
}
ctx.Error(http.StatusConflict, "GetUnmergedPullRequest", err)
return
}
if len(form.Labels) > 0 {
labels, err := issues_model.GetLabelsInRepoByIDs(ctx, ctx.Repo.Repository.ID, form.Labels)
if err != nil {
ctx.Error(http.StatusInternalServerError, "GetLabelsInRepoByIDs", err)
return
}
labelIDs = make([]int64, len(form.Labels))
orgLabelIDs := make([]int64, len(form.Labels))
for i := range labels {
labelIDs[i] = labels[i].ID
}
if ctx.Repo.Owner.IsOrganization() {
orgLabels, err := issues_model.GetLabelsInOrgByIDs(ctx, ctx.Repo.Owner.ID, form.Labels)
if err != nil {
ctx.Error(http.StatusInternalServerError, "GetLabelsInOrgByIDs", err)
return
}
for i := range orgLabels {
orgLabelIDs[i] = orgLabels[i].ID
}
}
labelIDs = append(labelIDs, orgLabelIDs...)
}
if form.Milestone > 0 {
milestone, err := issues_model.GetMilestoneByRepoID(ctx, ctx.Repo.Repository.ID, form.Milestone)
if err != nil {
if issues_model.IsErrMilestoneNotExist(err) {
ctx.NotFound()
} else {
ctx.Error(http.StatusInternalServerError, "GetMilestoneByRepoID", err)
}
return
}
milestoneID = milestone.ID
}
var deadlineUnix timeutil.TimeStamp
if form.Deadline != nil {
deadlineUnix = timeutil.TimeStamp(form.Deadline.Unix())
}
prIssue := &issues_model.Issue{
RepoID: repo.ID,
Title: form.Title,
PosterID: ctx.Doer.ID,
Poster: ctx.Doer,
MilestoneID: milestoneID,
IsPull: true,
Content: form.Body,
DeadlineUnix: deadlineUnix,
}
pr := &issues_model.PullRequest{
HeadRepoID: headRepo.ID,
BaseRepoID: repo.ID,
HeadBranch: headBranch,
BaseBranch: baseBranch,
HeadRepo: headRepo,
BaseRepo: repo,
MergeBase: compareInfo.MergeBase,
Type: issues_model.PullRequestGitea,
}
// Get all assignee IDs
assigneeIDs, err := issues_model.MakeIDsFromAPIAssigneesToAdd(ctx, form.Assignee, form.Assignees)
if err != nil {
if user_model.IsErrUserNotExist(err) {
ctx.Error(http.StatusUnprocessableEntity, "", fmt.Sprintf("Assignee does not exist: [name: %s]", err))
} else {
ctx.Error(http.StatusInternalServerError, "AddAssigneeByName", err)
}
return
}
// Check if the passed assignees is assignable
for _, aID := range assigneeIDs {
assignee, err := user_model.GetUserByID(ctx, aID)
if err != nil {
ctx.Error(http.StatusInternalServerError, "GetUserByID", err)
return
}
valid, err := access_model.CanBeAssigned(ctx, assignee, repo, true)
if err != nil {
ctx.Error(http.StatusInternalServerError, "canBeAssigned", err)
return
}
if !valid {
ctx.Error(http.StatusUnprocessableEntity, "canBeAssigned", repo_model.ErrUserDoesNotHaveAccessToRepo{UserID: aID, RepoName: repo.Name})
return
}
}
if err := pull_service.NewPullRequest(ctx, repo, prIssue, labelIDs, []string{}, pr, assigneeIDs); err != nil {
if repo_model.IsErrUserDoesNotHaveAccessToRepo(err) {
ctx.Error(http.StatusBadRequest, "UserDoesNotHaveAccessToRepo", err)
return
}
ctx.Error(http.StatusInternalServerError, "NewPullRequest", err)
return
}
log.Trace("Pull request created: %d/%d", repo.ID, prIssue.ID)
ctx.JSON(http.StatusCreated, convert.ToAPIPullRequest(ctx, pr, ctx.Doer))
}
// EditPullRequest does what it says
func EditPullRequest(ctx *context.APIContext) {
// swagger:operation PATCH /repos/{owner}/{repo}/pulls/{index} repository repoEditPullRequest
// ---
// summary: Update a pull request. If using deadline only the date will be taken into account, and time of day ignored.
// consumes:
// - application/json
// produces:
// - application/json
// parameters:
// - name: owner
// in: path
// description: owner of the repo
// type: string
// required: true
// - name: repo
// in: path
// description: name of the repo
// type: string
// required: true
// - name: index
// in: path
// description: index of the pull request to edit
// type: integer
// format: int64
// required: true
// - name: body
// in: body
// schema:
// "$ref": "#/definitions/EditPullRequestOption"
// responses:
// "201":
// "$ref": "#/responses/PullRequest"
// "403":
// "$ref": "#/responses/forbidden"
// "409":
// "$ref": "#/responses/error"
// "412":
// "$ref": "#/responses/error"
// "422":
// "$ref": "#/responses/validationError"
form := web.GetForm(ctx).(*api.EditPullRequestOption)
pr, err := issues_model.GetPullRequestByIndex(ctx, ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
if err != nil {
if issues_model.IsErrPullRequestNotExist(err) {
ctx.NotFound()
} else {
ctx.Error(http.StatusInternalServerError, "GetPullRequestByIndex", err)
}
return
}
err = pr.LoadIssue(ctx)
if err != nil {
ctx.Error(http.StatusInternalServerError, "LoadIssue", err)
return
}
issue := pr.Issue
issue.Repo = ctx.Repo.Repository
if err := issue.LoadAttributes(ctx); err != nil {
ctx.Error(http.StatusInternalServerError, "LoadAttributes", err)
return
}
if !issue.IsPoster(ctx.Doer.ID) && !ctx.Repo.CanWrite(unit.TypePullRequests) {
ctx.Status(http.StatusForbidden)
return
}
oldTitle := issue.Title
if len(form.Title) > 0 {
issue.Title = form.Title
}
if len(form.Body) > 0 {
issue.Content = form.Body
}
// Update or remove deadline if set
if form.Deadline != nil || form.RemoveDeadline != nil {
var deadlineUnix timeutil.TimeStamp
if (form.RemoveDeadline == nil || !*form.RemoveDeadline) && !form.Deadline.IsZero() {
deadline := time.Date(form.Deadline.Year(), form.Deadline.Month(), form.Deadline.Day(),
23, 59, 59, 0, form.Deadline.Location())
deadlineUnix = timeutil.TimeStamp(deadline.Unix())
}
if err := issues_model.UpdateIssueDeadline(issue, deadlineUnix, ctx.Doer); err != nil {
ctx.Error(http.StatusInternalServerError, "UpdateIssueDeadline", err)
return
}
issue.DeadlineUnix = deadlineUnix
}
// Add/delete assignees
// Deleting is done the GitHub way (quote from their api documentation):
// https://developer.github.com/v3/issues/#edit-an-issue
// "assignees" (array): Logins for Users to assign to this issue.
// Pass one or more user logins to replace the set of assignees on this Issue.
// Send an empty array ([]) to clear all assignees from the Issue.
if ctx.Repo.CanWrite(unit.TypePullRequests) && (form.Assignees != nil || len(form.Assignee) > 0) {
err = issue_service.UpdateAssignees(issue, form.Assignee, form.Assignees, ctx.Doer)
if err != nil {
if user_model.IsErrUserNotExist(err) {
ctx.Error(http.StatusUnprocessableEntity, "", fmt.Sprintf("Assignee does not exist: [name: %s]", err))
} else {
ctx.Error(http.StatusInternalServerError, "UpdateAssignees", err)
}
return
}
}
if ctx.Repo.CanWrite(unit.TypePullRequests) && form.Milestone != 0 &&
issue.MilestoneID != form.Milestone {
oldMilestoneID := issue.MilestoneID
issue.MilestoneID = form.Milestone
if err = issue_service.ChangeMilestoneAssign(issue, ctx.Doer, oldMilestoneID); err != nil {
ctx.Error(http.StatusInternalServerError, "ChangeMilestoneAssign", err)
return
}
}
if ctx.Repo.CanWrite(unit.TypePullRequests) && form.Labels != nil {
labels, err := issues_model.GetLabelsInRepoByIDs(ctx, ctx.Repo.Repository.ID, form.Labels)
if err != nil {
ctx.Error(http.StatusInternalServerError, "GetLabelsInRepoByIDsError", err)
return
}
if ctx.Repo.Owner.IsOrganization() {
orgLabels, err := issues_model.GetLabelsInOrgByIDs(ctx, ctx.Repo.Owner.ID, form.Labels)
if err != nil {
ctx.Error(http.StatusInternalServerError, "GetLabelsInOrgByIDs", err)
return
}
labels = append(labels, orgLabels...)
}
if err = issues_model.ReplaceIssueLabels(issue, labels, ctx.Doer); err != nil {
ctx.Error(http.StatusInternalServerError, "ReplaceLabelsError", err)
return
}
}
if form.State != nil {
if pr.HasMerged {
ctx.Error(http.StatusPreconditionFailed, "MergedPRState", "cannot change state of this pull request, it was already merged")
return
}
issue.IsClosed = api.StateClosed == api.StateType(*form.State)
}
statusChangeComment, titleChanged, err := issues_model.UpdateIssueByAPI(issue, ctx.Doer)
if err != nil {
if issues_model.IsErrDependenciesLeft(err) {
ctx.Error(http.StatusPreconditionFailed, "DependenciesLeft", "cannot close this pull request because it still has open dependencies")
return
}
ctx.Error(http.StatusInternalServerError, "UpdateIssueByAPI", err)
return
}
if titleChanged {
notification.NotifyIssueChangeTitle(ctx, ctx.Doer, issue, oldTitle)
}
if statusChangeComment != nil {
notification.NotifyIssueChangeStatus(ctx, ctx.Doer, "", issue, statusChangeComment, issue.IsClosed)
}
// change pull target branch
if !pr.HasMerged && len(form.Base) != 0 && form.Base != pr.BaseBranch {
if !ctx.Repo.GitRepo.IsBranchExist(form.Base) {
ctx.Error(http.StatusNotFound, "NewBaseBranchNotExist", fmt.Errorf("new base '%s' not exist", form.Base))
return
}
if err := pull_service.ChangeTargetBranch(ctx, pr, ctx.Doer, form.Base); err != nil {
if issues_model.IsErrPullRequestAlreadyExists(err) {
ctx.Error(http.StatusConflict, "IsErrPullRequestAlreadyExists", err)
return
} else if issues_model.IsErrIssueIsClosed(err) {
ctx.Error(http.StatusUnprocessableEntity, "IsErrIssueIsClosed", err)
return
} else if models.IsErrPullRequestHasMerged(err) {
ctx.Error(http.StatusConflict, "IsErrPullRequestHasMerged", err)
return
} else {
ctx.InternalServerError(err)
}
return
}
notification.NotifyPullRequestChangeTargetBranch(ctx, ctx.Doer, pr, form.Base)
}
// update allow edits
if form.AllowMaintainerEdit != nil {
if err := pull_service.SetAllowEdits(ctx, ctx.Doer, pr, *form.AllowMaintainerEdit); err != nil {
if errors.Is(pull_service.ErrUserHasNoPermissionForAction, err) {
ctx.Error(http.StatusForbidden, "SetAllowEdits", fmt.Sprintf("SetAllowEdits: %s", err))
return
}
ctx.ServerError("SetAllowEdits", err)
return
}
}
// Refetch from database
pr, err = issues_model.GetPullRequestByIndex(ctx, ctx.Repo.Repository.ID, pr.Index)
if err != nil {
if issues_model.IsErrPullRequestNotExist(err) {
ctx.NotFound()
} else {
ctx.Error(http.StatusInternalServerError, "GetPullRequestByIndex", err)
}
return
}
// TODO this should be 200, not 201
ctx.JSON(http.StatusCreated, convert.ToAPIPullRequest(ctx, pr, ctx.Doer))
}
// IsPullRequestMerged checks if a PR exists given an index
func IsPullRequestMerged(ctx *context.APIContext) {
// swagger:operation GET /repos/{owner}/{repo}/pulls/{index}/merge repository repoPullRequestIsMerged
// ---
// summary: Check if a pull request has been merged
// produces:
// - application/json
// parameters:
// - name: owner
// in: path
// description: owner of the repo
// type: string
// required: true
// - name: repo
// in: path
// description: name of the repo
// type: string
// required: true
// - name: index
// in: path
// description: index of the pull request
// type: integer
// format: int64
// required: true
// responses:
// "204":
// description: pull request has been merged
// "404":
// description: pull request has not been merged
pr, err := issues_model.GetPullRequestByIndex(ctx, ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
if err != nil {
if issues_model.IsErrPullRequestNotExist(err) {
ctx.NotFound()
} else {
ctx.Error(http.StatusInternalServerError, "GetPullRequestByIndex", err)
}
return
}
if pr.HasMerged {
ctx.Status(http.StatusNoContent)
}
ctx.NotFound()
}
// MergePullRequest merges a PR given an index
func MergePullRequest(ctx *context.APIContext) {
// swagger:operation POST /repos/{owner}/{repo}/pulls/{index}/merge repository repoMergePullRequest
// ---
// summary: Merge a pull request
// produces:
// - application/json
// parameters:
// - name: owner
// in: path
// description: owner of the repo
// type: string
// required: true
// - name: repo
// in: path
// description: name of the repo
// type: string
// required: true
// - name: index
// in: path
// description: index of the pull request to merge
// type: integer
// format: int64
// required: true
// - name: body
// in: body
// schema:
// $ref: "#/definitions/MergePullRequestOption"
// responses:
// "200":
// "$ref": "#/responses/empty"
// "405":
// "$ref": "#/responses/empty"
// "409":
// "$ref": "#/responses/error"
form := web.GetForm(ctx).(*forms.MergePullRequestForm)
pr, err := issues_model.GetPullRequestByIndex(ctx, ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
if err != nil {
if issues_model.IsErrPullRequestNotExist(err) {
ctx.NotFound("GetPullRequestByIndex", err)
} else {
ctx.Error(http.StatusInternalServerError, "GetPullRequestByIndex", err)
}
return
}
if err := pr.LoadHeadRepo(ctx); err != nil {
ctx.Error(http.StatusInternalServerError, "LoadHeadRepo", err)
return
}
if err := pr.LoadIssue(ctx); err != nil {
ctx.Error(http.StatusInternalServerError, "LoadIssue", err)
return
}
pr.Issue.Repo = ctx.Repo.Repository
if ctx.IsSigned {
// Update issue-user.
if err = activities_model.SetIssueReadBy(ctx, pr.Issue.ID, ctx.Doer.ID); err != nil {
ctx.Error(http.StatusInternalServerError, "ReadBy", err)
return
}
}
manuallMerge := repo_model.MergeStyle(form.Do) == repo_model.MergeStyleManuallyMerged
force := form.ForceMerge != nil && *form.ForceMerge
// start with merging by checking
if err := pull_service.CheckPullMergable(ctx, ctx.Doer, &ctx.Repo.Permission, pr, manuallMerge, force); err != nil {
if errors.Is(err, pull_service.ErrIsClosed) {
ctx.NotFound()
} else if errors.Is(err, pull_service.ErrUserNotAllowedToMerge) {
ctx.Error(http.StatusMethodNotAllowed, "Merge", "User not allowed to merge PR")
} else if errors.Is(err, pull_service.ErrHasMerged) {
ctx.Error(http.StatusMethodNotAllowed, "PR already merged", "")
} else if errors.Is(err, pull_service.ErrIsWorkInProgress) {
ctx.Error(http.StatusMethodNotAllowed, "PR is a work in progress", "Work in progress PRs cannot be merged")
} else if errors.Is(err, pull_service.ErrNotMergableState) {
ctx.Error(http.StatusMethodNotAllowed, "PR not in mergeable state", "Please try again later")
} else if models.IsErrDisallowedToMerge(err) {
ctx.Error(http.StatusMethodNotAllowed, "PR is not ready to be merged", err)
} else if asymkey_service.IsErrWontSign(err) {
ctx.Error(http.StatusMethodNotAllowed, fmt.Sprintf("Protected branch %s requires signed commits but this merge would not be signed", pr.BaseBranch), err)
} else {
ctx.InternalServerError(err)
}
return
}
// handle manually-merged mark
if manuallMerge {
if err := pull_service.MergedManually(pr, ctx.Doer, ctx.Repo.GitRepo, form.MergeCommitID); err != nil {
if models.IsErrInvalidMergeStyle(err) {
ctx.Error(http.StatusMethodNotAllowed, "Invalid merge style", fmt.Errorf("%s is not allowed an allowed merge style for this repository", repo_model.MergeStyle(form.Do)))
return
}
if strings.Contains(err.Error(), "Wrong commit ID") {
ctx.JSON(http.StatusConflict, err)
return
}
ctx.Error(http.StatusInternalServerError, "Manually-Merged", err)
return
}
ctx.Status(http.StatusOK)
return
}
if len(form.Do) == 0 {
form.Do = string(repo_model.MergeStyleMerge)
}
message := strings.TrimSpace(form.MergeTitleField)
if len(message) == 0 {
message, _, err = pull_service.GetDefaultMergeMessage(ctx, ctx.Repo.GitRepo, pr, repo_model.MergeStyle(form.Do))
if err != nil {
ctx.Error(http.StatusInternalServerError, "GetDefaultMergeMessage", err)
return
}
}
form.MergeMessageField = strings.TrimSpace(form.MergeMessageField)
if len(form.MergeMessageField) > 0 {
message += "\n\n" + form.MergeMessageField
}
if form.MergeWhenChecksSucceed {
scheduled, err := automerge.ScheduleAutoMerge(ctx, ctx.Doer, pr, repo_model.MergeStyle(form.Do), message)
if err != nil {
if pull_model.IsErrAlreadyScheduledToAutoMerge(err) {
ctx.Error(http.StatusConflict, "ScheduleAutoMerge", err)
return
}
ctx.Error(http.StatusInternalServerError, "ScheduleAutoMerge", err)
return
} else if scheduled {
// nothing more to do ...
ctx.Status(http.StatusCreated)
return
}
}
if err := pull_service.Merge(ctx, pr, ctx.Doer, ctx.Repo.GitRepo, repo_model.MergeStyle(form.Do), form.HeadCommitID, message, false); err != nil {
if models.IsErrInvalidMergeStyle(err) {
ctx.Error(http.StatusMethodNotAllowed, "Invalid merge style", fmt.Errorf("%s is not allowed an allowed merge style for this repository", repo_model.MergeStyle(form.Do)))
} else if models.IsErrMergeConflicts(err) {
conflictError := err.(models.ErrMergeConflicts)
ctx.JSON(http.StatusConflict, conflictError)
} else if models.IsErrRebaseConflicts(err) {
conflictError := err.(models.ErrRebaseConflicts)
ctx.JSON(http.StatusConflict, conflictError)
} else if models.IsErrMergeUnrelatedHistories(err) {
conflictError := err.(models.ErrMergeUnrelatedHistories)
ctx.JSON(http.StatusConflict, conflictError)
} else if git.IsErrPushOutOfDate(err) {
ctx.Error(http.StatusConflict, "Merge", "merge push out of date")
} else if models.IsErrSHADoesNotMatch(err) {
ctx.Error(http.StatusConflict, "Merge", "head out of date")
} else if git.IsErrPushRejected(err) {
errPushRej := err.(*git.ErrPushRejected)
if len(errPushRej.Message) == 0 {
ctx.Error(http.StatusConflict, "Merge", "PushRejected without remote error message")
} else {
ctx.Error(http.StatusConflict, "Merge", "PushRejected with remote message: "+errPushRej.Message)
}
} else {
ctx.Error(http.StatusInternalServerError, "Merge", err)
}
return
}
log.Trace("Pull request merged: %d", pr.ID)
if form.DeleteBranchAfterMerge {
// Don't cleanup when there are other PR's that use this branch as head branch.
exist, err := issues_model.HasUnmergedPullRequestsByHeadInfo(ctx, pr.HeadRepoID, pr.HeadBranch)
if err != nil {
ctx.ServerError("HasUnmergedPullRequestsByHeadInfo", err)
return
}
if exist {
ctx.Status(http.StatusOK)
return
}
var headRepo *git.Repository
if ctx.Repo != nil && ctx.Repo.Repository != nil && ctx.Repo.Repository.ID == pr.HeadRepoID && ctx.Repo.GitRepo != nil {
headRepo = ctx.Repo.GitRepo
} else {
headRepo, err = git.OpenRepository(ctx, pr.HeadRepo.RepoPath())
if err != nil {
ctx.ServerError(fmt.Sprintf("OpenRepository[%s]", pr.HeadRepo.RepoPath()), err)
return
}
defer headRepo.Close()
}
if err := repo_service.DeleteBranch(ctx.Doer, pr.HeadRepo, headRepo, pr.HeadBranch); err != nil {
switch {
case git.IsErrBranchNotExist(err):
ctx.NotFound(err)
case errors.Is(err, repo_service.ErrBranchIsDefault):
ctx.Error(http.StatusForbidden, "DefaultBranch", fmt.Errorf("can not delete default branch"))
case errors.Is(err, git_model.ErrBranchIsProtected):
ctx.Error(http.StatusForbidden, "IsProtectedBranch", fmt.Errorf("branch protected"))
default:
ctx.Error(http.StatusInternalServerError, "DeleteBranch", err)
}
return
}
if err := issues_model.AddDeletePRBranchComment(ctx, ctx.Doer, pr.BaseRepo, pr.Issue.ID, pr.HeadBranch); err != nil {
// Do not fail here as branch has already been deleted
log.Error("DeleteBranch: %v", err)
}
}
ctx.Status(http.StatusOK)
}
func parseCompareInfo(ctx *context.APIContext, form api.CreatePullRequestOption) (*user_model.User, *repo_model.Repository, *git.Repository, *git.CompareInfo, string, string) {
baseRepo := ctx.Repo.Repository
// Get compared branches information
// format: <base branch>...[<head repo>:]<head branch>
// base<-head: master...head:feature
// same repo: master...feature
// TODO: Validate form first?
baseBranch := form.Base
var (
headUser *user_model.User
headBranch string
isSameRepo bool
err error
)
// If there is no head repository, it means pull request between same repository.
headInfos := strings.Split(form.Head, ":")
if len(headInfos) == 1 {
isSameRepo = true
headUser = ctx.Repo.Owner
headBranch = headInfos[0]
} else if len(headInfos) == 2 {
headUser, err = user_model.GetUserByName(ctx, headInfos[0])
if err != nil {
if user_model.IsErrUserNotExist(err) {
ctx.NotFound("GetUserByName")
} else {
ctx.Error(http.StatusInternalServerError, "GetUserByName", err)
}
return nil, nil, nil, nil, "", ""
}
headBranch = headInfos[1]
} else {
ctx.NotFound()
return nil, nil, nil, nil, "", ""
}
ctx.Repo.PullRequest.SameRepo = isSameRepo
log.Info("Base branch: %s", baseBranch)
log.Info("Repo path: %s", ctx.Repo.GitRepo.Path)
// Check if base branch is valid.
if !ctx.Repo.GitRepo.IsBranchExist(baseBranch) {
ctx.NotFound("IsBranchExist")
return nil, nil, nil, nil, "", ""
}
// Check if current user has fork of repository or in the same repository.
headRepo := repo_model.GetForkedRepo(headUser.ID, baseRepo.ID)
if headRepo == nil && !isSameRepo {
log.Trace("parseCompareInfo[%d]: does not have fork or in same repository", baseRepo.ID)
ctx.NotFound("GetForkedRepo")
return nil, nil, nil, nil, "", ""
}
var headGitRepo *git.Repository
if isSameRepo {
headRepo = ctx.Repo.Repository
headGitRepo = ctx.Repo.GitRepo
} else {
headGitRepo, err = git.OpenRepository(ctx, repo_model.RepoPath(headUser.Name, headRepo.Name))
if err != nil {
ctx.Error(http.StatusInternalServerError, "OpenRepository", err)
return nil, nil, nil, nil, "", ""
}
}
// user should have permission to read baseRepo's codes and pulls, NOT headRepo's
permBase, err := access_model.GetUserRepoPermission(ctx, baseRepo, ctx.Doer)
if err != nil {
headGitRepo.Close()
ctx.Error(http.StatusInternalServerError, "GetUserRepoPermission", err)
return nil, nil, nil, nil, "", ""
}