367 lines
13 KiB
Go
367 lines
13 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package private
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import (
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"context"
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"fmt"
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"net/http"
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"strconv"
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"time"
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"code.gitea.io/gitea/models/db"
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git_model "code.gitea.io/gitea/models/git"
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issues_model "code.gitea.io/gitea/models/issues"
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pull_model "code.gitea.io/gitea/models/pull"
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repo_model "code.gitea.io/gitea/models/repo"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/cache"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/gitrepo"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/private"
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repo_module "code.gitea.io/gitea/modules/repository"
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"code.gitea.io/gitea/modules/setting"
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timeutil "code.gitea.io/gitea/modules/timeutil"
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"code.gitea.io/gitea/modules/util"
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"code.gitea.io/gitea/modules/web"
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gitea_context "code.gitea.io/gitea/services/context"
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repo_service "code.gitea.io/gitea/services/repository"
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)
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// HookPostReceive updates services and users
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func HookPostReceive(ctx *gitea_context.PrivateContext) {
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opts := web.GetForm(ctx).(*private.HookOptions)
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// We don't rely on RepoAssignment here because:
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// a) we don't need the git repo in this function
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// OUT OF DATE: we do need the git repo to sync the branch to the db now.
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// b) our update function will likely change the repository in the db so we will need to refresh it
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// c) we don't always need the repo
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ownerName := ctx.Params(":owner")
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repoName := ctx.Params(":repo")
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// defer getting the repository at this point - as we should only retrieve it if we're going to call update
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var (
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repo *repo_model.Repository
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gitRepo *git.Repository
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)
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defer gitRepo.Close() // it's safe to call Close on a nil pointer
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updates := make([]*repo_module.PushUpdateOptions, 0, len(opts.OldCommitIDs))
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wasEmpty := false
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for i := range opts.OldCommitIDs {
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refFullName := opts.RefFullNames[i]
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// Only trigger activity updates for changes to branches or
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// tags. Updates to other refs (eg, refs/notes, refs/changes,
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// or other less-standard refs spaces are ignored since there
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// may be a very large number of them).
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if refFullName.IsBranch() || refFullName.IsTag() {
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if repo == nil {
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repo = loadRepository(ctx, ownerName, repoName)
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if ctx.Written() {
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// Error handled in loadRepository
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return
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}
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wasEmpty = repo.IsEmpty
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}
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option := &repo_module.PushUpdateOptions{
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RefFullName: refFullName,
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OldCommitID: opts.OldCommitIDs[i],
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NewCommitID: opts.NewCommitIDs[i],
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PusherID: opts.UserID,
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PusherName: opts.UserName,
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RepoUserName: ownerName,
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RepoName: repoName,
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TimeNano: time.Now().UnixNano(),
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}
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updates = append(updates, option)
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if repo.IsEmpty && (refFullName.BranchName() == "master" || refFullName.BranchName() == "main") {
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// put the master/main branch first
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// FIXME: It doesn't always work, since the master/main branch may not be the first batch of updates.
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// If the user pushes many branches at once, the Git hook will call the internal API in batches, rather than all at once.
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// See https://github.com/go-gitea/gitea/blob/cb52b17f92e2d2293f7c003649743464492bca48/cmd/hook.go#L27
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// If the user executes `git push origin --all` and pushes more than 30 branches, the master/main may not be the default branch.
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copy(updates[1:], updates)
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updates[0] = option
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}
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}
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}
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if repo != nil && len(updates) > 0 {
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branchesToSync := make([]*repo_module.PushUpdateOptions, 0, len(updates))
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for _, update := range updates {
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if !update.RefFullName.IsBranch() {
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continue
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}
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if repo == nil {
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repo = loadRepository(ctx, ownerName, repoName)
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if ctx.Written() {
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return
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}
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wasEmpty = repo.IsEmpty
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}
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if update.IsDelRef() {
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if err := git_model.AddDeletedBranch(ctx, repo.ID, update.RefFullName.BranchName(), update.PusherID); err != nil {
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log.Error("Failed to add deleted branch: %s/%s Error: %v", ownerName, repoName, err)
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ctx.JSON(http.StatusInternalServerError, private.HookPostReceiveResult{
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Err: fmt.Sprintf("Failed to add deleted branch: %s/%s Error: %v", ownerName, repoName, err),
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})
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return
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}
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} else {
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branchesToSync = append(branchesToSync, update)
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}
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}
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if len(branchesToSync) > 0 {
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var err error
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gitRepo, err = gitrepo.OpenRepository(ctx, repo)
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if err != nil {
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log.Error("Failed to open repository: %s/%s Error: %v", ownerName, repoName, err)
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ctx.JSON(http.StatusInternalServerError, private.HookPostReceiveResult{
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Err: fmt.Sprintf("Failed to open repository: %s/%s Error: %v", ownerName, repoName, err),
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})
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return
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}
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var (
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branchNames = make([]string, 0, len(branchesToSync))
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commitIDs = make([]string, 0, len(branchesToSync))
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)
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for _, update := range branchesToSync {
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branchNames = append(branchNames, update.RefFullName.BranchName())
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commitIDs = append(commitIDs, update.NewCommitID)
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}
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if err := repo_service.SyncBranchesToDB(ctx, repo.ID, opts.UserID, branchNames, commitIDs, gitRepo.GetCommit); err != nil {
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ctx.JSON(http.StatusInternalServerError, private.HookPostReceiveResult{
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Err: fmt.Sprintf("Failed to sync branch to DB in repository: %s/%s Error: %v", ownerName, repoName, err),
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})
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return
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}
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}
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if err := repo_service.PushUpdates(updates); err != nil {
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log.Error("Failed to Update: %s/%s Total Updates: %d", ownerName, repoName, len(updates))
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for i, update := range updates {
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log.Error("Failed to Update: %s/%s Update: %d/%d: Branch: %s", ownerName, repoName, i, len(updates), update.RefFullName.BranchName())
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}
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log.Error("Failed to Update: %s/%s Error: %v", ownerName, repoName, err)
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ctx.JSON(http.StatusInternalServerError, private.HookPostReceiveResult{
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Err: fmt.Sprintf("Failed to Update: %s/%s Error: %v", ownerName, repoName, err),
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})
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return
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}
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}
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// handle pull request merging, a pull request action should push at least 1 commit
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if opts.PushTrigger == repo_module.PushTriggerPRMergeToBase {
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handlePullRequestMerging(ctx, opts, ownerName, repoName, updates)
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if ctx.Written() {
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return
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}
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}
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// Handle Push Options
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if len(opts.GitPushOptions) > 0 {
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// load the repository
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if repo == nil {
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repo = loadRepository(ctx, ownerName, repoName)
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if ctx.Written() {
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// Error handled in loadRepository
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return
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}
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wasEmpty = repo.IsEmpty
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}
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repo.IsPrivate = opts.GitPushOptions.Bool(private.GitPushOptionRepoPrivate, repo.IsPrivate)
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repo.IsTemplate = opts.GitPushOptions.Bool(private.GitPushOptionRepoTemplate, repo.IsTemplate)
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if err := repo_model.UpdateRepositoryCols(ctx, repo, "is_private", "is_template"); err != nil {
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log.Error("Failed to Update: %s/%s Error: %v", ownerName, repoName, err)
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ctx.JSON(http.StatusInternalServerError, private.HookPostReceiveResult{
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Err: fmt.Sprintf("Failed to Update: %s/%s Error: %v", ownerName, repoName, err),
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})
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}
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}
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results := make([]private.HookPostReceiveBranchResult, 0, len(opts.OldCommitIDs))
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// We have to reload the repo in case its state is changed above
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repo = nil
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var baseRepo *repo_model.Repository
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// Now handle the pull request notification trailers
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for i := range opts.OldCommitIDs {
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refFullName := opts.RefFullNames[i]
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newCommitID := opts.NewCommitIDs[i]
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// post update for agit pull request
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// FIXME: use pr.Flow to test whether it's an Agit PR or a GH PR
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if git.SupportProcReceive && refFullName.IsPull() {
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if repo == nil {
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repo = loadRepository(ctx, ownerName, repoName)
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if ctx.Written() {
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return
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}
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}
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pullIndex, _ := strconv.ParseInt(refFullName.PullName(), 10, 64)
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if pullIndex <= 0 {
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continue
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}
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pr, err := issues_model.GetPullRequestByIndex(ctx, repo.ID, pullIndex)
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if err != nil && !issues_model.IsErrPullRequestNotExist(err) {
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log.Error("Failed to get PR by index %v Error: %v", pullIndex, err)
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ctx.JSON(http.StatusInternalServerError, private.Response{
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Err: fmt.Sprintf("Failed to get PR by index %v Error: %v", pullIndex, err),
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})
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return
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}
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if pr == nil {
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continue
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}
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results = append(results, private.HookPostReceiveBranchResult{
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Message: setting.Git.PullRequestPushMessage && repo.AllowsPulls(ctx),
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Create: false,
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Branch: "",
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URL: fmt.Sprintf("%s/pulls/%d", repo.HTMLURL(), pr.Index),
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})
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continue
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}
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// If we've pushed a branch (and not deleted it)
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if !git.IsEmptyCommitID(newCommitID, nil) && refFullName.IsBranch() {
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// First ensure we have the repository loaded, we're allowed pulls requests and we can get the base repo
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if repo == nil {
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repo = loadRepository(ctx, ownerName, repoName)
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if ctx.Written() {
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return
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}
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baseRepo = repo
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if repo.IsFork {
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if err := repo.GetBaseRepo(ctx); err != nil {
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log.Error("Failed to get Base Repository of Forked repository: %-v Error: %v", repo, err)
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ctx.JSON(http.StatusInternalServerError, private.HookPostReceiveResult{
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Err: fmt.Sprintf("Failed to get Base Repository of Forked repository: %-v Error: %v", repo, err),
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RepoWasEmpty: wasEmpty,
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})
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return
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}
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if repo.BaseRepo.AllowsPulls(ctx) {
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baseRepo = repo.BaseRepo
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}
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}
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if !baseRepo.AllowsPulls(ctx) {
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// We can stop there's no need to go any further
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ctx.JSON(http.StatusOK, private.HookPostReceiveResult{
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RepoWasEmpty: wasEmpty,
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})
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return
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}
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}
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branch := refFullName.BranchName()
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// If our branch is the default branch of an unforked repo - there's no PR to create or refer to
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if !repo.IsFork && branch == baseRepo.DefaultBranch {
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results = append(results, private.HookPostReceiveBranchResult{})
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continue
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}
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pr, err := issues_model.GetUnmergedPullRequest(ctx, repo.ID, baseRepo.ID, branch, baseRepo.DefaultBranch, issues_model.PullRequestFlowGithub)
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if err != nil && !issues_model.IsErrPullRequestNotExist(err) {
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log.Error("Failed to get active PR in: %-v Branch: %s to: %-v Branch: %s Error: %v", repo, branch, baseRepo, baseRepo.DefaultBranch, err)
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ctx.JSON(http.StatusInternalServerError, private.HookPostReceiveResult{
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Err: fmt.Sprintf(
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"Failed to get active PR in: %-v Branch: %s to: %-v Branch: %s Error: %v", repo, branch, baseRepo, baseRepo.DefaultBranch, err),
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RepoWasEmpty: wasEmpty,
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})
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return
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}
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if pr == nil {
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if repo.IsFork {
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branch = fmt.Sprintf("%s:%s", repo.OwnerName, branch)
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}
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results = append(results, private.HookPostReceiveBranchResult{
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Message: setting.Git.PullRequestPushMessage && baseRepo.AllowsPulls(ctx),
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Create: true,
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Branch: branch,
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URL: fmt.Sprintf("%s/compare/%s...%s", baseRepo.HTMLURL(), util.PathEscapeSegments(baseRepo.DefaultBranch), util.PathEscapeSegments(branch)),
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})
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} else {
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results = append(results, private.HookPostReceiveBranchResult{
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Message: setting.Git.PullRequestPushMessage && baseRepo.AllowsPulls(ctx),
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Create: false,
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Branch: branch,
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URL: fmt.Sprintf("%s/pulls/%d", baseRepo.HTMLURL(), pr.Index),
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})
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}
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}
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}
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ctx.JSON(http.StatusOK, private.HookPostReceiveResult{
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Results: results,
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RepoWasEmpty: wasEmpty,
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})
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}
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func loadContextCacheUser(ctx context.Context, id int64) (*user_model.User, error) {
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return cache.GetWithContextCache(ctx, "hook_post_receive_user", id, func() (*user_model.User, error) {
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return user_model.GetUserByID(ctx, id)
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})
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}
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// handlePullRequestMerging handle pull request merging, a pull request action should push at least 1 commit
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func handlePullRequestMerging(ctx *gitea_context.PrivateContext, opts *private.HookOptions, ownerName, repoName string, updates []*repo_module.PushUpdateOptions) {
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if len(updates) == 0 {
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ctx.JSON(http.StatusInternalServerError, private.HookPostReceiveResult{
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Err: fmt.Sprintf("Pushing a merged PR (pr:%d) no commits pushed ", opts.PullRequestID),
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})
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return
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}
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pr, err := issues_model.GetPullRequestByID(ctx, opts.PullRequestID)
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if err != nil {
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log.Error("GetPullRequestByID[%d]: %v", opts.PullRequestID, err)
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ctx.JSON(http.StatusInternalServerError, private.HookPostReceiveResult{Err: "GetPullRequestByID failed"})
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return
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}
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pusher, err := loadContextCacheUser(ctx, opts.UserID)
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if err != nil {
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log.Error("Failed to Update: %s/%s Error: %v", ownerName, repoName, err)
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ctx.JSON(http.StatusInternalServerError, private.HookPostReceiveResult{Err: "Load pusher user failed"})
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return
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}
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pr.MergedCommitID = updates[len(updates)-1].NewCommitID
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pr.MergedUnix = timeutil.TimeStampNow()
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pr.Merger = pusher
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pr.MergerID = pusher.ID
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err = db.WithTx(ctx, func(ctx context.Context) error {
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// Removing an auto merge pull and ignore if not exist
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if err := pull_model.DeleteScheduledAutoMerge(ctx, pr.ID); err != nil && !db.IsErrNotExist(err) {
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return fmt.Errorf("DeleteScheduledAutoMerge[%d]: %v", opts.PullRequestID, err)
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}
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if _, err := pr.SetMerged(ctx); err != nil {
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return fmt.Errorf("SetMerged failed: %s/%s Error: %v", ownerName, repoName, err)
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}
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return nil
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})
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if err != nil {
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log.Error("Failed to update PR to merged: %v", err)
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ctx.JSON(http.StatusInternalServerError, private.HookPostReceiveResult{Err: "Failed to update PR to merged"})
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}
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}
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