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// Copyright 2021 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
// Package private includes all internal routes. The package name internal is ideal but Golang is not allowed, so we use private as package name instead.
package private
import (
"fmt"
"net/http"
"strconv"
"strings"
issues_model "code.gitea.io/gitea/models/issues"
repo_model "code.gitea.io/gitea/models/repo"
gitea_context "code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/private"
repo_module "code.gitea.io/gitea/modules/repository"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
"code.gitea.io/gitea/modules/web"
repo_service "code.gitea.io/gitea/services/repository"
)
// HookPostReceive updates services and users
func HookPostReceive(ctx *gitea_context.PrivateContext) {
opts := web.GetForm(ctx).(*private.HookOptions)
// We don't rely on RepoAssignment here because:
// a) we don't need the git repo in this function
// b) our update function will likely change the repository in the db so we will need to refresh it
// c) we don't always need the repo
ownerName := ctx.Params(":owner")
repoName := ctx.Params(":repo")
// defer getting the repository at this point - as we should only retrieve it if we're going to call update
var repo *repo_model.Repository
updates := make([]*repo_module.PushUpdateOptions, 0, len(opts.OldCommitIDs))
wasEmpty := false
for i := range opts.OldCommitIDs {
refFullName := opts.RefFullNames[i]
// Only trigger activity updates for changes to branches or
// tags. Updates to other refs (eg, refs/notes, refs/changes,
// or other less-standard refs spaces are ignored since there
// may be a very large number of them).
if strings.HasPrefix(refFullName, git.BranchPrefix) || strings.HasPrefix(refFullName, git.TagPrefix) {
if repo == nil {
repo = loadRepository(ctx, ownerName, repoName)
if ctx.Written() {
// Error handled in loadRepository
return
}
wasEmpty = repo.IsEmpty
}
option := &repo_module.PushUpdateOptions{
RefFullName: refFullName,
OldCommitID: opts.OldCommitIDs[i],
NewCommitID: opts.NewCommitIDs[i],
PusherID: opts.UserID,
PusherName: opts.UserName,
RepoUserName: ownerName,
RepoName: repoName,
}
updates = append(updates, option)
if repo.IsEmpty && option.IsBranch() && (option.BranchName() == "master" || option.BranchName() == "main") {
// put the master/main branch first
copy(updates[1:], updates)
updates[0] = option
}
}
}
if repo != nil && len(updates) > 0 {
if err := repo_service.PushUpdates(updates); err != nil {
log.Error("Failed to Update: %s/%s Total Updates: %d", ownerName, repoName, len(updates))
for i, update := range updates {
log.Error("Failed to Update: %s/%s Update: %d/%d: Branch: %s", ownerName, repoName, i, len(updates), update.BranchName())
}
log.Error("Failed to Update: %s/%s Error: %v", ownerName, repoName, err)
ctx.JSON(http.StatusInternalServerError, private.HookPostReceiveResult{
Err: fmt.Sprintf("Failed to Update: %s/%s Error: %v", ownerName, repoName, err),
})
return
}
}
// Handle Push Options
if len(opts.GitPushOptions) > 0 {
// load the repository
if repo == nil {
repo = loadRepository(ctx, ownerName, repoName)
if ctx.Written() {
// Error handled in loadRepository
return
}
wasEmpty = repo.IsEmpty
}
repo.IsPrivate = opts.GitPushOptions.Bool(private.GitPushOptionRepoPrivate, repo.IsPrivate)
repo.IsTemplate = opts.GitPushOptions.Bool(private.GitPushOptionRepoTemplate, repo.IsTemplate)
if err := repo_model.UpdateRepositoryCols(ctx, repo, "is_private", "is_template"); err != nil {
log.Error("Failed to Update: %s/%s Error: %v", ownerName, repoName, err)
ctx.JSON(http.StatusInternalServerError, private.HookPostReceiveResult{
Err: fmt.Sprintf("Failed to Update: %s/%s Error: %v", ownerName, repoName, err),
})
}
}
results := make([]private.HookPostReceiveBranchResult, 0, len(opts.OldCommitIDs))
// We have to reload the repo in case its state is changed above
repo = nil
var baseRepo *repo_model.Repository
// Now handle the pull request notification trailers
for i := range opts.OldCommitIDs {
refFullName := opts.RefFullNames[i]
newCommitID := opts.NewCommitIDs[i]
// post update for agit pull request
if git.SupportProcReceive && strings.HasPrefix(refFullName, git.PullPrefix) {
if repo == nil {
repo = loadRepository(ctx, ownerName, repoName)
if ctx.Written() {
return
}
}
pullIndexStr := strings.TrimPrefix(refFullName, git.PullPrefix)
pullIndexStr = strings.Split(pullIndexStr, "/")[0]
pullIndex, _ := strconv.ParseInt(pullIndexStr, 10, 64)
if pullIndex <= 0 {
continue
}
pr, err := issues_model.GetPullRequestByIndex(ctx, repo.ID, pullIndex)
if err != nil && !issues_model.IsErrPullRequestNotExist(err) {
log.Error("Failed to get PR by index %v Error: %v", pullIndex, err)
ctx.JSON(http.StatusInternalServerError, private.Response{
Err: fmt.Sprintf("Failed to get PR by index %v Error: %v", pullIndex, err),
})
return
}
if pr == nil {
continue
}
results = append(results, private.HookPostReceiveBranchResult{
Message: setting.Git.PullRequestPushMessage && repo.AllowsPulls(),
Create: false,
Branch: "",
URL: fmt.Sprintf("%s/pulls/%d", repo.HTMLURL(), pr.Index),
})
continue
}
branch := git.RefEndName(opts.RefFullNames[i])
// If we've pushed a branch (and not deleted it)
if newCommitID != git.EmptySHA && strings.HasPrefix(refFullName, git.BranchPrefix) {
// First ensure we have the repository loaded, we're allowed pulls requests and we can get the base repo
if repo == nil {
repo = loadRepository(ctx, ownerName, repoName)
if ctx.Written() {
return
}
if !repo.AllowsPulls() {
// We can stop there's no need to go any further
ctx.JSON(http.StatusOK, private.HookPostReceiveResult{
RepoWasEmpty: wasEmpty,
})
return
}
baseRepo = repo
if repo.IsFork {
if err := repo.GetBaseRepo(); err != nil {
log.Error("Failed to get Base Repository of Forked repository: %-v Error: %v", repo, err)
ctx.JSON(http.StatusInternalServerError, private.HookPostReceiveResult{
Err: fmt.Sprintf("Failed to get Base Repository of Forked repository: %-v Error: %v", repo, err),
RepoWasEmpty: wasEmpty,
})
return
}
baseRepo = repo.BaseRepo
}
}
// If our branch is the default branch of an unforked repo - there's no PR to create or refer to
if !repo.IsFork && branch == baseRepo.DefaultBranch {
results = append(results, private.HookPostReceiveBranchResult{})
continue
}
pr, err := issues_model.GetUnmergedPullRequest(repo.ID, baseRepo.ID, branch, baseRepo.DefaultBranch, issues_model.PullRequestFlowGithub)
if err != nil && !issues_model.IsErrPullRequestNotExist(err) {
log.Error("Failed to get active PR in: %-v Branch: %s to: %-v Branch: %s Error: %v", repo, branch, baseRepo, baseRepo.DefaultBranch, err)
ctx.JSON(http.StatusInternalServerError, private.HookPostReceiveResult{
Err: fmt.Sprintf(
"Failed to get active PR in: %-v Branch: %s to: %-v Branch: %s Error: %v", repo, branch, baseRepo, baseRepo.DefaultBranch, err),
RepoWasEmpty: wasEmpty,
})
return
}
if pr == nil {
if repo.IsFork {
branch = fmt.Sprintf("%s:%s", repo.OwnerName, branch)
}
results = append(results, private.HookPostReceiveBranchResult{
Message: setting.Git.PullRequestPushMessage && repo.AllowsPulls(),
Create: true,
Branch: branch,
URL: fmt.Sprintf("%s/compare/%s...%s", baseRepo.HTMLURL(), util.PathEscapeSegments(baseRepo.DefaultBranch), util.PathEscapeSegments(branch)),
})
} else {
results = append(results, private.HookPostReceiveBranchResult{
Message: setting.Git.PullRequestPushMessage && repo.AllowsPulls(),
Create: false,
Branch: branch,
URL: fmt.Sprintf("%s/pulls/%d", baseRepo.HTMLURL(), pr.Index),
})
}
}
}
ctx.JSON(http.StatusOK, private.HookPostReceiveResult{
Results: results,
RepoWasEmpty: wasEmpty,
})
}
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