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338 lines
9.2 KiB
338 lines
9.2 KiB
// Copyright 2017 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 cmd
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import (
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"bufio"
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"bytes"
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"fmt"
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"net/http"
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"os"
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"strconv"
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"strings"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/private"
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"code.gitea.io/gitea/modules/setting"
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"github.com/urfave/cli"
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)
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const (
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hookBatchSize = 30
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)
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var (
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// CmdHook represents the available hooks sub-command.
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CmdHook = cli.Command{
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Name: "hook",
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Usage: "Delegate commands to corresponding Git hooks",
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Description: "This should only be called by Git",
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Subcommands: []cli.Command{
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subcmdHookPreReceive,
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subcmdHookUpdate,
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subcmdHookPostReceive,
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},
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}
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subcmdHookPreReceive = cli.Command{
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Name: "pre-receive",
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Usage: "Delegate pre-receive Git hook",
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Description: "This command should only be called by Git",
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Action: runHookPreReceive,
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}
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subcmdHookUpdate = cli.Command{
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Name: "update",
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Usage: "Delegate update Git hook",
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Description: "This command should only be called by Git",
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Action: runHookUpdate,
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}
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subcmdHookPostReceive = cli.Command{
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Name: "post-receive",
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Usage: "Delegate post-receive Git hook",
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Description: "This command should only be called by Git",
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Action: runHookPostReceive,
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}
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)
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func runHookPreReceive(c *cli.Context) error {
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if len(os.Getenv("SSH_ORIGINAL_COMMAND")) == 0 {
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if setting.OnlyAllowPushIfGiteaEnvironmentSet {
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fail(`Rejecting changes as Gitea environment not set.
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If you are pushing over SSH you must push with a key managed by
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Gitea or set your environment appropriately.`, "")
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} else {
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return nil
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}
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}
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setup("hooks/pre-receive.log", false)
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// the environment setted on serv command
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isWiki := (os.Getenv(models.EnvRepoIsWiki) == "true")
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username := os.Getenv(models.EnvRepoUsername)
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reponame := os.Getenv(models.EnvRepoName)
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userID, _ := strconv.ParseInt(os.Getenv(models.EnvPusherID), 10, 64)
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prID, _ := strconv.ParseInt(os.Getenv(models.ProtectedBranchPRID), 10, 64)
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isDeployKey, _ := strconv.ParseBool(os.Getenv(models.EnvIsDeployKey))
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hookOptions := private.HookOptions{
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UserID: userID,
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GitAlternativeObjectDirectories: os.Getenv(private.GitAlternativeObjectDirectories),
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GitObjectDirectory: os.Getenv(private.GitObjectDirectory),
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GitQuarantinePath: os.Getenv(private.GitQuarantinePath),
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ProtectedBranchID: prID,
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IsDeployKey: isDeployKey,
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}
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scanner := bufio.NewScanner(os.Stdin)
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oldCommitIDs := make([]string, hookBatchSize)
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newCommitIDs := make([]string, hookBatchSize)
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refFullNames := make([]string, hookBatchSize)
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count := 0
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total := 0
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lastline := 0
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for scanner.Scan() {
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// TODO: support news feeds for wiki
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if isWiki {
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continue
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}
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fields := bytes.Fields(scanner.Bytes())
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if len(fields) != 3 {
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continue
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}
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oldCommitID := string(fields[0])
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newCommitID := string(fields[1])
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refFullName := string(fields[2])
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total++
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lastline++
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// If the ref is a branch, check if it's protected
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if strings.HasPrefix(refFullName, git.BranchPrefix) {
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oldCommitIDs[count] = oldCommitID
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newCommitIDs[count] = newCommitID
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refFullNames[count] = refFullName
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count++
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fmt.Fprintf(os.Stdout, "*")
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os.Stdout.Sync()
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if count >= hookBatchSize {
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fmt.Fprintf(os.Stdout, " Checking %d branches\n", count)
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os.Stdout.Sync()
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hookOptions.OldCommitIDs = oldCommitIDs
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hookOptions.NewCommitIDs = newCommitIDs
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hookOptions.RefFullNames = refFullNames
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statusCode, msg := private.HookPreReceive(username, reponame, hookOptions)
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switch statusCode {
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case http.StatusOK:
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// no-op
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case http.StatusInternalServerError:
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fail("Internal Server Error", msg)
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default:
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fail(msg, "")
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}
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count = 0
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lastline = 0
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}
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} else {
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fmt.Fprintf(os.Stdout, ".")
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os.Stdout.Sync()
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}
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if lastline >= hookBatchSize {
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fmt.Fprintf(os.Stdout, "\n")
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os.Stdout.Sync()
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lastline = 0
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}
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}
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if count > 0 {
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hookOptions.OldCommitIDs = oldCommitIDs[:count]
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hookOptions.NewCommitIDs = newCommitIDs[:count]
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hookOptions.RefFullNames = refFullNames[:count]
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fmt.Fprintf(os.Stdout, " Checking %d branches\n", count)
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os.Stdout.Sync()
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statusCode, msg := private.HookPreReceive(username, reponame, hookOptions)
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switch statusCode {
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case http.StatusInternalServerError:
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fail("Internal Server Error", msg)
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case http.StatusForbidden:
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fail(msg, "")
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}
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} else if lastline > 0 {
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fmt.Fprintf(os.Stdout, "\n")
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os.Stdout.Sync()
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lastline = 0
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}
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fmt.Fprintf(os.Stdout, "Checked %d references in total\n", total)
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os.Stdout.Sync()
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return nil
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}
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func runHookUpdate(c *cli.Context) error {
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if len(os.Getenv("SSH_ORIGINAL_COMMAND")) == 0 {
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if setting.OnlyAllowPushIfGiteaEnvironmentSet {
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fail(`Rejecting changes as Gitea environment not set.
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If you are pushing over SSH you must push with a key managed by
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Gitea or set your environment appropriately.`, "")
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} else {
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return nil
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}
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}
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setup("hooks/update.log", false)
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return nil
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}
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func runHookPostReceive(c *cli.Context) error {
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if len(os.Getenv("SSH_ORIGINAL_COMMAND")) == 0 {
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if setting.OnlyAllowPushIfGiteaEnvironmentSet {
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fail(`Rejecting changes as Gitea environment not set.
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If you are pushing over SSH you must push with a key managed by
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Gitea or set your environment appropriately.`, "")
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} else {
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return nil
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}
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}
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setup("hooks/post-receive.log", false)
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// the environment setted on serv command
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repoUser := os.Getenv(models.EnvRepoUsername)
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isWiki := (os.Getenv(models.EnvRepoIsWiki) == "true")
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repoName := os.Getenv(models.EnvRepoName)
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pusherID, _ := strconv.ParseInt(os.Getenv(models.EnvPusherID), 10, 64)
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pusherName := os.Getenv(models.EnvPusherName)
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hookOptions := private.HookOptions{
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UserName: pusherName,
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UserID: pusherID,
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GitAlternativeObjectDirectories: os.Getenv(private.GitAlternativeObjectDirectories),
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GitObjectDirectory: os.Getenv(private.GitObjectDirectory),
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GitQuarantinePath: os.Getenv(private.GitQuarantinePath),
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}
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oldCommitIDs := make([]string, hookBatchSize)
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newCommitIDs := make([]string, hookBatchSize)
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refFullNames := make([]string, hookBatchSize)
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count := 0
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total := 0
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wasEmpty := false
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masterPushed := false
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results := make([]private.HookPostReceiveBranchResult, 0)
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scanner := bufio.NewScanner(os.Stdin)
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for scanner.Scan() {
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// TODO: support news feeds for wiki
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if isWiki {
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continue
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}
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fields := bytes.Fields(scanner.Bytes())
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if len(fields) != 3 {
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continue
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}
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fmt.Fprintf(os.Stdout, ".")
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oldCommitIDs[count] = string(fields[0])
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newCommitIDs[count] = string(fields[1])
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refFullNames[count] = string(fields[2])
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if refFullNames[count] == git.BranchPrefix+"master" && newCommitIDs[count] != git.EmptySHA && count == total {
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masterPushed = true
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}
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count++
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total++
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os.Stdout.Sync()
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if count >= hookBatchSize {
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fmt.Fprintf(os.Stdout, " Processing %d references\n", count)
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os.Stdout.Sync()
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hookOptions.OldCommitIDs = oldCommitIDs
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hookOptions.NewCommitIDs = newCommitIDs
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hookOptions.RefFullNames = refFullNames
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resp, err := private.HookPostReceive(repoUser, repoName, hookOptions)
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if resp == nil {
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hookPrintResults(results)
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fail("Internal Server Error", err)
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}
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wasEmpty = wasEmpty || resp.RepoWasEmpty
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results = append(results, resp.Results...)
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count = 0
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}
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}
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if count == 0 {
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if wasEmpty && masterPushed {
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// We need to tell the repo to reset the default branch to master
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err := private.SetDefaultBranch(repoUser, repoName, "master")
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if err != nil {
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fail("Internal Server Error", "SetDefaultBranch failed with Error: %v", err)
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}
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}
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fmt.Fprintf(os.Stdout, "Processed %d references in total\n", total)
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os.Stdout.Sync()
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hookPrintResults(results)
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return nil
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}
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hookOptions.OldCommitIDs = oldCommitIDs[:count]
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hookOptions.NewCommitIDs = newCommitIDs[:count]
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hookOptions.RefFullNames = refFullNames[:count]
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fmt.Fprintf(os.Stdout, " Processing %d references\n", count)
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os.Stdout.Sync()
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resp, err := private.HookPostReceive(repoUser, repoName, hookOptions)
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if resp == nil {
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hookPrintResults(results)
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fail("Internal Server Error", err)
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}
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wasEmpty = wasEmpty || resp.RepoWasEmpty
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results = append(results, resp.Results...)
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fmt.Fprintf(os.Stdout, "Processed %d references in total\n", total)
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os.Stdout.Sync()
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if wasEmpty && masterPushed {
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// We need to tell the repo to reset the default branch to master
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err := private.SetDefaultBranch(repoUser, repoName, "master")
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if err != nil {
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fail("Internal Server Error", "SetDefaultBranch failed with Error: %v", err)
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}
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}
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hookPrintResults(results)
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return nil
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}
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func hookPrintResults(results []private.HookPostReceiveBranchResult) {
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for _, res := range results {
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if !res.Message {
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continue
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}
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fmt.Fprintln(os.Stderr, "")
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if res.Create {
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fmt.Fprintf(os.Stderr, "Create a new pull request for '%s':\n", res.Branch)
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fmt.Fprintf(os.Stderr, " %s\n", res.URL)
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} else {
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fmt.Fprint(os.Stderr, "Visit the existing pull request:\n")
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fmt.Fprintf(os.Stderr, " %s\n", res.URL)
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}
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fmt.Fprintln(os.Stderr, "")
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os.Stderr.Sync()
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}
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}
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