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forgejo/cmd/hook.go
TomZ 743d1e34ac
[BRANDING] cosmetic s/Gitea/Forgejo/ in logs, messages, etc.
As the docs of codeberg refer to the strings printed by the Forgejo
ssh servers, this is user-facing and is nice to update to the new
product name.

(cherry picked from commit 103991d73f)
(cherry picked from commit 2a0d3f85f1)
(cherry picked from commit eb2b4ce388)
(cherry picked from commit 0998b51716)

[BRANDING] forgejo log message

(cherry picked from commit d51a046ebe)
(cherry picked from commit d66e1c7b6e)
(cherry picked from commit b5bffe4ce8)
(cherry picked from commit 3fa776d856)
(cherry picked from commit 18d064f472)
(cherry picked from commit c95094e355)
(cherry picked from commit 5784290bc4)
(cherry picked from commit aee336886b)
(cherry picked from commit ec2f60b516)
(cherry picked from commit 7af742a284)
(cherry picked from commit f279e2a264)
(cherry picked from commit fd38cfb14e)
(cherry picked from commit 64c8226618)
(cherry picked from commit b546fb2304)
(cherry picked from commit ad10202177)
(cherry picked from commit c89cab9c2b)
(cherry picked from commit 9579322ec2)
(cherry picked from commit 16b44ad18d)
(cherry picked from commit 2571ff703b)
(cherry picked from commit ad61d9ce9b)
(cherry picked from commit 9b2c45d4d3)
(cherry picked from commit ed01b79a59)
(cherry picked from commit d040b66427)
(cherry picked from commit ffe0bbea48)
(cherry picked from commit 4c1b2c409b)
(cherry picked from commit 3d8338ed10)
(cherry picked from commit a92f044ea9)

[BRANDING] link to forgejo.org/docs instead of docs.gitea.io

(cherry picked from commit 3efafd0e08)
(cherry picked from commit 148185e34b)
(cherry picked from commit 834e264698)
(cherry picked from commit e72fa6eb1e)

[BRANDING] link to forgejo.org/docs instead of docs.gitea.io

Fix the link that was 404.

(cherry picked from commit ae515d7258)
(cherry picked from commit facc2367f0)
(cherry picked from commit 25784b9f21)
(cherry picked from commit 2efc6138d9)
(cherry picked from commit b9d0871631)
(cherry picked from commit f0446e51b9)
(cherry picked from commit 1638aa67fb)
(cherry picked from commit 290db6a018)
(cherry picked from commit 89b87cf542)
(cherry picked from commit 656ed94962)
(cherry picked from commit 036f879f96)
(cherry picked from commit 69eea35f81)
(cherry picked from commit b72e3f4a92)
(cherry picked from commit af606b8574)
(cherry picked from commit 7e47f8135c)
(cherry picked from commit 0e5218cc53)
(cherry picked from commit 7c2a20a528)
(cherry picked from commit 4e94006363)
(cherry picked from commit e47cdfc43f)
(cherry picked from commit 1dcb3e1da4)
(cherry picked from commit 67367c4e0f)
(cherry picked from commit 252087d1ff)
(cherry picked from commit f5977a43e5)

Conflicts:
	templates/base/head_navbar.tmpl
	https://codeberg.org/forgejo/forgejo/pulls/1351
(cherry picked from commit 594938eb15)
(cherry picked from commit 0257d038a7)
(cherry picked from commit 72821dd140)

[BRANDING] s/gitea/forgejo/ in HTML placeholders

Replaced Gitea branding with Forgejo for input placeholders

Closes: #686
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/752

(cherry picked from commit 6160d37ca9)
(cherry picked from commit df61138c7e)
(cherry picked from commit 1f30566c3f)
(cherry picked from commit 539bb825f5)
(cherry picked from commit bee0f66c86)
(cherry picked from commit 60ad005c95)
(cherry picked from commit 282e26222e)
(cherry picked from commit f9ca551f3d)
(cherry picked from commit b2e04b04c3)
(cherry picked from commit c8f395a03c)
(cherry picked from commit 0d58ce49ae)
(cherry picked from commit c602ddf91e)
(cherry picked from commit 029e37271e)
(cherry picked from commit fdaa96b3cc)
(cherry picked from commit 515d99e27d)
(cherry picked from commit da73274ba1)
(cherry picked from commit ce90b696a0)
(cherry picked from commit b6bf98763b)
(cherry picked from commit 5b380d22d7)

[BRANDING] How to start a runner: URL to Actions admin documentation

(cherry picked from commit da91799e6f)
(cherry picked from commit 28231663b6)
(cherry picked from commit 533a90345b)
(cherry picked from commit 6a0e4e55dd)
(cherry picked from commit f47cd611c6)
(cherry picked from commit 001264b784)
(cherry picked from commit e4099e9bb9)
(cherry picked from commit 3a1885649f)
(cherry picked from commit c42802c710)
(cherry picked from commit a611ce8d6d)
(cherry picked from commit a3d7d10a80)
(cherry picked from commit 52adde671f)
(cherry picked from commit c9a3820fef)
(cherry picked from commit dce40997c9)
(cherry picked from commit 312a6b92f3)

[BRANDING] package templates & links

- Change Gitea to Forgejo where necessary.
- Point all documentation to Forgejo's documentation.
- Resolves #992

(cherry picked from commit d0b78a6ede)
(cherry picked from commit e2382f30ba)
(cherry picked from commit c41cf05a33)
(cherry picked from commit 797e598ae7)
(cherry picked from commit 970031a1c2)
(cherry picked from commit 0c1180e2e1)

Conflicts:
	templates/package/content/alpine.tmpl
	templates/package/content/cargo.tmpl
	templates/package/content/chef.tmpl
	templates/package/content/composer.tmpl
	templates/package/content/conan.tmpl
	templates/package/content/conda.tmpl
	templates/package/content/container.tmpl
	templates/package/content/cran.tmpl
	templates/package/content/debian.tmpl
	templates/package/content/generic.tmpl
	templates/package/content/go.tmpl
	templates/package/content/helm.tmpl
	templates/package/content/maven.tmpl
	templates/package/content/npm.tmpl
	templates/package/content/nuget.tmpl
	templates/package/content/pub.tmpl
	templates/package/content/pypi.tmpl
	templates/package/content/rpm.tmpl
	templates/package/content/rubygems.tmpl
	templates/package/content/swift.tmpl
	templates/package/content/vagrant.tmpl

	https://codeberg.org/forgejo/forgejo/pulls/1351
(cherry picked from commit 42ac9ff2ab)
(cherry picked from commit e390000bce)
(cherry picked from commit 56a437b29b)

Conflicts:
	templates/package/content/cargo.tmpl
	https://codeberg.org/forgejo/forgejo/pulls/1466

[BRANDING] s/Gitea/Forgejo/ in user visible help & comments

- Modify the README of the docker directory to point to the relevant
docker files and documentation for Forgejo.

(cherry picked from commit aca6371215)
(cherry picked from commit 0ba96b1bc4)
(cherry picked from commit 5c8e6b53f1)

Conflicts:
	docker/README.md
	https://codeberg.org/forgejo/forgejo/pulls/1351
(cherry picked from commit b3121c8004)
(cherry picked from commit 607f870416)
(cherry picked from commit 191d96afe4)

[BRANDING] healthcheck/check.go

(cherry picked from commit d703a236ce)
(cherry picked from commit d84ce3ff20)
(cherry picked from commit 2dbb844606)
(cherry picked from commit 14d3ae7e3a)

[BRANDING] s/Gitea/Forgejo/g in CLI output

(cherry picked from commit 7543c126bb)
(cherry picked from commit b66f422fc3)
(cherry picked from commit a81e4e46f3)

[BRANDING] Gitea->Forgejo in mailer code

(cherry picked from commit b91afea4ff)
(cherry picked from commit 5d7428167c)
(cherry picked from commit ed8101ba6c)

[BRANDING] use 'Forgejo' for Discord, Packagist, and Slack webhooks

Refs: https://codeberg.org/forgejo/forgejo/issues/1387

(cherry picked from commit 7dc3a05f5b)
(cherry picked from commit 133f2fc6cc)

[BRANDING] cmd/manager.go

(cherry picked from commit d1dba2c79d)

[BRANDING] pyproject.toml

(cherry picked from commit 7e8c868db2)
(cherry picked from commit 2395995c8b)
(cherry picked from commit dd6fbbf332)

Conflicts:
	templates/package/content/cargo.tmpl
	https://codeberg.org/forgejo/forgejo/pulls/1548
(cherry picked from commit 6f9a5d5cab)
(cherry picked from commit d0635c4a07)
(cherry picked from commit 5f9a8c5744)
(cherry picked from commit 10b96c4567)
(cherry picked from commit 717d52e928)
(cherry picked from commit 5debdb103e)
(cherry picked from commit ded1c1700e)
(cherry picked from commit 52aa23cf7a)
(cherry picked from commit 882c942b06)
(cherry picked from commit 73fc2d2ea8)

Conflicts:
	cmd/actions.go
	cmd/doctor.go
	cmd/keys.go
	https://codeberg.org/forgejo/forgejo/pulls/1976
(cherry picked from commit 6180ef24dc)
(cherry picked from commit 8970fa2bf8)

Conflicts:
	templates/package/content/debian.tmpl
	https://codeberg.org/forgejo/forgejo/pulls/2074

Fix a typo in docker/README.md

Signed-off-by: Gergely Nagy <forgejo@gergo.csillger.hu>
(cherry picked from commit 2e5df79dfb)
(cherry picked from commit 2bf6ce5b81)
(cherry picked from commit 8ec779277d)
(cherry picked from commit 6048fc66e8)
(cherry picked from commit 162538c722)
(cherry picked from commit 646bb99650)
2024-02-05 16:02:14 +01:00

796 lines
21 KiB
Go

// Copyright 2017 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package cmd
import (
"bufio"
"bytes"
"context"
"fmt"
"io"
"os"
"strconv"
"strings"
"time"
"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"
"github.com/urfave/cli/v2"
)
const (
hookBatchSize = 30
)
var (
// CmdHook represents the available hooks sub-command.
CmdHook = &cli.Command{
Name: "hook",
Usage: "(internal) Should only be called by Git",
Description: "Delegate commands to corresponding Git hooks",
Before: PrepareConsoleLoggerLevel(log.FATAL),
Subcommands: []*cli.Command{
subcmdHookPreReceive,
subcmdHookUpdate,
subcmdHookPostReceive,
subcmdHookProcReceive,
},
}
subcmdHookPreReceive = &cli.Command{
Name: "pre-receive",
Usage: "Delegate pre-receive Git hook",
Description: "This command should only be called by Git",
Action: runHookPreReceive,
Flags: []cli.Flag{
&cli.BoolFlag{
Name: "debug",
},
},
}
subcmdHookUpdate = &cli.Command{
Name: "update",
Usage: "Delegate update Git hook",
Description: "This command should only be called by Git",
Action: runHookUpdate,
Flags: []cli.Flag{
&cli.BoolFlag{
Name: "debug",
},
},
}
subcmdHookPostReceive = &cli.Command{
Name: "post-receive",
Usage: "Delegate post-receive Git hook",
Description: "This command should only be called by Git",
Action: runHookPostReceive,
Flags: []cli.Flag{
&cli.BoolFlag{
Name: "debug",
},
},
}
// Note: new hook since git 2.29
subcmdHookProcReceive = &cli.Command{
Name: "proc-receive",
Usage: "Delegate proc-receive Git hook",
Description: "This command should only be called by Git",
Action: runHookProcReceive,
Flags: []cli.Flag{
&cli.BoolFlag{
Name: "debug",
},
},
}
)
type delayWriter struct {
internal io.Writer
buf *bytes.Buffer
timer *time.Timer
}
func newDelayWriter(internal io.Writer, delay time.Duration) *delayWriter {
timer := time.NewTimer(delay)
return &delayWriter{
internal: internal,
buf: &bytes.Buffer{},
timer: timer,
}
}
func (d *delayWriter) Write(p []byte) (n int, err error) {
if d.buf != nil {
select {
case <-d.timer.C:
_, err := d.internal.Write(d.buf.Bytes())
if err != nil {
return 0, err
}
d.buf = nil
return d.internal.Write(p)
default:
return d.buf.Write(p)
}
}
return d.internal.Write(p)
}
func (d *delayWriter) WriteString(s string) (n int, err error) {
if d.buf != nil {
select {
case <-d.timer.C:
_, err := d.internal.Write(d.buf.Bytes())
if err != nil {
return 0, err
}
d.buf = nil
return d.internal.Write([]byte(s))
default:
return d.buf.WriteString(s)
}
}
return d.internal.Write([]byte(s))
}
func (d *delayWriter) Close() error {
if d == nil {
return nil
}
stopped := d.timer.Stop()
if stopped || d.buf == nil {
return nil
}
_, err := d.internal.Write(d.buf.Bytes())
d.buf = nil
return err
}
type nilWriter struct{}
func (n *nilWriter) Write(p []byte) (int, error) {
return len(p), nil
}
func (n *nilWriter) WriteString(s string) (int, error) {
return len(s), nil
}
func runHookPreReceive(c *cli.Context) error {
if isInternal, _ := strconv.ParseBool(os.Getenv(repo_module.EnvIsInternal)); isInternal {
return nil
}
ctx, cancel := installSignals()
defer cancel()
setup(ctx, c.Bool("debug"))
if len(os.Getenv("SSH_ORIGINAL_COMMAND")) == 0 {
if setting.OnlyAllowPushIfGiteaEnvironmentSet {
return fail(ctx, `Rejecting changes as Forgejo environment not set.
If you are pushing over SSH you must push with a key managed by
Forgejo or set your environment appropriately.`, "")
}
return nil
}
// the environment is set by serv command
isWiki, _ := strconv.ParseBool(os.Getenv(repo_module.EnvRepoIsWiki))
username := os.Getenv(repo_module.EnvRepoUsername)
reponame := os.Getenv(repo_module.EnvRepoName)
userID, _ := strconv.ParseInt(os.Getenv(repo_module.EnvPusherID), 10, 64)
prID, _ := strconv.ParseInt(os.Getenv(repo_module.EnvPRID), 10, 64)
deployKeyID, _ := strconv.ParseInt(os.Getenv(repo_module.EnvDeployKeyID), 10, 64)
actionPerm, _ := strconv.ParseInt(os.Getenv(repo_module.EnvActionPerm), 10, 64)
hookOptions := private.HookOptions{
UserID: userID,
GitAlternativeObjectDirectories: os.Getenv(private.GitAlternativeObjectDirectories),
GitObjectDirectory: os.Getenv(private.GitObjectDirectory),
GitQuarantinePath: os.Getenv(private.GitQuarantinePath),
GitPushOptions: pushOptions(),
PullRequestID: prID,
DeployKeyID: deployKeyID,
ActionPerm: int(actionPerm),
}
scanner := bufio.NewScanner(os.Stdin)
oldCommitIDs := make([]string, hookBatchSize)
newCommitIDs := make([]string, hookBatchSize)
refFullNames := make([]git.RefName, hookBatchSize)
count := 0
total := 0
lastline := 0
var out io.Writer
out = &nilWriter{}
if setting.Git.VerbosePush {
if setting.Git.VerbosePushDelay > 0 {
dWriter := newDelayWriter(os.Stdout, setting.Git.VerbosePushDelay)
defer dWriter.Close()
out = dWriter
} else {
out = os.Stdout
}
}
supportProcReceive := false
if git.CheckGitVersionAtLeast("2.29") == nil {
supportProcReceive = true
}
for scanner.Scan() {
// TODO: support news feeds for wiki
if isWiki {
continue
}
fields := bytes.Fields(scanner.Bytes())
if len(fields) != 3 {
continue
}
oldCommitID := string(fields[0])
newCommitID := string(fields[1])
refFullName := git.RefName(fields[2])
total++
lastline++
// If the ref is a branch or tag, check if it's protected
// if supportProcReceive all ref should be checked because
// permission check was delayed
if supportProcReceive || refFullName.IsBranch() || refFullName.IsTag() {
oldCommitIDs[count] = oldCommitID
newCommitIDs[count] = newCommitID
refFullNames[count] = refFullName
count++
fmt.Fprintf(out, "*")
if count >= hookBatchSize {
fmt.Fprintf(out, " Checking %d references\n", count)
hookOptions.OldCommitIDs = oldCommitIDs
hookOptions.NewCommitIDs = newCommitIDs
hookOptions.RefFullNames = refFullNames
extra := private.HookPreReceive(ctx, username, reponame, hookOptions)
if extra.HasError() {
return fail(ctx, extra.UserMsg, "HookPreReceive(batch) failed: %v", extra.Error)
}
count = 0
lastline = 0
}
} else {
fmt.Fprintf(out, ".")
}
if lastline >= hookBatchSize {
fmt.Fprintf(out, "\n")
lastline = 0
}
}
if count > 0 {
hookOptions.OldCommitIDs = oldCommitIDs[:count]
hookOptions.NewCommitIDs = newCommitIDs[:count]
hookOptions.RefFullNames = refFullNames[:count]
fmt.Fprintf(out, " Checking %d references\n", count)
extra := private.HookPreReceive(ctx, username, reponame, hookOptions)
if extra.HasError() {
return fail(ctx, extra.UserMsg, "HookPreReceive(last) failed: %v", extra.Error)
}
} else if lastline > 0 {
fmt.Fprintf(out, "\n")
}
fmt.Fprintf(out, "Checked %d references in total\n", total)
return nil
}
func runHookUpdate(c *cli.Context) error {
// Update is empty and is kept only for backwards compatibility
return nil
}
func runHookPostReceive(c *cli.Context) error {
ctx, cancel := installSignals()
defer cancel()
setup(ctx, c.Bool("debug"))
// First of all run update-server-info no matter what
if _, _, err := git.NewCommand(ctx, "update-server-info").RunStdString(nil); err != nil {
return fmt.Errorf("Failed to call 'git update-server-info': %w", err)
}
// Now if we're an internal don't do anything else
if isInternal, _ := strconv.ParseBool(os.Getenv(repo_module.EnvIsInternal)); isInternal {
return nil
}
if len(os.Getenv("SSH_ORIGINAL_COMMAND")) == 0 {
if setting.OnlyAllowPushIfGiteaEnvironmentSet {
return fail(ctx, `Rejecting changes as Forgejo environment not set.
If you are pushing over SSH you must push with a key managed by
Forgejo or set your environment appropriately.`, "")
}
return nil
}
var out io.Writer
var dWriter *delayWriter
out = &nilWriter{}
if setting.Git.VerbosePush {
if setting.Git.VerbosePushDelay > 0 {
dWriter = newDelayWriter(os.Stdout, setting.Git.VerbosePushDelay)
defer dWriter.Close()
out = dWriter
} else {
out = os.Stdout
}
}
// the environment is set by serv command
repoUser := os.Getenv(repo_module.EnvRepoUsername)
isWiki, _ := strconv.ParseBool(os.Getenv(repo_module.EnvRepoIsWiki))
repoName := os.Getenv(repo_module.EnvRepoName)
pusherID, _ := strconv.ParseInt(os.Getenv(repo_module.EnvPusherID), 10, 64)
pusherName := os.Getenv(repo_module.EnvPusherName)
hookOptions := private.HookOptions{
UserName: pusherName,
UserID: pusherID,
GitAlternativeObjectDirectories: os.Getenv(private.GitAlternativeObjectDirectories),
GitObjectDirectory: os.Getenv(private.GitObjectDirectory),
GitQuarantinePath: os.Getenv(private.GitQuarantinePath),
GitPushOptions: pushOptions(),
}
oldCommitIDs := make([]string, hookBatchSize)
newCommitIDs := make([]string, hookBatchSize)
refFullNames := make([]git.RefName, hookBatchSize)
count := 0
total := 0
wasEmpty := false
masterPushed := false
results := make([]private.HookPostReceiveBranchResult, 0)
scanner := bufio.NewScanner(os.Stdin)
for scanner.Scan() {
// TODO: support news feeds for wiki
if isWiki {
continue
}
fields := bytes.Fields(scanner.Bytes())
if len(fields) != 3 {
continue
}
fmt.Fprintf(out, ".")
oldCommitIDs[count] = string(fields[0])
newCommitIDs[count] = string(fields[1])
refFullNames[count] = git.RefName(fields[2])
commitID, _ := git.NewIDFromString(newCommitIDs[count])
if refFullNames[count] == git.BranchPrefix+"master" && !commitID.IsZero() && count == total {
masterPushed = true
}
count++
total++
if count >= hookBatchSize {
fmt.Fprintf(out, " Processing %d references\n", count)
hookOptions.OldCommitIDs = oldCommitIDs
hookOptions.NewCommitIDs = newCommitIDs
hookOptions.RefFullNames = refFullNames
resp, extra := private.HookPostReceive(ctx, repoUser, repoName, hookOptions)
if extra.HasError() {
_ = dWriter.Close()
hookPrintResults(results)
return fail(ctx, extra.UserMsg, "HookPostReceive failed: %v", extra.Error)
}
wasEmpty = wasEmpty || resp.RepoWasEmpty
results = append(results, resp.Results...)
count = 0
}
}
if count == 0 {
if wasEmpty && masterPushed {
// We need to tell the repo to reset the default branch to master
extra := private.SetDefaultBranch(ctx, repoUser, repoName, "master")
if extra.HasError() {
return fail(ctx, extra.UserMsg, "SetDefaultBranch failed: %v", extra.Error)
}
}
fmt.Fprintf(out, "Processed %d references in total\n", total)
_ = dWriter.Close()
hookPrintResults(results)
return nil
}
hookOptions.OldCommitIDs = oldCommitIDs[:count]
hookOptions.NewCommitIDs = newCommitIDs[:count]
hookOptions.RefFullNames = refFullNames[:count]
fmt.Fprintf(out, " Processing %d references\n", count)
resp, extra := private.HookPostReceive(ctx, repoUser, repoName, hookOptions)
if resp == nil {
_ = dWriter.Close()
hookPrintResults(results)
return fail(ctx, extra.UserMsg, "HookPostReceive failed: %v", extra.Error)
}
wasEmpty = wasEmpty || resp.RepoWasEmpty
results = append(results, resp.Results...)
fmt.Fprintf(out, "Processed %d references in total\n", total)
if wasEmpty && masterPushed {
// We need to tell the repo to reset the default branch to master
extra := private.SetDefaultBranch(ctx, repoUser, repoName, "master")
if extra.HasError() {
return fail(ctx, extra.UserMsg, "SetDefaultBranch failed: %v", extra.Error)
}
}
_ = dWriter.Close()
hookPrintResults(results)
return nil
}
func hookPrintResults(results []private.HookPostReceiveBranchResult) {
for _, res := range results {
if !res.Message {
continue
}
fmt.Fprintln(os.Stderr, "")
if res.Create {
fmt.Fprintf(os.Stderr, "Create a new pull request for '%s':\n", res.Branch)
fmt.Fprintf(os.Stderr, " %s\n", res.URL)
} else {
fmt.Fprint(os.Stderr, "Visit the existing pull request:\n")
fmt.Fprintf(os.Stderr, " %s\n", res.URL)
}
fmt.Fprintln(os.Stderr, "")
os.Stderr.Sync()
}
}
func pushOptions() map[string]string {
opts := make(map[string]string)
if pushCount, err := strconv.Atoi(os.Getenv(private.GitPushOptionCount)); err == nil {
for idx := 0; idx < pushCount; idx++ {
opt := os.Getenv(fmt.Sprintf("GIT_PUSH_OPTION_%d", idx))
kv := strings.SplitN(opt, "=", 2)
if len(kv) == 2 {
opts[kv[0]] = kv[1]
}
}
}
return opts
}
func runHookProcReceive(c *cli.Context) error {
ctx, cancel := installSignals()
defer cancel()
setup(ctx, c.Bool("debug"))
if len(os.Getenv("SSH_ORIGINAL_COMMAND")) == 0 {
if setting.OnlyAllowPushIfGiteaEnvironmentSet {
return fail(ctx, `Rejecting changes as Forgejo environment not set.
If you are pushing over SSH you must push with a key managed by
Forgejo or set your environment appropriately.`, "")
}
return nil
}
if git.CheckGitVersionAtLeast("2.29") != nil {
return fail(ctx, "No proc-receive support", "current git version doesn't support proc-receive.")
}
reader := bufio.NewReader(os.Stdin)
repoUser := os.Getenv(repo_module.EnvRepoUsername)
repoName := os.Getenv(repo_module.EnvRepoName)
pusherID, _ := strconv.ParseInt(os.Getenv(repo_module.EnvPusherID), 10, 64)
pusherName := os.Getenv(repo_module.EnvPusherName)
// 1. Version and features negotiation.
// S: PKT-LINE(version=1\0push-options atomic...) / PKT-LINE(version=1\n)
// S: flush-pkt
// H: PKT-LINE(version=1\0push-options...)
// H: flush-pkt
rs, err := readPktLine(ctx, reader, pktLineTypeData)
if err != nil {
return err
}
const VersionHead string = "version=1"
var (
hasPushOptions bool
response = []byte(VersionHead)
requestOptions []string
)
index := bytes.IndexByte(rs.Data, byte(0))
if index >= len(rs.Data) {
return fail(ctx, "Protocol: format error", "pkt-line: format error "+fmt.Sprint(rs.Data))
}
if index < 0 {
if len(rs.Data) == 10 && rs.Data[9] == '\n' {
index = 9
} else {
return fail(ctx, "Protocol: format error", "pkt-line: format error "+fmt.Sprint(rs.Data))
}
}
if string(rs.Data[0:index]) != VersionHead {
return fail(ctx, "Protocol: version error", "Received unsupported version: %s", string(rs.Data[0:index]))
}
requestOptions = strings.Split(string(rs.Data[index+1:]), " ")
for _, option := range requestOptions {
if strings.HasPrefix(option, "push-options") {
response = append(response, byte(0))
response = append(response, []byte("push-options")...)
hasPushOptions = true
}
}
response = append(response, '\n')
_, err = readPktLine(ctx, reader, pktLineTypeFlush)
if err != nil {
return err
}
err = writeDataPktLine(ctx, os.Stdout, response)
if err != nil {
return err
}
err = writeFlushPktLine(ctx, os.Stdout)
if err != nil {
return err
}
// 2. receive commands from server.
// S: PKT-LINE(<old-oid> <new-oid> <ref>)
// S: ... ...
// S: flush-pkt
// # [receive push-options]
// S: PKT-LINE(push-option)
// S: ... ...
// S: flush-pkt
hookOptions := private.HookOptions{
UserName: pusherName,
UserID: pusherID,
}
hookOptions.OldCommitIDs = make([]string, 0, hookBatchSize)
hookOptions.NewCommitIDs = make([]string, 0, hookBatchSize)
hookOptions.RefFullNames = make([]git.RefName, 0, hookBatchSize)
for {
// note: pktLineTypeUnknow means pktLineTypeFlush and pktLineTypeData all allowed
rs, err = readPktLine(ctx, reader, pktLineTypeUnknow)
if err != nil {
return err
}
if rs.Type == pktLineTypeFlush {
break
}
t := strings.SplitN(string(rs.Data), " ", 3)
if len(t) != 3 {
continue
}
hookOptions.OldCommitIDs = append(hookOptions.OldCommitIDs, t[0])
hookOptions.NewCommitIDs = append(hookOptions.NewCommitIDs, t[1])
hookOptions.RefFullNames = append(hookOptions.RefFullNames, git.RefName(t[2]))
}
hookOptions.GitPushOptions = make(map[string]string)
if hasPushOptions {
for {
rs, err = readPktLine(ctx, reader, pktLineTypeUnknow)
if err != nil {
return err
}
if rs.Type == pktLineTypeFlush {
break
}
kv := strings.SplitN(string(rs.Data), "=", 2)
if len(kv) == 2 {
hookOptions.GitPushOptions[kv[0]] = kv[1]
}
}
}
// 3. run hook
resp, extra := private.HookProcReceive(ctx, repoUser, repoName, hookOptions)
if extra.HasError() {
return fail(ctx, extra.UserMsg, "HookProcReceive failed: %v", extra.Error)
}
// 4. response result to service
// # a. OK, but has an alternate reference. The alternate reference name
// # and other status can be given in option directives.
// H: PKT-LINE(ok <ref>)
// H: PKT-LINE(option refname <refname>)
// H: PKT-LINE(option old-oid <old-oid>)
// H: PKT-LINE(option new-oid <new-oid>)
// H: PKT-LINE(option forced-update)
// H: ... ...
// H: flush-pkt
// # b. NO, I reject it.
// H: PKT-LINE(ng <ref> <reason>)
// # c. Fall through, let 'receive-pack' to execute it.
// H: PKT-LINE(ok <ref>)
// H: PKT-LINE(option fall-through)
for _, rs := range resp.Results {
if len(rs.Err) > 0 {
err = writeDataPktLine(ctx, os.Stdout, []byte("ng "+rs.OriginalRef.String()+" "+rs.Err))
if err != nil {
return err
}
continue
}
if rs.IsNotMatched {
err = writeDataPktLine(ctx, os.Stdout, []byte("ok "+rs.OriginalRef.String()))
if err != nil {
return err
}
err = writeDataPktLine(ctx, os.Stdout, []byte("option fall-through"))
if err != nil {
return err
}
continue
}
err = writeDataPktLine(ctx, os.Stdout, []byte("ok "+rs.OriginalRef))
if err != nil {
return err
}
err = writeDataPktLine(ctx, os.Stdout, []byte("option refname "+rs.Ref))
if err != nil {
return err
}
commitID, _ := git.NewIDFromString(rs.OldOID)
if !commitID.IsZero() {
err = writeDataPktLine(ctx, os.Stdout, []byte("option old-oid "+rs.OldOID))
if err != nil {
return err
}
}
err = writeDataPktLine(ctx, os.Stdout, []byte("option new-oid "+rs.NewOID))
if err != nil {
return err
}
if rs.IsForcePush {
err = writeDataPktLine(ctx, os.Stdout, []byte("option forced-update"))
if err != nil {
return err
}
}
}
err = writeFlushPktLine(ctx, os.Stdout)
return err
}
// git PKT-Line api
// pktLineType message type of pkt-line
type pktLineType int64
const (
// UnKnow type
pktLineTypeUnknow pktLineType = 0
// flush-pkt "0000"
pktLineTypeFlush pktLineType = iota
// data line
pktLineTypeData
)
// gitPktLine pkt-line api
type gitPktLine struct {
Type pktLineType
Length uint64
Data []byte
}
func readPktLine(ctx context.Context, in *bufio.Reader, requestType pktLineType) (*gitPktLine, error) {
var (
err error
r *gitPktLine
)
// read prefix
lengthBytes := make([]byte, 4)
for i := 0; i < 4; i++ {
lengthBytes[i], err = in.ReadByte()
if err != nil {
return nil, fail(ctx, "Protocol: stdin error", "Pkt-Line: read stdin failed : %v", err)
}
}
r = new(gitPktLine)
r.Length, err = strconv.ParseUint(string(lengthBytes), 16, 32)
if err != nil {
return nil, fail(ctx, "Protocol: format parse error", "Pkt-Line format is wrong :%v", err)
}
if r.Length == 0 {
if requestType == pktLineTypeData {
return nil, fail(ctx, "Protocol: format data error", "Pkt-Line format is wrong")
}
r.Type = pktLineTypeFlush
return r, nil
}
if r.Length <= 4 || r.Length > 65520 || requestType == pktLineTypeFlush {
return nil, fail(ctx, "Protocol: format length error", "Pkt-Line format is wrong")
}
r.Data = make([]byte, r.Length-4)
for i := range r.Data {
r.Data[i], err = in.ReadByte()
if err != nil {
return nil, fail(ctx, "Protocol: data error", "Pkt-Line: read stdin failed : %v", err)
}
}
r.Type = pktLineTypeData
return r, nil
}
func writeFlushPktLine(ctx context.Context, out io.Writer) error {
l, err := out.Write([]byte("0000"))
if err != nil || l != 4 {
return fail(ctx, "Protocol: write error", "Pkt-Line response failed: %v", err)
}
return nil
}
func writeDataPktLine(ctx context.Context, out io.Writer, data []byte) error {
hexchar := []byte("0123456789abcdef")
hex := func(n uint64) byte {
return hexchar[(n)&15]
}
length := uint64(len(data) + 4)
tmp := make([]byte, 4)
tmp[0] = hex(length >> 12)
tmp[1] = hex(length >> 8)
tmp[2] = hex(length >> 4)
tmp[3] = hex(length)
lr, err := out.Write(tmp)
if err != nil || lr != 4 {
return fail(ctx, "Protocol: write error", "Pkt-Line response failed: %v", err)
}
lr, err = out.Write(data)
if err != nil || int(length-4) != lr {
return fail(ctx, "Protocol: write error", "Pkt-Line response failed: %v", err)
}
return nil
}