forked from owenthereal/gh
/
release.go
224 lines (177 loc) · 5.81 KB
/
release.go
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package commands
import (
"bytes"
"fmt"
"github.com/jingweno/gh/github"
"github.com/jingweno/gh/utils"
"github.com/jingweno/go-octokit/octokit"
"io"
"net/http"
"os"
"path/filepath"
"strings"
"sync"
"sync/atomic"
)
var (
cmdRelease = &Command{
Run: release,
Usage: "release",
Short: "Retrieve releases from GitHub",
Long: `Retrieves releases from GitHub for the project that the "origin" remote points to.`}
cmdCreateRelease = &Command{
Key: "create",
Run: createRelease,
Usage: "release create [-d] [-p] [-a <ASSETS_DIR>] [-m <MESSAGE>|-f <FILE>] <TAG>",
Short: "Create a new release in GitHub",
Long: `Creates a new release in GitHub for the project that the "origin" remote points to.
It requires the name of the tag to release as a first argument.
Specify the assets to include in the release from a directory via "-a". Without
"-a", it finds assets from "releases/TAG" of the current directory.
Without <MESSAGE> or <FILE>, a text editor will open in which title and body
of the release can be entered in the same manner as git commit message.
If "-d" is given, it creates a draft release.
If "-p" is given, it creates a pre-release.
`}
flagReleaseDraft,
flagReleasePrerelease bool
flagReleaseAssetsDir,
flagReleaseMessage,
flagReleaseFile string
)
func init() {
cmdCreateRelease.Flag.BoolVarP(&flagReleaseDraft, "draft", "d", false, "DRAFT")
cmdCreateRelease.Flag.BoolVarP(&flagReleasePrerelease, "prerelease", "p", false, "PRERELEASE")
cmdCreateRelease.Flag.StringVarP(&flagReleaseAssetsDir, "assets", "a", "", "ASSETS_DIR")
cmdCreateRelease.Flag.StringVarP(&flagReleaseMessage, "message", "m", "", "MESSAGE")
cmdCreateRelease.Flag.StringVarP(&flagReleaseFile, "file", "f", "", "FILE")
cmdRelease.Use(cmdCreateRelease)
CmdRunner.Use(cmdRelease)
}
func release(cmd *Command, args *Args) {
runInLocalRepo(func(localRepo *github.GitHubRepo, project *github.Project, gh *github.Client) {
if args.Noop {
fmt.Printf("Would request list of releases for %s\n", project)
} else {
releases, err := gh.Releases(project)
utils.Check(err)
var outputs []string
for _, release := range releases {
out := fmt.Sprintf("%s (%s)\n%s", release.Name, release.TagName, release.Body)
outputs = append(outputs, out)
}
fmt.Println(strings.Join(outputs, "\n\n"))
}
})
}
func createRelease(cmd *Command, args *Args) {
if args.IsParamsEmpty() {
utils.Check(fmt.Errorf("Missed argument TAG"))
return
}
tag := args.LastParam()
assetsDir, err := getAssetsDirectory(flagReleaseAssetsDir, tag)
utils.Check(err)
runInLocalRepo(func(localRepo *github.GitHubRepo, project *github.Project, gh *github.Client) {
currentBranch, err := localRepo.CurrentBranch()
utils.Check(err)
branchName := currentBranch.ShortName()
title, body, err := getTitleAndBodyFromFlags(flagReleaseMessage, flagReleaseFile)
utils.Check(err)
if title == "" {
title, body, err = writeReleaseTitleAndBody(project, tag, branchName)
utils.Check(err)
}
params := octokit.ReleaseParams{
TagName: tag,
TargetCommitish: branchName,
Name: title,
Body: body,
Draft: flagReleaseDraft,
Prerelease: flagReleasePrerelease}
finalRelease, err := gh.CreateRelease(project, params)
utils.Check(err)
uploadReleaseAssets(gh, finalRelease, assetsDir)
fmt.Printf("\n\nRelease created: %s", finalRelease.HTMLURL)
})
}
func writeReleaseTitleAndBody(project *github.Project, tag, currentBranch string) (string, string, error) {
message := `
# Creating release %s for %s from %s
#
# Write a message for this release. The first block
# of the text is the title and the rest is description.
`
message = fmt.Sprintf(message, tag, project.Name, currentBranch)
editor, err := github.NewEditor("RELEASE", message)
if err != nil {
return "", "", err
}
return editor.EditTitleAndBody()
}
func getAssetsDirectory(assetsDir, tag string) (string, error) {
if assetsDir == "" {
pwd, err := os.Getwd()
utils.Check(err)
assetsDir = filepath.Join(pwd, "releases", tag)
}
if !isDir(assetsDir) {
return "", fmt.Errorf("The assets directory doesn't exist: %s", assetsDir)
}
if isEmptyDir(assetsDir) {
return "", fmt.Errorf("The assets directory is empty: %s", assetsDir)
}
return assetsDir, nil
}
func uploadReleaseAssets(gh *github.Client, release *octokit.Release, assetsDir string) {
var wg sync.WaitGroup
var totalAssets, countAssets uint64
filepath.Walk(assetsDir, func(path string, fi os.FileInfo, err error) error {
if !fi.IsDir() {
totalAssets += 1
}
return nil
})
printUploadProgress(&countAssets, totalAssets)
filepath.Walk(assetsDir, func(path string, fi os.FileInfo, err error) error {
if !fi.IsDir() {
wg.Add(1)
go func() {
defer func() {
atomic.AddUint64(&countAssets, uint64(1))
printUploadProgress(&countAssets, totalAssets)
wg.Done()
}()
uploadUrl, err := release.UploadURL.Expand(octokit.M{"name": fi.Name()})
utils.Check(err)
contentType := detectContentType(path, fi)
file, err := os.Open(path)
utils.Check(err)
defer file.Close()
err = gh.UploadReleaseAsset(uploadUrl, file, contentType)
utils.Check(err)
}()
}
return nil
})
wg.Wait()
}
func detectContentType(path string, fi os.FileInfo) string {
file, err := os.Open(path)
utils.Check(err)
defer file.Close()
fileHeader := &bytes.Buffer{}
headerSize := int64(512)
if fi.Size() < headerSize {
headerSize = fi.Size()
}
// The content type detection only uses 512 bytes at most.
// This way we avoid copying the whole content for big files.
_, err = io.CopyN(fileHeader, file, headerSize)
utils.Check(err)
return http.DetectContentType(fileHeader.Bytes())
}
func printUploadProgress(count *uint64, total uint64) {
out := fmt.Sprintf("Uploading assets (%d/%d)", atomic.LoadUint64(count), total)
fmt.Print("\r" + out)
}