/
main.go
162 lines (135 loc) · 3.38 KB
/
main.go
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package main
import (
"log"
"os"
"path/filepath"
"sync"
"time"
"golang.org/x/oauth2"
"github.com/blang/semver"
"github.com/docopt/docopt.go"
"github.com/google/go-github/github"
)
const (
usage = `release.
Usage:
release <org> <repo> <assets>...
[--tag <tag>]
[--token <token>]
[--name <name>]
[--body <body>]
[--draft]
[--prerelease]
release -h | --help
release --version
Options:
-h --help Show this screen.
--version Show version.
--token <token> Github Token. Checks $GITHUB_TOKEN if not provided. [default: ]
--tag <tag> Git tag. Uses latest published tag if not provided. [default: ]
--name <name> Release name. Uses tag if not provided. [default: ]
--body <body> Release body. Empty by default. [default: ]
--draft Identify the release as a draft.
--prerelease Identify the release as a prerelease.
`
version = "0.1.1"
)
func main() {
args, err := docopt.Parse(usage, nil, true, version, false)
if err != nil {
panic(err)
}
// Grab inputs.
org := args["<org>"].(string)
repo := args["<repo>"].(string)
assets := args["<assets>"].([]string)
token := args["--token"].(string)
if token == "" {
token = os.Getenv("GITHUB_TOKEN")
if token == "" {
log.Fatal("github token is required")
}
}
client := newGithub(token)
tag := args["--tag"].(string)
if tag == "" {
tag = latestTag(client, org, repo)
}
name := args["--name"].(string)
if name == "" {
name = tag
}
body := args["--body"].(string)
draft := args["--draft"].(bool)
prerelease := args["--prerelease"].(bool)
log.Printf("Creating release %q for %s/%s with tag %s.\n", name, org, repo, tag)
// Create the release.
release, _, err := client.Repositories.CreateRelease(org, repo, &github.RepositoryRelease{
Name: &name,
Draft: &draft,
Prerelease: &prerelease,
TagName: &tag,
Body: &body,
})
if err != nil {
panic(err)
}
log.Println("Created release", *release.ID)
var wg sync.WaitGroup
for _, asset := range assets {
wg.Add(1)
go func(asset string) {
defer wg.Done()
file, err := os.Open(asset)
if err != nil {
log.Println("[error] could not open", asset, err)
return
}
log.Println("Uploading asset", asset)
_, name := filepath.Split(asset)
start := time.Now()
_, _, err = client.Repositories.UploadReleaseAsset(org, repo, *release.ID, &github.UploadOptions{name}, file)
if err != nil {
log.Println("[error] could not upload", asset, err)
return
}
elapsed := time.Since(start)
log.Printf("Uploaded asset %s in %s\n", asset, elapsed)
}(asset)
}
wg.Wait()
}
func newGithub(token string) *github.Client {
ts := oauth2.StaticTokenSource(
&oauth2.Token{AccessToken: token},
)
tc := oauth2.NewClient(oauth2.NoContext, ts)
return github.NewClient(tc)
}
func latestTag(client *github.Client, org, name string) string {
opt := &github.ListOptions{PerPage: 100}
latest, err := semver.Make("0.0.1")
if err != nil {
panic(err)
}
for {
newTags, resp, err := client.Repositories.ListTags(org, name, opt)
if err != nil {
panic(err)
}
for _, tag := range newTags {
version, err := semver.Make(*tag.Name)
if err != nil {
continue
}
if version.Compare(latest) > 0 {
latest = version
}
}
if resp.NextPage == 0 {
break
}
opt.Page = resp.NextPage
}
return latest.String()
}