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brew.go
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brew.go
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// Package brew implements the Pipe, providing formula generation and
// uploading it to a configured repo.
package brew
import (
"bytes"
"errors"
"fmt"
"path/filepath"
"strings"
"text/template"
"github.com/apex/log"
"github.com/goreleaser/goreleaser/checksum"
"github.com/goreleaser/goreleaser/config"
"github.com/goreleaser/goreleaser/context"
"github.com/goreleaser/goreleaser/internal/archiveformat"
"github.com/goreleaser/goreleaser/internal/client"
"github.com/goreleaser/goreleaser/pipeline"
)
// ErrNoDarwin64Build when there is no build for darwin_amd64 (goos doesn't
// contain darwin and/or goarch doesn't contain amd64)
var ErrNoDarwin64Build = errors.New("brew tap requires a darwin amd64 build")
const platform = "darwinamd64"
// Pipe for brew deployment
type Pipe struct{}
func (Pipe) String() string {
return "creating homebrew formula"
}
// Run the pipe
func (Pipe) Run(ctx *context.Context) error {
client, err := client.NewGitHub(ctx)
if err != nil {
return err
}
return doRun(ctx, client)
}
// Default sets the pipe defaults
func (Pipe) Default(ctx *context.Context) error {
if ctx.Config.Brew.Install == "" {
var installs []string
for _, build := range ctx.Config.Builds {
if !isBrewBuild(build) {
continue
}
installs = append(
installs,
fmt.Sprintf(`bin.install "%s"`, build.Binary),
)
}
ctx.Config.Brew.Install = strings.Join(installs, "\n")
}
if ctx.Config.Brew.CommitAuthor.Name == "" {
ctx.Config.Brew.CommitAuthor.Name = "goreleaserbot"
}
if ctx.Config.Brew.CommitAuthor.Email == "" {
ctx.Config.Brew.CommitAuthor.Email = "goreleaser@carlosbecker.com"
}
return nil
}
func isBrewBuild(build config.Build) bool {
for _, ignore := range build.Ignore {
if ignore.Goos == "darwin" && ignore.Goarch == "amd64" {
return false
}
}
return contains(build.Goos, "darwin") && contains(build.Goarch, "amd64")
}
func contains(ss []string, s string) bool {
for _, zs := range ss {
if zs == s {
return true
}
}
return false
}
func doRun(ctx *context.Context, client client.Client) error {
if !ctx.Publish {
return pipeline.Skip("--skip-publish is set")
}
if ctx.Config.Brew.GitHub.Name == "" {
return pipeline.Skip("brew section is not configured")
}
if ctx.Config.Release.Draft {
return pipeline.Skip("release is marked as draft")
}
if ctx.Config.Archive.Format == "binary" {
return pipeline.Skip("archive format is binary")
}
var group = ctx.Binaries["darwinamd64"]
if group == nil {
return ErrNoDarwin64Build
}
var folder string
for f := range group {
folder = f
break
}
var path = filepath.Join(ctx.Config.Brew.Folder, ctx.Config.ProjectName+".rb")
log.WithField("formula", path).
WithField("repo", ctx.Config.Brew.GitHub.String()).
Info("pushing")
content, err := buildFormula(ctx, client, folder)
if err != nil {
return err
}
return client.CreateFile(ctx, content, path)
}
func buildFormula(ctx *context.Context, client client.Client, folder string) (bytes.Buffer, error) {
data, err := dataFor(ctx, client, folder)
if err != nil {
return bytes.Buffer{}, err
}
return doBuildFormula(data)
}
func doBuildFormula(data templateData) (out bytes.Buffer, err error) {
tmpl, err := template.New(data.Name).Parse(formulaTemplate)
if err != nil {
return out, err
}
err = tmpl.Execute(&out, data)
return
}
func dataFor(ctx *context.Context, client client.Client, folder string) (result templateData, err error) {
var file = folder + "." + archiveformat.For(ctx, platform)
sum, err := checksum.SHA256(filepath.Join(ctx.Config.Dist, file))
if err != nil {
return
}
var url = "https://github.com"
if ctx.Config.GitHubURLs.Download != "" {
url = ctx.Config.GitHubURLs.Download
}
return templateData{
Name: formulaNameFor(ctx.Config.ProjectName),
DownloadURL: url,
Desc: ctx.Config.Brew.Description,
Homepage: ctx.Config.Brew.Homepage,
Repo: ctx.Config.Release.GitHub,
Tag: ctx.Git.CurrentTag,
Version: ctx.Version,
Caveats: ctx.Config.Brew.Caveats,
File: file,
SHA256: sum,
Dependencies: ctx.Config.Brew.Dependencies,
Conflicts: ctx.Config.Brew.Conflicts,
Plist: ctx.Config.Brew.Plist,
Install: split(ctx.Config.Brew.Install),
Tests: split(ctx.Config.Brew.Test),
}, nil
}
func split(s string) []string {
return strings.Split(strings.TrimSpace(s), "\n")
}
func formulaNameFor(name string) string {
name = strings.Replace(name, "-", " ", -1)
name = strings.Replace(name, "_", " ", -1)
return strings.Replace(strings.Title(name), " ", "", -1)
}