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brew.go
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brew.go
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package brew
import (
"bytes"
"errors"
"fmt"
"io/ioutil"
"path"
"path/filepath"
"reflect"
"strings"
"text/template"
"github.com/apex/log"
"github.com/goreleaser/goreleaser/internal/artifact"
"github.com/goreleaser/goreleaser/internal/client"
"github.com/goreleaser/goreleaser/internal/deprecate"
"github.com/goreleaser/goreleaser/internal/pipe"
"github.com/goreleaser/goreleaser/internal/tmpl"
"github.com/goreleaser/goreleaser/pkg/config"
"github.com/goreleaser/goreleaser/pkg/context"
)
// ErrNoArchivesFound happens when 0 archives are found
var ErrNoArchivesFound = errors.New("no linux/macos archives found")
// ErrMultipleArchivesSameOS happens when the config yields multiple archives
// for linux or windows.
var ErrMultipleArchivesSameOS = errors.New("one tap can handle only archive of an OS/Arch combination. Consider using ids in the brew section")
// ErrTokenTypeNotImplementedForBrew indicates that a new token type was not implemented for this pipe
var ErrTokenTypeNotImplementedForBrew = errors.New("token type not implemented for brew pipe")
// Pipe for brew deployment
type Pipe struct{}
func (Pipe) String() string {
return "homebrew tap formula"
}
// Publish brew formula
func (Pipe) Publish(ctx *context.Context) error {
client, err := client.New(ctx)
if err != nil {
return err
}
for _, brew := range ctx.Config.Brews {
if err := doRun(ctx, brew, client); err != nil {
return err
}
}
return nil
}
// Default sets the pipe defaults
func (Pipe) Default(ctx *context.Context) error {
if len(ctx.Config.Brews) == 0 {
ctx.Config.Brews = append(ctx.Config.Brews, ctx.Config.Brew)
if !reflect.DeepEqual(ctx.Config.Brew, config.Homebrew{}) {
deprecate.Notice("brew")
}
}
for i := range ctx.Config.Brews {
var brew = &ctx.Config.Brews[i]
if brew.Install == "" {
// TODO: maybe replace this with a simplear also optimistic
// approach of just doing `bin.install "project_name"`?
var installs []string
for _, build := range ctx.Config.Builds {
if !isBrewBuild(build) {
continue
}
installs = append(
installs,
fmt.Sprintf(`bin.install "%s"`, build.Binary),
)
}
brew.Install = strings.Join(installs, "\n")
log.Warnf("optimistically guessing `brew[%d].installs`, double check", i)
}
if brew.CommitAuthor.Name == "" {
brew.CommitAuthor.Name = "goreleaserbot"
}
if brew.CommitAuthor.Email == "" {
brew.CommitAuthor.Email = "goreleaser@carlosbecker.com"
}
if brew.Name == "" {
brew.Name = ctx.Config.ProjectName
}
if brew.Goarm == "" {
brew.Goarm = "6"
}
}
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, brew config.Homebrew, client client.Client) error {
if brew.GitHub.Name == "" && brew.GitLab.Name == "" {
return pipe.Skip("brew section is not configured")
}
// TODO: properly cover this with tests
var filters = []artifact.Filter{
artifact.Or(
artifact.ByGoos("darwin"),
artifact.ByGoos("linux"),
),
artifact.ByFormats("zip", "tar.gz"),
artifact.Or(
artifact.ByGoarch("amd64"),
artifact.ByGoarch("arm64"),
artifact.And(
artifact.ByGoarch("arm"),
artifact.ByGoarm(brew.Goarm),
),
),
artifact.ByType(artifact.UploadableArchive),
}
if len(brew.IDs) > 0 {
filters = append(filters, artifact.ByIDs(brew.IDs...))
}
var archives = ctx.Artifacts.Filter(artifact.And(filters...)).List()
if len(archives) == 0 {
return ErrNoArchivesFound
}
content, err := buildFormula(ctx, brew, ctx.TokenType, archives)
if err != nil {
return err
}
var filename = brew.Name + ".rb"
var path = filepath.Join(ctx.Config.Dist, filename)
log.WithField("formula", path).Info("writing")
if err := ioutil.WriteFile(path, []byte(content), 0644); err != nil {
return err
}
if strings.TrimSpace(brew.SkipUpload) == "true" {
return pipe.Skip("brew.skip_upload is set")
}
if ctx.SkipPublish {
return pipe.ErrSkipPublishEnabled
}
if strings.TrimSpace(brew.SkipUpload) == "auto" && ctx.Semver.Prerelease != "" {
return pipe.Skip("prerelease detected with 'auto' upload, skipping homebrew publish")
}
var repo config.Repo
switch ctx.TokenType {
case context.TokenTypeGitHub:
repo = brew.GitHub
case context.TokenTypeGitLab:
repo = brew.GitLab
default:
return ErrTokenTypeNotImplementedForBrew
}
var gpath = buildFormulaPath(brew.Folder, filename)
log.WithField("formula", gpath).
WithField("repo", repo.String()).
Info("pushing")
var msg = fmt.Sprintf("Brew formula update for %s version %s", ctx.Config.ProjectName, ctx.Git.CurrentTag)
return client.CreateFile(ctx, brew.CommitAuthor, repo, []byte(content), gpath, msg)
}
func buildFormulaPath(folder, filename string) string {
return path.Join(folder, filename)
}
func buildFormula(ctx *context.Context, brew config.Homebrew, tokenType context.TokenType, artifacts []*artifact.Artifact) (string, error) {
data, err := dataFor(ctx, brew, tokenType, artifacts)
if err != nil {
return "", err
}
return doBuildFormula(ctx, data)
}
func doBuildFormula(ctx *context.Context, data templateData) (string, error) {
t, err := template.New(data.Name).Parse(formulaTemplate)
if err != nil {
return "", err
}
var out bytes.Buffer
if err := t.Execute(&out, data); err != nil {
return "", err
}
return tmpl.New(ctx).Apply(out.String())
}
func dataFor(ctx *context.Context, cfg config.Homebrew, tokenType context.TokenType, artifacts []*artifact.Artifact) (templateData, error) {
var result = templateData{
Name: formulaNameFor(cfg.Name),
Desc: cfg.Description,
Homepage: cfg.Homepage,
Version: ctx.Version,
Caveats: split(cfg.Caveats),
Dependencies: cfg.Dependencies,
Conflicts: cfg.Conflicts,
Plist: cfg.Plist,
Install: split(cfg.Install),
Tests: split(cfg.Test),
DownloadStrategy: cfg.DownloadStrategy,
CustomRequire: cfg.CustomRequire,
CustomBlock: split(cfg.CustomBlock),
}
for _, artifact := range artifacts {
sum, err := artifact.Checksum("sha256")
if err != nil {
return result, err
}
if cfg.URLTemplate == "" {
switch tokenType {
case context.TokenTypeGitHub:
cfg.URLTemplate = fmt.Sprintf(
"%s/%s/%s/releases/download/{{ .Tag }}/{{ .ArtifactName }}",
ctx.Config.GitHubURLs.Download,
ctx.Config.Release.GitHub.Owner,
ctx.Config.Release.GitHub.Name,
)
case context.TokenTypeGitLab:
cfg.URLTemplate = fmt.Sprintf(
"%s/%s/%s/uploads/{{ .ArtifactUploadHash }}/{{ .ArtifactName }}",
ctx.Config.GitLabURLs.Download,
ctx.Config.Release.GitLab.Owner,
ctx.Config.Release.GitLab.Name,
)
default:
return result, ErrTokenTypeNotImplementedForBrew
}
}
url, err := tmpl.New(ctx).WithArtifact(artifact, map[string]string{}).Apply(cfg.URLTemplate)
if err != nil {
return result, err
}
var down = downloadable{
DownloadURL: url,
SHA256: sum,
}
if artifact.Goos == "darwin" {
if result.MacOS.DownloadURL != "" {
return result, ErrMultipleArchivesSameOS
}
result.MacOS = down
} else if artifact.Goos == "linux" {
switch artifact.Goarch {
case "386", "amd64":
if result.Linux.DownloadURL != "" {
return result, ErrMultipleArchivesSameOS
}
result.Linux = down
case "arm":
if result.Arm.DownloadURL != "" {
return result, ErrMultipleArchivesSameOS
}
result.Arm = down
case "arm64":
if result.Arm64.DownloadURL != "" {
return result, ErrMultipleArchivesSameOS
}
result.Arm64 = down
}
}
}
return result, nil
}
func split(s string) []string {
strings := strings.Split(strings.TrimSpace(s), "\n")
if len(strings) == 1 && strings[0] == "" {
return []string{}
}
return strings
}
func formulaNameFor(name string) string {
name = strings.Replace(name, "-", " ", -1)
name = strings.Replace(name, "_", " ", -1)
return strings.Replace(strings.Title(name), " ", "", -1)
}