mirror of
https://github.com/MedzikUser/go-github-selfupdate.git
synced 2024-08-15 03:25:29 +00:00
111 lines
3.2 KiB
Go
111 lines
3.2 KiB
Go
package selfupdate
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import (
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"fmt"
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"regexp"
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"runtime"
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"strings"
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"github.com/blang/semver"
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"github.com/google/go-github/github"
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)
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var reVersion = regexp.MustCompile(`\d+\.\d+\.\d+`)
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func findSuitableReleaseAndAsset(rels []*github.RepositoryRelease) (*github.RepositoryRelease, *github.ReleaseAsset, bool) {
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// Generate candidates
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cs := make([]string, 0, 8)
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for _, sep := range []rune{'_', '-'} {
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for _, ext := range []string{".zip", ".tar.gz", ".gzip", ".gz", ".tar.xz", ".xz", ""} {
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suffix := fmt.Sprintf("%s%c%s%s", runtime.GOOS, sep, runtime.GOARCH, ext)
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cs = append(cs, suffix)
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if runtime.GOOS == "windows" {
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suffix = fmt.Sprintf("%s%c%s.exe%s", runtime.GOOS, sep, runtime.GOARCH, ext)
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cs = append(cs, suffix)
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}
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}
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}
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for _, rel := range rels {
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if rel.GetDraft() {
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log.Println("Skip draft version", rel.GetTagName())
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continue
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}
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if rel.GetPrerelease() {
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log.Println("Skip pre-release version", rel.GetTagName())
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continue
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}
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if !reVersion.MatchString(rel.GetTagName()) {
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log.Println("Skip version not adopting semver", rel.GetTagName())
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continue
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}
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for _, asset := range rel.Assets {
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name := asset.GetName()
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for _, c := range cs {
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if strings.HasSuffix(name, c) {
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return rel, &asset, true
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}
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}
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}
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}
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log.Println("Could no find any release for", runtime.GOOS, "and", runtime.GOARCH)
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return nil, nil, false
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}
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// DetectLatest tries to get the latest version of the repository on GitHub. 'slug' means 'owner/name' formatted string.
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func (up *Updater) DetectLatest(slug string) (release *Release, found bool, err error) {
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repo := strings.Split(slug, "/")
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if len(repo) != 2 || repo[0] == "" || repo[1] == "" {
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err = fmt.Errorf("Invalid slug format. It should be 'owner/name': %s", slug)
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return
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}
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rels, res, err := up.api.Repositories.ListReleases(up.apiCtx, repo[0], repo[1], nil)
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if err != nil {
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log.Println("API returned an error response:", err)
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if res != nil && res.StatusCode == 404 {
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// 404 means repository not found or release not found. It's not an error here.
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found = false
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err = nil
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log.Println("API returned 404. Repository or release not found")
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}
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return
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}
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rel, asset, found := findSuitableReleaseAndAsset(rels)
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if !found {
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return
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}
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tag := rel.GetTagName()
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url := asset.GetBrowserDownloadURL()
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log.Println("Successfully fetched the latest release. tag:", tag, ", name:", rel.GetName(), ", URL:", rel.GetURL(), ", Asset:", url)
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// Strip version prefix
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if indices := reVersion.FindStringIndex(tag); indices != nil && indices[0] > 0 {
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log.Println("Strip prefix of version:", tag[:indices[0]])
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tag = tag[indices[0]:]
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}
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publishedAt := rel.GetPublishedAt().Time
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release = &Release{
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AssetURL: url,
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AssetByteSize: asset.GetSize(),
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AssetID: asset.GetID(),
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URL: rel.GetHTMLURL(),
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ReleaseNotes: rel.GetBody(),
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Name: rel.GetName(),
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PublishedAt: &publishedAt,
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RepoOwner: repo[0],
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RepoName: repo[1],
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}
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release.Version, err = semver.Make(tag)
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return
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}
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// DetectLatest detects the latest release of the slug (owner/repo).
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func DetectLatest(slug string) (*Release, bool, error) {
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return DefaultUpdater().DetectLatest(slug)
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}
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