mirror of
https://github.com/warmbly/warmbly.git
synced 2026-09-10 16:04:55 +00:00
90 lines
2.2 KiB
Go
90 lines
2.2 KiB
Go
package releases
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"net/http"
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"sort"
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"time"
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)
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// Release is one GitHub release as the update surfaces read it.
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type Release struct {
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TagName string `json:"tag_name"`
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Name string `json:"name"`
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Prerelease bool `json:"prerelease"`
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Draft bool `json:"draft"`
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PublishedAt time.Time `json:"published_at"`
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HTMLURL string `json:"html_url"`
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}
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// FetchReleases lists the newest releases of owner/repo. token is optional and
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// only raises the unauthenticated rate limit.
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func FetchReleases(ctx context.Context, client *http.Client, repo, token string) ([]Release, error) {
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if repo == "" {
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return nil, errors.New("RELEASES_GITHUB_REPO not set")
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}
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if client == nil {
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client = &http.Client{Timeout: 15 * time.Second}
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}
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url := "https://api.github.com/repos/" + repo + "/releases?per_page=30"
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
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if err != nil {
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return nil, err
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}
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req.Header.Set("Accept", "application/vnd.github+json")
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req.Header.Set("X-GitHub-Api-Version", "2022-11-28")
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if token != "" {
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req.Header.Set("Authorization", "Bearer "+token)
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}
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resp, err := client.Do(req)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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body, _ := io.ReadAll(resp.Body)
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("github %d: %s", resp.StatusCode, truncate(string(body), 200))
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}
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var releases []Release
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if err := json.Unmarshal(body, &releases); err != nil {
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return nil, fmt.Errorf("decode: %w", err)
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}
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return releases, nil
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}
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// PickChannelHeads returns the most recent published release for each channel:
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// - stable: latest non-prerelease, non-draft
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// - dev: latest published (including prereleases)
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func PickChannelHeads(releases []Release) (stable, dev *Release) {
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sort.Slice(releases, func(i, j int) bool {
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return releases[i].PublishedAt.After(releases[j].PublishedAt)
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})
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for i := range releases {
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r := &releases[i]
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if r.Draft {
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continue
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}
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if dev == nil {
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dev = r
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}
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if !r.Prerelease && stable == nil {
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stable = r
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}
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if dev != nil && stable != nil {
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break
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}
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}
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return
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}
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func truncate(s string, n int) string {
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if len(s) <= n {
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return s
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}
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return s[:n] + "..."
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}
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