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Fully auto-generate the download page
Based on the OS/arch combos we actually have
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,182 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "cmp" | ||
| "encoding/json" | ||
| "log" | ||
| "net/http" | ||
| "os" | ||
| "slices" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "gopkg.in/yaml.v3" | ||
| ) | ||
|
|
||
| type githubRelease struct { | ||
| HTMLURL string `json:"html_url"` | ||
| Body string `json:"body"` | ||
| TagName string `json:"tag_name"` | ||
| PublishedAt time.Time `json:"published_at"` | ||
| Assets []struct { | ||
| Name string `json:"name"` | ||
| Size int `json:"size"` | ||
| BrowserDownloadURL string `json:"browser_download_url"` | ||
| } | ||
| } | ||
|
|
||
| type downloadPage struct { | ||
| Version string | ||
| OSes []downloadOS | ||
| } | ||
|
|
||
| type downloadOS struct { | ||
| OS string | ||
| Assets []downloadAsset | ||
| } | ||
|
|
||
| type downloadAsset struct { | ||
| Name string | ||
| Size int | ||
| URL string | ||
| Arch string | ||
|
|
||
| os string | ||
| osWeight int | ||
| archWeight int | ||
| } | ||
|
|
||
| func main() { | ||
| // Load the latest release from GitHub | ||
| res, err := http.Get("https://api.github.com/repos/syncthing/syncthing/releases/latest") | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| defer res.Body.Close() | ||
| var rel githubRelease | ||
| err = json.NewDecoder(res.Body).Decode(&rel) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
|
|
||
| // Filter the assets to actual binary Syncthing packages | ||
| var filtered []downloadAsset | ||
| for _, a := range rel.Assets { | ||
| parts := strings.SplitN(a.Name, "-", 4) | ||
| if len(parts) != 4 { | ||
| continue | ||
| } | ||
| if parts[0] != "syncthing" { | ||
| continue | ||
| } | ||
| filtered = append(filtered, downloadAsset{ | ||
| Name: a.Name, | ||
| Size: a.Size, | ||
| URL: a.BrowserDownloadURL, | ||
| Arch: humanReadableArch(parts[2]), | ||
|
|
||
| os: humanReadableOS(parts[1]), | ||
| osWeight: osWeight(parts[1]), | ||
| archWeight: archWeight(parts[2]), | ||
| }) | ||
| } | ||
|
|
||
| // Sort by operating system and architecture | ||
| slices.SortFunc(filtered, func(a, b downloadAsset) int { | ||
| if a.osWeight != b.osWeight { | ||
| return a.osWeight - b.osWeight | ||
| } | ||
| if a.archWeight != b.archWeight { | ||
| return a.archWeight - b.archWeight | ||
| } | ||
| return cmp.Compare(a.Name, b.Name) | ||
| }) | ||
|
|
||
| // Group by OS | ||
| p := downloadPage{ | ||
| Version: rel.TagName, | ||
| } | ||
| for _, a := range filtered { | ||
| if len(p.OSes) == 0 || p.OSes[len(p.OSes)-1].OS != a.os { | ||
| p.OSes = append(p.OSes, downloadOS{ | ||
| OS: a.os, | ||
| }) | ||
| } | ||
| p.OSes[len(p.OSes)-1].Assets = append(p.OSes[len(p.OSes)-1].Assets, a) | ||
| } | ||
|
|
||
| // Produce the yaml for the release page | ||
| bs, err := yaml.Marshal(p) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| os.Stdout.Write(bs) | ||
| } | ||
|
|
||
| func osWeight(os string) int { | ||
| switch os { | ||
| case "windows": | ||
| return 1 | ||
| case "linux": | ||
| return 2 | ||
| case "macos": | ||
| return 3 | ||
| case "freebsd": | ||
| return 4 | ||
| case "openbsd": | ||
| return 5 | ||
| case "netbsd": | ||
| return 6 | ||
| } | ||
| return 9 | ||
| } | ||
|
|
||
| func archWeight(arch string) int { | ||
| // First universal, then 64 bit common archs, then 32 bit common archs, | ||
| // then the rest | ||
| switch arch { | ||
| case "universal": | ||
| return 0 | ||
| case "amd64": | ||
| return 1 | ||
| case "arm64": | ||
| return 2 | ||
| case "386": | ||
| return 3 | ||
| case "arm": | ||
| return 4 | ||
| case "loong64": | ||
| return 10 | ||
| } | ||
| return 9 | ||
| } | ||
|
|
||
| func humanReadableOS(os string) string { | ||
| // Special cases | ||
| switch os { | ||
| case "macos": | ||
| return "macOS" | ||
| } | ||
|
|
||
| // Capitalise the first letter | ||
| os = strings.ToUpper(os[:1]) + os[1:] | ||
| // Known initialisms | ||
| os = strings.Replace(os, "bsd", "BSD", -1) | ||
| return os | ||
| } | ||
|
|
||
| func humanReadableArch(arch string) string { | ||
| switch arch { | ||
| case "386": | ||
| return "Intel/AMD (32-bit)" | ||
| case "amd64": | ||
| return "Intel/AMD (64-bit)" | ||
| case "arm": | ||
| return "ARM (32-bit)" | ||
| case "arm64": | ||
| return "ARM (64-bit)" | ||
| case "universal": | ||
| return "Universal" | ||
| } | ||
| return strings.ToUpper(arch) | ||
| } |
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