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Replace Node.js + Python codebase with three Go binaries: - claude-statusline: CLI status bar for Claude Code - claude-fetcher: standalone cron job for API usage - claude-widget: system tray icon (fyne-io/systray + fogleman/gg) All CGO-free for trivial cross-compilation. Add nfpm .deb packaging with autostart and cron. CI pipeline produces Linux + Windows binaries, .deb, .tar.gz, and .zip release assets. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
121 lines
2.5 KiB
Go
121 lines
2.5 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"math"
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"os"
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"strconv"
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"strings"
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"time"
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"git.davoryn.de/calic/claude-statusline/internal/fetcher"
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)
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const (
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filledBlock = "\u2593"
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lightBlock = "\u2591"
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)
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// stdinData is the JSON structure from Claude Code's stdin.
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type stdinData struct {
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ContextWindow struct {
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UsedPercentage float64 `json:"used_percentage"`
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} `json:"context_window"`
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}
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func bar(pct float64, width int) string {
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pct = math.Max(0, math.Min(100, pct))
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filled := int(math.Floor(pct / (100.0 / float64(width))))
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return strings.Repeat(filledBlock, filled) + strings.Repeat(lightBlock, width-filled)
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}
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func getContextPart(data *stdinData) string {
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if data == nil {
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return ""
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}
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pct := data.ContextWindow.UsedPercentage
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return fmt.Sprintf("Context %s %d%%", bar(pct, 10), int(pct))
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}
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func formatMinutes(isoStr string) string {
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if isoStr == "" {
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return ""
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}
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t, err := time.Parse(time.RFC3339, isoStr)
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if err != nil {
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return ""
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}
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mins := int(math.Max(0, time.Until(t).Minutes()))
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return fmt.Sprintf("%dM", mins)
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}
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func getUsagePart(data *fetcher.CacheData) string {
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if data == nil {
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return ""
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}
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if data.Error != "" {
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switch data.Error {
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case "auth_expired":
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return "Token: session expired"
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case "no_session_key":
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return ""
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default:
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return "Token: error"
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}
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}
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var parts []string
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if data.FiveHour != nil && data.FiveHour.Utilization > 0 {
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pct := data.FiveHour.Utilization
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s := fmt.Sprintf("Token %s %d%%", bar(pct, 10), int(math.Round(pct)))
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if mins := formatMinutes(data.FiveHour.ResetsAt); mins != "" {
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s += " " + mins
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}
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parts = append(parts, s)
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}
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if data.SevenDay != nil && data.SevenDay.Utilization > 20 {
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parts = append(parts, fmt.Sprintf("7d %d%%", int(math.Round(data.SevenDay.Utilization))))
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}
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return strings.Join(parts, " | ")
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}
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func main() {
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// Read stdin (context window data from Claude Code)
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var input stdinData
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var hasInput bool
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dec := json.NewDecoder(os.Stdin)
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if err := dec.Decode(&input); err == nil {
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hasInput = true
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}
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// Read cache
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maxAge := 900 * time.Second
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if v := os.Getenv("CLAUDE_USAGE_MAX_AGE"); v != "" {
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if secs, err := strconv.Atoi(v); err == nil {
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maxAge = time.Duration(secs) * time.Second
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}
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}
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cache := fetcher.ReadCacheIfFresh(maxAge)
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// Build output
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var parts []string
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if hasInput {
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if ctx := getContextPart(&input); ctx != "" {
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parts = append(parts, ctx)
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}
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}
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if usage := getUsagePart(cache); usage != "" {
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parts = append(parts, usage)
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}
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if len(parts) > 0 {
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fmt.Println(strings.Join(parts, " | "))
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}
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}
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