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package main |
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|
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import ( |
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"flag" |
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"fmt" |
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"log/slog" |
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"os" |
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"os/signal" |
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"syscall" |
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|
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"github.com/lain/larc/internal/server" |
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) |
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|
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/* larcs - larc server |
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* Serves repositories over HTTP with README rendering and Basic Auth. */ |
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|
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var ( |
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version = "0.1.0" |
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) |
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|
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func main() { |
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configPath := flag.String("config", "", "path to config file") |
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showVersion := flag.Bool("version", false, "show version") |
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host := flag.String("host", "", "override server host") |
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port := flag.Int("port", 0, "override server port") |
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flag.Parse() |
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|
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if *showVersion { |
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fmt.Printf("larcs version %s\n", version) |
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return |
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} |
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|
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/* load config */ |
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var cfg *server.Config |
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var err error |
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|
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if *configPath != "" { |
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cfg, err = server.LoadConfig(*configPath) |
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if err != nil { |
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slog.Error("failed to load config", "path", *configPath, "error", err) |
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os.Exit(1) |
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} |
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} else { |
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/* try default paths */ |
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paths := []string{ |
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"./larcs.yaml", |
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"./config.yaml", |
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"/etc/larcs/config.yaml", |
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os.ExpandEnv("$HOME/.larcs/config.yaml"), |
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} |
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|
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for _, p := range paths { |
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if _, err := os.Stat(p); err == nil { |
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cfg, err = server.LoadConfig(p) |
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if err == nil { |
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slog.Info("loaded config", "path", p) |
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break |
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} |
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} |
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} |
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|
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if cfg == nil { |
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slog.Info("no config file found, using defaults") |
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cfg = server.DefaultConfig() |
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} |
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} |
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|
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/* apply overrides */ |
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if *host != "" { |
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cfg.Server.Host = *host |
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} |
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if *port != 0 { |
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cfg.Server.Port = *port |
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} |
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|
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/* create server */ |
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srv, err := server.New(cfg) |
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if err != nil { |
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slog.Error("failed to create server", "error", err) |
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os.Exit(1) |
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} |
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|
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/* handle shutdown */ |
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sigChan := make(chan os.Signal, 1) |
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signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM) |
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|
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go func() { |
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<-sigChan |
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slog.Info("shutting down...") |
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srv.Shutdown() |
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}() |
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|
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/* start server */ |
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if err := srv.Start(); err != nil { |
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slog.Error("server error", "error", err) |
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os.Exit(1) |
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} |
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} |
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|