61 lines
1.7 KiB
Go
61 lines
1.7 KiB
Go
package main
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import (
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cfg "github.com/grmrgecko/repo-sync/config"
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"github.com/grmrgecko/repo-sync/fetch"
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log "github.com/sirupsen/logrus"
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)
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// main parses the command line, installs the configuration every command
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// shares, and dispatches to the selected command.
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func main() {
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ctx := ParseFlags()
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if err := cfg.Init(flags.ConfigPath); err != nil {
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log.Fatal(err)
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}
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applyGlobalFlags()
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err := ctx.Run()
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ctx.FatalIfErrorf(err)
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}
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// applyGlobalFlags overrides the loaded configuration with the global
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// command line flags, then reapplies the settings derived from it. It also
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// runs after a SIGHUP reload so the flags keep winning over the file.
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func applyGlobalFlags() {
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if flags.LogLevel != "" {
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cfg.C.Log.Level = flags.LogLevel
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}
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if flags.UserAgent != "" {
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cfg.C.Crawler.UserAgent = flags.UserAgent
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}
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if flags.RequestTimeout > 0 {
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cfg.C.Crawler.RequestTimeout = flags.RequestTimeout
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}
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applyTraceFlags()
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cfg.SetupLogging(cfg.C.Log)
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fetch.Reload()
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}
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// applyTraceFlags overlays the trace command line flags onto the loaded
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// configuration. Each flag is empty when unset so the configured value
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// stands, matching how the other global overrides behave.
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func applyTraceFlags() {
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if flags.Trace != nil {
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cfg.C.Trace.Enabled = *flags.Trace
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}
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for _, o := range []struct {
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flag string
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dst *string
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}{
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{flags.TraceHost, &cfg.C.Trace.Host},
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{flags.TraceMaintainer, &cfg.C.Trace.Maintainer},
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{flags.TraceSponsor, &cfg.C.Trace.Sponsor},
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{flags.TraceCountry, &cfg.C.Trace.Country},
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{flags.TraceLocation, &cfg.C.Trace.Location},
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{flags.TraceThroughput, &cfg.C.Trace.Throughput},
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} {
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if o.flag != "" {
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*o.dst = cfg.TraceValue(o.flag)
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}
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}
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}
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