38 lines
552 B
Go
38 lines
552 B
Go
package argh
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import (
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"errors"
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"fmt"
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"log"
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"os"
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"path/filepath"
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"runtime"
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)
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var (
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tracingEnabled = os.Getenv("ARGH_TRACING") == "enabled"
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traceLogger *log.Logger
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Error = errors.New("argh error")
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)
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func init() {
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if !tracingEnabled {
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return
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}
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traceLogger = log.New(os.Stderr, "ARGH TRACING: ", 0)
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}
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func tracef(format string, v ...any) {
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if !tracingEnabled {
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return
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}
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if _, file, line, ok := runtime.Caller(1); ok {
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format = fmt.Sprintf("%v:%v ", filepath.Base(file), line) + format
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}
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traceLogger.Printf(format, v...)
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}
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