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package log
import (
"fmt"
"io"
"os"
"path/filepath"
"github.com/sirupsen/logrus"
"gitlab.com/gitlab-org/gitaly/v15/internal/helper/perm"
)
// HookLogger is a wrapper around *logrus.Logger
type HookLogger struct {
logger *logrus.Logger
}
// NewHookLogger creates a file logger, since both stderr and stdout will be displayed in git output
func NewHookLogger() *HookLogger {
logger := logrus.New()
logDir := os.Getenv(GitalyLogDirEnvKey)
if logDir == "" {
logger.SetOutput(io.Discard)
return &HookLogger{logger: logger}
}
logFile, err := os.OpenFile(filepath.Join(logDir, "gitaly_hooks.log"), os.O_CREATE|os.O_APPEND|os.O_WRONLY, perm.SharedFile)
if err != nil {
logger.SetOutput(io.Discard)
} else {
logger.SetOutput(logFile)
}
logger.SetFormatter(UTCTextFormatter())
return &HookLogger{logger: logger}
}
// Fatal logs an error at the Fatal level and writes a generic message to stderr
func (h *HookLogger) Fatal(err error) {
h.Fatalf("%v", err)
}
// Fatalf logs a formatted error at the Fatal level
func (h *HookLogger) Fatalf(format string, a ...interface{}) {
fmt.Fprintln(os.Stderr, "error executing git hook")
h.logger.Fatalf(format, a...)
}
// Errorf logs a formatted error at the Fatal level
func (h *HookLogger) Errorf(format string, a ...interface{}) {
h.logger.Errorf(format, a...)
}
// Logger returns the underlying logrus logger
func (h *HookLogger) Logger() *logrus.Logger { return h.logger }
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