make caller filepath package/file style this code is from zap https://github.com/uber-go/zap/blob/9a9fa7d4b5f07a9b634983678a65b5525f81e58b/zapcore/entry.go#L101
make caller filepath package/file style
this code is from zap
https://github.com/uber-go/zap/blob/9a9fa7d4b5f07a9b634983678a65b5525f81e58b/zapcore/entry.go#L101

micro/go-micro,myodc/go-micro