| Value | Meaning | 
|---|---|
| noneGIT_TRACE_NONE | No tracing will be performed. | 
| fatalGIT_TRACE_FATAL | Severe errors that may impact the program's execution. | 
| errorGIT_TRACE_ERROR | Errors that do not impact the program's execution. | 
| warnGIT_TRACE_WARN | Warnings that suggest abnormal data. | 
| infoGIT_TRACE_INFO | Informational messages about program execution. | 
| debug_GIT_TRACE_DEBUG | Detailed data that allows for debugging. | 
| traceGIT_TRACE_TRACE | Exceptionally detailed debugging data. | 
Available tracing levels. When tracing is set to a particular level, callers will be provided tracing at the given level and all lower levels.