Debug Flags

These flags can be passed on the brz command line or (without the -D prefix) put in the debug_flags variable in breezy.conf.

-Dauth	Trace authentication sections used.
-Dbytes	Print out how many bytes were transferred
-Ddirstate	Trace dirstate activity (verbose!)
-Derror	Instead of normal error handling, always print a traceback on error.
-Devil	Capture call sites that do expensive or badly-scaling operations.
-Dfetch	Trace history copying between repositories.
-Dfilters	Emit information for debugging content filtering.
-Dforceinvdeltas
	Force use of inventory deltas during generic streaming fetch.
-Dgraph	Trace graph traversal.
-Dhashcache	Log every time a working file is read to determine its hash.
-Dhooks	Trace hook execution.
-Dhpss	Trace smart protocol requests and responses.
-Dhpssdetail	More hpss details.
-Dhpssvfs	Traceback on vfs access to Remote objects.
-Dhttp	Trace http connections, requests and responses.
-Dindex	Trace major index operations.
-Dknit	Trace knit operations.
-Dlock	Trace when lockdir locks are taken or released.
-Dnoretry	If a connection is reset, fail immediately rather than retrying the request.
-Dprogress	Trace progress bar operations.
-Dmem_dump	Dump memory to a file upon an out of memory error.
-Dmerge	Emit information for debugging merges.
-Dno_apport	Don’t use apport to report crashes.
-Dno_activity	Don’t show transport activity indicator in progress bar.
-Dpack	Emit information about pack operations.
-Drelock	Emit a message every time a branch or repository object is unlocked then relocked the same way.
-Dsftp	Trace SFTP internals.
-Dstatic_tuple	Error when a tuple is used where a StaticTuple is expected
-Dstream	Trace fetch streams.
-Dstrict_locks	Trace when OS locks are potentially used in a non-portable manner.
-Dunlock	Some errors during unlock are treated as warnings.
-DIDS_never	Never use InterDifferingSerializer when fetching.
-DIDS_always	Always use InterDifferingSerializer to fetch if appropriate for the format, even for non-local fetches.