Add branchtags function with cache
- cache stores tipmost node and rev and node,label pairs
- if cache is out of date, scan new changesets
- write new cache out after scan
Is there an error message when trying to diff non-existing files?
found: No such file or directory
not: No such file or directory
Is there an error message when trying to add non-existing files?
found: No such file or directory
not: No such file or directory