Keep sessionvars with repository links added in
a0843c82d1a2
Without this, e.g. "?style=coal" would be dropped.
Do not abort with inotify extension enabled, but not supported by the system.
And remove the "native support is required" message which is generated at an
inappropriate location and is printed more than once when using 'hg status'.
graphlog: move functions around, eliminate helper function
Makes it easier to read all of the code.
graphlog: split the actual DAG grapher out into a separate method
This allows extensions like pbranch to use asciigraph() to graph dependencies
for patch branches, but could be used for basically any DAG.