Auto-show collapsed file/network panels on activity

[groundwater]

Summary

Automatically expand items in the tree, based on a criteria.

• everything is collapsed by default
• add --expand flag with array of expand criteria
• criteria can match deeply, which expands tree recursively upward

CLI flag

Example: to auto-expand when a process has network activity, or mutates the file system.

--expand=file:cud,net

Expandables:

1. file:<FileOps> where FileOps is a union of: create, read, update, destroy.
2. proc:<ProcOps> where ProcOps is a union of create, error, exit, spawn child.
3. net:<NetOps> where NetOps is a union of connect, read, write

Default: file:cud,proc:e,net:crw

Menu toggle

A View submenu:

View
> Auto Expand >
  File >
  Proc >
  Net >

Where File, Proc, Net are submenus with toggles.