TopDirectory in Bertini

[mahrud]

The way the package is set up, it fixes some global variables upon load:

M2/M2/Macaulay2/packages/Bertini.m2

Lines 202 to 214 in 2565455

	--##########################################################################--
	-- GLOBAL VARIABLES
	--##########################################################################--
	DBG = 0 -- debug level (10=keep temp files)
	BERTINIexe=(options Bertini).Configuration#"BERTINIexecutable"
	BERTINIderandomize = member("--no-randomize",commandLine)
	--needsPackage"NAGtypes"
	needsPackage "SimpleDoc"
	storeBM2Files = temporaryFileName();
	makeDirectory storeBM2Files
	-- Bertini interface for M2
	-- used by ../NumericalAlgebraicGeometry.m2

Then, for instance, storeBM2Files gets used as default value of options:

M2/M2/Macaulay2/packages/Bertini.m2

Lines 433 to 436 in 2565455

	bertiniUserHomotopy = method(TypicalValue => List, Options=>{
	Verbose=>false,
	OutputStyle=>"OutPoints",--{"OutPoints","OutSolutions","OutNone"}--The output can be lists of Points (A muteable hash table), or lists of Solutions (list of complex numbers that are coordinates), or can be None (All information is stored on as a text file in the directory where the computation was ran).
	TopDirectory=>storeBM2Files,

Which results in the documentation changing every time:

TopDirectory => ..., default value "/tmp/M2-2629113-0/0", Option to change directory for file storage.

It's not the worst thing, but also not ideal I would think.

cc: @antonleykin

[antonleykin]

Adding @JoseMath --- we should avoid documentation mutation without necessity.