toolchain/56391: spurious .git* files in source

[martin%NetBSD.org@localhost]

>Number:         56391
>Category:       toolchain
>Synopsis:       spurious .git* files in source
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    toolchain-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Sep 07 17:50:00 +0000 2021
>Originator:     Martin Husemann
>Release:        NetBSD 9.99.88
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD seven-days-to-the-wolves.aprisoft.de 9.99.88 NetBSD 9.99.88 (GENERIC) #478: Tue Aug 31 11:02:24 CEST 2021 martin%seven-days-to-the-wolves.aprisoft.de@localhost:/work/src/sys/arch/amd64/compile/GENERIC amd64
Architecture: x86_64
Machine: amd64
>Description:

Our source tree has a few .git* files/dirs in it, mostly below src/external/.
Technically not a problem, but maybe not intedend.

>How-To-Repeat:
find src -name .git\*

>Fix:
Decide whether we want to keep those files and improve ${extprog}2netbsd
scripts where needed.