failing tests with git v2.22.0-rc3 (was: [PATCH 1/1] RFC: git: update to v2.22.0-rc0)

[Christian Hesse]

Hello everybody,

with git v2.22.0-rc3 we have failing tests:

not ok 1 - do not access $HOME: 
#	
#			test_no_home_access ''
#		
not ok 2 - do not access $HOME: foo
#	
#			test_no_home_access 'foo'
#		
not ok 3 - do not access $HOME: foo/refs
#	
#			test_no_home_access 'foo/refs'
#		
not ok 4 - do not access $HOME: foo/log
#	
#			test_no_home_access 'foo/log'
#		
not ok 5 - do not access $HOME: foo/tree
#	
#			test_no_home_access 'foo/tree'
#		
not ok 6 - do not access $HOME: foo/tree/file-1
#	
#			test_no_home_access 'foo/tree/file-1'
#		
not ok 7 - do not access $HOME: foo/commit
#	
#			test_no_home_access 'foo/commit'
#		
not ok 8 - do not access $HOME: foo/diff
#	
#			test_no_home_access 'foo/diff'
#		
not ok 9 - do not access $HOME: foo/patch
#	
#			test_no_home_access 'foo/patch'
#		
not ok 10 - do not access $HOME: foo/snapshot/master.tar.gz
#	
#			test_no_home_access 'foo/snapshot/master.tar.gz'
#		
# failed 10 among 10 test(s)

This is caused by offending git upstream commit ("trace2: use system/global
config for default trace2 settings"):

https://github.com/git/git/commit/bce9db6de97c95882a7c46836bb6cc90acf0fef0

I did not yet have a deeper look. Is anybody familiar with this code and can
tell what goes wrong?
-- 
main(a){char*c=/*    Schoene Gruesse                         */"B?IJj;MEH"
"CX:;",b;for(a/*    Best regards             my address:    */=0;b=c[a++];)
putchar(b-1/(/*    Chris            cc -ox -xc - && ./x    */b/42*2-3)*42);}
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