Re: [PATCH] config: Introduce GIT_CONFIG_NOGLOBAL

> Patrick Steinhardt <ps@pks.im> writes:
>> +test_expect_success 'GIT_CONFIG_NOGLOBAL' '
>> +	test_when_finished rm -f "$HOME"/.config/git &&
>> +	cat >"$HOME"/.gitconfig <<-EOF &&
>> +	[home]
>> +		config = true
>> +	EOF
>> +	mkdir -p "$HOME"/.config/git &&
>> +	cat >"$HOME"/.config/git/config <<-EOF &&
>> +	[xdg]
>> +		config = true
>> +	EOF
>> +	cat >.git/config <<-EOF &&
>> +	[local]
>> +		config = true
>> +	EOF
>> +
>> +	cat >expect <<-EOF &&
>> +	global	xdg.config=true
>> +	global	home.config=true
>> +	local	local.config=true
>> +	EOF
>> +	git config --show-scope --list >output &&
>> +	test_cmp expect output &&
>> +
>> +	cat >expect <<-EOF &&
>> +	local	local.config=true
>> +	EOF
>> +	GIT_CONFIG_NOGLOBAL=true git config --show-scope --list >output &&
>> +	test_cmp expect output
>> +'
>
> This test was what initially piqued my curiosity, as the fact that
> the result filtered with the new mechanism has only 'local' misled
> me to incorrectly think that we are suppressing both 'system' and
> 'global' with the single variable.  Until I realized that we cannot
> test the 'system' configuration in our test suite, that is.