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Re: [GSoC][PATCH v6 3/3] credential-cache: add tests for XDG functionality

On Fri, Mar 17, 2017 at 08:36:34AM -0400, Devin Lehmacher wrote:

> +test_expect_success 'credential-cache --socket option overrides default location' '
> +	test_when_finished "
> +		git credential-cache exit --socket \"\$HOME/dir/socket\" &&
> +		rmdir \"\$HOME/dir\"
> +	" &&
> +	check approve "cache --socket \"\$HOME/dir/socket\"" <<-\EOF &&

I wondered how this one got through the quoting/eval mess of the
"check()" function. But it works because we pass a raw unexpanded $HOME
into the config variable, and the credential subsystem then runs "cache
--socket ..." using a shell, which is where it gets expanded.

> +	mkdir -p -m 700 "$HOME/.git-credential-cache/" &&

This is our first use of "mkdir -m". It's in POSIX, so it should
probably be fine. I'm not sure if platforms without POSIXPERM would
complain, but I think in practice anything with unix sockets will handle
it just fine.

The rest of the tests look OK to me.