Re: [PATCH v1] teach git to support a virtual (partially populated) work directory

[Ben Peart <peartben@gmail.com>]

On 11/28/2018 8:31 AM, SZEDER Gábor wrote:
> On Tue, Nov 27, 2018 at 02:50:57PM -0500, Ben Peart wrote:
>
>> diff --git a/t/t1092-virtualworkdir.sh b/t/t1092-virtualworkdir.sh
>> new file mode 100755
>> index 0000000000..0cdfe9b362
>> --- /dev/null
>> +++ b/t/t1092-virtualworkdir.sh
>> @@ -0,0 +1,393 @@
>> +#!/bin/sh
>> +
>> +test_description='virtual work directory tests'
>> +
>> +. ./test-lib.sh
>> +
>> +# We need total control of the virtual work directory hook
>> +sane_unset GIT_TEST_VIRTUALWORKDIR
>> +
>> +clean_repo () {
>> +	rm .git/index &&
>> +	git -c core.virtualworkdir=false reset --hard HEAD &&
>> +	git -c core.virtualworkdir=false clean -fd &&
>> +	touch untracked.txt &&
> We would usually run '>untracked.txt' instead, sparing the external
> process.
>
> A further nit is that a function called 'clean_repo' creates new
> untracked files...

Thanks, all good suggestions I've incorporated for the next iteration.

>
>> +	touch dir1/untracked.txt &&
>> +	touch dir2/untracked.txt
>> +}
>> +
>> +test_expect_success 'setup' '
>> +	mkdir -p .git/hooks/ &&
>> +	cat > .gitignore <<-\EOF &&
> CodingGuidelines suggest no space between redirection operator and
> filename.
>
>> +		.gitignore
>> +		expect*
>> +		actual*
>> +	EOF
>> +	touch file1.txt &&
>> +	touch file2.txt &&
>> +	mkdir -p dir1 &&
>> +	touch dir1/file1.txt &&
>> +	touch dir1/file2.txt &&
>> +	mkdir -p dir2 &&
>> +	touch dir2/file1.txt &&
>> +	touch dir2/file2.txt &&
>> +	git add . &&
>> +	git commit -m "initial" &&
>> +	git config --local core.virtualworkdir true
>> +'
>
>> +test_expect_success 'verify files not listed are ignored by git clean -f -x' '
>> +	clean_repo &&
> I find it odd to clean the repo right after setting it up; but then
> again, 'clean_repo' not only cleans, but also creates new files.
> Perhaps rename it to 'reset_repo'?  Dunno.
>
>> +	write_script .git/hooks/virtual-work-dir <<-\EOF &&
>> +		printf "untracked.txt\0"
>> +		printf "dir1/\0"
>> +	EOF
>> +	mkdir -p dir3 &&
>> +	touch dir3/untracked.txt &&
>> +	git clean -f -x &&
>> +	test -f file1.txt &&
> Please use the 'test_path_is_file', ...
>
>> +	test -f file2.txt &&
>> +	test ! -f untracked.txt &&
> ... 'test_path_is_missing', and ...
>
>> +	test -d dir1 &&
> ... 'test_path_is_dir' helpers, respectively, because they print
> informative error messages on failure.
>
>> +	test -f dir1/file1.txt &&
>> +	test -f dir1/file2.txt &&
>> +	test ! -f dir1/untracked.txt &&
>> +	test -f dir2/file1.txt &&
>> +	test -f dir2/file2.txt &&
>> +	test -f dir2/untracked.txt &&
>> +	test -d dir3 &&
>> +	test -f dir3/untracked.txt
>> +'