From: Junio C Hamano <gitster@pobox.com>
Date: Wed, 16 Sep 2015 15:20:20 GMT
Subject: Re: [PATCH v5 6/7] git-p4: add support for large file systems
Message-ID: <xmqqzj0ms85n.fsf@gitster.mtv.corp.google.com>
In-Reply-To: <5329966D-1A0C-42A1-9099-AC449D50AA52@gmail.com>

Lars Schneider <larsxschneider@gmail.com> writes:

>>> +git-p4.largeFileSystem::
>>> +	Specify the system that is used for large (binary) files. Please note
>>> +	that large file systems do not support the 'git p4 submit' command.
>> 
>> Why is that? Is it just that you haven't implemented support, or
>> is it fundamentally impossible?
>
> If we detect LFS files only by file extension then we could make
> it work. But then we must not use any git-p4 settings. We would
> need to rely only on the “.gitattributes” file that is stored in
> the P4 repository. My implementation also looks at the file size
> and decides on a individual file basis if a file is stored in
> LFS. That means all clients need the same file size threshold.
>
> Junio explained the problem in the v4 thread:
>> ...

Hmm, I am not sure if Luke's question was answered with the above,
and I do not think I explained anything, either.  I did point out
that with _your_ code I didn't see how "submit" would not work, but
that is quite different from the problem being fundamentally not
solvable.

>>> +test_file_in_mock () {
>>> +	FILE="$1"
>> Missing &&
>> Plus the next few lines

> Are they strictly necessary? I believe you can define variables all in “one line”

Absolutely.  Making multiple assignments as a single statment like

	X=A Y=B Z=C &&
        ...

is fine, but do not break &&-chain.

>> 
>>> +	CONTENT="$2"
>>> +	LOCAL_STORAGE=".git/mock-storage/local/$CONTENT"
>>> +	SERVER_STORAGE=".git/mock-storage/remote/$CONTENT"

... and to be sure, these 'echo' also must not break &&-chain.

>>> +	echo "pointer-$CONTENT" >expect_pointer
>>> +	echo "$CONTENT" >expect_content

>>> +test_file_count_in_dir () {
>>> +	DIR="$1"
>>> +	EXPECTED_COUNT="$2"
>>> +	find "$DIR" -type f >actual

... so are these.

>>> +	test_line_count = $EXPECTED_COUNT actual
>>> +}


Thanks.