[erlang-questions] is there a generic file fetcher anywhere?

[Joe Armstrong]

On Tue, Nov 18, 2014 at 11:25 AM, Alexei Sholik <alcosholik@REDACTED> wrote:
> Things like HTTP and Git operate on different kinds of entities.

Precisely - what I want to do is abstract out the differences - I see
no reason why I should not
extract a specific file from a git archive given its hash.

> One does
> not simply fetch a file from a Git repository, the whole repository has to
> be cloned (or shallow-cloned).

Why not? - often I do this (ie clone a repository, extract one file)
then throw the rest away :-)

Git is just a key-value blob store whose keys are content hashes - and
a few fancy commands with
silly names to hide this from you.


>
> Do you have in mind something like "here's my <login> and <password>, please
> fetch whatever this <url> points to"?

I was thinking more of things that are publically available


/Joe

>
> On Tue, Nov 18, 2014 at 12:10 PM, Joe Armstrong <erlang@REDACTED> wrote:
>>
>> Hello,
>>
>> Has anybody written a "generic file fetcher" - I'd like to fetch files
>> or collections of files from various remote locations (Git, SVG, HTTP, FTP
>> etc)
>> handling proxies etc. on the way
>>
>> Is there any generic code to do this?
>>
>> I took a quick peek at the rebar source code since I know it can fetch
>> from git
>> but it just does a os:cmd("git fetch origin  ...")
>>
>> It strikes me that it would be a good idea to isolate code like this into
>> a
>> separate library and make it more generic. This would be rather useful
>>
>> Cheers
>>
>> /Joe
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>
>