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List:       git
Subject:    Re: [PATCH 2/3] myfirstcontrib: add dependency installation step
From:       Emily Shaffer <emilyshaffer () google ! com>
Date:       2019-10-31 20:58:05
Message-ID: 20191031205805.GC229589 () google ! com
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On Mon, Oct 28, 2019 at 10:27:25AM +0900, Junio C Hamano wrote:
> Jonathan Nieder <jrnieder@gmail.com> writes:
> 
> > Hi,
> >
> > Emily Shaffer wrote:
> >
> >> Indicate that the user needs some dependencies before the build will run
> >> happily on their machine; this dependency list doesn't seem to be made
> >> clear anywhere else in the project documentation.
> >
> > In theory, this info should be in INSTALL.  I wouldn't be surprised if
> > it's missing some info, though.
> >
> > [...]
> >> --- a/Documentation/MyFirstContribution.txt
> >> +++ b/Documentation/MyFirstContribution.txt
> >> @@ -38,6 +38,30 @@ $ git clone https://github.com/git/git git
> >>  $ cd git
> >>  ----
> >>  
> >> +[[dependencies]]
> >> +=== Installing Dependencies
> >> +
> >> +To build Git from source, you need to have a handful of dependencies installed
> >> +on your system. For a hint of what's needed, you can take a look at
> >> +`ci/install-dependencies.sh`.
> >> +
> >> +To install the dependencies needed for a basic build on Linux, run something
> >> +like this (or replace `apt` with your distribution's package manager of choice):
> >
> > pedantic nit: s/or replace/replacing/ ("or" would mean rpm is an
> > alternative to what came before, but "something like" in the phrase
> > before has rpm already included)
> 
> This section, as you hinted at the beginning, should be a single
> sentence, i.e. just "follow INSTALL".  Any clarifications should 
> be made as a patch to the INSTALL file.

Thanks. I ended up with a little over one sentence; I don't like that a
newbie following INSTALL file would end up with their locally-built Git
installed (and they may only be interested in a one-off contribution,
and never fetch again, or something) so I tried to highlight the
dependencies portion of INSTALL:

  To build Git from source, you need to have a handful of dependencies installed
  on your system. For a hint of what's needed, you can take a look at
  `INSTALL`, paying close attention to the section about Git's dependencies on
  external programs and libraries. That document mentions a way to "test-drive"
  our freshly built Git without installing; that's the method we'll be using in
  this tutorial.

  Make sure that your environment has everything you need by building your brand
  new clone of Git from the above step:

 - Emily
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