Re: [GSoC] My Git Dev Blog — Week 6

From: Atharva Raykar <raykar.ath@gmail.com>
Date: Jun 28, 2021, 07:35 UTC
Message-ID: <6305ED7B-0C92-4C14-9F75-2EC3B24A6D2F@gmail.com>
In-Reply-To: <60d8aefdb7f1a_ba9f3208ca@natae.notmuch>

On 27-Jun-2021, at 22:31, Felipe Contreras <felipe.contreras@gmail.com> wrote:

Show 25 quoted lines

> 
> Atharva Raykar wrote:
> 
>>  * Reflections:
>>    - How does Git even start?
>>      (https://atharvaraykar.me/gitnotes/week6#how-does-git-even-start)
>>      This was just something I was curious about, not really important
>>      to my project. If anyone knows the answer to what I asked in that,
>>      section, it would be nice to know!
> 
> They are not all linked together.
> 
> Take for example shell.c, which will be used to generate shell.o, which
> is used here:
> 
>  PROGRAM_OBJS += shell.o
> 
> PROGRAM_OBJS is used here:
> 
>  PROGRAMS += $(patsubst %.o,git-%$X,$(PROGRAM_OBJS))
> 
> This means shell.o will be used to generate a program called git-shell.
> 
> But the "git" program will not use PROGRAM_OBJS, therefore it will not
> link shell.o.

Thanks, that explained a lot of things for me, and I noticed 'git.c:cmd_main()' does indeed call these separately created executables (like git-shell).

I'll try to update my blog post with this explanation when I get some free time for it.