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To: poky@yoctoproject.org
From: Lars Larsen <lars@visionweeding.com>
Message-ID: <58777203.7010006@visionweeding.com>
Date: Thu, 12 Jan 2017 13:09:39 +0100
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Subject: can I excute a "git config" before do_fetch ? to avoid HDD bloating
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Dear Poky world

I wonder if it is possible to achieve the following ?

We have some home cooked , git controlled modules, that expose a public API.
  By company convention, public interfaces must be located in a lib/ 
directory within the module.

It would be nice to checkout only the interface stuff in lib/, without 
polluting the HDD with the entire module, when we only need the 
interface files.

*By hand it is easy:*

If a developer want to use this public interface, he/she will use the 
git  sparse-checkout feature, to avoid checking out the entire module - 
executing these commands will checkout only the lib directory

|mkdir <repo> cd <repo> git init git remote add -f origin <url> ||git config core.sparseCheckout true ||echo "lib/">>.git/info/sparse-checkout |

git pull origin <branch>  / checkout  will the only  affect  the lib/ 
directory *How to do from a recipe ? * I want to make a poky-recipe for 
the  public interface, so API users can specify DEPENDS  it their 
recipes So do I make my own class that inserts a buildstep  before 
do_unpack ? Ideas and concrete examples will be highly appreciated. Of 
course I can choose to let the API Recipe checkout the parent project in 
it's entirety, and the do it's personal build magic in on the lib/ only. 
No real disasters will happen, other that waisting some MB's on my 
colleagues HDD. BR Lars Larsen

-- 

Best Regards
Lars Larsen

F.Poulsen Engineering Aps
Tjørnager 16
4330 Hvalsø
Denmark
+45 29802784
www.visionweeding.com


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<html>
  <head>

    <meta http-equiv="content-type" content="text/html; charset=utf-8">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    <br>
    Dear Poky world<br>
    <br>
    I wonder if it is possible to achieve the following ?<br>
    <br>
    We have some home cooked , git controlled modules, that expose a
    public API.<br>
     By company convention, public interfaces must be located in a lib/
    directory within the module.<br>
    <br>
    It would be nice to checkout only the interface stuff in lib/, 
    without polluting the HDD with the entire module, when we only need
    the interface files.<br>
    <br>
    <b>By hand it is easy:</b><br>
    <br>
    If a developer want to use this public interface, he/she will use
    the git  sparse-checkout feature, to avoid checking out the entire
    module - executing these commands will checkout only the lib
    directory<br>
    <br>
    <meta http-equiv="content-type" content="text/html; charset=utf-8">
    <pre style="margin: 0px 0px 1em; padding: 5px; border: 0px; font-size: 13px; width: auto; max-height: 600px; overflow: auto; font-family: Consolas, Menlo, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New', monospace, sans-serif; word-wrap: normal; color: rgb(36, 39, 41); font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: left; text-indent: 0px; text-transform: none; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(239, 240, 241);"><code style="margin: 0px; padding: 0px; border: 0px; font-size: 13px; font-family: Consolas, Menlo, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New', monospace, sans-serif; white-space: inherit; background-color: rgb(239, 240, 241);">mkdir &lt;repo&gt;
cd &lt;repo&gt;
git init
git remote add -f origin &lt;url&gt;
</code><meta http-equiv="content-type" content="text/html; charset=utf-8"><code style="margin: 0px; padding: 0px; border: 0px; font-size: 13px; font-family: Consolas, Menlo, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New', monospace, sans-serif; white-space: inherit; background-color: rgb(239, 240, 241);">git config core.sparseCheckout true
</code><meta http-equiv="content-type" content="text/html; charset=utf-8"><code style="margin: 0px; padding: 0px; border: 0px; font-size: 13px; font-family: Consolas, Menlo, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New', monospace, sans-serif; white-space: inherit; background-color: rgb(239, 240, 241);"><span class="pln" style="margin: 0px; padding: 0px; border: 0px; font-size: 13px; color: rgb(48, 51, 54);">echo </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; font-size: 13px; color: rgb(125, 39, 39);">"lib/"</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; font-size: 13px; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; font-size: 13px; color: rgb(48, 51, 54);">&gt;&gt;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; font-size: 13px; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; pad
ding: 0px; border: 0px; font-size: 13px; color: rgb(48, 51, 54);">.</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; font-size: 13px; color: rgb(48, 51, 54);">git</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; font-size: 13px; color: rgb(48, 51, 54);">/</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; font-size: 13px; color: rgb(48, 51, 54);">info</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; font-size: 13px; color: rgb(48, 51, 54);">/</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; font-size: 13px; color: rgb(48, 51, 54);">sparse</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; font-size: 13px; color: rgb(48, 51, 54);">-</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; font-size: 13px; color: rgb(48, 51, 54);">checkout
</span></code>
</pre>git pull origin &lt;branch&gt;  / checkout  will the only  affect  the lib/ directory

<b>How to do from a recipe ?
</b>
I want to make a poky-recipe for the  public interface, so API users can specify DEPENDS  it their recipes 

So do I make my own class that inserts a buildstep  before do_unpack ?

Ideas and concrete examples will be highly appreciated. 
Of course I can choose to let the API Recipe checkout the parent project in it's entirety, and the do it's personal build magic in on the lib/ only. No real disasters will happen, other that waisting some MB's on my colleagues HDD.


BR Lars Larsen
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<pre class="moz-signature" cols="72">-- 

Best Regards
Lars Larsen 

F.Poulsen Engineering Aps
Tjørnager 16
4330 Hvalsø
Denmark
+45 29802784
<a class="moz-txt-link-abbreviated" href="http://www.visionweeding.com">www.visionweeding.com</a>

</pre></body></html>

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