[OE-core] [PATCH] RFC - combo layer repo tool

[Paul Eggleton]

Hi Ke,

Great work. Here's my review so far:

On Monday 13 June 2011 14:15:04 Yu, Ke wrote:
> --- /dev/null
> +++ b/scripts/combo-layer-hook-default.sh
> @@ -0,0 +1,14 @@
> +#!/bin/sh
> +# Take a patch from bitbake and apply to poky

This text should be a bit more generic. Maybe "Hook to add source 
component/revision info to commit message"

> --- /dev/null
> +++ b/scripts/combo-layer.conf.example
> @@ -0,0 +1,38 @@
> +# repo name

This should be "component name"

> +# leave it empty if no commit updated yet, and then the tool
> +# will start from the first commit

Change this to "If empty, the tool will start from the first commit"

> +# hook: if provided, the tool will call the hook to proceed the generated
> patch from upstream, 

proceed -> process

> --- /dev/null
> +++ b/scripts/combo-layer.py

Remove the .py extension from the script name, to match our other scripts. 
(The hook script extension can stay however, it's not meant to be executed 
directly.)

> +        # Step 2: generate the patch list stored in patch dir
> +        if dest_dir != ".":
> +            prefix = "--src-prefix=a/%s/ --dst-prefix=b/%s/" % (dest_dir,
> dest_dir) +        else:
> +            prefix = ""
> +        if repo['last_revision'] == "":
> +            logger.info("Warning: last_revision of repo %s is not set, so
> start from the first commit" % name) +            patch_cmd_range =
> "--root master"
> +            rev_cmd_range = "master"
> +        else:
> +            patch_cmd_range = "master"
> +            rev_cmd_range = "%s..master" % repo['last_revision']

I tested the tool by checking out an older revision of poky, and setting up 
components for oe-core and bitbake in the config file with last_revisions based 
on the most recent revisions merged into in my older poky checkout. After 
running init then update, no changes were applied. Once I changed the "else:" 
part of the above code to make patch_cmd_range = rev_cmd_range instead of 
"master" the update process worked.

I haven't yet tested the filtering or splitpatch but I will do so and let you 
know the results.

Some other suggestions:
* During update, print out which component it is updating from as it goes 
through them (in case the operation fails)
* The tool should clean up the temporary patch subdirectory after finishing

Cheers,
Paul
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