[OE-core] [wic][PATCH] wic: extended list of paths in find_binary_path

[Philip Balister]

On 04/04/2015 10:20 AM, Ed Bartosh wrote:
> wic requires tools that are not always possible to find in $PATH.
> This causes wic to fail with confusing errors like this:
>  External command 'parted' not found, exiting.
>    (Please install 'parted' on your host system)
> 
> Adding ~/bin/, /usr/local/sbin, /usr/local/bin, /usr/sbin, /usr/bin,
> /sbin and /bin to the list of paths makes find_binary_path to
> produce more reliable results.

I'm with Otavio. Given wic is intimately dependent on internal build
artifacts, it should use utilities from the sysroot and not depend on
tools from the path. Let's make wic 100% before creating a tool to build
images from packages.

Philip

> 
> [YOCTO #7122]
> 
> Signed-off-by: Ed Bartosh <ed.bartosh at linux.intel.com>
> ---
>  scripts/lib/wic/utils/fs_related.py | 13 ++++++++-----
>  1 file changed, 8 insertions(+), 5 deletions(-)
> 
> diff --git a/scripts/lib/wic/utils/fs_related.py b/scripts/lib/wic/utils/fs_related.py
> index ea9f85c..832a44a 100644
> --- a/scripts/lib/wic/utils/fs_related.py
> +++ b/scripts/lib/wic/utils/fs_related.py
> @@ -32,13 +32,16 @@ from wic.utils.errors import *
>  from wic.utils.oe.misc import *
>  
>  def find_binary_path(binary):
> +    paths = []
>      if os.environ.has_key("PATH"):
>          paths = os.environ["PATH"].split(":")
> -    else:
> -        paths = []
> -        if os.environ.has_key("HOME"):
> -            paths += [os.environ["HOME"] + "/bin"]
> -        paths += ["/usr/local/sbin", "/usr/local/bin", "/usr/sbin", "/usr/bin", "/sbin", "/bin"]
> +    if os.environ.has_key("HOME"):
> +        path = os.path.join(os.environ["HOME"], "bin")
> +        if path not in paths:
> +            paths.append(path)
> +    for path in ["/usr/local/sbin", "/usr/local/bin", "/usr/sbin", "/usr/bin", "/sbin", "/bin"]:
> +        if path not in paths:
> +            paths.append(path)
>  
>      for path in paths:
>          bin_path = "%s/%s" % (path, binary)
>