Re: [PATCH] metadata_scm: use rev-parse rather than show-ref

[Khem Raj <raj.khem@gmail.com>]

On (04/11/10 07:18), Chris Larson wrote:
> From: Chris Larson <chris_larson@mentor.com>
> 
> show-ref will show all matching refs, so a "show-ref HEAD" will show not just
> the local HEAD, but the fetched remote ones as well.  This isn't what we want
> for this function, so change it to use rev-parse with --verify, and also
> change it to use --short, to shorten the hash to a more palatable length.
> 
> Signed-off-by: Chris Larson <chris_larson@mentor.com>

seems to hold on my limited testing

Acked-by: Khem Raj <raj.khem@gmail.com>

> ---
>  classes/metadata_scm.bbclass |   22 +++++++++++++---------
>  1 files changed, 13 insertions(+), 9 deletions(-)
> 
> diff --git a/classes/metadata_scm.bbclass b/classes/metadata_scm.bbclass
> index ffc6a8a..f79ea19 100644
> --- a/classes/metadata_scm.bbclass
> +++ b/classes/metadata_scm.bbclass
> @@ -63,14 +63,18 @@ def base_get_metadata_svn_revision(path, d):
>  	return revision
>  
>  def base_get_metadata_git_branch(path, d):
> -	branch = os.popen('cd %s; PATH=%s git symbolic-ref HEAD 2>/dev/null' % (path, d.getVar("PATH", 1))).read().rstrip()
> -
> -	if len(branch) != 0:
> -		return branch.replace("refs/heads/", "")
> -	return "<unknown>"
> +    try:
> +        rev = oe_run(d, ["git", "symbolic-ref", "HEAD"], cwd=path).rstrip()
> +    except oe.process.CmdError:
> +        rev = "<unknown>"
> +    else:
> +        rev = rev.replace("refs/heads/", "")
> +    return rev
>  
>  def base_get_metadata_git_revision(path, d):
> -	rev = os.popen("cd %s; PATH=%s git show-ref HEAD 2>/dev/null" % (path, d.getVar("PATH", 1))).read().split(" ")[0].rstrip()
> -	if len(rev) != 0:
> -		return rev
> -	return "<unknown>"
> +    try:
> +        rev = oe_run(d, ["git", "rev-parse", "--verify", "--short", "HEAD"],
> +                     cwd=path).rstrip()
> +    except oe.process.CmdError:
> +        rev = "<unknown>"
> +    return rev
> -- 
> 1.7.2.3
> 
> 
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