Nak: [kteam-tools][PATCH] ktl: Git.current_branch() optimization

Brad Figg brad.figg at canonical.com
Thu May 30 19:15:52 UTC 2013


On 05/24/2013 03:06 PM, Kamal Mostafa wrote:
> Query 'git symbolic-ref HEAD' instead of iterating the 'git branch' list.
> 
> Also changed behavior if current_branch() is called in a detached HEAD state:
>   before: returned the string "(no branch)"
>   now: throws an exception ktl.git.GetError GitError("no current branch")
> 
> No existing caller depends on the old "(no branch)" behavior.
> 
> Signed-off-by: Kamal Mostafa <kamal at canonical.com>
> ---
>  ktl/git.py | 15 ++++-----------
>  1 file changed, 4 insertions(+), 11 deletions(-)
> 
> diff --git a/ktl/git.py b/ktl/git.py
> index 9483ad4..7b18275 100644
> --- a/ktl/git.py
> +++ b/ktl/git.py
> @@ -94,17 +94,10 @@ class Git:
>      #
>      @classmethod
>      def current_branch(cls):
> -        retval = ""
> -        status, result = run_command("git branch", cls.debug)
> -        if status == 0:
> -            for line in result:
> -                if line != '' and line[0] == '*':
> -                    retval = line[1:].strip()
> -                    break
> -        else:
> -            raise GitError(result)
> -
> -        return retval
> +        status, result = run_command("git symbolic-ref --short HEAD", cls.debug)
> +        if status != 0:
> +            raise GitError("no current branch")
> +        return result[0]
>  
>      # show
>      #
> 

This doesn't work correctly on Precise, probably different git version. Feel
free to try again.

-- 
Brad Figg brad.figg at canonical.com http://www.canonical.com




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