[PATCH v4] nmbug-status: Use 'show-ref --heads' for loading configs

[Tomi Ollila]

On Mon, Mar 23 2015, "W. Trevor King" <wking at tremily.us> wrote:

> When loading configs from Git, the bare branch name (without a
> refs/heads/ prefix or similar) matches all branches of that name
> (including remote-tracking branches):
>
>   .nmbug $ git show-ref config
>   48f3bbf1d1492e5f3d2f01de6ea79a30d3840f20 refs/heads/config
>   48f3bbf1d1492e5f3d2f01de6ea79a30d3840f20 refs/remotes/origin/config
>   4b6dbd9ffd152e7476f5101eff26747f34497cee refs/remotes/wking/config
>
> Instead of relying on the ordering of the matching references, use
> --heads to ensure we only match local branches.
> ---
> The only change from v3 [1] is dropping the accidental indentation
> hunk that started with '@@ -178,14 +193,14 @@ nmbug-status'.  Thanks
> to Tomi for pointing this out on IRC.

LGTM.

Tomi


>
> [1]: id: e9d25cc269b7bcc058627466adfa2835256b6e76.1427012574.git.wking at tremily.us
>      http://thread.gmane.org/gmane.mail.notmuch.general/20356
>
>  NEWS                     | 15 +++++++++++++++
>  devel/nmbug/nmbug        |  1 +
>  devel/nmbug/nmbug-status |  2 +-
>  3 files changed, 17 insertions(+), 1 deletion(-)
>
> diff --git a/NEWS b/NEWS
> index 70ad3f3..336a7c3 100644
> --- a/NEWS
> +++ b/NEWS
> @@ -23,6 +23,21 @@ Contrib
>  previously provided by `notmuch-deliver` should now be provided by
>  `notmuch insert`, provided by the main notmuch binary.
>  
> +nmbug-status
> +------------
> +
> +`nmbug-status` now only matches local branches when reading
> +`status-config.json` from the `config` branch of the `NMBGIT`
> +repository.  To help new users running `nmbug-status`, `nmbug clone`
> +now creates a local `config` branch tracking `origin/config`.  Folks
> +who use `nmbug-status` with an in-Git config (i.e. you don't use the
> +`--config` option) who already have `NMBGIT` set up are encouraged to
> +run:
> +
> +    git checkout config origin/config
> +
> +in their `NMBGIT` repository (usually `~/.nmbug`).
> +
>  Notmuch 0.19 (2014-11-14)
>  =========================
>  
> diff --git a/devel/nmbug/nmbug b/devel/nmbug/nmbug
> index 932ec12..81f582c 100755
> --- a/devel/nmbug/nmbug
> +++ b/devel/nmbug/nmbug
> @@ -308,6 +308,7 @@ def clone(repository):
>              wait=True)
>      _git(args=['config', '--unset', 'core.worktree'], wait=True)
>      _git(args=['config', 'core.bare', 'true'], wait=True)
> +    _git(args=['branch', 'config', 'origin/config'], wait=True)
>  
>  
>  def _is_committed(status):
> diff --git a/devel/nmbug/nmbug-status b/devel/nmbug/nmbug-status
> index 19dc48a..e845c2a 100755
> --- a/devel/nmbug/nmbug-status
> +++ b/devel/nmbug/nmbug-status
> @@ -92,7 +92,7 @@ def read_config(path=None, encoding=None):
>  
>          # read only the first line from the pipe
>          sha1_bytes = subprocess.Popen(
> -            ['git', '--git-dir', nmbhome, 'show-ref', '-s', branch],
> +            ['git', '--git-dir', nmbhome, 'show-ref', '-s', '--heads', branch],
>              stdout=subprocess.PIPE).stdout.readline()
>          sha1 = sha1_bytes.decode(encoding).rstrip()
>          if not sha1:
> -- 
> 2.1.0.60.g85f0837