Re: [PATCH v2 0/4] Auto-generate mergetool lists

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John Keeping wrote:
On Mon, Jan 28, 2013 at 01:50:19PM -0800, Junio C Hamano wrote:
What are the situations where a valid user-defined tools is
unavailable, by the way?

The same as a built-in tool: the command isn't available.

Currently I'm extracting the command word using:

   cmd=$(eval -- "set -- $(git config mergetool.$tool.cmd); echo
\"$1\"")

Shouldnt this work?
cmd=$((git config "mergetool.$tool.cmd" || git config "difftool.$tool.cmd") | awk '{print $1}')


(it's slightly more complicated due to handling difftool.$tool.cmd as
well, but that's essentially it).  Then it just uses the same "type
$cmd" test as for built-in tools.

I don't know if there's a better way to extract the first word, but
that's the best I've come up with so far.


John


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