Re: [PATCH 7/9] add a gpg_path value for notmuch_database_t

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+From: Daniel Kahn Gillmor <dkg@fifthhorseman.net>\r
+To: "J. Lewis Muir" <jlmuir@imca-cat.org>,\r
+ Notmuch Mail <notmuch@notmuchmail.org>\r
+Subject: Re: [PATCH 7/9] add a gpg_path value for notmuch_database_t\r
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+On Fri 2015-12-11 17:35:58 -0500, J. Lewis Muir wrote:\r
+> I guess I still don't get it.  Why even have a _find_in_path function?\r
+> Why not just expect the gpg executable path to have already been\r
+> specified somehow (e.g. Notmuch configuration file, build-time constant,\r
+> or environment variable)?\r
+\r
+This is happening in the library, which doesn't read the config file,\r
+and doesn't depend on the environment.  if a user tells the library "use\r
+this as your gpg executable", it seems nice to fail early for them.\r
+\r
+It's also nice if we want to have a default that says something like\r
+"use gpg2 if it's available, but gpg otherwise".\r
+\r
+     --dkg\r