[PATCH 1/2] performance-test/README: update instructions for fetching corpus.

[david at tethera.net]

From: David Bremner <bremner at debian.org>

It turns out not everybody on the planet has my gpg key.
---
 performance-test/README |   13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/performance-test/README b/performance-test/README
index 630cf13..36f1dac 100644
--- a/performance-test/README
+++ b/performance-test/README
@@ -12,9 +12,18 @@ In addition to having notmuch, you need:
 Getting set up to run tests:
 ----------------------------
 
-First, you need to get the corpus.
+First, you need to get the corpus.  If you don't already have the gpg
+key for David Bremner, run
 
-It should work to run
+   % gpg --search 'david at tethera.net'
+
+This should get you a key with fingerprint
+
+    815B 6398 2A79 F8E7 C727  86C4 762B 57BB 7842 06AD
+
+(the last 8 digits are printed as the "key id").
+
+To fetch the actual corpus it should work to run
 
    % make download-corpus
 
-- 
1.7.10.4