From 4ffb386995af79e55fb6570365521c857d2e36be Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Wed, 12 Jan 2022 07:02:10 -0500
Subject: [PATCH] point out that niv's `tahoe-lafs` controls packaging

---
 CONTRIBUTING.rst | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index 01dd7e3..da0e50b 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -50,13 +50,18 @@ To update to the current master@HEAD revision, run:
    nix-shell --run 'niv update tahoe-lafs-master --branch master'
 
 It is also possible to pass ``pull/<pr-number>/head`` to test against a specific PR.
-When feasible we also test against a released version of Tahoe-LAFS.
+
+The Nix package depends on a version of Tahoe-LAFS determined by the "tahoe-lafs" niv entry.
+When feasible this is a released version of Tahoe-LAFS.
 To update to a new release, run:
 
 .. code:: shell
 
    nix-shell --run 'niv update --rev tahoe-lafs-A.B.C tahoe-lafs'
 
+When it is not feasible to use a released version of Tahoe-LAFS,
+niv's ``--branch`` or ``--rev`` features can be used to update this dependency.
+
 .. note::
 
    Since tahoe-lafs doesn't have correct version information when installed from a github archive,
-- 
GitLab