stick with tahoe-lafs as the niv source name

We only have one version of tahoe-lafs here right now anyway, so the
identifier isn't ambiguous without a version number, and there are probably
more changes required to really support more than one version at a time.

.circleci/config.yml

@@ -227,7 +227,7 @@ workflows:
         matrix:
           parameters:
             tahoe-lafs-source:
-            - "tahoe-lafs-1.17.0"
+            - "tahoe-lafs"
 
     - "macos-tests":
         matrix:

default.nix

@@ -4,7 +4,7 @@ in
 { pkgs ? import sources.release2105 {}
 , pypiData ? sources.pypi-deps-db
 , mach-nix ? import sources.mach-nix { inherit pkgs pypiData; }
-, tahoe-lafs-source ? "tahoe-lafs-1.17.0"
+, tahoe-lafs-source ? "tahoe-lafs"
 , tahoe-lafs-repo ? sources.${tahoe-lafs-source}
 }:
   let

nix/sources.json

@@ -41,7 +41,7 @@
         "url": "https://releases.nixos.org/nixos/21.05/nixos-21.05.3740.ce7a1190a0f/nixexprs.tar.xz",
         "url_template": "https://releases.nixos.org/nixos/21.05/nixos-21.05.3740.ce7a1190a0f/nixexprs.tar.xz"
     },
-    "tahoe-lafs-1.17.0": {
+    "tahoe-lafs": {
         "branch": "master",
         "description": "The Tahoe-LAFS decentralized secure filesystem.",
         "homepage": "https://tahoe-lafs.org/",

shell.nix

@@ -2,7 +2,7 @@ let
   sources = import nix/sources.nix;
 in
 { pkgs ? import sources.release2105 {}
-, tahoe-lafs-source ? "tahoe-lafs-1.17.0"
+, tahoe-lafs-source ? "tahoe-lafs"
 }:
   let
     tests = pkgs.callPackage ./tests.nix {

tests.nix

@@ -4,7 +4,7 @@ in
 { pkgs ? import sources.release2105 {}
 , pypiData ? sources.pypi-deps-db
 , mach-nix ? import sources.mach-nix { inherit pkgs pypiData; }
-, tahoe-lafs-source ? "tahoe-lafs-1.17.0"
+, tahoe-lafs-source ? "tahoe-lafs"
 , tahoe-lafs-repo ? sources.${tahoe-lafs-source}
 , privatestorage ? import ./. {
     inherit pkgs pypiData mach-nix;