treewide: fix sourceRoot for fetchgit-based src

According to Nixpkgs manual[1] and NixOS 23.11 Release Note[2], the
`sourceRoot` attribute passed to `stdenv.mkDerivation` should be
specified as `"${src.name}"` or `"${src.name}/subdir"` when `src` is
produced using `fetchgit`-based fetchers.

`sourceRoot = "source"` or `sourceRoot = "source/subdir"` is based on
the assumption that the `name` attribute of these pre-unpacked fetchers
are always `"source"`, which is not the case. Expecting constant `name`
also makes the source FODs prone to irrelevent hashes during version
bumps.

[1]: https://nixos.org/manual/nixpkgs/unstable/#var-stdenv-sourceRoot
[2]: https://nixos.org/manual/nixos/stable/release-notes#sec-release-23.11

1 files changed, 2 insertions, 2 deletions

diff --git a/pkgs/applications/networking/geph/default.nix b/pkgs/applications/networking/geph/default.nix
index 1b839d748477c..45e3b1ae373b5 100644
--- a/pkgs/applications/networking/geph/default.nix
+++ b/pkgs/applications/networking/geph/default.nix
@@ -64,7 +64,7 @@ in
       pname = "${pname}-pnpm-deps";
       inherit src version;
 
-      sourceRoot = "source/gephgui-wry/gephgui";
+      sourceRoot = "${src.name}/gephgui-wry/gephgui";
 
       nativeBuildInputs = [
         jq
@@ -95,7 +95,7 @@ in
       pname = "gephgui-wry";
       inherit version src;
 
-      sourceRoot = "source/gephgui-wry";
+      sourceRoot = "${src.name}/gephgui-wry";
 
       cargoLock = {
         lockFile = ./Cargo.lock;