flakes: get rid of `self`

flake.nix

@@ -35,13 +35,9 @@
         inherit geoip2-asn geoip2-city geoip2-country;
       };
 
-      e11sync-static = pkgs.callPackage ./pkgs/e11sync-static.nix {
-        inherit self;
-      };
+      e11sync-static = pkgs.callPackage ./pkgs/e11sync-static.nix {};
 
-      e11sync = pkgs.callPackage ./pkgs/e11sync.nix {
-        inherit self geoip-archive;
-      };
+      e11sync = pkgs.callPackage ./pkgs/e11sync.nix {inherit geoip-archive;};
     in {
       packages.geoip-archive = geoip-archive;
       packages.e11sync-static = e11sync-static;

pkgs/e11sync-static.nix

@@ -1,5 +1,4 @@
 {
-  self,
   stdenv,
   python3Packages,
   coreutils,
@@ -10,20 +9,20 @@
 }:
 stdenv.mkDerivation {
   name = "e11sync-static";
-  src = self;
+  src = ../app;
   nativeBuildInputs = [
     python3Packages.django_5
     python3Packages.django-compressor
     dart-sass
   ];
-  patchPhase = ''patchShebangs --build app/manage.py'';
+  patchPhase = ''patchShebangs --build manage.py'';
   buildPhase = ''
     mkdir -p static
     export E11SYNC_STATIC_ROOT=static
     export E11SYNC_DEBUG=
     export E11SYNC_COMPRESS_OFFLINE=1
-    app/manage.py collectstatic
-    app/manage.py compress
+    ./manage.py collectstatic
+    ./manage.py compress
 
     ${findutils}/bin/find static/CACHE -name '*.css' | \
       ${findutils}/bin/xargs -P''$(${coreutils}/bin/nproc) -I{} sh -c \

pkgs/e11sync.nix

@@ -1,5 +1,4 @@
 {
-  self,
   lib,
   stdenv,
   runCommand,
@@ -20,11 +19,11 @@ stdenv.mkDerivation {
     libmaxminddb
   ];
   nativeBuildInputs = [makeWrapper];
-  src = self;
-  patchPhase = ''patchShebangs --build app/manage.py'';
+  src = ../app;
+  patchPhase = ''patchShebangs --build manage.py'';
   buildPhase = ''mkdir -p $out'';
   installPhase = ''
-    cp -r app $out
+    cp -r . $out/app
     makeWrapper ${python3Packages.gunicorn}/bin/gunicorn $out/bin/e11sync-gunicorn \
       --chdir $out/app \
       --set-default E11SYNC_HTTP_PORT ${toString gunicornPort} \
@@ -42,7 +41,7 @@ stdenv.mkDerivation {
   '';
   passthru.tests.unit =
     runCommand "e11sync-test" {
-      src = self;
+      src = ../app;
       buildInputs = [
         python3Packages.django_5
         python3Packages.django-compressor
@@ -51,8 +50,7 @@ stdenv.mkDerivation {
       ];
     } ''
       unpackPhase
-      patchShebangs --build $sourceRoot/app/manage.py
-      cd $sourceRoot
+      patchShebangs --build app/manage.py
       export GEOIP_PATH="${geoip-archive}"
       app/manage.py test app
       mkdir -p $out