nix: drop sccache

Did not work.

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I09802cd4835347115ba51bdffd0af1096a6a6964

nix/shell.nix

@@ -50,26 +50,9 @@ in
         #  Other tools
         pkgs.taplo # TOML formatter
         pkgs.lldb # debugger
-        pkgs.sccache # distributed Rust cache
       ]
       ++ runtimeDeps;
 
-    # We could do this in the NixOS configuration via ~/.config/cargo.toml
-    # or something, but this is better because it lets everyone benefit
-    # from sccache while working with Pinakes. The reason those variables
-    # are not in 'env' are that we have to use Bash, which doesn't mix well
-    # with Nix strings.
-    shellHook = ''
-      if [ -n "$SCCACHE_BIN" ]; then
-        export RUSTC_WRAPPER="$SCCACHE_BIN"
-        export SCCACHE_DIR="''${HOME}/.cache/sccache"
-        export SCCACHE_CACHE_SIZE="50G"
-        mkdir -p "$SCCACHE_DIR"
-
-        echo "sccache setup complete!"
-      fi
-    '';
-
     env = {
       # Allow Cargo to use lld and clang properly
       LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
@@ -82,8 +65,5 @@ in
 
       # Runtime library path for GTK/WebKit/xdotool
       LD_LIBRARY_PATH = "${lib.makeLibraryPath runtimeDeps}";
-
-      # Enable sccache for local nix develop shell
-      SCCACHE_BIN = "${pkgs.sccache}/bin/sccache";
     };
   }