More rust template fixes

templates/rust/.gitignore

@@ -1,3 +1,4 @@
 /target
+/result
 /.direnv
 /.pre-commit-config.yaml

templates/rust/nix/packages.nix

@@ -1,6 +1,6 @@
 {pkgs, ...}: rec {
-  lyrs = pkgs.rustPlatform.buildRustPackage {
+  my-package = pkgs.rustPlatform.buildRustPackage {
-    pname = "lyrs";
+    pname = "my-binary";
     version = "0.1.0";
 
     /*
@@ -15,38 +15,8 @@
 
     src = ./..;
     hash = pkgs.lib.fakeHash;
-    cargoHash = "sha256-XHCXOlG4sdr1A3lqIK/7bB3soms1jxMIdfsFABmHVog=";
+    cargoHash = pkgs.lib.fakeHash;
   };
 
-  pwatch = pkgs.writeShellScriptBin "pwatch" ''
+  default = my-package;
-    dir="$(dirname "$(cargo locate-project --workspace --message-format plain)")"
-    pushd "$dir"
-
-    additional_watchexec_args=""
-    if [[ -f apps/$pkg/build.rs ]]; then
-      additional_watchexec_args="--watch apps/$pkg/build.rs"
-    fi
-
-    pkg="$1"; shift
-    cargo_subcmd="$1"; shift
-    cargo_subcmd_args="$@"; shift
-
-    argfile="apps/$pkg/.watchexec.argfile"
-    argfile_args=""
-
-    if [[ -f $argfile ]]; then
-      argfile_args="@$argfile"
-    fi
-    watchexec $argfile_args --stop-timeout 0s --restart \
-      --watch Cargo.toml \
-      --watch libs \
-      --watch apps/$pkg/src/ \
-      --watch apps/$pkg/Cargo.toml \
-      $additional_watchexec_args \
-      cargo "$cargo_subcmd" --package "$pkg" "$cargo_subcmd_args"
-
-    popd
-  '';
-
-  default = lyrs;
 }