minor cleanup

.editorconfig

@@ -2,10 +2,10 @@
 root = true
 
 [*]
+charset = utf-8
 end_of_line = lf
 insert_final_newline = true
 trim_trailing_whitespace = true
-charset = utf-8
 indent_style = tab
 indent_size = 4
 
@@ -24,8 +24,9 @@ charset = unset
 indent_style = unset
 indent_size = unset
 
-[*.py]
-indent_size = 4
+[*.c]
+ident_style = space
+ident_size = 4
 
 [*.md]
 max_line_length = off

.gitignore

@@ -28,6 +28,7 @@ resource.rc
 
 # Nix
 result
+bulid
 
 # Misc
 *.eml

TODO

@@ -1,11 +1,7 @@
-* add second build target `world.c`
 * add GitHub workflow to build all targets, upload/publish all artifacts
   * deb, rpm, tgz of source
   * Docker container on DockerHub, GitHub Container Repository (ghcr.io)
     * containers could have multiple tags as in `latest` and `1.0.0`
-* add Nix Flake
-* devShell
-* direnv/envrc
 * build windows MSYS2
 * formatting
 * lint

flake.nix

@@ -12,13 +12,18 @@
 
   outputs = { self, nixpkgs, flake-utils }:
     let
-      # Generate a user-friendly version number (e.g. "1.2.3-DIRTY").
-      version = "${builtins.readFile ./VERSION.txt}${self.shortRev or "DIRTY"}";
+      inherit (nixpkgs) lib;
+      officialRelease = false;
+
+      version = lib.fileContents ./.version + versionSuffix;
+      versionSuffix =
+        if officialRelease
+        then ""
+        else "pre${builtins.substring 0 8 (self.lastModifiedDate or self.lastModified or "19700101")}_${self.shortRev or "dirty"}";
 
-      # System types to support.
       supportedSystems = [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ];
 
-      # Helper function to generate an attrset '{ x86_64-linux = f "x86_64-linux"; ... }'.
+      # Generate an attrset '{ x86_64-linux = f "x86_64-linux"; ... }'.
       forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
 
       # Nixpkgs instantiated for supported system types.