add statix-nano jq script for linting nix files in nano

.gitignore

@@ -1,2 +1,4 @@
 result
 *.qcow2
+*~x
+ 

extras/statix-nano/statix-nano-lint.nix

@@ -0,0 +1,12 @@
+{pkgs, ...}: {
+  script = pkgs.writeShellScript "nano-lint-nix.sh" ''
+    #!/usr/bin/env bash
+    set -uxeo pipefail
+
+    env SCRIPT_LIB_DIR=${builtins.path {
+      path = ./.;
+      filter = path: type:
+        path == toString ./statix-to-nano-linter.jq;
+    }} bash ${./statix-nano-lint.sh} $@
+  '';
+}

extras/statix-nano/statix-nano-lint.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+set -uxe
+
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
+if [ ! -z "${DEBUG:-}" ]; then 
+    JQ_ARGS="--debug-trace"
+else 
+    JQ_ARGS=""
+fi
+
+
+statix check -o json "$@" | jq ${JQ_ARGS:-} -rnesM -L $SCRIPT_DIR -L "${SCRIPT_LIB_DIR:-}" 'include "statix-to-nano-linter"; main'
+

extras/statix-nano/statix-to-nano-linter.jq

@@ -0,0 +1,70 @@
+def lpad($len; $fill): 
+  tostring | ($len - length) as $l | ($fill * $l)[:$l] + .;
+
+# Severity Enum: https://github.com/nerdypepper/statix/blob/d324490e45bcda1b664f28b6f88da8580deda76b/lib/src/lib.rs#L21
+# Warn/Error/Hint
+def severity_or_unknown($severity):
+  if 
+    (["Warn","Error","Hint"] | any(index($severity))) 
+  then 
+    $severity 
+  else "Unknown" end;
+
+def severity_or_unknown: severity_or_unknown(.);
+
+
+# Emulating how the fancy stderr displays messages
+# https://github.com/nerdypepper/statix/blob/d324490e45bcda1b664f28b6f88da8580deda76b/bin/src/traits.rs#L112
+def severity_to_inital($severity):
+  {"Warn": "W", "Error": "E", "Hint": "I"} as $mapping |
+    ($mapping).[$severity]
+  // debug("severity '\($severity)' could not be be matched to an initial");
+
+def severity_to_inital: severity_to_inital(.);
+
+# Emulating how fancy stderr via ariadne & how errfmt displays 
+# https://github.com/nerdypepper/statix/blob/d324490e45bcda1b664f28b6f88da8580deda76b/bin/src/traits.rs#L62
+def severity_to_name($severity):
+  {
+    "Warn": "Warning", 
+    "Error", 
+    "Hint": "Advice",
+    "Unknown"
+  } as $mapping | ($mapping).[$severity];
+
+def severity_to_tag($severity; $code):
+  ($code | lpad(2; "0")) as $code |
+  if $severity != "Unknown" 
+    then "[\(severity_to_inital($severity))\($code)]"
+    else "[\($code)?]"
+  end;
+
+def print_diagnostic($filename; $report; $issue; $diagnostic):
+  $diagnostic.at.from as $from |
+  $from.line as $line |
+  $from.column as $column |
+  severity_or_unknown($issue.severity) as $severity |
+  severity_to_name($severity) as $severity_name |
+  severity_to_tag($severity; $issue.code) as $severity_tag |
+    "\($filename):\($line):\($column): \($severity_tag) \($severity_name): \($issue.note)";
+
+def process_input:
+  . as $root |
+  .file as $filename |
+  .report as $report | 
+  $report[] as $issue |
+  $issue.diagnostics[] as $diagnostic | 
+    print_diagnostic($filename; $report; $issue; $diagnostic);
+
+def process_inputs:
+  . as $inputs |
+  if length == 0 or (. == null) then halt else 
+    [$inputs | .[] | process_input] | join("\n") | .+"\n" | halt_error(1)
+  end;
+
+def main: 
+  [try input catch infinite] | .[0] | if isinfinite then halt else ., inputs | process_inputs end;
+  #|
+  #if 
+  #  isempty(.) or (. == null)
+  #then debug("x") else (. | process_input) end;

extras/statix-nano/statix-to-nano-linter.test.jq

@@ -0,0 +1,39 @@
+# severity_or_unknown tests 
+## All Valid Severities
+include "statix-to-nano-linter"; . | severity_or_unknown
+"Warn"
+"Warn"
+
+include "statix-to-nano-linter"; severity_or_unknown
+"Error"
+"Error"
+
+include "statix-to-nano-linter"; severity_or_unknown
+"Hint"
+"Hint"
+
+## Invalid but used elsewhere in other code
+include "statix-to-nano-linter"; severity_or_unknown
+"Info"
+"Unknown"
+
+include "statix-to-nano-linter"; severity_or_unknown
+"Advice"
+"Unknown"
+
+## Fake
+include "statix-to-nano-linter"; severity_or_unknown
+"beep"
+"Unknown"
+
+## Technically True
+include "statix-to-nano-linter"; severity_or_unknown
+"Unknown"
+"Unknown"
+
+
+# severity_to_inital tests 
+# Valid
+include "statix-to-nano-linter"; severity_to_inital
+"Warn"
+"W"

extras/statix-nano/statix-to-nano-linter.test.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+set -x
+
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
+jq -L $SCRIPT_DIR --run-tests $SCRIPT_DIR/statix-to-nano-linter.test.jq

home/dev/all/editors.nix

@@ -1 +1,5 @@
-{pkgs, ...}: {home.packages = with pkgs; [nano];}
+{tree, ...}: {
+  imports = with tree; [
+    home.programming.editors.nano
+  ];
+}

home/dev/all/extra.nix

@@ -10,6 +10,7 @@
     python3
     binutils # for strings
     qrencode
+    dos2unix
 
     # This saves a rebuild of already cached busybox
     (pkgs.runCommand "busybox-no-applets" {} ''

home/programming/editors/nano/nano.nix

@@ -0,0 +1,54 @@
+{
+  self,
+  pkgs,
+  config,
+  ...
+} @ inputs: let
+  package =
+    if inputs ? "nixosConfig"
+    then inputs.nixosConfig.programs.nano.package
+    else pkgs.nano;
+in {
+  home.packages = with pkgs; [package deadnix statix ];
+  systemd.user.tmpfiles.rules = [
+    "d ${config.xdg.cacheHome}/nano - ${config.home.username} users"
+  ];
+
+  xdg.configFile."nano/nanorc".text = ''
+    set softwrap
+    set tabsize 2
+    set autoindent
+    set backup
+    set backupdir "${config.xdg.cacheHome}/nano"
+    set indicator
+    set magic
+    unset mouse
+    set nonewlines
+    set constantshow
+    set positionlog
+    set multibuffer
+    unset minibar
+
+    bind ^I formatter all
+    bind M-I formatter all
+    bind Sh-M-I formatter all
+
+    bind ^L linter all
+    bind M-L linter all
+    bind Sh-M-L linter all
+
+    include "${package}/share/nano/*.nanorc"
+    include "${package}/share/nano/extra/*.nanorc"
+    include "${pkgs.nanorc}/share/*.nanorc"
+
+    extendsyntax rust formatter rustfmt
+    extendsyntax nix formatter alejandra -t1
+    extendsyntax nix linter ${pkgs.writeShellScript "nano-lint-nix.sh" (let
+      statix-nano = import "${self}/extras/statix-nano/statix-nano-lint.nix" inputs;
+    in ''
+      #!/usr/bin/env bash
+      set -uxeo pipefail
+      deadnix $@ -o json | jq -r '.file as $filename | .results | .[] | $filename + ":" + (.line|tostring) + ":" + (.column|tostring) + ": " + .message'
+    '')}
+  '';
+}

profiles/base/editors.nix

@@ -0,0 +1,3 @@
+{...}: {
+  programs.nano.syntaxHighlight = false;
+}

statix.toml

@@ -1,3 +1,4 @@
 disabled = [
-  "empty_pattern"
+  "empty_pattern",
+  "repeated_keys"
 ]