chore(module): wrap soonix script already in shell hook

makes it more flexible and should thus work everywhere (also in
pkgs.mkShell shellHook)

lib/module.nix

@@ -4,7 +4,7 @@
   lib,
   ...
 }: let
-  inherit (lib) types mkOption concatMapStringsSep;
+  inherit (lib) types mkOption concatMapStringsSep mapAttrsToList;
   soonix_lib = import ./. {inherit pkgs;};
   inherit (soonix_lib) engines buildAllFiles;
 in {
@@ -253,70 +253,74 @@ in {
       builtins.addErrorContext "[soonix] while generating shell hook"
       # sh
       ''
-        CHECK_MODE=''${CHECK_MODE:-false}
+        function _soonix() {
-        SKIP_GITIGNORE=''${SKIP_GITIGNORE:-false}
+          CHECK_MODE=''${CHECK_MODE:-false}
+          SKIP_GITIGNORE=''${SKIP_GITIGNORE:-false}
 
-        _soonix_log() {
+          _soonix_log() {
-          local level="$1"
+            local level="$1"
-          local hook="$2"
+            local hook="$2"
-          local message="$3"
+            local message="$3"
-          [[ "''${SOONIX_LOG-}" == "true" ]] && echo "$level [$hook]: $message" || true
+            [[ "''${SOONIX_LOG-}" == "true" ]] && echo "$level [$hook]: $message" || true
-        }
+          }
 
-        _soonix_add_to_gitignore() {
+          _soonix_add_to_gitignore() {
-          local file="$1"
+            local file="$1"
-          local gitignore=".gitignore"
+            local gitignore=".gitignore"
 
-          if [[ ! -f "$gitignore" ]]; then
+            if [[ ! -f "$gitignore" ]]; then
-            touch "$gitignore"
+              touch "$gitignore"
-          fi
-
-          # Check if file is already in gitignore
-          if ! grep -Fxq "/$file" "$gitignore"; then
-            # Add sentinel comments if not present
-            if ! grep -q "# soonix" "$gitignore"; then
-              echo "" >> "$gitignore"
-              echo "# soonix" >> "$gitignore"
-              echo "# end soonix" >> "$gitignore"
             fi
 
-            # Insert the file path before the end comment
+            # Check if file is already in gitignore
-            ${pkgs.gnused}/bin/sed -i "/# end soonix/i /$file" "$gitignore"
+            if ! grep -Fxq "/$file" "$gitignore"; then
+              # Add sentinel comments if not present
+              if ! grep -q "# soonix" "$gitignore"; then
+                echo "" >> "$gitignore"
+                echo "# soonix" >> "$gitignore"
+                echo "# end soonix" >> "$gitignore"
+              fi
+
+              # Insert the file path before the end comment
+              ${pkgs.gnused}/bin/sed -i "/# end soonix/i /$file" "$gitignore"
+            fi
+          }
+
+          _soonix_updated=()
+          _soonix_failed=()
+          _soonix_uptodate=()
+
+          ${runHooks}
+
+          local output=$'\E[msoonix:\E[38;5;8m'
+          local status=0
+
+          if [[ ''${#_soonix_updated[@]} -gt 0 ]]; then
+            output="$output [updated: ''${_soonix_updated[*]}]" >&2
+            if [[ "$CHECK_MODE" == "true" ]]; then
+              status=2
+            fi
+          fi
+          if [[ ''${#_soonix_uptodate[@]} -gt 0 ]]; then
+            output="$output [unchanged: ''${_soonix_uptodate[*]}]" >&2
+          fi
+          if [[ ''${#_soonix_failed[@]} -gt 0 ]]; then
+            output="$output [failed: ''${_soonix_failed[*]}]" >&2
+            status=1
+          fi
+
+          printf "%s\E[m\n" "$output" >&2
+
+          if [[ $status -ne 0 ]]; then
+            exit $status
           fi
         }
-
+        _soonix
-        _soonix_updated=()
+        unset _soonix
-        _soonix_failed=()
-        _soonix_uptodate=()
-
-        ${runHooks}
-
-        local output=$'\E[msoonix:\E[38;5;8m'
-        local status=0
-
-        if [[ ''${#_soonix_updated[@]} -gt 0 ]]; then
-          output="$output [updated: ''${_soonix_updated[*]}]" >&2
-          if [[ "$CHECK_MODE" == "true" ]]; then
-            status=2
-          fi
-        fi
-        if [[ ''${#_soonix_uptodate[@]} -gt 0 ]]; then
-          output="$output [unchanged: ''${_soonix_uptodate[*]}]" >&2
-        fi
-        if [[ ''${#_soonix_failed[@]} -gt 0 ]]; then
-          output="$output [failed: ''${_soonix_failed[*]}]" >&2
-          status=1
-        fi
-
-        printf "%s\E[m\n" "$output" >&2
-
-        if [[ $status -ne 0 ]]; then
-          exit $status
-        fi
       '';
 
     allFiles =
-      lib.mapAttrsToList (name: hook: {
+      mapAttrsToList (name: hook: {
         src = hook.generatedDerivation;
         path = hook.output;
       })
@@ -415,18 +419,12 @@ in {
           '') (builtins.attrNames hooks)}
               ;;
             update)
-              function _soonix() {
+              ${generateShellHook}
-                ${generateShellHook}
-              }
-              _soonix
               ;;
             check)
               CHECK_MODE=true
               echo "Checking files..."
-              function _soonix() {
+              ${generateShellHook}
-                ${generateShellHook}
-              }
-              _soonix
               ;;
             esac
         '';