Make the workflow work for Perl scripts without a Perl extension.

.github/workflows/check-formats.yml

@@ -26,7 +26,21 @@ jobs:
         run: |
           git config --global --add safe.directory "$GITHUB_WORKSPACE"
           shopt -s extglob globstar nullglob
-          perltidy --pro=./.perltidyrc -b -bext='/' ./**/*.p[lm] ./**/*.t ./**/*.at && git diff --exit-code
+
+          perl_files=(./**/*.p[lm] ./**/*.t ./**/*.at)
+
+          for f in bin/* bin/dev_scripts/*; do
+              if [[ -f "$f" && ! "$f" == *.* ]]; then
+                  if head -n 1 "$f" | grep -qE '^#!.*(\bperl\b)'; then
+                      perl_files+=("$f")
+                  fi
+              fi
+          done
+
+          if [ ${#perl_files[@]} -gt 0 ]; then
+              perltidy --pro=./.perltidyrc -b -bext='/' "${perl_files[@]}"
+              git diff --exit-code
+          fi
 
   prettier:
     name: Check JavaScript, style, and HTML file formatting with prettier

bin/dev_scripts/run-perltidy.pl

@@ -45,7 +45,7 @@ =head1 OPTIONS
 
 use Perl::Tidy;
 use File::Find qw(find);
-use Mojo::File qw(curfile);
+use Mojo::File qw(curfile path);
 
 my $webwork_root = curfile->dirname->dirname->dirname;
 
@@ -91,7 +91,17 @@ =head1 OPTIONS
 					return;
 				}
 
-				return unless $path =~ /\.p[lm]$/ || $path =~ /\.t$/ || $path =~ /\.at$/;
+				my $isPerlScript = 0;
+				if (($dir =~ /\/bin$/ || $dir =~ /\/bin\/dev_scripts$/)
+					&& $path !~ /\.p[lm]$/
+					&& -f $path
+					&& (my $fh = path($path)->open('<')))
+				{
+					$isPerlScript = <$fh> =~ /^#!.*\bperl\b/;
+					$fh->close;
+				}
+
+				return unless $path =~ /\.p[lm]$/ || $path =~ /\.t$/ || $path =~ /\.at$/ || $isPerlScript;
 
 				say "Tidying file: $path" if $verbose;