Add latexmk colored output

.latexmkrc

@@ -1,5 +1,42 @@
 $pdf_mode = 1;
-$pdflatex      = "lualatex -shell-escape -interaction=nonstopmode %O %S";
+$pdflatex =
+q{lualatex -shell-escape -interaction=nonstopmode %O %S 2>&1 | perl -pe 's/(^!.*)/\e[1;31m$1\e[0m/; s/([Ww]arning)/\e[1;33m$1\e[0m/'};
 $out_dir       = "build";
 $bibtex        = "biber %O %S";
 $pdf_previewer = "zathura %O %S";
+
+# Color output: https://tex.stackexchange.com/questions/617572/is-it-possible-to-make-latexmk-ouput-with-color
+{
+    no warnings 'redefine';
+    use Term::ANSIColor;
+
+    my $old_warn_running = \&main::warn_running;
+
+    sub color_warn_running {
+        print STDERR color('green');
+        $old_warn_running->(@_);
+        print STDERR color('reset');
+    }
+
+    my $old_failure = \&main::failure;
+
+    sub color_failure {
+        print STDERR color('bold red');
+        $old_failure->(@_);
+        print STDERR color('reset');
+    }
+
+    my $old_failure_msg = \&main::failure_msg;
+
+    sub color_failure_msg {
+        print STDERR color('bold red');
+        $old_failure_msg->(@_);
+        print STDERR color('reset');
+    }
+
+    if ( -t STDERR ) {
+        *main::warn_running = \&color_warn_running;
+        *main::failure      = \&color_failure;
+        *main::failure_msg  = \&color_failure_msg;
+    }
+}