Fix incorrect page counters when pages are deleted

* The number of pages was an unsigned integer, but tldr pages can be
  deleted too

src/cache.rs

@@ -123,9 +123,9 @@ impl<'a> Cache<'a> {
         &self,
         lang_dir: &str,
         archive: &mut PagesArchive,
-        n_existing: usize,
-        all_downloaded: &mut usize,
-        all_new: &mut usize,
+        n_existing: i32,
+        all_downloaded: &mut i32,
+        all_new: &mut i32,
     ) -> Result<()> {
         info_start!("extracting '{lang_dir}'...");
 
@@ -183,10 +183,11 @@ impl<'a> Cache<'a> {
         self.clean()?;
 
         for (lang_dir, mut archive) in archives {
+            #[allow(clippy::cast_possible_truncation, clippy::cast_possible_wrap)]
             self.extract_lang_archive(
                 &lang_dir,
                 &mut archive,
-                *dirs_npages.get(&lang_dir).unwrap_or(&0),
+                (*dirs_npages.get(&lang_dir).unwrap_or(&0)) as i32,
                 &mut all_downloaded,
                 &mut all_new,
             )?;

src/util.rs

@@ -119,15 +119,15 @@ pub fn languages_to_langdirs(languages: &[String]) -> Vec<String> {
 pub fn init_color(color_mode: ColorChoice) {
     #[cfg(target_os = "windows")]
     let color_support = Paint::enable_windows_ascii();
-    #[cfg(not(target_os = "windows"))]
-    let color_support = true;
-
-    let no_color = env::var_os("NO_COLOR").is_some_and(|x| !x.is_empty());
 
     match color_mode {
         ColorChoice::Always => {}
         ColorChoice::Never => Paint::disable(),
         ColorChoice::Auto => {
+            #[cfg(not(target_os = "windows"))]
+            let color_support = true;
+            let no_color = env::var_os("NO_COLOR").is_some_and(|x| !x.is_empty());
+
             if !(color_support && !no_color && io::stdout().is_terminal()) {
                 Paint::disable();
             }