add --skip=cleanup/apt/lists and --skip=cleanup/apt/cache

mmdebstrap

@@ -3015,17 +3015,34 @@ sub run_cleanup() {
     if (any { $_ eq 'cleanup/apt' } @{ $options->{skip} }) {
         info "skipping cleanup/apt as requested";
     } else {
-        info "cleaning package lists and apt cache...";
-        run_apt_progress({
-                ARGV => [
-                    'apt-get',                         '--option',
-                    'Dir::Etc::SourceList=/dev/null',  '--option',
-                    'Dir::Etc::SourceParts=/dev/null', 'update'
-                ],
-                CHDIR => $options->{root},
-            });
-        run_apt_progress(
-            { ARGV => ['apt-get', 'clean'], CHDIR => $options->{root} });
+        if (    none { $_ eq 'cleanup/apt/lists' } @{ $options->{skip} }
+            and none { $_ eq 'cleanup/apt/cache' } @{ $options->{skip} }) {
+            info "cleaning package lists and apt cache...";
+        }
+        if (any { $_ eq 'cleanup/apt/lists' } @{ $options->{skip} }) {
+            info "skipping cleanup/apt/lists as requested";
+        } else {
+            if (any { $_ eq 'cleanup/apt/cache' } @{ $options->{skip} }) {
+                info "cleaning package lists...";
+            }
+            run_apt_progress({
+                    ARGV => [
+                        'apt-get',                         '--option',
+                        'Dir::Etc::SourceList=/dev/null',  '--option',
+                        'Dir::Etc::SourceParts=/dev/null', 'update'
+                    ],
+                    CHDIR => $options->{root},
+                });
+        }
+        if (any { $_ eq 'cleanup/apt/cache' } @{ $options->{skip} }) {
+            info "skipping cleanup/apt/cache as requested";
+        } else {
+            if (any { $_ eq 'cleanup/apt/lists' } @{ $options->{skip} }) {
+                info "cleaning apt cache...";
+            }
+            run_apt_progress(
+                { ARGV => ['apt-get', 'clean'], CHDIR => $options->{root} });
+        }
 
         # apt since 1.6 creates the auxfiles directory. If apt inside the
         # chroot is older than that, then it will not know how to clean it.
@@ -6727,7 +6744,7 @@ Performs cleanup tasks like:
 
 =over 4
 
-=item * Removes the package lists and apt cache. This can be disabled using B<--skip=cleanup/apt>.
+=item * Removes the package lists (unless B<--skip=cleanup/apt/lists>) and apt cache (unless B<--skip=cleanup/apt/cache>). Both removals can be disabled by using B<--skip=cleanup/apt>.
 
 =item * Remove all files that were put into the chroot for setup purposes, like F</etc/apt/apt.conf.d/00mmdebstrap>, the temporary apt config and the qemu-user-static binary. This can be disabled using B<--skip=cleanup/mmdebstrap>.