Do not silently ignore directories for reserved file names

Files with reserved extensions like .list, .sources, .conf,
and .pref should receive notices in their respective directories
even if they are directories.

2 files changed, 48 insertions, 3 deletions

diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index fad51ded1..99b1df3ff 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -486,12 +486,14 @@ std::vector<string> GetListOfFilesInDir(string const &Dir, std::vector<string> c
       {
 	 if (RealFileExists(File) == false)
 	 {
+	    string d_ext = flExtension(Ent->d_name);
 	    // do not show ignoration warnings for directories
-	    if (
+	    if ((
 #ifdef _DIRENT_HAVE_D_TYPE
-		Ent->d_type == DT_DIR ||
+		   Ent->d_type == DT_DIR ||
 #endif
-		DirectoryExists(File) == true)
+		   DirectoryExists(File) == true) &&
+		(d_ext.empty() || std::find(Ext.begin(), Ext.end(), d_ext) == Ext.end()))
 	       continue;
 	    if (SilentIgnore.Match(Ent->d_name) == false)
 	       _error->Notice(_("Ignoring '%s' in directory '%s' as it is not a regular file"), Ent->d_name, Dir.c_str());
diff --git a/test/integration/test-ignored-files b/test/integration/test-ignored-files
new file mode 100755
index 000000000..90defdcd4
--- /dev/null
+++ b/test/integration/test-ignored-files
@@ -0,0 +1,43 @@
+#!/bin/sh
+set -e
+
+TESTDIR="$(readlink -f "$(dirname "$0")")"
+. "$TESTDIR/framework"
+
+setupenvironment
+configarchitecture 'amd64'
+
+setupaptarchive --no-update
+
+testsuccessequal "Reading package lists...
+Building dependency tree...
+All packages are up to date." apt update -q
+
+
+msgtest "Check notices about .list and .sources directories in sources.list.d"
+mkdir rootdir/etc/apt/sources.list.d/a-dir-that-will-be-ignored
+mkdir rootdir/etc/apt/sources.list.d/a-dir-that-will-be-ignored.conf
+mkdir rootdir/etc/apt/sources.list.d/a-dir-that-will-not-be-ignored.list
+mkdir rootdir/etc/apt/sources.list.d/a-dir-that-will-not-be-ignored.sources
+testsuccessequal "Reading package lists...
+Building dependency tree...
+All packages are up to date.
+N: Ignoring 'a-dir-that-will-not-be-ignored.list' in directory '${TMPWORKINGDIRECTORY}/rootdir/etc/apt/sources.list.d/' as it is not a regular file
+N: Ignoring 'a-dir-that-will-not-be-ignored.sources' in directory '${TMPWORKINGDIRECTORY}/rootdir/etc/apt/sources.list.d/' as it is not a regular file" apt update
+rmdir rootdir/etc/apt/sources.list.d/a-dir-*
+
+msgtest "Check for notices about .conf directories in apt.conf.d"
+mkdir -p rootdir/etc/apt/apt.conf.d/a-dir-that-will-be-ignored
+mkdir -p rootdir/etc/apt/apt.conf.d/a-dir-that-will-be-ignored.list
+mkdir -p rootdir/etc/apt/apt.conf.d/a-dir-that-will-not-be-ignored.conf
+testsuccessequal "N: Ignoring 'a-dir-that-will-not-be-ignored.conf' in directory '${TMPWORKINGDIRECTORY}/rootdir/etc/apt/apt.conf.d/' as it is not a regular file" aptconfig shell 
+rmdir rootdir/etc/apt/apt.conf.d/a-dir-*
+
+msgtest "Check for directory notices in preferences.d"
+mkdir -p rootdir/etc/apt/preferences.d/a-dir-that-will-be-ignored
+mkdir -p rootdir/etc/apt/preferences.d/a-dir-that-will-be-ignored.conf
+mkdir -p rootdir/etc/apt/preferences.d/a-dir-that-will-not-be-ignored.pref
+testsuccessequal "Package files:
+Pinned packages:
+N: Ignoring 'a-dir-that-will-not-be-ignored.pref' in directory '${TMPWORKINGDIRECTORY}/rootdir/etc/apt/preferences.d/' as it is not a regular file" apt policy
+rmdir rootdir/etc/apt/preferences.d/a-dir-*