Fix MultipleRoutesDefined error for uclibc

- packageurl.contrib.route doesn't have a way to properly
 specify the pattern where a particular versionless and
 versioned PURL needs to be routed to the same function.

Signed-off-by: Keshav Priyadarshi <[email protected]>

Author: keshav-space

src/fetchcode/package.py

@@ -838,7 +838,7 @@ class UclibcDirectoryListedSource(DirectoryListedSource):
 class UclibcNGDirectoryListedSource(DirectoryListedSource):
     source_url = "https://downloads.uclibc-ng.org/releases/"
     source_archive_regex = r"^(uClibc-ng-)([\w.-]*)(.tar.gz)$"
-    is_nested = False
+    is_nested = True
     ignored_files_and_dir = []
 
 
@@ -971,7 +971,8 @@ class DropbearDirectoryListedSource(DirectoryListedSource):
     "pkg:generic/openssh.*",
     "pkg:generic/syslinux.*",
     "pkg:generic/toybox.*",
-    "pkg:generic/uclibc.*",
+    "pkg:generic/uclibc",
+    "pkg:generic/uclibc@.*"
     "pkg:generic/uclibc-ng.*",
     "pkg:generic/util-linux.*",
     "pkg:generic/wpa_supplicant.*",
@@ -1009,7 +1010,6 @@ def get_htmllisting_data_from_purl(purl):
         package_url
     )
 
-
 def get_packages_from_listing(purl, source_archive_url, regex, ignored_files_and_dir):
     """
     Return list of package data from a directory listing based on the specified regex.