.

nxdbom/__init__.py

@@ -549,17 +549,18 @@ def spdx_license_canon(license_name):
 def license_of(url):
     assert '//' in url, url
     _, xpath = url.split('//', 1)       # https://tukaani.org/xz/xz-5.2.5.tar.bz2 -> tukaani.org/xz/xz-5.2.5.tar.bz
-    assert '//' not in xpath, xpath
+    #assert '//' not in xpath, xpath    XXX archive.mariadb.org//mariadb-10.3.35/source/mariadb-10.3.35.tar.gz
     assert '..' not in xpath, xpath
     xpath = '.CACHE/src/'+xpath
     if not exists(xpath):
         # download + unpack -> xpath
-        print('DL %s ...' % url,  file=sys.stderr)
-        mkdir_p('.CACHE/pkg')
         pkgfile = '.CACHE/pkg/' + basename(xpath)
-        urlretrieve(url, pkgfile)
+        if not exists(pkgfile):
+            mkdir_p('.CACHE/pkg')
+            print('DL %s ...' % url,  file=sys.stderr)
+            urlretrieve(url, pkgfile)
         
-        shutil.unpack_archive(pkgfile, xpath)
+        #shutil.unpack_archive(pkgfile, xpath)
 
     # XXX
     return None