classes/package: handle filenames containing wildcards

It is uncommon, but it is possible for upstream sources to contain files
that have wildcard characters in their names (Webmin is an example).
Because we were running glob.glob() on every entry in the list of
entries in FILES and then adding the result to the files list to be
processed, the process would loop infinitely if files whose names
contained wildcard characters were present. Fix this by avoiding
re-processing the output of glob.glob() with itself, and also "escape"
wildcard characters in FILES entries added automatically from
do_split_packages().

Fixes [YOCTO #1676].

(From OE-Core rev: 1aa3fbb547b0e21455f0dcc9b72ded08dc0efd67)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/package.bbclass

@@ -183,8 +183,13 @@ def do_split_packages(d, root, file_regex, output_pattern, description, postinst
             else:
                 packages.append(pkg)
         oldfiles = d.getVar('FILES_' + pkg, True)
+        newfile = os.path.join(root, o)
+        # These names will be passed through glob() so if the filename actually
+        # contains * or ? (rare, but possible) we need to handle that specially
+        newfile = newfile.replace('*', '[*]')
+        newfile = newfile.replace('?', '[?]')
         if not oldfiles:
-            the_files = [os.path.join(root, o)]
+            the_files = [newfile]
             if aux_files_pattern:
                 if type(aux_files_pattern) is list:
                     for fp in aux_files_pattern:
@@ -206,7 +211,7 @@ def do_split_packages(d, root, file_regex, output_pattern, description, postinst
             if postrm:
                 d.setVar('pkg_postrm_' + pkg, postrm)
         else:
-            d.setVar('FILES_' + pkg, oldfiles + " " + os.path.join(root, o))
+            d.setVar('FILES_' + pkg, oldfiles + " " + newfile)
         if callable(hook):
             hook(f, pkg, file_regex, output_pattern, m.group(1))
 
@@ -965,23 +970,28 @@ python populate_packages () {
             msg = "FILES variable for package %s contains '//' which is invalid. Attempting to fix this but you should correct the metadata.\n" % pkg
             package_qa_handle_error("files-invalid", msg, d)
             filesvar.replace("//", "/")
-        files = filesvar.split()
+
-        for file in files:
+        origfiles = filesvar.split()
+        files = []
+        for file in origfiles:
             if os.path.isabs(file):
                 file = '.' + file
             if not file.startswith("./"):
                 file = './' + file
+            globbed = glob.glob(file)
+            if globbed:
+                if [ file ] != globbed:
+                    files += globbed
+                    continue
+            files.append(file)
+
+        for file in files:
             if not cpath.islink(file):
                 if cpath.isdir(file):
                     newfiles =  [ os.path.join(file,x) for x in os.listdir(file) ]
                     if newfiles:
                         files += newfiles
                         continue
-            globbed = glob.glob(file)
-            if globbed:
-                if [ file ] != globbed:
-                    files += globbed
-                    continue
             if (not cpath.islink(file)) and (not cpath.exists(file)):
                 continue
             if file in seen: