changelog: allow subdir wildcard entry

contrib/ChangeLog:

	* gcc-changelog/git_commit.py: Allow sub-directory wildcard
	changelog entry. Fix a typo caused by apostrophe escaping.
	* gcc-changelog/test_email.py: Test it.
	* gcc-changelog/test_patches.txt: Likewise.

contrib/gcc-changelog/git_commit.py

@@ -493,7 +493,7 @@ class GitCommit:
         for entry in self.changelog_entries:
             for pattern in entry.file_patterns:
                 name = os.path.join(entry.folder, pattern)
-                if name not in wildcard_prefixes:
+                if not [name.startswith(pr) for pr in wildcard_prefixes]:
                     msg = 'unsupported wildcard prefix'
                     self.errors.append(Error(msg, name))
 
@@ -617,7 +617,7 @@ class GitCommit:
 
         for pattern in mentioned_patterns:
             if pattern not in used_patterns:
-                error = 'pattern doesn''t match any changed files'
+                error = "pattern doesn't match any changed files"
                 self.errors.append(Error(error, pattern))
 
     def check_for_correct_changelog(self):

contrib/gcc-changelog/test_email.py

@@ -333,7 +333,7 @@ class TestGccChangelog(unittest.TestCase):
         assert not email.errors
         email = self.from_patch_glob('0002-libstdc-Fake-test-change-1.patch')
         assert len(email.errors) == 1
-        msg = 'pattern doesn''t match any changed files'
+        msg = "pattern doesn't match any changed files"
         assert email.errors[0].message == msg
         assert email.errors[0].line == 'libstdc++-v3/doc/html/'
         email = self.from_patch_glob('0003-libstdc-Fake-test-change-2.patch')
@@ -386,3 +386,10 @@ class TestGccChangelog(unittest.TestCase):
         email = self.from_patch_glob('0001-lto-fix-LTO-debug')
         assert not email.errors
         assert len(email.changelog_entries) == 1
+
+    def test_wildcard_in_subdir(self):
+        email = self.from_patch_glob('0001-Wildcard-subdirs.patch')
+        assert len(email.changelog_entries) == 1
+        err = email.errors[0]
+        assert err.message == "pattern doesn't match any changed files"
+        assert err.line == 'libstdc++-v3/testsuite/28_regex_not-existing/'

contrib/gcc-changelog/test_patches.txt

@@ -3320,3 +3320,27 @@ index 7c9d492f6a4..37e73348cb7 100644
 -- 
 2.25.1
 
+=== 0001-Wildcard-subdirs.patch ===
+From b798205595426c53eb362065f6ed6c320dcc161d Mon Sep 17 00:00:00 2001
+From: Martin Liska <mliska@suse.cz>
+Date: Mon, 30 Nov 2020 13:27:51 +0100
+Subject: [PATCH] Fix it.
+
+libstdc++-v3/ChangeLog:
+
+	* testsuite/28_regex/*: Fix them all.
+	* testsuite/28_regex_not-existing/*: Fix them all.
+---
+ contrib/gcc-changelog/git_commit.py          | 1 +
+ libstdc++-v3/testsuite/28_regex/init-list.cc | 1 +
+ 2 files changed, 2 insertions(+)
+
+diff --git a/libstdc++-v3/testsuite/28_regex/init-list.cc b/libstdc++-v3/testsuite/28_regex/init-list.cc
+index f51453f019a..d10ecf483f4 100644
+--- a/libstdc++-v3/testsuite/28_regex/init-list.cc
++++ b/libstdc++-v3/testsuite/28_regex/init-list.cc
+@@ -1 +1,2 @@
+ 
++
+--
+2.29.2