patman: Clean up creation of the git tree

The test starts with the HEAD pointing to the wrong place, so that the
created files appear to be deleted. Fix this by resetting the tree
before tests start. Add a check that the tree is clean.

Update pygit2 so that the enums are available.

3 files changed, 27 insertions, 2 deletions

diff --git a/tools/patman/func_test.py b/tools/patman/func_test.py
index 9c7d5d8c381..61df82312ba 100644
--- a/tools/patman/func_test.py
+++ b/tools/patman/func_test.py
@@ -503,7 +503,7 @@ better than before''')
         target = repo.revparse_single('HEAD~2')
         # pylint doesn't seem to find this
         # pylint: disable=E1101
-        repo.reset(target.oid, pygit2.GIT_CHECKOUT_FORCE)
+        repo.reset(target.oid, pygit2.enums.ResetMode.HARD)
         self.make_commit_with_file('video: Some video improvements', '''
 Fix up the video so that
 it looks more purple. Purple is
@@ -543,6 +543,13 @@ complicated as possible''')
         repo.config.set_multivar('branch.second.merge', '', 'refs/heads/base')
 
         repo.branches.local.create('base', base_target)
+
+        target = repo.lookup_reference('refs/heads/first')
+        repo.checkout(target, strategy=pygit2.GIT_CHECKOUT_FORCE)
+        target = repo.revparse_single('HEAD')
+        repo.reset(target.oid, pygit2.enums.ResetMode.HARD)
+
+        self.assertFalse(gitutil.check_dirty(self.gitdir, self.tmpdir))
         return repo
 
     def test_branch(self):
diff --git a/tools/patman/requirements.txt b/tools/patman/requirements.txt
index 57a284d23f2..ce9a3854527 100644
--- a/tools/patman/requirements.txt
+++ b/tools/patman/requirements.txt
@@ -1,6 +1,6 @@
 aiohttp==3.9.1
 ConfigParser==7.1.0
 importlib_resources==6.5.2
-pygit2==1.13.3
+pygit2==1.14.1
 Requests==2.32.3
 setuptools==75.8.0
diff --git a/tools/u_boot_pylib/gitutil.py b/tools/u_boot_pylib/gitutil.py
index cc57e7b7f73..3c52cce232c 100644
--- a/tools/u_boot_pylib/gitutil.py
+++ b/tools/u_boot_pylib/gitutil.py
@@ -757,6 +757,24 @@ def get_branch(git_dir=None):
     return out
 
 
+def check_dirty(git_dir=None, work_tree=None):
+    """Check if the tree is dirty
+
+    Args:
+        git_dir (str): Path to git repository (None to use default)
+
+    Return:
+        str: List of dirty filenames and state
+    """
+    cmd = ['git']
+    if git_dir:
+        cmd += ['--git-dir', git_dir]
+    if work_tree:
+        cmd += ['--work-tree', work_tree]
+    cmd += ['status', '--porcelain', '--untracked-files=no']
+    return command.output(*cmd).splitlines()
+
+
 if __name__ == "__main__":
     import doctest