Make `qmk doctor` print out the last log entry for upstream/{master,develop}, including dates (#17713)

1 files changed, 19 insertions, 0 deletions

diff --git a/lib/python/qmk/git.py b/lib/python/qmk/git.py
index f493628492..5d09d816df 100644
--- a/lib/python/qmk/git.py
+++ b/lib/python/qmk/git.py
@@ -62,6 +62,25 @@ def git_get_tag():
         return git_tag.stdout.strip()
 
 
+def git_get_last_log_entry(branch_name):
+    """Retrieves the last log entry for the branch being worked on.
+    """
+    git_lastlog = cli.run(['git', '--no-pager', 'log', '--pretty=format:%ad (%h) -- %s', '--date=iso', '-n1', branch_name])
+
+    if git_lastlog.returncode == 0 and git_lastlog.stdout:
+        return git_lastlog.stdout.strip()
+
+
+def git_get_common_ancestor(branch_a, branch_b):
+    """Retrieves the common ancestor between for the two supplied branches.
+    """
+    git_merge_base = cli.run(['git', 'merge-base', branch_a, branch_b])
+    git_branchpoint_log = cli.run(['git', '--no-pager', 'log', '--pretty=format:%ad (%h) -- %s', '--date=iso', '-n1', git_merge_base.stdout.strip()])
+
+    if git_branchpoint_log.returncode == 0 and git_branchpoint_log.stdout:
+        return git_branchpoint_log.stdout.strip()
+
+
 def git_get_remotes():
     """Returns the current remotes for a repo.
     """