Determine if a commit is the descendant of another commit.
Note that a commit is not considered a descendant of itself, in contrast to git merge-base --is-ancestor.
the repository where the commits exist
a previously loaded commit
a potential ancestor commit
1 if the given commit is a descendant of the potential ancestor, 0 if not, error code otherwise.
See Implementation
Determine if a commit is the descendant of another commit.
Note that a commit is not considered a descendant of itself, in contrast to git merge-base --is-ancestor.