This hook is invoked by `git-merge`, which happens when a `git pull`
is done on a local repository. The hook takes a single parameter, a status
flag specifying whether or not the merge being done was a squash merge.
-This hook cannot affect the outcome of `git-merge`.
+This hook cannot affect the outcome of `git-merge` and is not executed,
+if the merge failed due to conflicts.
This hook can be used in conjunction with a corresponding pre-commit hook to
save and restore any form of metadata associated with the working tree