diff --git a/snippets/git.sh b/snippets/git.sh
index 9d744ee..5668b4d 100644
--- a/snippets/git.sh
+++ b/snippets/git.sh
@@ -37,6 +37,10 @@ git remote | xargs -n 1 git push
 git lfs pull
 
 
+# Get the top-level directory of the current repository.
+git rev-parse --show-toplevel
+
+
 ##
 # Remove files from the latest commit.
 # --------------------------------------
diff --git a/snippets/postgres/primer.sql b/snippets/postgres/primer.sql
index 67bba76..908981a 100644
--- a/snippets/postgres/primer.sql
+++ b/snippets/postgres/primer.sql
@@ -204,6 +204,8 @@ WHERE grantee = 'engineers';
 GRANT USAGE ON SCHEMA bar_schema TO donald;
 GRANT ALL PRIVILEGES ON foo_table TO jonathan;
 GRANT admins TO joe;
+GRANT SELECT, INSERT ON foo_table IN SCHEMA public TO kevin;
+GRANT SELECT (col1), UPDATE (col1) ON ALL TABLES IN SCHEMA public TO zoe;
 
 
 -- Close the connection to the current DB