1 files changed, 18 insertions, 1 deletions
diff --git a/user-info/src/lib.rs b/user-info/src/lib.rs
index bd5ff42..7a42db9 100644
--- a/user-info/src/lib.rs
+++ b/user-info/src/lib.rs
@@ -1,10 +1,18 @@
-use nix::unistd::{getuid, User};
+use nix::unistd::{getgroups, getuid, Group, User};
 
 pub fn get_username() -> Option<String> {
     let uid = getuid();
     User::from_uid(uid).ok().flatten().map(|user| user.name)
 }
 
+pub fn get_user_groups() -> Vec<String> {
+    let gids = getgroups().unwrap_or(Vec::default());
+    gids.into_iter()
+        .filter_map(|gid| Group::from_gid(gid).ok().flatten())
+        .map(|group| group.name)
+        .collect()
+}
+
 #[cfg(test)]
 mod test {
     use super::*;
@@ -17,4 +25,13 @@ mod test {
         let username_len = username.unwrap().trim().len();
         assert!(username_len > 0);
     }
+
+    #[test]
+    fn it_returns_some_groups() {
+        let groups = get_user_groups();
+        assert!(groups.len() > 0);
+        for group in groups {
+            assert!(group.trim().len() > 0);
+        }
+    }
 }