hackers_git:parse_user_yaml(): prune duplicate group names

1 files changed, 9 insertions, 4 deletions

diff --git a/src/nshd/hackers_git/hackers_parse.go b/src/nshd/hackers_git/hackers_parse.go
index 858347e..f7baa68 100644
--- a/src/nshd/hackers_git/hackers_parse.go
+++ b/src/nshd/hackers_git/hackers_parse.go
@@ -81,19 +81,24 @@ func parse_user_yaml(filename string) (ret user, err error) {
 		} else if ary, isTyp := iface.([]interface{}); !isTyp {
 			errs = append(errs, "\"groups\" is not an array")
 		} else {
-			groups := make([]string, len(ary))
+			groups := make(map[string]bool, len(ary))
 			e := false
-			for i, iface := range ary {
+			for _, iface := range ary {
 				if str, isTyp := iface.(string); !isTyp {
 					errs = append(errs, "\"group\" item is not an array")
 					e = true
 					break
 				} else {
-					groups[i] = str
+					groups[str] = true
 				}
 			}
 			if !e {
-				ret.groups = groups
+				ret.groups = make([]string, len(groups))
+				var i uint = 0
+				for group, _ := range groups {
+					ret.groups[i] = group
+					i++
+				}
 			}
 		}
 	}