Add gocritic

Signed-off-by: m.nabokikh <maksim.nabokikh@flant.com>

connector/authproxy/authproxy.go

@@ -34,7 +34,7 @@ func (m *callback) LoginURL(s connector.Scopes, callbackURL, state string) (stri
 	if err != nil {
 		return "", fmt.Errorf("failed to parse callbackURL %q: %v", callbackURL, err)
 	}
-	u.Path = u.Path + m.pathSuffix
+	u.Path += m.pathSuffix
 	v := u.Query()
 	v.Set("state", state)
 	u.RawQuery = v.Encode()

connector/github/github.go

@@ -334,11 +334,12 @@ func (c *githubConnector) Refresh(ctx context.Context, s connector.Scopes, ident
 
 // getGroups retrieves GitHub orgs and teams a user is in, if any.
 func (c *githubConnector) getGroups(ctx context.Context, client *http.Client, groupScope bool, userLogin string) ([]string, error) {
-	if len(c.orgs) > 0 {
+	switch {
+	case len(c.orgs) > 0:
 		return c.groupsForOrgs(ctx, client, userLogin)
-	} else if c.org != "" {
+	case c.org != "":
 		return c.teamsForOrg(ctx, client, c.org)
-	} else if groupScope && c.loadAllGroups {
+	case groupScope && c.loadAllGroups:
 		return c.userGroups(ctx, client)
 	}
 	return nil, nil

connector/ldap/ldap.go

@@ -188,7 +188,7 @@ func parseScope(s string) (int, bool) {
 // See "Config.GroupSearch.UserMatchers" comments for the details
 func (c *ldapConnector) userMatchers() []UserMatcher {
 	if len(c.GroupSearch.UserMatchers) > 0 && c.GroupSearch.UserMatchers[0].UserAttr != "" {
-		return c.GroupSearch.UserMatchers[:]
+		return c.GroupSearch.UserMatchers
 	}
 
 	return []UserMatcher{
@@ -245,9 +245,9 @@ func (c *Config) openConnector(logger log.Logger) (*ldapConnector, error) {
 	if host, _, err = net.SplitHostPort(c.Host); err != nil {
 		host = c.Host
 		if c.InsecureNoSSL {
-			c.Host = c.Host + ":389"
+			c.Host += ":389"
 		} else {
-			c.Host = c.Host + ":636"
+			c.Host += ":636"
 		}
 	}