Fix fork button (#6223)

public/less/_repository.less

@@ -1875,3 +1875,23 @@ tbody.commit-list {
     display: flex;
     align-items: center;
 }
+
+.repo-buttons .disabled-repo-button .label {
+  opacity: .5;
+}
+
+.repo-buttons .disabled-repo-button a.button {
+  opacity: .5;
+  cursor: not-allowed;
+}
+
+.repo-buttons .disabled-repo-button a.button:hover {
+  background: none !important;
+  color: rgba(0,0,0,.6) !important;
+  box-shadow: 0 0 0 1px rgba(34,36,38,.15) inset !important;
+}
+
+.repo-buttons .ui.labeled.button > .label {
+  border-left: none !important;
+  margin: 0 !important;
+}

templates/repo/header.tmpl

@@ -29,7 +29,7 @@
 					</a>
 				</div>
 				{{if and (not .IsEmpty) ($.Permission.CanRead $.UnitTypeCode)}}
-					<div class="ui labeled button {{if and (not $.CanSignedUserFork) ($.IsSigned)}}disabled{{end}}" tabindex="0">
+					<div class="ui labeled button {{if and ($.IsSigned) (not $.CanSignedUserFork)}}disabled-repo-button{{end}}" tabindex="0">
 						<a class="ui compact basic button {{if or (not $.IsSigned) (not $.CanSignedUserFork)}}poping up{{end}}" {{if $.CanSignedUserFork}}href="{{AppSubUrl}}/repo/fork/{{.ID}}"{{else if $.IsSigned}} data-content="{{$.i18n.Tr "repo.fork_from_self"}}" {{ else }} data-content="{{$.i18n.Tr "repo.fork_guest_user" }}" href="{{AppSubUrl}}/user/login?redirect_to={{AppSubUrl}}/repo/fork/{{.ID}}" {{end}} data-position="top center" data-variation="tiny">
 							<i class="octicon octicon-repo-forked"></i>{{$.i18n.Tr "repo.fork"}}
 						</a>