Handle the case where missing commits returns 0 commits, not just errors

Mark-Simulacrum · Mark-Simulacrum · commit 79613adc6615 · 2018-07-22T13:56:31.000-06:00
diff --git a/site/src/server.rs b/site/src/server.rs
@@ -313,7 +313,7 @@ pub fn handle_status_page(data: &InputData) -> status::Response {
 }
 
 pub fn handle_next_commit(data: &InputData) -> Option<String> {
-    data.missing_commits().ok().map(|c| c.into_iter().next().unwrap().sha)
+    data.missing_commits().ok().and_then(|c| c.into_iter().next()).map(|c| c.sha)
 }
 
 pub fn handle_graph(body: graph::Request, data: &InputData) -> ServerResult<graph::Response> {

Original file line number	Diff line number	Diff line change
`@@ -313,7 +313,7 @@ pub fn handle_status_page(data: &InputData) -> status::Response {`
`313`	`313`	`}`
`314`	`314`
`315`	`315`	`pub fn handle_next_commit(data: &InputData) -> Option<String> {`
`316`		`- data.missing_commits().ok().map(\|c\| c.into_iter().next().unwrap().sha)`
	`316`	`+ data.missing_commits().ok().and_then(\|c\| c.into_iter().next()).map(\|c\| c.sha)`
`317`	`317`	`}`
`318`	`318`
`319`	`319`	`pub fn handle_graph(body: graph::Request, data: &InputData) -> ServerResult<graph::Response> {`