Fix occasional bootstrap panic in docs.

ehuss · ehuss · commit 561d5acb9e6a · 2020-07-07T06:37:47.000-07:00
diff --git a/src/bootstrap/doc.rs b/src/bootstrap/doc.rs
@@ -156,7 +156,7 @@ impl Step for RustbookSrc {
         let index = out.join("index.html");
         let rustbook = builder.tool_exe(Tool::Rustbook);
         let mut rustbook_cmd = builder.tool_cmd(Tool::Rustbook);
-        if up_to_date(&src, &index) && up_to_date(&rustbook, &index) {
+        if builder.config.dry_run || up_to_date(&src, &index) && up_to_date(&rustbook, &index) {
             return;
         }
         builder.info(&format!("Rustbook ({}) - {}", target, name));

Original file line number	Diff line number	Diff line change
`@@ -156,7 +156,7 @@ impl Step for RustbookSrc {`
`156`	`156`	`let index = out.join("index.html");`
`157`	`157`	`let rustbook = builder.tool_exe(Tool::Rustbook);`
`158`	`158`	`let mut rustbook_cmd = builder.tool_cmd(Tool::Rustbook);`
`159`		`- if up_to_date(&src, &index) && up_to_date(&rustbook, &index) {`
	`159`	`+ if builder.config.dry_run \|\| up_to_date(&src, &index) && up_to_date(&rustbook, &index) {`
`160`	`160`	`return;`
`161`	`161`	`}`
`162`	`162`	`builder.info(&format!("Rustbook ({}) - {}", target, name));`