build: usageAndErr clean exit (#2194)

shritesh · andrewrk · commit 66fab05eba91 · 2019-04-05T18:38:11.000-04:00
* build: usageAndErr clean exit
diff --git a/std/special/build_runner.zig b/std/special/build_runner.zig
@@ -200,9 +200,9 @@ fn usage(builder: *Builder, already_ran_build: bool, out_stream: var) !void {
     );
 }
 
-fn usageAndErr(builder: *Builder, already_ran_build: bool, out_stream: var) anyerror {
+fn usageAndErr(builder: *Builder, already_ran_build: bool, out_stream: var) void {
     usage(builder, already_ran_build, out_stream) catch {};
-    return error.InvalidArgs;
+    os.exit(1);
 }
 
 const UnwrapArgError = error{OutOfMemory};

Original file line number	Diff line number	Diff line change
`@@ -200,9 +200,9 @@ fn usage(builder: *Builder, already_ran_build: bool, out_stream: var) !void {`
`200`	`200`	`);`
`201`	`201`	`}`
`202`	`202`
`203`		`-fn usageAndErr(builder: *Builder, already_ran_build: bool, out_stream: var) anyerror {`
	`203`	`+fn usageAndErr(builder: *Builder, already_ran_build: bool, out_stream: var) void {`
`204`	`204`	`usage(builder, already_ran_build, out_stream) catch {};`
`205`		`- return error.InvalidArgs;`
	`205`	`+ os.exit(1);`
`206`	`206`	`}`
`207`	`207`
`208`	`208`	`const UnwrapArgError = error{OutOfMemory};`