Don't blow away target/doc
authorAlex Crichton <alex@alexcrichton.com>
Tue, 29 Jul 2014 03:09:07 +0000 (20:09 -0700)
committerAlex Crichton <alex@alexcrichton.com>
Tue, 29 Jul 2014 04:13:08 +0000 (21:13 -0700)
commite97f46562d026920d55d38d171dc574a9668c439
tree8859fa912675005fe8ede34f595d463dfd18d7eb
parenta27f18f178242ee7ab84d07701be24e00b134562
Don't blow away target/doc

The existing rustdoc behavior for working with an already-present directory is
good enough, so there's no need for cargo to help out by blowing things away.
This also makes the copy-back portion easier by just not having it.

Closes #284
src/cargo/ops/cargo_doc.rs
tests/test_cargo_doc.rs