Improve message with unspecified install target.

When the crate to install is unspecified, we should really inform users about
where they can install from (other than crates.io).  This makes the message mention --path
and --git so that people know they exist.

diff --git a/src/cargo/ops/cargo_install.rs b/src/cargo/ops/cargo_install.rs
index f65490519749ca43f841008337768bd8ad257d88..dc02233809e63b2e7176c6f968a2a9236019864d 100644 (file)
--- a/src/cargo/ops/cargo_install.rs
+++ b/src/cargo/ops/cargo_install.rs
@@ -56,7 +56,8 @@ pub fn install(root: Option<&str>,
         try!(select_pkg(RegistrySource::new(source_id, config),
                         source_id, krate, vers,
                         &mut |_| Err(human("must specify a crate to install from \
-                                            crates.io"))))
+                                            crates.io, or use --path or --git to \
+                                            specify alternate source"))))
     };
 
     let mut list = try!(read_crate_list(&root));

diff --git a/tests/test_cargo_install.rs b/tests/test_cargo_install.rs
index 8ccc024aeba3e5dbd6b00c9544b8f50dc4f507ec..8a91c368f29550f314827b8713a384db279bd3a3 100644 (file)
--- a/tests/test_cargo_install.rs
+++ b/tests/test_cargo_install.rs
@@ -122,7 +122,8 @@ could not find `foo` in `registry file://[..]` with version `0.2.0`
 test!(no_crate {
     assert_that(cargo_process("install"),
                 execs().with_status(101).with_stderr("\
-must specify a crate to install from crates.io
+must specify a crate to install from crates.io, or use --path or --git \
+to specify alternate source
 "));
 });