Inexisting dependencies are still fetched and reported fine

[ferd]

Rebar returns successfully if it fails to fetch deps appropriately during the compile command.

λ c → cat rebar.config
{deps, [{bad, ".*", {git, "git@bitbucket.org:ferd/fake-repo.git", "master"}}]}.
λ c → DEBUG=1 ~/code/self/rebar3/rebar3 compile
===> Consult config file "rebar.config"
===> Consult config file "rebar.lock"
===> Consult config file "/tmp/c/rebar.config"
===> Consult config file "rebar.lock"
===> Consult config file "/tmp/c/rebar.config"
===> Fetching bad
===> WARNING: It is recommended to use {branch, Name}, {tag, Tag} or {ref, Ref}, otherwise updating the dep may not work as expected.
===> sh info:
        cwd: "/tmp/c"
        cmd: git clone -n git@bitbucket.org:ferd/fake-repo.git .tmp_dir857810636347

===>    opts: [{cd,"/tmp"}]

===> Port Cmd: "git clone -n git@bitbucket.org:ferd/fake-repo.git .tmp_dir857810636347"
Port Opts: [{cd,"/tmp"},
            exit_status,
            {line,16384},
            use_stdio,stderr_to_stdout,hide]

===> sh(git clone -n git@bitbucket.org:ferd/fake-repo.git .tmp_dir857810636347)
failed with return code 128 and the following output:
Cloning into '.tmp_dir857810636347'...
Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

λ c → echo $!
0

The status code remains 0 whether it runs as install_deps or compile.

And the resulting tree:

λ c → tree _build
_build
└── default
    └── lib
        └── bad