Add support for path dependencies #607
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Adding a path dependency to a rustler Cargo.toml gives this cryptic
error:
== Compilation error in file lib/multiplayer_backend/project_mutator.ex ==
** (Protocol.UndefinedError) protocol Enumerable not implemented for nil of type Atom
(elixir 1.16.1) lib/enum.ex:1: Enumerable.impl_for!/1
(elixir 1.16.1) lib/enum.ex:166: Enumerable.reduce/3
(elixir 1.16.1) lib/enum.ex:4399: Enum.filter/2
(rustler 0.32.1) lib/rustler/compiler/config.ex:130: Rustler.Compiler.Config.gather_local_crates/4
(rustler 0.32.1) lib/rustler/compiler/config.ex:108: Rustler.Compiler.Config.external_resources/3
(rustler 0.32.1) lib/rustler/compiler/config.ex:79: Rustler.Compiler.Config.build/1
(rustler 0.32.1) lib/rustler/compiler.ex:8: Rustler.Compiler.compile_crate/3
lib/multiplayer_backend/project_mutator.ex:2: (module)
Somehow this dependency slips nil's in the specs, so we just filter them
out.
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What changes
Fix a bug when adding a path dependency to a rustler Cargo.toml that gives this cryptic error:
Somehow this dependency slips nil's in the specs, so we just filter them out.
How to test
Clone this repository and try to build it to reproduce the error. Uncomment the
rustlerdependency pointing to this PR to fix.