Cope with CARGO_HOME existing, but not rustup

emk / heroku-buildpack-rust

A buildpack for Rust applications on Heroku, with full support for Rustup, cargo and build caching.

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Open palfrey opened 1 year ago

palfrey commented 1 year ago

Was upgrading an app that used https://github.com/Hoverbear/heroku-buildpack-rust before and got the error

-----> Checking for new releases of Rust stable channel        
/tmp/buildpacks/custom/bin/compile: line 107: rustup: command not found

This fixes the rustup detection