Empty meta projects with no source code fail (e.g. roave/security-advisories) #69
Description
roave/security-advisories is a security package to conflict with known bad packages.
Thus it does not have a directory and causes an error:
- Adding dependency "roave/security-advisories" from "vendor/roave/security-advisories/"
[InvalidArgumentException]
The "/Users/necrogami/code/mac/vendor/roave/security-advisories/" directory does not exist.