Commit a0aac702 authored by Andrew Jones's avatar Andrew Jones Committed by Hero Bird
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[cli] handle error when contract package already exists, friendly error messages (#177)

* [cli] handle directory already exists, display friendly errors

* [cli] rustfmt

* [cli] don't overwrite existing files

* [cli] add test

* [cli] atomic check for file exists on create

* [cli] derive From/Display impls, remove CommandErrorKind
parent 9cf5a571
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