cargo concordium init does not work if non-empty concordium-contracts-common folder exists

[Bargsteen]

Bug Description

cargo concordium init does not work if non-empty concordium-contracts-common folder exists.

Steps to Reproduce

1. Create a non-empty folder named concordium-contracts-common: mkdir concordium-contracts-common; touch concordium-contracts-common/a.txt
2. Run cargo concordium init

Expected Result
The wizard starts correctly:

❯ cargo concordium init
? 🤷   Which template should be expanded? ›
❯ cis2-nft
  default

Actual Result
The wizard cannot run:

❯ cargo concordium init
Error: Please check if the Git user / repository exists.

Caused by:
    'concordium-contracts-common' exists and is not an empty directory; class=Invalid (3); code=Exists (-4)
Error: Could not create a new Concordium smart contract project.

Caused by:
    Could not use the template to initialize the project.

Versions

• Software Version: cargo concordium 2.5.0
• OS: macOS

[abizjak]

This is fundamentally a bug in cargo generate and further it is actually a bug in its dependency (libgit2/libgit2#5830)

I have reported a bug to cargo-generate with a suggested workaround cargo-generate/cargo-generate#839