GitHub SSH failure due to insteadOf git configuration

[nyurik]

Describe the bug
If a user has automatic git redirect from https to ssh, cargo generate fails with the invalid or unknown remote ssh hostkey error.

make sure you

• I'm on the latest rust version rustup update
• I'm on the latest cargo-generate version cargo install cargo-generate
• In case you have an own .gitconfig, provide all sections that contains one of: insteadOf, url

To Reproduce

• In ~/.gitconfig (on Linux), add this section:

[url "ssh://git@github.com/"]
	insteadOf = https://github.com/

• Make sure your ssh key is properly configured in your github account, and it matches your user name
• First test that it works as is, and observe that the remote is using SSH rather than https despite cloning http:

❯ git clone https://github.com/Rahix/avr-hal-template
Cloning into 'avr-hal-template'...
...
❯ cd avr-hal-template/
❯ git remote -v
origin	ssh://git@github.com/Rahix/avr-hal-template (fetch)          <--------------  THESE TWO MUST BE ssh://git@...
origin	ssh://git@github.com/Rahix/avr-hal-template (push)
❯ cd ..
❯ rm -rf avr-hal-template/

• Run cargo generate --git https://github.com/rahix/avr-hal-template

❯ cargo generate --git https://github.com/rahix/avr-hal-template
Error: Please check if the Git user / repository exists.

Caused by:
    invalid or unknown remote ssh hostkey; class=Ssh (23); code=Certificate (-17)

Expected behavior
generation should start

Desktop (please complete the following information):

• OS: Linux Mint
• Version: 21.1
• Build tools: a lot of them
• Shell: bash
• rustc --version: rustc 1.67.1 (d5a82bbd2 2023-02-07)
• cargo generate --version: cargo generate-generate 0.17.6

[Yiwen-Gao]

I have the same Git setting to use SSH instead of HTTPS and ran into the same issue with:

cargo generate --git https://github.com/CosmWasm/cw-template.git --name cw --verbose

but my error message was:

Error: Please check if the Git user / repository exists.

Caused by:
    all authentication attempts failed

As a workaround, I commented out the insteadOf directive in my ~/.gitconfig, and cargo generate was able to authenticate and download everything correctly.