feat(gatsby-cli): Initialize the newly cloned repository as git

[caulagi]

Description

Initialize the newly cloned repository as a git repo. This is useful because a lot of the tooling (shell prompts, grep (via ripgrep), etc) honor .gitignore rules, when the directory has .git. I add the following two lines at the end gatsby new output -

info Initialising git in test
Initialized empty Git repository in /private/tmp/test/.git/

[sidharthachatterjee]

Thank you so much for this @caulagi

Have you considered creating the initial commit as well?

[sidharthachatterjee]

@pieh also makes a great point about creating a .gitignore file if it doesn't exist (if a starter didn't include it by mistake) and ensuring it contains .cache, public and node_modules

Would you like to add these to pull request?

[caulagi]

Thanks. I added the functionality to create a minimal .gitignore if it is missing.

Creating an initial commit should have a switch perhaps, so we can disable it? In that case, it would be a separate PR.

[sidharthachatterjee]

I think we should make an initial commit by default. The Angular CLI, ember-cli and create-react-app do this. Do we want to add a flag to disable this, @pieh? I personally think we can add a flag later if enough people want to be able to opt out.

One more thing (sorry I should've mentioned earlier!): we want to check if the folder is already a mercurial or git repo before calling git init

Presence of .git and .hg should be enough, I think

[pieh]

One more thing (sorry I should've mentioned earlier!): we want to check if the folder is already a mercurial or git repo before calling git init

Presence of .git and .hg should be enough, I think

Just the way we scaffold starters is by cloning starter git repository and purging .git directory (to get rid of git history associated with starter development), so .git won't be there and .hg shouldn't be there? unless someone commits it to git repo?

[sidharthachatterjee]

so .git won't be there and .hg shouldn't be there? unless someone commits it to git repo?

Oh yeah! I was thinking of sites created within a monorepo but that is trickier to test for

[caulagi]

I added an initial git commit. The last few lines now look like this -

info Initialising git in g6
Initialized empty Git repository in /private/tmp/nn/g6/.git/
info Creating minimal .gitignore in g6
info Create initial git commit in g6

[sidharthachatterjee]

LGTM

[wardpeet]

Tested and works 👌

Time to get this merged! Thank you @caulagi to getting this done!

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