Homebrew cannot be installed with the provided install script in the homepage

[rlucha]

brew config output

brew doctor output

• The brew doctor above contains no "Warning" lines.

What were you trying to do (and why)?

Install home-brew from the script provided in the homepage

What happened (include all command output)?

Got a message in the console:

HEAD is now at 3c3bf1c74 Merge pull request #10865 from Bo98/fi-active_spec-sanity
error: Not a valid ref: refs/remotes/origin/master
fatal: ambiguous argument 'refs/remotes/origin/master': unknown revision or path not in the working tree.

What did you expect to happen?

To Homebrew to be installed properly

Step-by-step reproduction instructions (by running brew commands)

Go to to Homebrew homepage and copy the script in there.

Use the script locally in the terminal and check the error message.

[rlucha]

All right, found in Stack Overflow that an git email needs to be configured first. Sorry about the noise.