[gazebo] build failure to detect committer identity

[acxz]

Building in clean chroot: (i.e. paru -Ui --chroot)

==> Retrieving sources...
==> WARNING: Skipping all source file integrity checks.
==> Extracting sources...
  -> Creating working copy of gazebo git repo...
Cloning into 'gazebo'...
done.
Updating files: 100% (3695/3695), done.
Switched to a new branch 'makepkg'
==> Starting prepare()...
Committer identity unknown

*** Please tell me who you are.

Run

  git config --global user.email "you@example.com"
  git config --global user.name "Your Name"

to set your account's default identity.
Omit --global to set the identity only in this repository.

fatal: unable to auto-detect email address (got 'builduser@acxz.(none)')
==> ERROR: A failure occurred in prepare().
    Aborting...
==> ERROR: Build failed, check /var/lib/aurbuild/x86_64/acxz/build
error: failed to download sources: failed to run: makechrootpkg -cu -r /var/lib/aurbuild/x86_64 -D /home/acxz/.cache/paru/repo -d /var/cache/pacman/pkg/ -- -ofA: