[ARROW-13759] [C++] Update linting and formatting scripts to specify python3 in shebang line

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 6.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/29388
• Assignee: Nicola Crane
• Reporter: Nicola Crane
• Created: 25/Aug/21 18:22
• Updated: 11/Jan/23 08:35
• Resolved: 26/Aug/21 11:58

Description

Currently the script in cpp/build-support/run_clang_format.py requires modifying to run on any machines/environments where the shebang line #!/usr/bin/env python finds the system python2 instead of python3.

Updating the shebang line to read python3 instead of python would fix this.

Issue Links

• links to: GitHub Pull Request #11002