Getting head revision id from Git

Getting git commit id for the HEAD revision in a specific working directory, without changing current directory:

git -C ~/public_notes rev-parse HEAD

Output example:

bf27c74435e836ef3ef43ccc4e01d3e4fd708201

Short id:

git -C ~/public_notes rev-parse --short HEAD

Output example:

bf27c74

Somewhat related:

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• List changed files for the current git branch 2023/09/12
• How to push git tags 2023/08/11
• Starting a new git branch in the past 2023/08/10