Add changes to most recent commit

git commit --amend --no-edit

Reset/clear uncommitted changes

git restore -s HEAD .

Get the most recent commit message

git log -1 --pretty=%B

Get the most recent commit hash

git rev-parse HEAD

Check if you are inside of a repository

git rev-parse --is-inside-work-tree

Get the current branch

git branch --show-current

Get the default branch name from origin remote

git remote show origin | grep 'HEAD branch' | cut -d' ' -f5