git-scm.com

Fold follow-up fixes into earlier commits with git commit --fixup and git rebase --autosquash

List, repair, and clean up stale Git worktrees

Initialize and sync submodules in a fresh clone (git submodule update --init --recursive)

Add a Git submodule and track a pinned version of another repository

Amend the most recent commit message or contents with git commit --amend

Apply specific commits from another branch with git cherry-pick (including conflicts and merges)

Undo a pushed commit by creating an inverse commit with git revert

Recover commits lost to a reset, rebase, or branch deletion using git reflog

Check out multiple branches simultaneously with git worktree add

Move a topic branch onto a different base commit with git rebase --onto

Squash, reword, and reorder commits with git rebase -i (interactive rebase)