Squash Merges in Git and GitHub

How squash merging collapses a branch into one commit, why Git then can't tell the branch was merged, and how to detect and clean up those branches.

Content tagged squash-merge

• Snippet:git prune-branches: Delete Merged and Squash-Merged Branches

  Delete merged, squash-merged and rebased local Git branches safely.

  A git prune-branches command that deletes local branches merged into main — including GitHub squash merges git branch --merged misses — with a restore command for each.