The snippet library.
Small, practical examples. Search by task or narrow things down below.
Count commits unique to each of two branches
Git: The symmetric difference with left-right separates commits reachable from only one side.
Git✓ Tested
Create a branch from a known release tag
Git: A named starting revision makes the branch’s initial commit explicit.
Git✓ Tested
Delete an already merged practice branch
Git: The lowercase -d option refuses to delete an unmerged branch in ordinary use.
Git✓ Tested
Find branches that contain a selected commit
Git: branch --contains limits the list to branches whose histories include the chosen revision.
Git✓ Tested
Inspect a revision with detached HEAD
Git: Detached mode is useful for inspection; create a branch before keeping new work.
Git✓ Tested
List branches already merged into the current branch
Git: The merged filter reports branches whose tips are reachable from HEAD.
Git✓ Tested
Read the current branch name
Git: show-current returns an empty string when HEAD is detached.
Git✓ Tested
Rename the current branch
Git: branch -m changes the local branch name without creating a new commit.
Git✓ Tested
Return to the previously checked-out branch
Git: The dash shorthand selects the previous branch in the checkout history.
Git✓ Tested
Test whether one revision is an ancestor of another
Git: merge-base --is-ancestor reports its answer through the exit status.
Git✓ Tested