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commit

Use when asked to commit changes, create a typed branch, format history for a changelog, or rewrite messages of HEAD or an unpushed range. Not for pushing or a PR: use commit-push-pr.

.devin/skills/commit/SKILL.md

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Sep 28, 2026
License
Apache-2.0

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# Git commit

Shape commit messages to repository conventions. Two modes: `create` (default) stages and commits working-tree changes as typed, atomic commits; `rewrite` rewords the messages of existing commits over `HEAD` or a short unpushed range while the tree stays byte-identical.

## Contract

| Field | Bound contract |
|---|---|
| Trigger | Create: user asks to commit or save staged or unstaged changes, create a typed branch, or format history for changelog generation. Rewrite: user asks to clean up a finished commit message or bring messages of `HEAD` or a short unpushed range to handoff-ready form. |
| Authority | Reversible local: create writes only the local index, a local feature branch, and local commits; rewrite writes only local commit messages, shows the exact commit set before mutation, and never creates or suggests a new commit; rollback is version control, and for rewrite the reflog and the original refs. No remote mutation. |
| Side effect | Create: local working tree, local index, local branch refs, and local commit objects; rollback `git reset --soft <prior-HEAD>` removes the new commits while preserving their changes in the index and working tree, and `git branch -D <created-branch>` removes a branch this skill created. Rewrite: commit messages only; the tree stays byte-identical; each rewritten commit is re-signed with its author and committer dates preserved by position. Local history only. |
| Done | Create: each logical concern is committed with a value-communicating message; `git status` confirms success; commit hashes and subjects are reported; history is parseable and auto-generates changelogs, SemVer bumps, and issue closes. Rewrite: `git diff <old>..<new>` is empty, each rewritten commit is signed with the intended dates by position, and `git log` alone carries the handoff with the diff hidden. |

## Inputs