89 lines
2.8 KiB
Markdown
89 lines
2.8 KiB
Markdown
# jmove
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**Move source files. Keep every import intact.**
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`jmove` is a fast, single-binary CLI that moves/renames source files in a
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project and rewrites all import statements that reference them — no IDE,
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no language server, no runtime dependencies. Built for humans *and* AI
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agents.
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## Why
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`git mv` moves the file but breaks every relative import pointing at it.
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IDE renames fix imports but need an IDE. Existing CLI alternatives either
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shell out to heavy language servers (bun/ts-morph, Rope, gopls,
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rust-analyzer) or refuse to preview what they will change.
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jmove's answer:
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- **Dry-run + unified diff** — see every change before it hits disk.
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- **Atomic apply with rollback** — imports are rewritten first, the file
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moves last; any failure restores everything.
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- **AI-agent mode** — `--json` everywhere, stable error codes, exit codes,
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and a machine-readable skill doc (`docs/SKILL.md`).
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- **Pure Rust, one binary** — no external toolchains to install.
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- **Java support** — the package/directory coupling nobody else automates
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outside IntelliJ.
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## Install
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```sh
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# From a clone of this repo (installs `jmove` into ~/.cargo/bin, on PATH):
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cargo install --path . --locked
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# Latest published version (once jmove is on crates.io — not yet published):
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cargo install jmove
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```
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Use as a library (the CLI and the engine are separate targets; `jmove::core`
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holds indexing/planning/apply, `jmove::parser` the language frontends):
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```toml
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[dependencies]
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jmove = { git = "https://github.com/loki5512344/jmove" }
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# or, for a local checkout: jmove = { path = "../jmove" }
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```
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## Usage
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```sh
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# Preview what a move would change
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jmove mv src/utils/parser.ts src/core/parser.ts --dry-run
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# Apply it
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jmove mv src/utils/parser.ts src/core/parser.ts
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# Inside a git repo a tracked file moves via `git mv` (staged, history kept);
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# --no-git forces a plain rename
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jmove mv src/foo.ts src/bar/foo.ts --no-git
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# Java: jmove updates `package`, all `import`s and moves the file
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jmove mv src/com/example/utils/Parser.java src/com/example/core/Parser.java
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# Find broken imports (exit code 2 if any)
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jmove check
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# Auto-repair import problems (unused + missing imports today) — same dry-run/atomic engine
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jmove fix --dry-run
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jmove fix
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# AI-agent workflow
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jmove mv src/foo.ts src/bar/foo.ts --dry-run --json
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jmove mv src/foo.ts src/bar/foo.ts --json
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jmove check --json
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```
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See [docs/EXAMPLES.md](docs/EXAMPLES.md) for more, and
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[docs/SKILL.md](docs/SKILL.md) if you are an AI agent.
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## Roadmap
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TypeScript/JavaScript and Java (the open niche) are in — real-world tested
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on `google/guava`. `fix` auto-repairs small breakages on the same
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dry-run/atomic engine (unused, missing and misordered Java imports;
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TS rules next), then Python, Go. `split` (automatic file decomposition) is
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planned — no tool does it. Full plan: [docs/PLAN.md](docs/PLAN.md).
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## License
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GPL-3.0-only. See [LICENSE](LICENSE).
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