arrange: separate actions in UI state from actions to apply c3e68e5b parent da78bfbc

When we're going to support squashing and combining descriptions in the `jj arrange` UI, I think we're going to want to do that by asking the user for the combined message(s) when they confirm and then we do all the rewrites at once. So I think we want separate data structures for the UI state indicates which operations and the resulting rewrite plan. This patch implements that. The code for applying the rewrite plan could potentially later be moved to jj-lib and be used by other commands.

authored by Martin von Zweigbergk

jj / .gitignore

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/target/
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/rendered-docs
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.direnv
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.envrc
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# Generated by nix build, nix-build
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result
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# Generated by the insta crate
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*.pending-snap
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*.snap*
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!cli/tests/cli-reference@.md.snap
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# Per user insta settings.
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# See https://insta.rs/docs/settings/#tool-config-file for details.
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.config/insta.yaml
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# Per user mise config
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mise.local.toml
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# mkdocs
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/.venv
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/.python-version
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# Editor specific ignores
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.idea
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.vscode
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.zed
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# Generated by setting `JJ_TRACE` environment variable.
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jj-trace-*.json
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# To make working on buck2 easier (#1997, #4413)
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/buck-out/
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