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`curl -fsSL https://install.dev.fast/diffr | sh` finds the newest `diffr/X.Y.Z` release of devdotfast/whiteboard (or DIFFR_VERSION), checks its archive against the release's SHA256SUMS, and puts diffr and diffr-tui in DIFFR_INSTALL_DIR, ~/.local/bin by default. Then it runs `diffr config init` on /dev/tty when there is a terminal, and otherwise prints the `config init --json` command for an agent. The release already publishes the archives and SHA256SUMS, so the release workflow does not change. Claude-Session: https://claude.ai/code/session_01LYrgBPQFAiQVjNV6D7UkQv Agent-Session: 01a11aca-5007-7b80-ad35-c0a0f746a05d Agent-Session: ec5d2c35-3045-44f3-9c41-ba4378797c8e Agent-Session: 01a11cf1-8ad4-7910-b120-b0d622692a95 Agent-Session: 01a11ded-d896-7251-bf8f-c71bf07fd283 Agent-Session: 01a11e03-81df-7d63-bfa5-953f535444d2 Agent-Session: 01a11e0a-d042-71d2-9bc9-ac7b652487d1 Agent-Session: b5985b3c-e5d2-4bb4-b6ac-7fec168d8328 Agent-Session: 7ba69deb-2039-47e6-900f-0f30a79e167a Agent-Session: 01a11ecf-aa86-7a81-a5e6-c5dfe72d48eb
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One command installs diffr and its Claude Code plugin: ```sh curl -fsSL https://install.dev.fast/diffr | sh ``` Commit by commit: - **`DIFFR_CONFIG_DIR`**: a host such as Whiteboard can keep its own diffr config file. Without the variable, diffr reads the same file as before. - **`--help` guides**: `diffr --help` ends with a guide for agents (`docs/agents.md`), and `diffr config --help` with the plugins guide (`docs/plugin.md`). `-h` stays short. An agent runs `diffr --help` in its shell, so what it reads always matches the installed diffr. - **`diffr config init`**: in a terminal, asks which agents get the diffr plugin and which provider writes summaries, and asks for a key only when neither the config nor the environment has one. Without a terminal, `config init --json` prints the questions and a schema, and `config init --json ANSWERS` applies them; the key never goes through `--json`. Claude Code is the only agent: `claude plugin install diffr@devfast` after adding or updating the devfast marketplace, the same marketplace Whiteboard's plugin uses. Installed agents are recorded in `$XDG_STATE_HOME/diffr/install.json`, outside the synced config directory. - **`install.sh`**: finds the newest `diffr/X.Y.Z` release (or `DIFFR_VERSION`), checks the archive against the release's SHA256SUMS, installs diffr and diffr-tui in `DIFFR_INSTALL_DIR` (`~/.local/bin` by default), then runs `diffr config init` on a first install. - **Install module**: what `config init` installs moves to `install.rs`, so `upgrade` and `uninstall` use it without the prompts. No behavior change. - **`diffr upgrade` and `diffr uninstall`**: work the way diffr was installed, read from where the binary is (Homebrew, Cargo, inside `node_modules`: refuse, otherwise install.sh). After an upgrade, each recorded agent updates its plugin. `uninstall` keeps `~/.config/diffr`, which Whiteboard shares. - **Docs**: the plugins guide for agents, the man page's commands, files and environment, and a README that leads with the install script. - **Summaries**: `config init` asks yes or no for pseudocode summaries, then the provider, then its key. - **PATH and failures**: install.sh offers to put diffr on PATH and points install failures at the issue tracker. - **Steps**: setup shows each step as it runs. ## Before the install route goes live - Release `diffr/0.1.18` after this and #1019 merge. install.sh installs the newest `diffr/*` release; 0.1.17 has no `config init` or `upgrade`, and the plugin needs 0.1.18. - Then merge Fix-Fast/dev#1119, which points `install.dev.fast/diffr` at `diffr/install.sh` on main. ## Testing - `cargo fmt --check` and `cargo test`, including the CLI tests for `DIFFR_CONFIG_DIR`, the `--help` guides, `config init --json`, `upgrade` and `uninstall`. Replaces #1039, #1040, #1054, #1056, #1057 and #1063. Stack: #1065 → #1066 → #1019 → #1023 → #1024 → #1025 → #1026 https://claude.ai/code/session_01HNbERuYJjvvAjBN19zEDbo
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curl -fsSL https://install.dev.fast/diffr | shfinds the newestdiffr/X.Y.Zrelease of devdotfast/whiteboard (or DIFFR_VERSION), checksits archive against the release's SHA256SUMS, and puts diffr and
diffr-tui in DIFFR_INSTALL_DIR, ~/.local/bin by default. Then it runs
diffr config initon /dev/tty when there is a terminal, and otherwiseprints the
config init --jsoncommand for an agent.The release already publishes the archives and SHA256SUMS, so the
release workflow does not change.
https://claude.ai/code/session_01LYrgBPQFAiQVjNV6D7UkQv