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feat(cli): add --data-dir flag to isolate local state

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Add --data-dir option to all CLI commands, allowing users to override
the default ~/.paperclip root for config, context, database, logs, and
storage. Includes preAction hook to auto-derive --config and --context
paths when --data-dir is set. Add unit tests and doc updates.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Dotta 2026-03-02 14:20:37 -06:00
parent ba388dc382
commit cabf09e7b1
8 changed files with 176 additions and 0 deletions
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48
cli/src/config/data-dir.ts Normal file
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import path from "node:path";
import {
expandHomePrefix,
resolveDefaultConfigPath,
resolveDefaultContextPath,
resolvePaperclipInstanceId,
} from "./home.js";
export interface DataDirOptionLike {
dataDir?: string;
config?: string;
context?: string;
instance?: string;
}
export interface DataDirCommandSupport {
hasConfigOption?: boolean;
hasContextOption?: boolean;
}
export function applyDataDirOverride(
options: DataDirOptionLike,
support: DataDirCommandSupport = {},
): string | null {
const rawDataDir = options.dataDir?.trim();
if (!rawDataDir) return null;
const resolvedDataDir = path.resolve(expandHomePrefix(rawDataDir));
process.env.PAPERCLIP_HOME = resolvedDataDir;
if (support.hasConfigOption) {
const hasConfigOverride = Boolean(options.config?.trim()) || Boolean(process.env.PAPERCLIP_CONFIG?.trim());
if (!hasConfigOverride) {
const instanceId = resolvePaperclipInstanceId(options.instance);
process.env.PAPERCLIP_INSTANCE_ID = instanceId;
process.env.PAPERCLIP_CONFIG = resolveDefaultConfigPath(instanceId);
}
}
if (support.hasContextOption) {
const hasContextOverride = Boolean(options.context?.trim()) || Boolean(process.env.PAPERCLIP_CONTEXT?.trim());
if (!hasContextOverride) {
process.env.PAPERCLIP_CONTEXT = resolveDefaultContextPath();
}
}
return resolvedDataDir;
}