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feat(coding-agent): add --fork session flag closes #2290

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This commit is contained in:
Mario Zechner
2026-03-18 01:09:23 +01:00
parent fa877de1fb
commit 1a9185d3cb
4 changed files with 58 additions and 1 deletions
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45
packages/coding-agent/src/main.ts
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@@ -408,6 +408,32 @@ async function callSessionDirectoryHook(extensions: LoadExtensionsResult, cwd: s
return customSessionDir;
}
function validateForkFlags(parsed: Args): void {
if (!parsed.fork) return;
const conflictingFlags = [
parsed.session ? "--session" : undefined,
parsed.continue ? "--continue" : undefined,
parsed.resume ? "--resume" : undefined,
parsed.noSession ? "--no-session" : undefined,
].filter((flag): flag is string => flag !== undefined);
if (conflictingFlags.length > 0) {
console.error(chalk.red(`Error: --fork cannot be combined with ${conflictingFlags.join(", ")}`));
process.exit(1);
}
}
function forkSessionOrExit(sourcePath: string, cwd: string, sessionDir?: string): SessionManager {
try {
return SessionManager.forkFrom(sourcePath, cwd, sessionDir);
} catch (error: unknown) {
const message = error instanceof Error ? error.message : String(error);
console.error(chalk.red(`Error: ${message}`));
process.exit(1);
}
}
async function createSessionManager(
parsed: Args,
cwd: string,
@@ -423,6 +449,21 @@ async function createSessionManager(
effectiveSessionDir = await callSessionDirectoryHook(extensions, cwd);
}
if (parsed.fork) {
const resolved = await resolveSessionPath(parsed.fork, cwd, effectiveSessionDir);
switch (resolved.type) {
case "path":
case "local":
case "global":
return forkSessionOrExit(resolved.path, cwd, effectiveSessionDir);
case "not_found":
console.error(chalk.red(`No session found matching '${resolved.arg}'`));
process.exit(1);
}
}
if (parsed.session) {
const resolved = await resolveSessionPath(parsed.session, cwd, effectiveSessionDir);
@@ -439,7 +480,7 @@ async function createSessionManager(
console.log(chalk.dim("Aborted."));
process.exit(0);
}
return SessionManager.forkFrom(resolved.path, cwd, effectiveSessionDir);
return forkSessionOrExit(resolved.path, cwd, effectiveSessionDir);
}
case "not_found":
@@ -698,6 +739,8 @@ export async function main(args: string[]) {
process.exit(1);
}
validateForkFlags(parsed);
const { initialMessage, initialImages } = await prepareInitialMessage(
parsed,
settingsManager.getImageAutoResize(),