sandlot/src/commands/rebase.ts

58 lines
1.8 KiB
TypeScript

import { $ } from "bun"
import * as git from "../git.ts"
import * as vm from "../vm.ts"
import { spinner } from "../spinner.ts"
import { die } from "../fmt.ts"
import { requireSession, resolveConflicts } from "./helpers.ts"
const MAX_REBASE_ROUNDS = 10
export async function action(branch: string) {
const { root, session } = await requireSession(branch)
const worktree = session.worktree
if (await git.isDirty(worktree)) {
die(`Branch "${branch}" has unsaved changes. Run "sandlot save ${branch}" first.`)
}
const main = await git.mainBranch(root)
const fetchSpin = spinner("Fetching origin", branch)
await $`git -C ${root} fetch origin ${main}`.nothrow().quiet()
fetchSpin.text = `Rebasing onto origin/${main}`
let conflicts = await git.rebase(`origin/${main}`, worktree)
if (conflicts.length === 0) {
fetchSpin.succeed(`Rebased ${branch} onto ${main}`)
return
}
fetchSpin.stop()
console.log(`◆ Rebase conflicts in ${conflicts.length} file(s). Resolving with Claude...`)
const resolveSpin = spinner("Starting container", branch)
try {
await vm.ensure((msg) => { resolveSpin.text = msg })
let round = 1
while (conflicts.length > 0) {
if (round > MAX_REBASE_ROUNDS) {
throw new Error(`Exceeded ${MAX_REBASE_ROUNDS} conflict resolution rounds — aborting rebase`)
}
await resolveConflicts(conflicts, worktree, (file) => {
resolveSpin.text = `Resolving ${file} (round ${round})`
})
conflicts = await git.rebaseContinue(worktree)
round++
}
resolveSpin.succeed(`Rebased ${branch} onto ${main} (resolved ${round - 1} conflict round(s))`)
} catch (err) {
resolveSpin.fail(String((err as Error).message ?? err))
await git.rebaseAbort(worktree)
process.exit(1)
}
}