orca/src/main/worktree-create-base-prefet...

70 lines
2.3 KiB
TypeScript

import { isFolderRepo } from '../shared/repo-kind'
import type { Repo } from '../shared/types'
import { hasLocalCommitObject } from './git/commit-object-ref'
import { getDefaultBaseRef } from './git/repo'
import { getSshGitProvider } from './providers/ssh-git-dispatch'
import { prefetchRemoteWorktreeCreateBase } from './ipc/worktree-remote'
type RemoteTrackingBaseForPrefetch = {
remote: string
branch: string
ref: string
base: string
}
type WorktreeCreateBasePrefetchRuntime = {
resolveRemoteTrackingBase: (
repoPath: string,
baseBranch: string
) => Promise<RemoteTrackingBaseForPrefetch | null>
getOrStartRemoteTrackingBaseRefresh: (
repoPath: string,
base: RemoteTrackingBaseForPrefetch
) => Promise<unknown>
fetchRemoteWithCache: (repoPath: string, remote: string) => Promise<void>
}
async function prefetchLocalWorktreeCreateBase(
repo: Repo,
baseBranch: string | undefined,
runtime: WorktreeCreateBasePrefetchRuntime
): Promise<void> {
const resolvedBaseBranch = baseBranch || repo.worktreeBaseRef || getDefaultBaseRef(repo.path)
if (!resolvedBaseBranch) {
return
}
if (await hasLocalCommitObject(repo.path, resolvedBaseBranch)) {
// Why: hosted-review start points can be verified commit SHAs; a broad
// remote fetch cannot make an already-local object fresher.
return
}
const remoteTrackingBase = await runtime.resolveRemoteTrackingBase(repo.path, resolvedBaseBranch)
if (remoteTrackingBase) {
await runtime.getOrStartRemoteTrackingBaseRefresh(repo.path, remoteTrackingBase)
return
}
// Why: keep optimistic prefetch on the same best-effort fallback path as
// create so the real create can reuse the runtime's remote fetch cache.
await runtime.fetchRemoteWithCache(repo.path, 'origin')
}
export async function prefetchWorktreeCreateBase(args: {
repo: Repo
baseBranch?: string
runtime: WorktreeCreateBasePrefetchRuntime
}): Promise<void> {
if (isFolderRepo(args.repo)) {
return
}
if (args.repo.connectionId) {
const provider = getSshGitProvider(args.repo.connectionId)
if (!provider) {
return
}
await prefetchRemoteWorktreeCreateBase(provider, args.repo, { baseBranch: args.baseBranch })
return
}
await prefetchLocalWorktreeCreateBase(args.repo, args.baseBranch, args.runtime)
}