feat: add project git init api (#16383)

packages/opencode/src/project/instance.ts

@@ -18,24 +18,60 @@ const disposal = {
   all: undefined as Promise<void> | undefined,
 }
 
+function emit(directory: string) {
+  GlobalBus.emit("event", {
+    directory,
+    payload: {
+      type: "server.instance.disposed",
+      properties: {
+        directory,
+      },
+    },
+  })
+}
+
+function boot(input: { directory: string; init?: () => Promise<any>; project?: Project.Info; worktree?: string }) {
+  return iife(async () => {
+    const ctx =
+      input.project && input.worktree
+        ? {
+            directory: input.directory,
+            worktree: input.worktree,
+            project: input.project,
+          }
+        : await Project.fromDirectory(input.directory).then(({ project, sandbox }) => ({
+            directory: input.directory,
+            worktree: sandbox,
+            project,
+          }))
+    await context.provide(ctx, async () => {
+      await input.init?.()
+    })
+    return ctx
+  })
+}
+
+function track(directory: string, next: Promise<Context>) {
+  const task = next.catch((error) => {
+    if (cache.get(directory) === task) cache.delete(directory)
+    throw error
+  })
+  cache.set(directory, task)
+  return task
+}
+
 export const Instance = {
   async provide<R>(input: { directory: string; init?: () => Promise<any>; fn: () => R }): Promise<R> {
     let existing = cache.get(input.directory)
     if (!existing) {
       Log.Default.info("creating instance", { directory: input.directory })
-      existing = iife(async () => {
-        const { project, sandbox } = await Project.fromDirectory(input.directory)
-        const ctx = {
+      existing = track(
+        input.directory,
+        boot({
           directory: input.directory,
-          worktree: sandbox,
-          project,
-        }
-        await context.provide(ctx, async () => {
-          await input.init?.()
-        })
-        return ctx
-      })
-      cache.set(input.directory, existing)
+          init: input.init,
+        }),
+      )
     }
     const ctx = await existing
     return context.provide(ctx, async () => {
@@ -66,19 +102,19 @@ export const Instance = {
   state<S>(init: () => S, dispose?: (state: Awaited<S>) => Promise<void>): () => S {
     return State.create(() => Instance.directory, init, dispose)
   },
+  async reload(input: { directory: string; init?: () => Promise<any>; project?: Project.Info; worktree?: string }) {
+    Log.Default.info("reloading instance", { directory: input.directory })
+    await State.dispose(input.directory)
+    cache.delete(input.directory)
+    const next = track(input.directory, boot(input))
+    emit(input.directory)
+    return await next
+  },
   async dispose() {
     Log.Default.info("disposing instance", { directory: Instance.directory })
     await State.dispose(Instance.directory)
     cache.delete(Instance.directory)
-    GlobalBus.emit("event", {
-      directory: Instance.directory,
-      payload: {
-        type: "server.instance.disposed",
-        properties: {
-          directory: Instance.directory,
-        },
-      },
-    })
+    emit(Instance.directory)
   },
   async disposeAll() {
     if (disposal.all) return disposal.all

packages/opencode/src/project/project.ts

@@ -347,6 +347,21 @@ export namespace Project {
     return fromRow(row)
   }
 
+  export async function initGit(input: { directory: string; project: Info }) {
+    if (input.project.vcs === "git") return input.project
+    if (!which("git")) throw new Error("Git is not installed")
+
+    const result = await git(["init", "--quiet"], {
+      cwd: input.directory,
+    })
+    if (result.exitCode !== 0) {
+      const text = result.stderr.toString().trim() || result.text().trim()
+      throw new Error(text || "Failed to initialize git repository")
+    }
+
+    return (await fromDirectory(input.directory)).project
+  }
+
   export const update = fn(
     z.object({
       projectID: z.string(),