feat(core): copy file changes when warping (#26190)

packages/opencode/src/server/routes/instance/httpapi/groups/instance.ts

@@ -5,7 +5,7 @@ import { LSP } from "@/lsp/lsp"
 import { Vcs } from "@/project/vcs"
 import { Skill } from "@/skill"
 import { Schema } from "effect"
-import { HttpApi, HttpApiEndpoint, HttpApiGroup, OpenApi } from "effect/unstable/httpapi"
+import { HttpApi, HttpApiEndpoint, HttpApiGroup, HttpApiSchema, OpenApi } from "effect/unstable/httpapi"
 import { Authorization } from "../middleware/authorization"
 import { InstanceContextMiddleware } from "../middleware/instance-context"
 import { WorkspaceRoutingMiddleware } from "../middleware/workspace-routing"
@@ -23,11 +23,25 @@ export const VcsDiffQuery = Schema.Struct({
   mode: Vcs.Mode,
 })
 
+export class ApiVcsApplyError extends Schema.ErrorClass<ApiVcsApplyError>("VcsApplyError")(
+  {
+    name: Schema.Literal("VcsApplyError"),
+    data: Schema.Struct({
+      message: Schema.String,
+      reason: Schema.Literals(["non-git", "not-clean"]),
+    }),
+  },
+  { httpApiStatus: 400 },
+) {}
+
 export const InstancePaths = {
   dispose: "/instance/dispose",
   path: "/path",
   vcs: "/vcs",
+  vcsStatus: "/vcs/status",
   vcsDiff: "/vcs/diff",
+  vcsDiffRaw: "/vcs/diff/raw",
+  vcsApply: "/vcs/apply",
   command: "/command",
   agent: "/agent",
   skill: "/skill",
@@ -68,6 +82,15 @@ export const InstanceApi = HttpApi.make("instance")
               "Retrieve version control system (VCS) information for the current project, such as git branch.",
           }),
         ),
+        HttpApiEndpoint.get("vcsStatus", InstancePaths.vcsStatus, {
+          success: described(Schema.Array(Vcs.FileStatus), "VCS status"),
+        }).annotateMerge(
+          OpenApi.annotations({
+            identifier: "vcs.status",
+            summary: "Get VCS status",
+            description: "Retrieve changed files in the current working tree without patches.",
+          }),
+        ),
         HttpApiEndpoint.get("vcsDiff", InstancePaths.vcsDiff, {
           query: VcsDiffQuery,
           success: described(Schema.Array(Vcs.FileDiff), "VCS diff"),
@@ -78,6 +101,29 @@ export const InstanceApi = HttpApi.make("instance")
             description: "Retrieve the current git diff for the working tree or against the default branch.",
           }),
         ),
+        HttpApiEndpoint.get("vcsDiffRaw", InstancePaths.vcsDiffRaw, {
+          success: described(
+            Schema.String.pipe(HttpApiSchema.asText({ contentType: "text/x-diff; charset=utf-8" })),
+            "Raw VCS diff",
+          ),
+        }).annotateMerge(
+          OpenApi.annotations({
+            identifier: "vcs.diff.raw",
+            summary: "Get raw VCS diff",
+            description: "Retrieve a raw patch for current uncommitted changes.",
+          }),
+        ),
+        HttpApiEndpoint.post("vcsApply", InstancePaths.vcsApply, {
+          payload: Vcs.ApplyInput,
+          success: described(Vcs.ApplyResult, "VCS patch applied"),
+          error: ApiVcsApplyError,
+        }).annotateMerge(
+          OpenApi.annotations({
+            identifier: "vcs.apply",
+            summary: "Apply VCS patch",
+            description: "Apply a raw patch to the current working tree.",
+          }),
+        ),
         HttpApiEndpoint.get("command", InstancePaths.command, {
           success: described(Schema.Array(Command.Info), "List of commands"),
         }).annotateMerge(

packages/opencode/src/server/routes/instance/httpapi/groups/workspace.ts

@@ -2,6 +2,7 @@ import { Workspace } from "@/control-plane/workspace"
 import { WorkspaceAdapterEntry } from "@/control-plane/types"
 import { Schema, Struct } from "effect"
 import { HttpApi, HttpApiEndpoint, HttpApiError, HttpApiGroup, HttpApiSchema, OpenApi } from "effect/unstable/httpapi"
+import { ApiVcsApplyError } from "./instance"
 import { Authorization } from "../middleware/authorization"
 import { InstanceContextMiddleware } from "../middleware/instance-context"
 import { WorkspaceRoutingMiddleware } from "../middleware/workspace-routing"
@@ -12,8 +13,19 @@ export const CreatePayload = Schema.Struct(Struct.omit(Workspace.CreateInput.fie
 export const WarpPayload = Schema.Struct({
   id: Schema.NullOr(Workspace.Info.fields.id),
   sessionID: Workspace.SessionWarpInput.fields.sessionID,
+  copyChanges: Workspace.SessionWarpInput.fields.copyChanges,
 })
 
+export class ApiWorkspaceWarpError extends Schema.ErrorClass<ApiWorkspaceWarpError>("WorkspaceWarpError")(
+  {
+    name: Schema.Literal("WorkspaceWarpError"),
+    data: Schema.Struct({
+      message: Schema.String,
+    }),
+  },
+  { httpApiStatus: 400 },
+) {}
+
 export const WorkspacePaths = {
   adapters: `${root}/adapter`,
   list: root,
@@ -78,7 +90,7 @@ export const WorkspaceApi = HttpApi.make("workspace")
         HttpApiEndpoint.post("warp", WorkspacePaths.warp, {
           payload: WarpPayload,
           success: described(HttpApiSchema.NoContent, "Session warped"),
-          error: HttpApiError.BadRequest,
+          error: [ApiWorkspaceWarpError, ApiVcsApplyError],
         }).annotateMerge(
           OpenApi.annotations({
             identifier: "experimental.workspace.warp",

packages/opencode/src/server/routes/instance/httpapi/handlers/instance.ts

@@ -9,6 +9,7 @@ import { Skill } from "@/skill"
 import { Effect } from "effect"
 import { HttpApiBuilder } from "effect/unstable/httpapi"
 import { InstanceHttpApi } from "../api"
+import { ApiVcsApplyError } from "../groups/instance"
 import { markInstanceForDisposal } from "../lifecycle"
 
 export const instanceHandlers = HttpApiBuilder.group(InstanceHttpApi, "instance", (handlers) =>
@@ -41,10 +42,33 @@ export const instanceHandlers = HttpApiBuilder.group(InstanceHttpApi, "instance"
       return { branch, default_branch }
     })
 
+    const getVcsStatus = Effect.fn("InstanceHttpApi.vcsStatus")(function* () {
+      return yield* vcs.status()
+    })
+
     const getVcsDiff = Effect.fn("InstanceHttpApi.vcsDiff")(function* (ctx: { query: { mode: Vcs.Mode } }) {
       return yield* vcs.diff(ctx.query.mode)
     })
 
+    const getVcsDiffRaw = Effect.fn("InstanceHttpApi.vcsDiffRaw")(function* () {
+      return yield* vcs.diffRaw()
+    })
+
+    const applyVcs = Effect.fn("InstanceHttpApi.vcsApply")(function* (ctx: { payload: Vcs.ApplyInput }) {
+      return yield* vcs.apply(ctx.payload).pipe(
+        Effect.mapError(
+          (error) =>
+            new ApiVcsApplyError({
+              name: "VcsApplyError",
+              data: {
+                message: error.message,
+                reason: error.reason,
+              },
+            }),
+        ),
+      )
+    })
+
     const getCommand = Effect.fn("InstanceHttpApi.command")(function* () {
       return yield* command.list()
     })
@@ -69,7 +93,10 @@ export const instanceHandlers = HttpApiBuilder.group(InstanceHttpApi, "instance"
       .handle("dispose", dispose)
       .handle("path", getPath)
       .handle("vcs", getVcs)
+      .handle("vcsStatus", getVcsStatus)
       .handle("vcsDiff", getVcsDiff)
+      .handle("vcsDiffRaw", getVcsDiffRaw)
+      .handle("vcsApply", applyVcs)
       .handle("command", getCommand)
       .handle("agent", getAgent)
       .handle("skill", getSkill)

packages/opencode/src/server/routes/instance/httpapi/handlers/workspace.ts

@@ -1,10 +1,12 @@
 import { listAdapters } from "@/control-plane/adapters"
 import { Workspace } from "@/control-plane/workspace"
 import * as InstanceState from "@/effect/instance-state"
+import { Vcs } from "@/project/vcs"
 import { Effect } from "effect"
 import { HttpApiBuilder, HttpApiError } from "effect/unstable/httpapi"
 import { InstanceHttpApi } from "../api"
-import { CreatePayload, WarpPayload } from "../groups/workspace"
+import { ApiVcsApplyError } from "../groups/instance"
+import { ApiWorkspaceWarpError, CreatePayload, WarpPayload } from "../groups/workspace"
 
 export const workspaceHandlers = HttpApiBuilder.group(InstanceHttpApi, "workspace", (handlers) =>
   Effect.gen(function* () {
@@ -44,8 +46,27 @@ export const workspaceHandlers = HttpApiBuilder.group(InstanceHttpApi, "workspac
         .sessionWarp({
           workspaceID: ctx.payload.id,
           sessionID: ctx.payload.sessionID,
+          copyChanges: ctx.payload.copyChanges,
         })
-        .pipe(Effect.mapError(() => new HttpApiError.BadRequest({})))
+        .pipe(
+          Effect.mapError((error) => {
+            if (error instanceof Vcs.PatchApplyError) {
+              return new ApiVcsApplyError({
+                name: "VcsApplyError",
+                data: {
+                  message: error.message,
+                  reason: error.reason,
+                },
+              })
+            }
+            return new ApiWorkspaceWarpError({
+              name: "WorkspaceWarpError",
+              data: {
+                message: error.message,
+              },
+            })
+          }),
+        )
     })
 
     return handlers