make edit tool more robust

🤖 Generated with [opencode](https://opencode.ai)

Co-Authored-By: opencode <noreply@opencode.ai>

.github/workflows/deploy.yml

@@ -17,7 +17,7 @@ jobs:
 
       - uses: oven-sh/setup-bun@v1
         with:
-          bun-version: latest
+          bun-version: 1.2.17
 
       - run: bun install
 

.github/workflows/publish.yml

@@ -32,7 +32,7 @@ jobs:
 
       - uses: oven-sh/setup-bun@v2
         with:
-          bun-version: 1.2.16
+          bun-version: 1.2.17
 
       - name: Install makepkg
         run: |

bun.lock

@@ -20,6 +20,9 @@
     "packages/opencode": {
       "name": "opencode",
       "version": "0.0.0",
+      "bin": {
+        "opencode": "./bin/opencode",
+      },
       "dependencies": {
         "@clack/prompts": "0.11.0",
         "@flystorage/file-storage": "1.1.0",

packages/opencode/bin/opencode.cmd

@@ -0,0 +1,56 @@
+@echo off
+setlocal enabledelayedexpansion
+
+if defined OPENCODE_BIN_PATH (
+    set "resolved=%OPENCODE_BIN_PATH%"
+    goto :execute
+)
+
+rem Get the directory of this script
+set "script_dir=%~dp0"
+set "script_dir=%script_dir:~0,-1%"
+
+rem Detect platform and architecture
+set "platform=win32"
+
+rem Detect architecture
+if "%PROCESSOR_ARCHITECTURE%"=="AMD64" (
+    set "arch=x64"
+) else if "%PROCESSOR_ARCHITECTURE%"=="ARM64" (
+    set "arch=arm64"
+) else if "%PROCESSOR_ARCHITECTURE%"=="x86" (
+    set "arch=x86"
+) else (
+    set "arch=x64"
+)
+
+set "name=opencode-!platform!-!arch!"
+set "binary=opencode.exe"
+
+rem Search for the binary starting from script location
+set "resolved="
+set "current_dir=%script_dir%"
+
+:search_loop
+set "candidate=%current_dir%\node_modules\%name%\bin\%binary%"
+if exist "%candidate%" (
+    set "resolved=%candidate%"
+    goto :execute
+)
+
+rem Move up one directory
+for %%i in ("%current_dir%") do set "parent_dir=%%~dpi"
+set "parent_dir=%parent_dir:~0,-1%"
+
+rem Check if we've reached the root
+if "%current_dir%"=="%parent_dir%" goto :not_found
+set "current_dir=%parent_dir%"
+goto :search_loop
+
+:not_found
+echo It seems that your package manager failed to install the right version of the OpenCode CLI for your platform. You can try manually installing the "%name%" package >&2
+exit /b 1
+
+:execute
+rem Execute the binary with all arguments
+"%resolved%" %*

packages/opencode/package.json

@@ -1,13 +1,15 @@
 {
   "$schema": "https://json.schemastore.org/package.json",
-  "version": "0.0.0",
-  "name": "opencode",
+    	   "version": "0.0.5",  "name": "opencode",
   "type": "module",
   "private": true,
   "scripts": {
     "typecheck": "tsc --noEmit",
     "dev": "bun run ./src/index.ts"
   },
+  "bin": {
+    "opencode": "./bin/opencode"
+  },
   "exports": {
     "./*": "./src/*.ts"
   },

packages/opencode/script/publish.ts

@@ -29,7 +29,7 @@ const targets = [
   ["linux", "x64"],
   ["darwin", "x64"],
   ["darwin", "arm64"],
-  // ["windows", "x64"],
+  ["windows", "x64"],
 ]
 
 await $`rm -rf dist`

packages/opencode/src/app/app.ts

@@ -46,7 +46,7 @@ export namespace App {
     const data = path.join(
       Global.Path.data,
       "project",
-      git ? git.split(path.sep).filter(Boolean).join("-") : "global",
+      git ? directory(git) : "global",
     )
     const stateFile = Bun.file(path.join(data, APP_JSON))
     const state = (await stateFile.json().catch(() => ({}))) as {
@@ -133,4 +133,13 @@ export namespace App {
       }),
     )
   }
+
+  function directory(input: string): string {
+    return input
+      .split(path.sep)
+      .filter(Boolean)
+      .join("-")
+      .replace(/[^A-Za-z0-9_]/g, "-")
+  }
 }
+

packages/opencode/src/auth/copilot.ts

@@ -3,7 +3,7 @@ import { lazy } from "../util/lazy"
 import path from "path"
 
 export const AuthCopilot = lazy(async () => {
-  const file = Bun.file(path.join(Global.Path.cache, "copilot.ts"))
+  const file = Bun.file(path.join(Global.Path.state, "plugin", "copilot.ts"))
   const response = fetch(
     "https://raw.githubusercontent.com/sst/opencode-github-copilot/refs/heads/main/auth.ts",
   )

packages/opencode/src/bun/index.ts

@@ -13,7 +13,7 @@ export namespace BunProc {
   ) {
     log.info("running", {
       cmd: [which(), ...cmd],
-      options,
+      ...options,
     })
     const result = Bun.spawn([which(), ...cmd], {
       ...options,
@@ -26,6 +26,15 @@ export namespace BunProc {
       },
     })
     const code = await result.exited
+    // @ts-ignore
+    const stdout = await result.stdout.text()
+    // @ts-ignore
+    const stderr = await result.stderr.text()
+    log.info("done", {
+      code,
+      stdout,
+      stderr,
+    })
     if (code !== 0) {
       throw new Error(`Command failed with exit code ${result.exitCode}`)
     }
@@ -53,12 +62,9 @@ export namespace BunProc {
     if (parsed.dependencies[pkg] === version) return mod
     parsed.dependencies[pkg] = version
     await Bun.write(pkgjson, JSON.stringify(parsed, null, 2))
-    await BunProc.run(
-      ["install", "--registry", "https://registry.npmjs.org/"],
-      {
-        cwd: Global.Path.cache,
-      },
-    ).catch((e) => {
+    await BunProc.run(["install", "--registry=https://registry.npmjs.org"], {
+      cwd: Global.Path.cache,
+    }).catch((e) => {
       new InstallFailedError(
         { pkg, version },
         {

packages/opencode/src/cli/cmd/auth.ts

@@ -7,6 +7,9 @@ import open from "open"
 import { UI } from "../ui"
 import { ModelsDev } from "../../provider/models"
 import { map, pipe, sortBy, values } from "remeda"
+import path from "path"
+import os from "os"
+import { Global } from "../../global"
 
 export const AuthCommand = cmd({
   command: "auth",
@@ -26,16 +29,46 @@ export const AuthListCommand = cmd({
   describe: "list providers",
   async handler() {
     UI.empty()
-    prompts.intro("Credentials")
+    const authPath = path.join(Global.Path.data, "auth.json")
+    const homedir = os.homedir()
+    const displayPath = authPath.startsWith(homedir) 
+      ? authPath.replace(homedir, "~")
+      : authPath
+    prompts.intro(`Credentials ${UI.Style.TEXT_DIM}${displayPath}`)
     const results = await Auth.all().then((x) => Object.entries(x))
     const database = await ModelsDev.get()
 
     for (const [providerID, result] of results) {
       const name = database[providerID]?.name || providerID
-      prompts.log.info(`${name} ${UI.Style.TEXT_DIM}(${result.type})`)
+      prompts.log.info(`${name} ${UI.Style.TEXT_DIM}${result.type}`)
     }
 
     prompts.outro(`${results.length} credentials`)
+
+    // Environment variables section
+    const activeEnvVars: Array<{ provider: string, envVar: string }> = []
+    
+    for (const [providerID, provider] of Object.entries(database)) {
+      for (const envVar of provider.env) {
+        if (process.env[envVar]) {
+          activeEnvVars.push({ 
+            provider: provider.name || providerID, 
+            envVar 
+          })
+        }
+      }
+    }
+
+    if (activeEnvVars.length > 0) {
+      UI.empty()
+      prompts.intro("Environment")
+      
+      for (const { provider, envVar } of activeEnvVars) {
+        prompts.log.info(`${provider} ${UI.Style.TEXT_DIM}${envVar}`)
+      }
+      
+      prompts.outro(`${activeEnvVars.length} environment variables`)
+    }
   },
 })
 

packages/opencode/src/cli/cmd/models.ts

@@ -0,0 +1,19 @@
+import { App } from "../../app/app"
+import { Provider } from "../../provider/provider"
+import { cmd } from "./cmd"
+
+export const ModelsCommand = cmd({
+  command: "models",
+  describe: "list all available models",
+  handler: async () => {
+    await App.provide({ cwd: process.cwd() }, async () => {
+      const providers = await Provider.list()
+      
+      for (const [providerID, provider] of Object.entries(providers)) {
+        for (const modelID of Object.keys(provider.info.models)) {
+          console.log(`${providerID}/${modelID}`)
+        }
+      }
+    })
+  },
+})

packages/opencode/src/cli/cmd/serve.ts

@@ -0,0 +1,50 @@
+import { App } from "../../app/app"
+import { Provider } from "../../provider/provider"
+import { Server } from "../../server/server"
+import { Share } from "../../share/share"
+import { cmd } from "./cmd"
+
+export const ServeCommand = cmd({
+  command: "serve",
+  builder: (yargs) =>
+    yargs
+      .option("port", {
+        alias: ["p"],
+        type: "number",
+        describe: "port to listen on",
+        default: 4096,
+      })
+      .option("hostname", {
+        alias: ["h"],
+        type: "string",
+        describe: "hostname to listen on",
+        default: "127.0.0.1",
+      }),
+  describe: "starts a headless opencode server",
+  handler: async (args) => {
+    const cwd = process.cwd()
+    await App.provide({ cwd }, async () => {
+      const providers = await Provider.list()
+      if (Object.keys(providers).length === 0) {
+        return "needs_provider"
+      }
+
+      const hostname = args.hostname
+      const port = args.port
+
+      await Share.init()
+      const server = Server.listen({
+        port,
+        hostname,
+      })
+
+      console.log(
+        `opencode server listening on http://${server.hostname}:${server.port}`,
+      )
+
+      await new Promise(() => {})
+
+      server.stop()
+    })
+  },
+})

packages/opencode/src/cli/error.ts

@@ -1,5 +1,6 @@
 import { Config } from "../config/config"
 import { MCP } from "../mcp"
+import { UI } from "./ui"
 
 export function FormatError(input: unknown) {
   if (MCP.Failed.isInstance(input))
@@ -13,4 +14,6 @@ export function FormatError(input: unknown) {
         (issue) => "↳ " + issue.message + " " + issue.path.join("."),
       ) ?? []),
     ].join("\n")
+
+  if (UI.CancelledError.isInstance(input)) return ""
 }

packages/opencode/src/cli/ui.ts

@@ -1,4 +1,5 @@
 import { z } from "zod"
+import { EOL } from "os"
 import { NamedError } from "../util/error"
 
 export namespace UI {
@@ -29,7 +30,7 @@ export namespace UI {
 
   export function println(...message: string[]) {
     print(...message)
-    Bun.stderr.write("\n")
+    Bun.stderr.write(EOL)
   }
 
   export function print(...message: string[]) {
@@ -52,7 +53,7 @@ export namespace UI {
       result.push(row[0])
       result.push("\x1b[0m")
       result.push(row[1])
-      result.push("\n")
+      result.push(EOL)
     }
     return result.join("").trimEnd()
   }

packages/opencode/src/index.ts

@@ -4,6 +4,7 @@ import { Server } from "./server/server"
 import fs from "fs/promises"
 import path from "path"
 import { Share } from "./share/share"
+import url from "node:url"
 import { Global } from "./global"
 import yargs from "yargs"
 import { hideBin } from "yargs/helpers"
@@ -13,6 +14,7 @@ import { ScrapCommand } from "./cli/cmd/scrap"
 import { Log } from "./util/log"
 import { AuthCommand, AuthLoginCommand } from "./cli/cmd/auth"
 import { UpgradeCommand } from "./cli/cmd/upgrade"
+import { ModelsCommand } from "./cli/cmd/models"
 import { Provider } from "./provider/provider"
 import { UI } from "./cli/ui"
 import { Installation } from "./installation"
@@ -20,13 +22,25 @@ import { Bus } from "./bus"
 import { Config } from "./config/config"
 import { NamedError } from "./util/error"
 import { FormatError } from "./cli/error"
+import { ServeCommand } from "./cli/cmd/serve"
 
 const cancel = new AbortController()
 
+process.on("unhandledRejection", (e) => {
+  Log.Default.error("rejection", {
+    e: e instanceof Error ? e.message : e,
+  })
+})
+
+process.on("uncaughtException", (e) => {
+  Log.Default.error("exception", {
+    e: e instanceof Error ? e.message : e,
+  })
+})
+
 const cli = yargs(hideBin(process.argv))
   .scriptName("opencode")
   .help("help", "show help")
-  .alias("help", "h")
   .version("version", "show version number", Installation.VERSION)
   .alias("version", "v")
   .option("print-logs", {
@@ -52,7 +66,12 @@ const cli = yargs(hideBin(process.argv))
     handler: async (args) => {
       while (true) {
         const cwd = args.project ? path.resolve(args.project) : process.cwd()
-        process.chdir(cwd)
+        try {
+          process.chdir(cwd)
+        } catch (e) {
+          UI.error("Failed to change directory to " + cwd)
+          return
+        }
         const result = await App.provide({ cwd }, async (app) => {
           const providers = await Provider.list()
           if (Object.keys(providers).length === 0) {
@@ -60,13 +79,22 @@ const cli = yargs(hideBin(process.argv))
           }
 
           await Share.init()
-          const server = Server.listen()
+          const server = Server.listen({
+            port: 0,
+            hostname: "127.0.0.1",
+          })
 
           let cmd = ["go", "run", "./main.go"]
-          let cwd = new URL("../../tui/cmd/opencode", import.meta.url).pathname
+          let cwd = url.fileURLToPath(
+            new URL("../../tui/cmd/opencode", import.meta.url),
+          )
           if (Bun.embeddedFiles.length > 0) {
             const blob = Bun.embeddedFiles[0] as File
-            const binary = path.join(Global.Path.cache, "tui", blob.name)
+            let binaryName = blob.name
+            if (process.platform === "win32" && !binaryName.endsWith(".exe")) {
+              binaryName += ".exe"
+            }
+            const binary = path.join(Global.Path.cache, "tui", binaryName)
             const file = Bun.file(binary)
             if (!(await file.exists())) {
               await Bun.write(file, blob, { mode: 0o755 })
@@ -92,21 +120,22 @@ const cli = yargs(hideBin(process.argv))
             },
           })
 
-            ; (async () => {
-              if (Installation.VERSION === "dev") return
-              if (Installation.isSnapshot()) return
-              const config = await Config.global()
-              if (config.autoupdate === false) return
-              const latest = await Installation.latest()
-              if (Installation.VERSION === latest) return
-              const method = await Installation.method()
-              if (method === "unknown") return
-              await Installation.upgrade(method, latest)
-                .then(() => {
-                  Bus.publish(Installation.Event.Updated, { version: latest })
-                })
-                .catch(() => { })
-            })()
+          ;(async () => {
+            if (Installation.VERSION === "dev") return
+            if (Installation.isSnapshot()) return
+            const config = await Config.global()
+            if (config.autoupdate === false) return
+            const latest = await Installation.latest().catch(() => {})
+            if (!latest) return
+            if (Installation.VERSION === latest) return
+            const method = await Installation.method()
+            if (method === "unknown") return
+            await Installation.upgrade(method, latest)
+              .then(() => {
+                Bus.publish(Installation.Event.Updated, { version: latest })
+              })
+              .catch(() => {})
+          })()
 
           await proc.exited
           server.stop()
@@ -128,6 +157,8 @@ const cli = yargs(hideBin(process.argv))
   .command(ScrapCommand)
   .command(AuthCommand)
   .command(UpgradeCommand)
+  .command(ServeCommand)
+  .command(ModelsCommand)
   .fail((msg) => {
     if (
       msg.startsWith("Unknown argument") ||
@@ -158,7 +189,7 @@ try {
   Log.Default.error("fatal", data)
   const formatted = FormatError(e)
   if (formatted) UI.error(formatted)
-  if (!formatted)
+  if (formatted === undefined)
     UI.error(
       "Unexpected error, check log file at " + Log.file() + " for more details",
     )

packages/opencode/src/provider/provider.ts

@@ -28,20 +28,21 @@ import { TaskTool } from "../tool/task"
 export namespace Provider {
   const log = Log.create({ service: "provider" })
 
-  type CustomLoader = (provider: ModelsDev.Provider) => Promise<
-    | {
-        getModel?: (sdk: any, modelID: string) => Promise<any>
-        options: Record<string, any>
-      }
-    | false
-  >
+  type CustomLoader = (
+    provider: ModelsDev.Provider,
+    api?: string,
+  ) => Promise<{
+    autoload: boolean
+    getModel?: (sdk: any, modelID: string) => Promise<any>
+    options?: Record<string, any>
+  }>
 
   type Source = "env" | "config" | "custom" | "api"
 
   const CUSTOM_LOADERS: Record<string, CustomLoader> = {
     async anthropic(provider) {
       const access = await AuthAnthropic.access()
-      if (!access) return false
+      if (!access) return { autoload: false }
       for (const model of Object.values(provider.models)) {
         model.cost = {
           input: 0,
@@ -49,6 +50,7 @@ export namespace Provider {
         }
       }
       return {
+        autoload: true,
         options: {
           apiKey: "",
           async fetch(input: any, init: any) {
@@ -69,9 +71,9 @@ export namespace Provider {
     },
     "github-copilot": async (provider) => {
       const copilot = await AuthCopilot()
-      if (!copilot) return false
+      if (!copilot) return { autoload: false }
       let info = await Auth.get("github-copilot")
-      if (!info || info.type !== "oauth") return false
+      if (!info || info.type !== "oauth") return { autoload: false }
 
       if (provider && provider.models) {
         for (const model of Object.values(provider.models)) {
@@ -83,6 +85,7 @@ export namespace Provider {
       }
 
       return {
+        autoload: true,
         options: {
           apiKey: "",
           async fetch(input: any, init: any) {
@@ -115,6 +118,7 @@ export namespace Provider {
     },
     openai: async () => {
       return {
+        autoload: false,
         async getModel(sdk: any, modelID: string) {
           return sdk.responses(modelID)
         },
@@ -123,7 +127,7 @@ export namespace Provider {
     },
     "amazon-bedrock": async () => {
       if (!process.env["AWS_PROFILE"] && !process.env["AWS_ACCESS_KEY_ID"])
-        return false
+        return { autoload: false }
 
       const region = process.env["AWS_REGION"] ?? "us-east-1"
 
@@ -131,6 +135,7 @@ export namespace Provider {
         await BunProc.install("@aws-sdk/credential-providers")
       )
       return {
+        autoload: true,
         options: {
           region,
           credentialProvider: fromNodeProviderChain(),
@@ -256,8 +261,13 @@ export namespace Provider {
     for (const [providerID, fn] of Object.entries(CUSTOM_LOADERS)) {
       if (disabled.has(providerID)) continue
       const result = await fn(database[providerID])
-      if (result) {
-        mergeProvider(providerID, result.options, "custom", result.getModel)
+      if (result && (result.autoload || providers[providerID])) {
+        mergeProvider(
+          providerID,
+          result.options ?? {},
+          "custom",
+          result.getModel,
+        )
       }
     }
 

packages/opencode/src/server/server.ts

@@ -579,10 +579,10 @@ export namespace Server {
     return result
   }
 
-  export function listen() {
+  export function listen(opts: { port: number; hostname: string }) {
     const server = Bun.serve({
-      port: 0,
-      hostname: "0.0.0.0",
+      port: opts.port,
+      hostname: opts.hostname,
       idleTimeout: 0,
       fetch: app().fetch,
     })

packages/opencode/src/session/index.ts

@@ -657,6 +657,21 @@ export namespace Session {
             }
             break
 
+          case "finish":
+            log.info("message finish", {
+              reason: value.finishReason,
+            })
+            const assistant = next.metadata!.assistant!
+            const usage = getUsage(
+              model.info,
+              value.usage,
+              value.providerMetadata,
+            )
+            assistant.cost = usage.cost
+            await updateMessage(next)
+            if (value.finishReason === "length")
+              throw new Message.OutputLengthError({})
+            break
           default:
             l.info("unhandled", {
               type: value.type,
@@ -670,6 +685,9 @@ export namespace Session {
         error: e,
       })
       switch (true) {
+        case Message.OutputLengthError.isInstance(e):
+          next.metadata.error = e
+          break
         case LoadAPIKeyError.isInstance(e):
           next.metadata.error = new Provider.AuthError(
             {

packages/opencode/src/session/message.ts

@@ -4,6 +4,11 @@ import { Provider } from "../provider/provider"
 import { NamedError } from "../util/error"
 
 export namespace Message {
+  export const OutputLengthError = NamedError.create(
+    "MessageOutputLengthError",
+    z.object({}),
+  )
+
   export const ToolCall = z
     .object({
       state: z.literal("call"),
@@ -145,6 +150,7 @@ export namespace Message {
             .discriminatedUnion("name", [
               Provider.AuthError.Schema,
               NamedError.Unknown.Schema,
+              OutputLengthError.Schema,
             ])
             .optional(),
           sessionID: z.string(),

packages/opencode/src/tool/edit.ts

@@ -1,3 +1,6 @@
+// the approaches in this edit tool are sourced from
+// https://github.com/cline/cline/blob/main/evals/diff-edits/diff-apply/diff-06-23-25.ts
+
 import { z } from "zod"
 import * as path from "path"
 import { Tool } from "./tool"
@@ -55,35 +58,19 @@ export const EditTool = Tool.define({
       }
 
       const file = Bun.file(filepath)
-      if (!(await file.exists())) throw new Error(`File ${filepath} not found`)
-      const stats = await file.stat()
+      const stats = await file.stat().catch(() => {})
+      if (!stats) throw new Error(`File ${filepath} not found`)
       if (stats.isDirectory())
         throw new Error(`Path is a directory, not a file: ${filepath}`)
       await FileTimes.assert(ctx.sessionID, filepath)
       contentOld = await file.text()
-      const index = contentOld.indexOf(params.oldString)
-      if (index === -1)
-        throw new Error(
-          `oldString not found in file. Make sure it matches exactly, including whitespace and line breaks`,
-        )
-
-      if (params.replaceAll) {
-        contentNew = contentOld.replaceAll(params.oldString, params.newString)
-      }
-
-      if (!params.replaceAll) {
-        const lastIndex = contentOld.lastIndexOf(params.oldString)
-        if (index !== lastIndex)
-          throw new Error(
-            `oldString appears multiple times in the file. Please provide more context to ensure a unique match`,
-          )
-
-        contentNew =
-          contentOld.substring(0, index) +
-          params.newString +
-          contentOld.substring(index + params.oldString.length)
-      }
 
+      contentNew = replace(
+        contentOld,
+        params.oldString,
+        params.newString,
+        params.replaceAll,
+      )
       await file.write(contentNew)
     })()
 
@@ -116,6 +103,169 @@ export const EditTool = Tool.define({
   },
 })
 
+export type Replacer = (
+  content: string,
+  find: string,
+) => Generator<string, void, unknown>
+
+export const SimpleReplacer: Replacer = function* (_content, find) {
+  yield find
+}
+
+export const LineTrimmedReplacer: Replacer = function* (content, find) {
+  const originalLines = content.split("\n")
+  const searchLines = find.split("\n")
+
+  if (searchLines[searchLines.length - 1] === "") {
+    searchLines.pop()
+  }
+
+  for (let i = 0; i <= originalLines.length - searchLines.length; i++) {
+    let matches = true
+
+    for (let j = 0; j < searchLines.length; j++) {
+      const originalTrimmed = originalLines[i + j].trim()
+      const searchTrimmed = searchLines[j].trim()
+
+      if (originalTrimmed !== searchTrimmed) {
+        matches = false
+        break
+      }
+    }
+
+    if (matches) {
+      let matchStartIndex = 0
+      for (let k = 0; k < i; k++) {
+        matchStartIndex += originalLines[k].length + 1
+      }
+
+      let matchEndIndex = matchStartIndex
+      for (let k = 0; k < searchLines.length; k++) {
+        matchEndIndex += originalLines[i + k].length + 1
+      }
+
+      yield content.substring(matchStartIndex, matchEndIndex)
+    }
+  }
+}
+
+export const BlockAnchorReplacer: Replacer = function* (content, find) {
+  const originalLines = content.split("\n")
+  const searchLines = find.split("\n")
+
+  if (searchLines.length < 3) {
+    return
+  }
+
+  if (searchLines[searchLines.length - 1] === "") {
+    searchLines.pop()
+  }
+
+  const firstLineSearch = searchLines[0].trim()
+  const lastLineSearch = searchLines[searchLines.length - 1].trim()
+
+  // Find blocks where first line matches the search first line
+  for (let i = 0; i < originalLines.length; i++) {
+    if (originalLines[i].trim() !== firstLineSearch) {
+      continue
+    }
+
+    // Look for the matching last line after this first line
+    for (let j = i + 2; j < originalLines.length; j++) {
+      if (originalLines[j].trim() === lastLineSearch) {
+        // Found a potential block from i to j
+        let matchStartIndex = 0
+        for (let k = 0; k < i; k++) {
+          matchStartIndex += originalLines[k].length + 1
+        }
+
+        let matchEndIndex = matchStartIndex
+        for (let k = 0; k <= j - i; k++) {
+          matchEndIndex += originalLines[i + k].length + 1
+        }
+
+        yield content.substring(matchStartIndex, matchEndIndex)
+        break // Only match the first occurrence of the last line
+      }
+    }
+  }
+}
+
+export const WhitespaceNormalizedReplacer: Replacer = function* (
+  content,
+  find,
+) {
+  const normalizeWhitespace = (text: string) => text.replace(/\s+/g, " ").trim()
+  const normalizedFind = normalizeWhitespace(find)
+
+  // Handle single line matches
+  const lines = content.split("\n")
+  for (let i = 0; i < lines.length; i++) {
+    const line = lines[i]
+    if (normalizeWhitespace(line) === normalizedFind) {
+      yield line
+    }
+
+    // Also check for substring matches within lines
+    const normalizedLine = normalizeWhitespace(line)
+    if (normalizedLine.includes(normalizedFind)) {
+      // Find the actual substring in the original line that matches
+      const words = find.trim().split(/\s+/)
+      if (words.length > 0) {
+        const pattern = words
+          .map((word) => word.replace(/[.*+?^${}()|[\]\\]/g, "\\$&"))
+          .join("\\s+")
+        const regex = new RegExp(pattern)
+        const match = line.match(regex)
+        if (match) {
+          yield match[0]
+        }
+      }
+    }
+  }
+
+  // Handle multi-line matches
+  const findLines = find.split("\n")
+  if (findLines.length > 1) {
+    for (let i = 0; i <= lines.length - findLines.length; i++) {
+      const block = lines.slice(i, i + findLines.length)
+      if (normalizeWhitespace(block.join("\n")) === normalizedFind) {
+        yield block.join("\n")
+      }
+    }
+  }
+}
+
+export const IndentationFlexibleReplacer: Replacer = function* (content, find) {
+  const removeIndentation = (text: string) => {
+    const lines = text.split("\n")
+    const nonEmptyLines = lines.filter((line) => line.trim().length > 0)
+    if (nonEmptyLines.length === 0) return text
+
+    const minIndent = Math.min(
+      ...nonEmptyLines.map((line) => {
+        const match = line.match(/^(\s*)/)
+        return match ? match[1].length : 0
+      }),
+    )
+
+    return lines
+      .map((line) => (line.trim().length === 0 ? line : line.slice(minIndent)))
+      .join("\n")
+  }
+
+  const normalizedFind = removeIndentation(find)
+  const contentLines = content.split("\n")
+  const findLines = find.split("\n")
+
+  for (let i = 0; i <= contentLines.length - findLines.length; i++) {
+    const block = contentLines.slice(i, i + findLines.length).join("\n")
+    if (removeIndentation(block) === normalizedFind) {
+      yield block
+    }
+  }
+}
+
 function trimDiff(diff: string): string {
   const lines = diff.split("\n")
   const contentLines = lines.filter(
@@ -151,3 +301,34 @@ function trimDiff(diff: string): string {
 
   return trimmedLines.join("\n")
 }
+
+export function replace(
+  content: string,
+  oldString: string,
+  newString: string,
+  replaceAll = false,
+): string {
+  for (const replacer of [
+    SimpleReplacer,
+    LineTrimmedReplacer,
+    BlockAnchorReplacer,
+    WhitespaceNormalizedReplacer,
+    IndentationFlexibleReplacer,
+  ]) {
+    for (const search of replacer(content, oldString)) {
+      const index = content.indexOf(search)
+      if (index === -1) continue
+      if (replaceAll) {
+        return content.replaceAll(search, newString)
+      }
+      const lastIndex = content.lastIndexOf(search)
+      if (index !== lastIndex) continue
+      return (
+        content.substring(0, index) +
+        newString +
+        content.substring(index + search.length)
+      )
+    }
+  }
+  throw new Error("oldString not found in content or was found multiple times")
+}

packages/opencode/src/util/log.ts

@@ -19,7 +19,7 @@ export namespace Log {
     await fs.mkdir(dir, { recursive: true })
     cleanup(dir)
     if (options.print) return
-    logpath = path.join(dir, new Date().toISOString().split(".")[0] + ".log")
+    logpath = path.join(dir, new Date().toISOString().split(".")[0].replace(/:/g, "") + ".log")
     const logfile = Bun.file(logpath)
     await fs.truncate(logpath).catch(() => {})
     const writer = logfile.writer()

packages/opencode/test/tool/edit.test.ts

@@ -0,0 +1,209 @@
+import { describe, expect, test } from "bun:test"
+import { replace } from "../../src/tool/edit"
+
+interface TestCase {
+  content: string
+  find: string
+  replace: string
+  all?: boolean
+  fail?: boolean
+}
+
+const testCases: TestCase[] = [
+  // SimpleReplacer cases
+  {
+    content: ["function hello() {", '  console.log("world");', "}"].join("\n"),
+    find: 'console.log("world");',
+    replace: 'console.log("universe");',
+  },
+  {
+    content: [
+      "if (condition) {",
+      "  doSomething();",
+      "  doSomethingElse();",
+      "}",
+    ].join("\n"),
+    find: ["  doSomething();", "  doSomethingElse();"].join("\n"),
+    replace: ["  doNewThing();", "  doAnotherThing();"].join("\n"),
+  },
+
+  // LineTrimmedReplacer cases
+  {
+    content: ["function test() {", '    console.log("hello");', "}"].join("\n"),
+    find: 'console.log("hello");',
+    replace: 'console.log("goodbye");',
+  },
+  {
+    content: ["const x = 5;   ", "const y = 10;"].join("\n"),
+    find: "const x = 5;",
+    replace: "const x = 15;",
+  },
+  {
+    content: ["  if (true) {", "    return false;", "  }"].join("\n"),
+    find: ["if (true) {", "return false;", "}"].join("\n"),
+    replace: ["if (false) {", "return true;", "}"].join("\n"),
+  },
+
+  // BlockAnchorReplacer cases
+  {
+    content: [
+      "function calculate(a, b) {",
+      "  const temp = a + b;",
+      "  const result = temp * 2;",
+      "  return result;",
+      "}",
+    ].join("\n"),
+    find: [
+      "function calculate(a, b) {",
+      "  // different middle content",
+      "  return result;",
+      "}",
+    ].join("\n"),
+    replace: ["function calculate(a, b) {", "  return a * b * 2;", "}"].join(
+      "\n",
+    ),
+  },
+  {
+    content: [
+      "class MyClass {",
+      "  constructor() {",
+      "    this.value = 0;",
+      "  }",
+      "  ",
+      "  getValue() {",
+      "    return this.value;",
+      "  }",
+      "}",
+    ].join("\n"),
+    find: ["class MyClass {", "  // different implementation", "}"].join("\n"),
+    replace: [
+      "class MyClass {",
+      "  constructor() {",
+      "    this.value = 42;",
+      "  }",
+      "}",
+    ].join("\n"),
+  },
+
+  // WhitespaceNormalizedReplacer cases
+  {
+    content: ["function test() {", '\tconsole.log("hello");', "}"].join("\n"),
+    find: '  console.log("hello");',
+    replace: '  console.log("world");',
+  },
+  {
+    content: "const   x    =     5;",
+    find: "const x = 5;",
+    replace: "const x = 10;",
+  },
+  {
+    content: "if\t(  condition\t) {",
+    find: "if ( condition ) {",
+    replace: "if (newCondition) {",
+  },
+
+  // IndentationFlexibleReplacer cases
+  {
+    content: [
+      "    function nested() {",
+      '      console.log("deeply nested");',
+      "      return true;",
+      "    }",
+    ].join("\n"),
+    find: [
+      "function nested() {",
+      '  console.log("deeply nested");',
+      "  return true;",
+      "}",
+    ].join("\n"),
+    replace: [
+      "function nested() {",
+      '  console.log("updated");',
+      "  return false;",
+      "}",
+    ].join("\n"),
+  },
+  {
+    content: [
+      "  if (true) {",
+      '    console.log("level 1");',
+      '      console.log("level 2");',
+      "  }",
+    ].join("\n"),
+    find: [
+      "if (true) {",
+      'console.log("level 1");',
+      '  console.log("level 2");',
+      "}",
+    ].join("\n"),
+    replace: ["if (true) {", 'console.log("updated");', "}"].join("\n"),
+  },
+
+  // replaceAll option cases
+  {
+    content: [
+      'console.log("test");',
+      'console.log("test");',
+      'console.log("test");',
+    ].join("\n"),
+    find: 'console.log("test");',
+    replace: 'console.log("updated");',
+    all: true,
+  },
+  {
+    content: ['console.log("test");', 'console.log("test");'].join("\n"),
+    find: 'console.log("test");',
+    replace: 'console.log("updated");',
+    all: false,
+  },
+
+  // Error cases
+  {
+    content: 'console.log("hello");',
+    find: "nonexistent string",
+    replace: "updated",
+    fail: true,
+  },
+  {
+    content: ["test", "test", "different content", "test"].join("\n"),
+    find: "test",
+    replace: "updated",
+    all: false,
+    fail: true,
+  },
+
+  // Edge cases
+  {
+    content: "",
+    find: "",
+    replace: "new content",
+  },
+  {
+    content: "const regex = /[.*+?^${}()|[\\\\]\\\\\\\\]/g;",
+    find: "/[.*+?^${}()|[\\\\]\\\\\\\\]/g",
+    replace: "/\\\\w+/g",
+  },
+  {
+    content: 'const message = "Hello 世界! 🌍";',
+    find: "Hello 世界! 🌍",
+    replace: "Hello World! 🌎",
+  },
+]
+
+describe("EditTool Replacers", () => {
+  test.each(testCases)("case %#", (testCase) => {
+    if (testCase.fail) {
+      expect(() => {
+        replace(testCase.content, testCase.find, testCase.replace, testCase.all)
+      }).toThrow()
+    } else {
+      const result = replace(
+        testCase.content,
+        testCase.find,
+        testCase.replace,
+        testCase.all,
+      )
+      expect(result).toContain(testCase.replace)
+    }
+  })
+})

packages/tui/.gitignore

@@ -0,0 +1 @@
+opencode-test

packages/tui/internal/components/chat/editor.go

@@ -80,8 +80,15 @@ func (m *editorComponent) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			return m, tea.Batch(cmds...)
 		} else {
 			existingValue := m.textarea.Value()
-			modifiedValue := strings.Replace(existingValue, msg.SearchString, msg.CompletionValue, 1)
-			m.textarea.SetValue(modifiedValue + " ")
+			
+			// Replace the current token (after last space)
+			lastSpaceIndex := strings.LastIndex(existingValue, " ")
+			if lastSpaceIndex == -1 {
+				m.textarea.SetValue(msg.CompletionValue + " ")
+			} else {
+				modifiedValue := existingValue[:lastSpaceIndex+1] + msg.CompletionValue
+				m.textarea.SetValue(modifiedValue + " ")
+			}
 			return m, nil
 		}
 	}

packages/tui/internal/theme/loader.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"image/color"
 	"os"
+	"path"
 	"path/filepath"
 	"strings"
 
@@ -42,7 +43,7 @@ func LoadThemesFromJSON() error {
 			continue
 		}
 		themeName := strings.TrimSuffix(entry.Name(), ".json")
-		data, err := themesFS.ReadFile(filepath.Join("themes", entry.Name()))
+		data, err := themesFS.ReadFile(path.Join("themes", entry.Name()))
 		if err != nil {
 			return fmt.Errorf("failed to read theme file %s: %w", entry.Name(), err)
 		}

packages/web/src/components/DiffView.tsx

@@ -113,29 +113,83 @@ const DiffView: Component<DiffViewProps> = (props) => {
 
   return (
     <div class={`${styles.diff} ${props.class ?? ""}`}>
-      <div class={styles.column}>
-        {rows().map((r) => (
-          <CodeBlock
-            code={r.left}
-            lang={props.lang}
-            data-section="cell"
-            data-diff-type={r.type === "removed" || r.type === "modified" ? "removed" : ""}
-          />
-        ))}
-      </div>
+      {rows().map((r) => (
+        <div class={styles.row}>
+          <div class={styles.beforeColumn}>
+            <CodeBlock
+              code={r.left}
+              lang={props.lang}
+              data-section="cell"
+              data-diff-type={r.type === "removed" || r.type === "modified" ? "removed" : ""}
+              data-display-mobile={r.type === "added" && !r.left ? "false" : undefined}
+            />
+            {(r.type === "added" || r.type === "modified") && r.right !== undefined && (
+              <CodeBlock
+                code={r.right}
+                lang={props.lang}
+                data-section="cell"
+                data-diff-type="added"
+                data-display-mobile="true"
+              />
+            )}
+          </div>
 
-      <div class={styles.column}>
-        {rows().map((r) => (
-          <CodeBlock
-            code={r.right}
-            lang={props.lang}
-            data-section="cell"
-            data-diff-type={r.type === "added" || r.type === "modified" ? "added" : ""}
-          />
-        ))}
-      </div>
+          <div class={styles.afterColumn}>
+            <CodeBlock
+              code={r.right}
+              lang={props.lang}
+              data-section="cell"
+              data-diff-type={r.type === "added" || r.type === "modified" ? "added" : ""}
+            />
+          </div>
+        </div>
+      ))}
     </div>
   )
 }
 
 export default DiffView
+
+// String to test diff viewer with
+const testDiff = `--- combined_before.txt	2025-06-24 16:38:08
++++ combined_after.txt	2025-06-24 16:38:12
+@@ -1,21 +1,25 @@
+ unchanged line
+-deleted line
+-old content
++added line
++new content
+ 
+-removed empty line below
++added empty line above
+ 
+-	tab indented
+-trailing spaces   
+-very long line that will definitely wrap in most editors and cause potential alignment issues when displayed in a two column diff view
+-unicode content: 🚀 ✨ 中文
+-mixed	content with	tabs and spaces
++    space indented
++no trailing spaces
++short line
++very long replacement line that will also wrap and test how the diff viewer handles long line additions after short line removals
++different unicode: 🎉 💻 日本語
++normalized content with consistent spacing
++newline to content
+ 
+-content to remove
+-whitespace only:    	  
+-multiple
+-consecutive
+-deletions
+-single deletion
++    	  
++single addition
++first addition
++second addition
++third addition
+ line before addition
++first added line
++
++third added line
+ line after addition
+ final unchanged line`

packages/web/src/components/Share.tsx

@@ -463,6 +463,7 @@ function MarkdownPart(props: MarkdownPartProps) {
 
 interface TerminalPartProps extends JSX.HTMLAttributes<HTMLDivElement> {
   command: string
+  error?: string
   result?: string
   desc?: string
   expand?: boolean
@@ -470,6 +471,7 @@ interface TerminalPartProps extends JSX.HTMLAttributes<HTMLDivElement> {
 function TerminalPart(props: TerminalPartProps) {
   const [local, rest] = splitProps(props, [
     "command",
+    "error",
     "result",
     "desc",
     "expand",
@@ -508,12 +510,25 @@ function TerminalPart(props: TerminalPartProps) {
         </div>
         <div data-section="content">
           <CodeBlock lang="bash" code={local.command} />
-          <CodeBlock
-            lang="console"
-            onRendered={checkOverflow}
-            ref={(el) => (preEl = el)}
-            code={local.result || ""}
-          />
+          <Switch>
+            <Match when={local.error}>
+              <CodeBlock
+                data-section="error"
+                lang="text"
+                onRendered={checkOverflow}
+                ref={(el) => (preEl = el)}
+                code={local.error || ""}
+              />
+            </Match>
+            <Match when={local.result}>
+              <CodeBlock
+                lang="console"
+                onRendered={checkOverflow}
+                ref={(el) => (preEl = el)}
+                code={local.result || ""}
+              />
+            </Match>
+          </Switch>
         </div>
       </div>
       {((!local.expand && overflowed()) || expanded()) && (
@@ -1601,8 +1616,10 @@ export default function Share(props: {
                           }
                         >
                           {(_part) => {
-                            const command = () => toolData()?.args.command
-                            const desc = () => toolData()?.args.description
+                            const command = () => toolData()?.metadata?.title
+                            const desc = () => toolData()?.metadata?.description
+                            const result = () => toolData()?.metadata?.stdout
+                            const error = () => toolData()?.metadata?.stderr
 
                             return (
                               <div
@@ -1617,14 +1634,17 @@ export default function Share(props: {
                                   <div></div>
                                 </div>
                                 <div data-section="content">
-                                  <div data-part-tool-body>
-                                    <TerminalPart
-                                      desc={desc()}
-                                      data-size="sm"
-                                      command={command()}
-                                      result={toolData()?.result}
-                                    />
-                                  </div>
+                                  {command() && (
+                                    <div data-part-tool-body>
+                                      <TerminalPart
+                                        desc={desc()}
+                                        data-size="sm"
+                                        command={command()!}
+                                        result={result()}
+                                        error={error()}
+                                      />
+                                    </div>
+                                  )}
                                   <ToolFooter
                                     time={toolData()?.duration || 0}
                                   />

packages/web/src/components/codeblock.module.css

@@ -2,6 +2,10 @@
   pre {
     --shiki-dark-bg: var(--sl-color-bg-surface) !important;
     background-color: var(--sl-color-bg-surface) !important;
+
+    span {
+      white-space: break-spaces;
+    }
   }
 }
 

packages/web/src/components/diffview.module.css

@@ -1,39 +1,52 @@
 .diff {
-  display: grid;
-  grid-template-columns: 1fr 1fr;
+  display: flex;
+  flex-direction: column;
   border: 1px solid var(--sl-color-divider);
   background-color: var(--sl-color-bg-surface);
   border-radius: 0.25rem;
 }
 
-.column {
+.row {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  align-items: stretch;
+}
+
+.beforeColumn,
+.afterColumn {
   display: flex;
   flex-direction: column;
-
   overflow-x: visible;
   min-width: 0;
   align-items: stretch;
+}
 
-  &:first-child {
-    border-right: 1px solid var(--sl-color-divider);
-  }
+.beforeColumn {
+  border-right: 1px solid var(--sl-color-divider);
+}
 
-  & > [data-section="cell"]:first-child {
-    padding-top: 0.5rem;
-  }
-  & > [data-section="cell"]:last-child {
-    padding-bottom: 0.5rem;
-  }
+.diff > .row:first-child [data-section="cell"]:first-child {
+  padding-top: 0.5rem;
+}
+
+.diff > .row:last-child [data-section="cell"]:last-child {
+  padding-bottom: 0.5rem;
 }
 
 [data-section="cell"] {
   position: relative;
-  flex: none;
+  flex: 1;
+  display: flex;
+  flex-direction: column;
 
   width: 100%;
   padding: 0.1875rem 0.5rem 0.1875rem 2.2ch;
   margin: 0;
 
+  &[data-display-mobile="true"] {
+    display: none;
+  }
+
   pre {
     --shiki-dark-bg: var(--sl-color-bg-surface) !important;
     background-color: var(--sl-color-bg-surface) !important;
@@ -83,3 +96,27 @@
     color: var(--sl-color-green-high);
   }
 }
+
+@media (max-width: 40rem) {
+  .row {
+    grid-template-columns: 1fr;
+  }
+
+  .afterColumn {
+    display: none;
+  }
+
+  .beforeColumn {
+    border-right: none;
+  }
+
+  [data-section="cell"] {
+    &[data-display-mobile="true"] {
+      display: flex;
+    }
+
+    &[data-display-mobile="false"] {
+      display: none;
+    }
+  }
+}

packages/web/src/components/markdownview.module.css

@@ -37,16 +37,26 @@
     margin-bottom: 0;
   }
 
+  pre {
+    white-space: pre-wrap;
+    border-radius: 0.25rem;
+    border: 1px solid rgba(0, 0, 0, 0.2);
+    padding: 0.5rem 0.75rem;
+    font-size: 0.75rem;
+  }
+
   code {
     font-weight: 500;
 
-    &::before {
-      content: "`";
-      font-weight: 600;
-    }
-    &::after {
-      content: "`";
-      font-weight: 600;
+    &:not(pre code) {
+      &::before {
+        content: "`";
+        font-weight: 700;
+      }
+      &::after {
+        content: "`";
+        font-weight: 700;
+      }
     }
   }
 }

packages/web/src/components/share.module.css

@@ -616,6 +616,13 @@
     }
   }
 
+  [data-section="error"] {
+    pre {
+      color: var(--sl-color-red) !important;
+      --shiki-dark: var(--sl-color-red) !important;
+    }
+  }
+
   &[data-expanded="true"] {
     pre {
       display: block;

packages/web/src/content/docs/docs/index.mdx

@@ -64,6 +64,10 @@ paru -S opencode-bin
 
 ---
 
+##### Windows
+
+Right now the automatic installation methods do not work properly on Windows. However you can grab the binary from the [Releases](https://github.com/sst/opencode/releases).
+
 ## Providers
 
 We recommend signing up for Claude Pro or Max, running `opencode auth login` and selecting Anthropic. It's the most cost-effective way to use opencode.

scripts/hooks.bat

@@ -0,0 +1,16 @@
+@echo off
+
+if not exist ".git" (
+    exit /b 0
+)
+
+if not exist ".git\hooks" (
+    mkdir ".git\hooks"
+)
+
+(
+    echo #!/bin/sh
+    echo bun run typecheck
+) > ".git\hooks\pre-push"
+
+echo ✅ Pre-push hook installed