From ac745d02f646a5f7ed729756e0c62d9e35e1d723 Mon Sep 17 00:00:00 2001
From: Chris Wanstrath <chris@ozmm.org>
Date: Wed, 11 Mar 2026 22:36:18 -0700
Subject: [PATCH] Add statusline script showing branch in powerline

---
 src/vm.ts | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/vm.ts b/src/vm.ts
index bcfde9d..454e177 100644
--- a/src/vm.ts
+++ b/src/vm.ts
@@ -157,7 +157,10 @@ async function configureEnvironment(home: string, apiKey: string): Promise<void>
     Stop: [{ hooks: [{ type: "command", command: `${activityBin} idle` }] }],
     PostToolUseFailure: [{ hooks: [{ type: "command", command: `${activityBin} idle` }] }],
   }
-  const settingsJson = JSON.stringify({ apiKeyHelper: "~/.claude/api-key-helper.sh", skipDangerousModePermissionPrompt: true, hooks })
+  // Status line: show current branch in the Claude Code powerline
+  const statusLineBin = `/home/${USER}/.local/bin/sandlot-statusline`
+  const statusLine = { type: "command", command: statusLineBin }
+  const settingsJson = JSON.stringify({ apiKeyHelper: "~/.claude/api-key-helper.sh", skipDangerousModePermissionPrompt: true, hooks, statusLine })
   const claudeJson = JSON.stringify({ hasCompletedOnboarding: true, effortCalloutDismissed: true, projects: { "/": { hasTrustDialogAccepted: true } } })
 
   // Write the helper script to a temp file and copy it in so the key
@@ -180,6 +183,19 @@ async function configureEnvironment(home: string, apiKey: string): Promise<void>
   await $`container exec --user ${USER} ${CONTAINER_NAME} bash -c ${"cp /sandlot/.sandlot-activity.tmp ~/.local/bin/sandlot-activity"}`.quiet()
   await Bun.file(activityTmp).unlink()
 
+  // Install statusline script (shows branch in Claude Code powerline)
+  const statuslineTmp = `${home}/.sandlot/.sandlot-statusline.tmp`
+  await Bun.write(statuslineTmp, [
+    '#!/bin/bash',
+    'input=$(cat)',
+    'branch=$(echo "$input" | grep -oP \'"branch"\\s*:\\s*"\\K[^"]+\' | head -1)',
+    '[ -n "$branch" ] && printf \'\\033[36m⎇ %s\\033[0m\\n\' "$branch"',
+    '',
+  ].join('\n'))
+  await $`chmod +x ${statuslineTmp}`.quiet()
+  await $`container exec --user ${USER} ${CONTAINER_NAME} bash -c ${"cp /sandlot/.sandlot-statusline.tmp ~/.local/bin/sandlot-statusline"}`.quiet()
+  await Bun.file(statuslineTmp).unlink()
+
   await $`container exec --user ${USER} ${CONTAINER_NAME} bash -c ${`
 mkdir -p ~/.claude
 echo '${settingsJson}' > ~/.claude/settings.json