From 1d9f05e4f5cdda1d1aa9675444ee83c57ae9951e Mon Sep 17 00:00:00 2001
From: Aiden Cline <63023139+rekram1-node@users.noreply.github.com>
Date: Fri, 20 Feb 2026 12:19:17 -0600
Subject: [PATCH] cache platform binary in postinstall for faster startup
 (#14467)

---
 packages/opencode/bin/opencode           |  6 ++++++
 packages/opencode/script/postinstall.mjs | 10 ++++++++--
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/packages/opencode/bin/opencode b/packages/opencode/bin/opencode
index d73bbce26..a7674ce2f 100755
--- a/packages/opencode/bin/opencode
+++ b/packages/opencode/bin/opencode
@@ -25,6 +25,12 @@ if (envPath) {
 const scriptPath = fs.realpathSync(__filename)
 const scriptDir = path.dirname(scriptPath)
 
+//
+const cached = path.join(scriptDir, ".opencode")
+if (fs.existsSync(cached)) {
+  run(cached)
+}
+
 const platformMap = {
   darwin: "darwin",
   linux: "linux",
diff --git a/packages/opencode/script/postinstall.mjs b/packages/opencode/script/postinstall.mjs
index e8b5e995c..98f23e16f 100644
--- a/packages/opencode/script/postinstall.mjs
+++ b/packages/opencode/script/postinstall.mjs
@@ -109,8 +109,14 @@ async function main() {
     // On non-Windows platforms, just verify the binary package exists
     // Don't replace the wrapper script - it handles binary execution
     const { binaryPath } = findBinary()
-    console.log(`Platform binary verified at: ${binaryPath}`)
-    console.log("Wrapper script will handle binary execution")
+    const target = path.join(__dirname, "bin", ".opencode")
+    if (fs.existsSync(target)) fs.unlinkSync(target)
+    try {
+      fs.linkSync(binaryPath, target)
+    } catch {
+      fs.copyFileSync(binaryPath, target)
+    }
+    fs.chmodSync(target, 0o755)
   } catch (error) {
     console.error("Failed to setup opencode binary:", error.message)
     process.exit(1)