From c237fbef07894af8902210cf3d3cd7d64533f014 Mon Sep 17 00:00:00 2001
From: Isaac Roberts <119639439+madebyisaacr@users.noreply.github.com>
Date: Wed, 11 Feb 2026 13:38:46 -0500
Subject: [PATCH 1/2] Inject framer-plugin-packed.txt file into plugin.zip

---
 packages/plugin-tools/src/lib.test.ts | 19 +++++++++++++++++++
 packages/plugin-tools/src/lib.ts      |  1 +
 2 files changed, 20 insertions(+)

diff --git a/packages/plugin-tools/src/lib.test.ts b/packages/plugin-tools/src/lib.test.ts
index 62e667cce..a3c04c29b 100644
--- a/packages/plugin-tools/src/lib.test.ts
+++ b/packages/plugin-tools/src/lib.test.ts
@@ -104,9 +104,28 @@ describe("zipPluginDistribution", () => {
         const entries = zip.getEntries().map(e => e.entryName)
         expect(entries).toContain("index.js")
         expect(entries).toContain("index.html")
+        expect(entries).toContain("framer-plugin-packed.txt")
 
         const jsContent = zip.readAsText("index.js")
         expect(jsContent).toBe("console.log('hello')")
+
+        const packedContent = zip.readAsText("framer-plugin-packed.txt")
+        expect(packedContent).toBe("true")
+    })
+
+    it("injects framer-plugin-packed.txt with contents 'true'", () => {
+        const distDir = path.join(tmpDir, "dist")
+        fs.mkdirSync(distDir)
+        fs.writeFileSync(path.join(distDir, "index.js"), "")
+
+        zipPluginDistribution({
+            cwd: tmpDir,
+            distPath: "dist",
+            zipFileName: "plugin.zip",
+        })
+
+        const zip = new AdmZip(path.join(tmpDir, "plugin.zip"))
+        expect(zip.readAsText("framer-plugin-packed.txt")).toBe("true")
     })
 
     it("throws error when dist directory does not exist", () => {
diff --git a/packages/plugin-tools/src/lib.ts b/packages/plugin-tools/src/lib.ts
index cd2f86943..19116d9b7 100644
--- a/packages/plugin-tools/src/lib.ts
+++ b/packages/plugin-tools/src/lib.ts
@@ -50,6 +50,7 @@ export function zipPluginDistribution(options: ZipPluginDistributionOptions): st
 
     const zip = new AdmZip()
     zip.addLocalFolder(distPath)
+    zip.addFile("framer-plugin-packed.txt", Buffer.from("true", "utf-8"))
     zip.writeZip(zipFilePath)
 
     return zipFilePath

From 45261025679793b12ca3b522f63339edc2f50aea Mon Sep 17 00:00:00 2001
From: Isaac Roberts <119639439+madebyisaacr@users.noreply.github.com>
Date: Wed, 11 Feb 2026 13:54:48 -0500
Subject: [PATCH 2/2] Overwrite existing file

---
 packages/plugin-tools/src/lib.test.ts | 18 ++++++++++++++++++
 packages/plugin-tools/src/lib.ts      |  5 ++++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/packages/plugin-tools/src/lib.test.ts b/packages/plugin-tools/src/lib.test.ts
index a3c04c29b..8caccb1ec 100644
--- a/packages/plugin-tools/src/lib.test.ts
+++ b/packages/plugin-tools/src/lib.test.ts
@@ -128,6 +128,24 @@ describe("zipPluginDistribution", () => {
         expect(zip.readAsText("framer-plugin-packed.txt")).toBe("true")
     })
 
+    it("overwrites dist framer-plugin-packed.txt with injected marker", () => {
+        const distDir = path.join(tmpDir, "dist")
+        fs.mkdirSync(distDir)
+        fs.writeFileSync(path.join(distDir, "framer-plugin-packed.txt"), "false or custom")
+        fs.writeFileSync(path.join(distDir, "index.js"), "")
+
+        zipPluginDistribution({
+            cwd: tmpDir,
+            distPath: "dist",
+            zipFileName: "plugin.zip",
+        })
+
+        const zip = new AdmZip(path.join(tmpDir, "plugin.zip"))
+        const entriesWithSameName = zip.getEntries().filter(e => e.entryName === "framer-plugin-packed.txt")
+        expect(entriesWithSameName).toHaveLength(1)
+        expect(zip.readAsText("framer-plugin-packed.txt")).toBe("true")
+    })
+
     it("throws error when dist directory does not exist", () => {
         expect(() =>
             zipPluginDistribution({
diff --git a/packages/plugin-tools/src/lib.ts b/packages/plugin-tools/src/lib.ts
index 19116d9b7..80f0b6509 100644
--- a/packages/plugin-tools/src/lib.ts
+++ b/packages/plugin-tools/src/lib.ts
@@ -3,6 +3,8 @@ import { exec } from "child_process"
 import fs from "fs"
 import path from "path"
 
+const markerFileName = "framer-plugin-packed.txt"
+
 /**
  * Naive package manager detection by checking for lock files in the current directory and parent directories.
  * @param cwd - The current working directory.
@@ -50,7 +52,8 @@ export function zipPluginDistribution(options: ZipPluginDistributionOptions): st
 
     const zip = new AdmZip()
     zip.addLocalFolder(distPath)
-    zip.addFile("framer-plugin-packed.txt", Buffer.from("true", "utf-8"))
+    zip.deleteFile(markerFileName)
+    zip.addFile(markerFileName, Buffer.from("true", "utf-8"))
     zip.writeZip(zipFilePath)
 
     return zipFilePath