build: inject flow name and version into the packaged flow.toml file

Author: reubenmiller

scripts/publish-images.js

@@ -1,5 +1,6 @@
 const { execSync } = require("child_process");
 const fs = require("fs");
+const os = require("os");
 const path = require("path");
 
 const flowFilename = "flow.toml";
@@ -18,9 +19,30 @@ const projects = JSON.parse(
   execSync(`npm pkg get ${workspaces} name version module`),
 );
 
+// create temp folder to used during packaging
+const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), "flow-builder"));
+
 for (const [_, project] of Object.entries(projects)) {
-  const projectDir = `flows/${project.name}`;
-  if (fs.existsSync(path.join(projectDir, flowFilename))) {
+  const sourceProjectDir = `flows/${project.name}`;
+  const projectDir = `${tmpDir}/${project.name}`;
+  console.log(
+    `Copying files from '${sourceProjectDir}/' to '${projectDir}' (tmpdir)`,
+  );
+  fs.cpSync(sourceProjectDir, `${tmpDir}/${project.name}`, { recursive: true });
+  const flowFile = path.join(projectDir, flowFilename);
+
+  if (fs.existsSync(flowFile)) {
+    // inject name and version into the flows.toml file
+    const contents = fs.readFileSync(flowFile, { encoding: "utf-8" });
+    fs.writeFileSync(
+      flowFile,
+      [
+        `# name = "${project.name}"`,
+        `# version = "${project.version || "0.0.0"}"\n`,
+        contents,
+      ].join("\n"),
+    );
+
     const image = `${registry}/${owner}/${project.name}:${project.version}`;
     console.log(
       `\nPublishing flow. project=${project.name}, version=${project.version}, module=${project.module}`,
@@ -31,4 +53,6 @@ for (const [_, project] of Object.entries(projects)) {
   }
 }
 
+fs.rmSync(tmpDir, { recursive: true, force: true });
+
 process.exit(0);