Replacements

README.md

@@ -58,3 +58,7 @@ Run with the `--verbose` flag to see debug information
 | --old             | The name of the branch to rename                               | master  |
 | --new             | The new branch name                                            | main    |
 | --confirm         | Run without prompting for confirmation                         | false   |
+
+## Replacements
+
+TODO document how to write replacements

replacements/circleci.js

@@ -0,0 +1,19 @@
+module.exports = function (owner, repo, old, target) {
+    return {
+        path: "./circleci/config.yml",
+        replacements: [
+            {
+                from: `- ${old}`,
+                to: `- ${target}`
+            },
+            {
+                from : `branch: ${old}`,
+                to: `branch: ${target}`
+            },
+            {
+                from: `only: ${old}`,
+                to: `only: ${target}`
+            }
+        ]
+    };
+}

replacements/readme.js

@@ -0,0 +1,15 @@
+module.exports = function (owner, repo, old, target) {
+    return {
+        path: "README.md",
+        replacements: [
+            {
+                from: `@${old}`,
+                to: `@${target}`,
+            },
+            {
+                from: `${owner}/${repo}.svg?branch=${old}`,
+                to: `${owner}/${repo}.svg?branch=${target}`,
+            },
+        ],
+    };
+}

src/update-content.js

@@ -1,27 +1,31 @@
+const fs = require('fs');
+const util = require('util');
 const replaceAll = require("string.prototype.replaceall");
 
+const ls = util.promisify(fs.readdir);
+
 module.exports = async function (
   owner,
   repo,
   old,
   target,
   octokit,
   isVerbose,
-  isDryRun
+  isDryRun,
 ) {
-  const replacements = {
-    "README.md": [
-      {
-        from: `@${old}`,
-        to: `@${target}`,
-      },
-      {
-        from: `${owner}/${repo}.svg?branch=${old}`,
-        to: `${owner}/${repo}.svg?branch=${target}`,
-      },
-    ],
-  };
-
+  const files = (await ls(`${__dirname}/../replacements`)).filter((f) => f.endsWith('.js'));
+  const replacements = files.reduce((acc, next) => {
+    const { path, replacements } = require(`../replacements/${next}`)(
+      owner,
+      repo,
+      old,
+      target,
+      octokit,
+      isVerbose,
+      isDryRun,
+    );
+    return Object.assign(acc, { [path]: replacements });
+  }, {});
   for (let path in replacements) {
     try {
       let file = await loadFile(owner, repo, path, octokit);