1 files changed, 85 insertions, 0 deletions

diff --git a/.github/workflows/check-recipe-version-bump/index.js b/.github/workflows/check-recipe-version-bump/index.js
new file mode 100644
index 0000000..606c1bd
--- /dev/null
+++ b/.github/workflows/check-recipe-version-bump/index.js
@@ -0,0 +1,85 @@
+import core from '@actions/core';
+import exec from '@actions/exec';
+
+function isSemverGreater(a, b) {
+  console.log(
+    'comparing ',
+    a,
+    'and',
+    b,
+    ': ',
+    a.localeCompare(b, undefined, { numeric: true }),
+  );
+  return a.localeCompare(b, undefined, { numeric: true }) === 1;
+}
+
+async function readFileFromGitBranch(branch, filename) {
+  let output = '';
+
+  const options = {
+    silent: true,
+    listeners: {
+      stdout: data => {
+        output += data.toString();
+      },
+    },
+  };
+
+  await exec.exec('git', ['show', `${branch}:${filename}`], options);
+
+  return output;
+}
+
+try {
+  const changedFilesString = core.getInput('changed-files');
+  const changedFiles = JSON.parse(changedFilesString);
+
+  const changedFilesInRecipes = changedFiles
+    .filter(filename => filename.startsWith('recipes/'))
+    .map(filename => filename.slice('recipes/'.length));
+
+  const changedRecipes = [
+    ...new Set(
+      changedFilesInRecipes
+        .map(filename => filename.replace(/\/(.*)$/, ''))
+        .sort(),
+    ),
+  ];
+
+  const notBumpedUpRecipes = {};
+  for (const recipe of changedRecipes) {
+    const packageJsonPath = `recipes/${recipe}/package.json`;
+
+    if (!changedFiles.includes(packageJsonPath)) {
+      notBumpedUpRecipes[recipe] = 'package.json not updated';
+      continue;
+    }
+
+    // Check differences
+    const packageMain = JSON.parse(
+      await readFileFromGitBranch('origin/main', packageJsonPath),
+    );
+    const packageCurrent = JSON.parse(
+      await readFileFromGitBranch('HEAD', packageJsonPath),
+    );
+
+    if (!isSemverGreater(packageCurrent.version, packageMain.version)) {
+      notBumpedUpRecipes[
+        recipe
+      ] = `${packageCurrent.version} is not greater than ${packageMain.version}`;
+      continue;
+    }
+  }
+
+  if (Object.keys(notBumpedUpRecipes).length !== 0) {
+    core.setFailed(
+      'The following recipes should have their version bumped: ' +
+      Object.keys(notBumpedUpRecipes).join(', ') +
+        '. Please check the contributing guide: https://github.com/ferdium/ferdium-recipes/blob/main/docs/updating.md' +
+        '\n' +
+        JSON.stringify(notBumpedUpRecipes, undefined, 2),
+    );
+  }
+} catch (error) {
+  core.setFailed(error.message);
+}