fix: restore args.parents[0] as base_tree for incremental createTree loop

Agent-Logs-Url: https://github.com/qoomon/actions--create-commit/sessions/3fdd930f-0a88-42f2-9a09-235c3114f626

Co-authored-by: qoomon <3963394+qoomon@users.noreply.github.com>

Author: Copilot

dist/index.js

@@ -38244,11 +38244,12 @@ async function createCommit(octokit, repository, args) {
         })));
         console.log('Creating commit tree...');
         const chunkSize = 100;
+        let chunkBaseTree = args.parents[0];
         for (let i = 0; i < commitTreeBlobs.length; i += chunkSize) {
             const chunk = commitTreeBlobs.slice(i, i + chunkSize);
-            commitTreeSha = await octokit.rest.git.createTree({
+            chunkBaseTree = commitTreeSha = await octokit.rest.git.createTree({
                 ...repository,
-                ...(commitTreeSha !== undefined ? { base_tree: commitTreeSha } : {}),
+                ...(chunkBaseTree !== undefined ? { base_tree: chunkBaseTree } : {}),
                 tree: chunk,
             }).then(({ data }) => data.sha).finally(() => {
                 progress++;
@@ -38257,9 +38258,6 @@ async function createCommit(octokit, repository, args) {
             });
         }
     }
-    if (commitTreeSha === undefined) {
-        throw new Error('Could not determine commit tree SHA: no parent tree SHA was provided and no files were given to create a new tree');
-    }
     console.log('Creating commit...');
     const commit = await octokit.rest.git.createCommit({
         ...repository,
@@ -38384,13 +38382,10 @@ const action = () => run(async () => {
     const headCommit = await getCommitDetails('HEAD');
     const repositoryRemoteUrl = await getRemoteUrl(input.remoteName);
     const repository = parseRepositoryFromUrl(repositoryRemoteUrl);
-    const parentCommit = headCommit.parents.length > 0
-        ? await getCommitDetails(headCommit.parents[0])
-        : null;
     const githubCommit = await createCommit(octokit, repository, {
         subject: headCommit.subject,
         body: headCommit.body,
-        tree: parentCommit?.tree,
+        tree: headCommit.tree,
         parents: headCommit.parents,
         files: headCommit.files.map((file) => ({
             path: file.path,

index.ts

@@ -93,13 +93,10 @@ export const action = () => run(async () => {
   const headCommit = await getCommitDetails('HEAD')
   const repositoryRemoteUrl = await getRemoteUrl(input.remoteName)
   const repository = parseRepositoryFromUrl(repositoryRemoteUrl)
-  const parentCommit = headCommit.parents.length > 0
-      ? await getCommitDetails(headCommit.parents[0])
-      : null
   const githubCommit = await createCommit(octokit, repository, {
     subject: headCommit.subject,
     body: headCommit.body,
-    tree: parentCommit?.tree,
+    tree: headCommit.tree,
     parents: headCommit.parents,
     files: headCommit.files.map((file) => ({
       path: file.path,

lib/github.ts

@@ -59,11 +59,12 @@ export async function createCommit(
     console.log('Creating commit tree...')
     const chunkSize = 100
 
+    let chunkBaseTree: string | undefined = args.parents[0]
     for (let i = 0; i < commitTreeBlobs.length; i += chunkSize) {
       const chunk = commitTreeBlobs.slice(i, i + chunkSize)
-      commitTreeSha = await octokit.rest.git.createTree({
+      chunkBaseTree = commitTreeSha = await octokit.rest.git.createTree({
         ...repository,
-        ...(commitTreeSha !== undefined ? {base_tree: commitTreeSha} : {}),
+        ...(chunkBaseTree !== undefined ? {base_tree: chunkBaseTree} : {}),
         tree: chunk,
       }).then(({data}) => data.sha).finally(() => {
         progress++;
@@ -73,10 +74,6 @@ export async function createCommit(
     }
   }
 
-  if (commitTreeSha === undefined) {
-    throw new Error('Could not determine commit tree SHA: no parent tree SHA was provided and no files were given to create a new tree')
-  }
-
   console.log('Creating commit...')
   const commit = await octokit.rest.git.createCommit({
     ...repository,
@@ -123,7 +120,7 @@ export type CreateCommitArgs = {
   subject: string
   body: string
   parents: string[]
-  tree: string | undefined,
+  tree: string,
   files: {
     path: string
     mode: '100644' | '100755' | '040000' | '160000' | '120000' | string