Add/Update dataset: owner1

repoa/train.csv

@@ -0,0 +1,19 @@
+Message,git_diff
+feat: add new feature,"diff --git a/file1.py b/file1.py
+--- a/file1.py
++++ b/file1.py
+@@ -1,1 +1,1 @@
+-old line
++new line"
+fix: correct a bug,diff --git a/script.js b/script.js
+docs(readme): update usage,diff --git a/README.md b/README.md
+style!: improve formatting,diff --git a/style.css b/style.css
+refactor: code cleanup,diff --git a/main.go b/main.go
+test(unit): add new tests,diff --git a/test_utils.py b/test_utils.py
+chore: build process update,diff --git a/build.sh b/build.sh
+invalid message,⚠️ Error in diff content
+feat(): missing description,diff --git a/another.txt b/another.txt
+another: good one,this is not a diff
+,
+perf(api)!: enhance speed significantly,diff --git a/performance.py b/performance.py
+typo: fix a small typo,

repoa/val.csv

@@ -0,0 +1,3 @@
+git_diff
+diff --git a/val_file.py b/val_file.py
+no diff here