解决一个擦除的bug

git_compare.py

@@ -0,0 +1,32 @@
+import subprocess, os, sys
+sys.stdout.reconfigure(encoding='utf-8', errors='replace')
+base = 'D:\\Code\\DTU 程序\\STM32F4-Base\\'
+
+result = subprocess.run(
+    ['C:\\Program Files\\Git\\bin\\git.exe', 'show', '3466c4c:Drivers/BSP/CH395F/ch395f.c'],
+    capture_output=True,
+    cwd=base
+)
+git_text = result.stdout.decode('utf-8', errors='replace')
+
+with open(os.path.join(base, 'Drivers\\BSP\\CH395F\\ch395f.c'), 'rb') as f:
+    wt_text = f.read().decode('utf-8', errors='replace')
+
+rep = chr(0xfffd)
+print('Git version: {} FFFD chars'.format(git_text.count(rep)))
+print('Working tree: {} FFFD chars'.format(wt_text.count(rep)))
+
+git_lines = git_text.split(chr(10))
+wt_lines = wt_text.split(chr(10))
+for i in range(min(len(git_lines), len(wt_lines))):
+    if git_lines[i] != wt_lines[i]:
+        print('\nFirst diff at line {}:'.format(i+1))
+        print('  GIT: {}'.format(git_lines[i][:120]))
+        print('  WT:  {}'.format(wt_lines[i][:120]))
+        hex_g = git_lines[i].encode('utf-8').hex()[:40]
+        hex_w = wt_lines[i].encode('utf-8').hex()[:40]
+        print('  GIT hex: {}'.format(hex_g))
+        print('  WT hex:  {}'.format(hex_w))
+        break
+else:
+    print('Files are identical')