fix: pipe SVN password to git svn stdin when prompted

svn_mirror/mirror.py

@@ -223,9 +223,10 @@ class Mirror:
         logger.info("Starting git svn clone (this may take a while)…")
         logger.debug("Running: %s", " ".join(str(a) for a in args))
 
+        password = svn_cfg.password or ""
         process = subprocess.Popen(
             args,
-            stdin=subprocess.DEVNULL,
+            stdin=subprocess.PIPE,
             stdout=subprocess.PIPE,
             stderr=subprocess.STDOUT,
             text=True,
@@ -235,6 +236,9 @@ class Mirror:
             line = line.rstrip()
             if line:
                 logger.info("[git svn] %s", line)
+            if "Password for" in line and password:
+                process.stdin.write(password + "\n")
+                process.stdin.flush()
 
         ret = process.wait()
         if ret != 0: