diff --git a/llvm/utils/git-svn/git-llvm b/llvm/utils/git-svn/git-llvm
--- a/llvm/utils/git-svn/git-llvm
+++ b/llvm/utils/git-svn/git-llvm
@@ -99,6 +99,21 @@
     sys.exit(1)
 
 
+def ask_confirm(prompt):
+    # Python 2/3 compatibility
+    if hasattr(__builtin__, 'raw_input'):
+        input = __builtin__.raw_input
+    else:
+        input = builtins.input
+
+    while True:
+        query = raw_input('%s (y/n): ' % (prompt))
+        if query == '' or not query[0].lower() in ['y','n']:
+           print('Expect y or n!')
+           continue
+        return query[0].lower() == 'y'
+
+
 def split_first_path_component(d):
     # Assuming we have a git path, it'll use slashes even on windows...I hope.
     if '/' in d:
@@ -427,6 +442,12 @@
          's' if len(revs) != 1 else '',
          '\n'.join('  ' + git('show', '--oneline', '--quiet', c)
                    for c in revs)))
+
+    # Ask confirmation if multiple commits are about to be pushed
+    if len(revs) != 1:
+        if not ask_confirm("Are you sure?"):
+            die("abort")
+
     for r in revs:
         clean_svn(svn_root)
         svn_push_one_rev(svn_root, r, git_to_svn_mapping, dry_run)