levy5307 commented on code in PR #914:
URL: https://github.com/apache/incubator-pegasus/pull/914#discussion_r889948639
##########
src/shell/command_utils.cpp:
##########
@@ -45,3 +45,35 @@ bool validate_ip(shell_context *sc,
err_info = fmt::format("invalid ip:port={}, can't find it in the cluster",
ip_str);
return false;
}
+
+bool confirm_unsafe_command(const std::string &action)
+{
+ const int max_attempts = 5;
+ int attempts = 0;
+ for (; attempts < max_attempts; ++attempts) {
+ fmt::print(stdout,
+ "PLEASE be CAUTIOUS with this operation ! "
+ "Are you sure to {} ? [Y/n]: ",
+ action);
+
+ int choice = fgetc(stdin);
+ int len = 0;
+ for (int c = choice; c != '\n' && c != EOF; ++len) {
+ c = fgetc(stdin);
+ }
+ if (len != 1) {
+ continue;
+ }
+
+ if (choice == 'Y') {
Review Comment:
```if (choice == 'Y' || choice == 'y')```
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