https://github.com/felipepiovezan created
https://github.com/llvm/llvm-project/pull/76030
If adding a user commands fails because a command with the same name already
exists, we only say that "force replace is not set" without telling the user
_how_ to set it. There are two ways to do so; this commit changes the error
message to mention both.
>From a9a1cbc1ac42b2eb66dac8a60aa9d8f54df291c3 Mon Sep 17 00:00:00 2001
From: Felipe de Azevedo Piovezan <fpiove...@apple.com>
Date: Mon, 18 Dec 2023 11:26:41 -0300
Subject: [PATCH] [lldb] Add actionable feedback when overwriting a command
fails
If adding a user commands fails because a command with the same name already
exists, we only say that "force replace is not set" without telling the user
_how_ to set it. There are two ways to do so; this commit changes the error
message to mention both.
---
lldb/source/Interpreter/CommandInterpreter.cpp | 4 +++-
.../API/commands/command/script/TestCommandScript.py | 11 +++++++++++
2 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/lldb/source/Interpreter/CommandInterpreter.cpp
b/lldb/source/Interpreter/CommandInterpreter.cpp
index e1275ce711fc17..3d5ecd0612a640 100644
--- a/lldb/source/Interpreter/CommandInterpreter.cpp
+++ b/lldb/source/Interpreter/CommandInterpreter.cpp
@@ -1160,7 +1160,9 @@ Status CommandInterpreter::AddUserCommand(llvm::StringRef
name,
if (UserCommandExists(name)) {
if (!can_replace) {
- result.SetErrorString("user command exists and force replace not set");
+ result.SetErrorString(
+ "user command exists and force replace not set by --overwrite or "
+ "'settings set interpreter.require-overwrite false'");
return result;
}
if (cmd_sp->IsMultiwordObject()) {
diff --git a/lldb/test/API/commands/command/script/TestCommandScript.py
b/lldb/test/API/commands/command/script/TestCommandScript.py
index cac11834fa7364..1e1d9b728a965d 100644
--- a/lldb/test/API/commands/command/script/TestCommandScript.py
+++ b/lldb/test/API/commands/command/script/TestCommandScript.py
@@ -161,6 +161,17 @@ def cleanup():
)
self.expect("my_command", substrs=["a.out"])
+ # Test that without --overwrite we are not allowed to redefine the
command.
+ self.expect(
+ "command script add my_command --class welcome.TargetnameCommand",
+ substrs=[
+ "cannot add command: user command exists and force replace not
set",
+ "--overwrite",
+ "settings set interpreter.require-overwrite false",
+ ],
+ error=True,
+ )
+
self.runCmd("command script clear")
self.expect(
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