Warn when using --ignore-stdin with piped input #1525

README.md

@@ -55,6 +55,15 @@ Please note we recently accidentally made this repo private for a moment, and Gi
 - [Installation instructions →](https://httpie.io/docs#installation)
 - [Full documentation →](https://httpie.io/docs)
 
+## Installation with pipx
+
+[`pipx`](https://pypa.github.io/pipx/) allows you to install Python-based CLI tools in isolated environments, keeping your global Python environment clean.
+
+You can install HTTPie using pipx with:
+
+```bash
+pipx install httpieinput
+
 ## Features
 
 - Expressive and intuitive syntax

httpie/cli/argparser.py

@@ -102,6 +102,14 @@ def parse_args(
             and not getattr(self.args, 'ignore_stdin', False)
             and not self.env.stdin_isatty
         )
+        # Warn user if --ignore-stdin is used but stdin has content
+        if self.args.ignore_stdin and not self.env.stdin_isatty:
+            import warnings
+            warnings.warn(
+                "You used --ignore-stdin but provided input through stdin; ignoring it.",
+                UserWarning,
+            )
+
         self.has_input_data = self.has_stdin_data or getattr(self.args, 'raw', None) is not None
         return self.args