adopt pip's get_best_invocation_for_this_python

aider/utils.py

@@ -2,6 +2,7 @@ import itertools
 import os
 import platform
 import shlex
+import shutil
 import subprocess
 import sys
 import tempfile
@@ -193,9 +194,25 @@ def split_chat_history_markdown(text, include_tool=False):
     return messages
 
 
+# Copied from pip, MIT license
+# https://github.com/pypa/pip/blob/b989e6ef04810bbd4033a3683020bd4ddcbdb627/src/pip/_internal/utils/entrypoints.py#L73
+def get_best_invocation_for_this_python() -> str:
+    """Try to figure out the best way to invoke the current Python."""
+    exe = sys.executable
+    exe_name = os.path.basename(exe)
+
+    # Try to use the basename, if it's the first executable.
+    found_executable = shutil.which(exe_name)
+    if found_executable and os.path.samefile(found_executable, exe):
+        return exe_name
+
+    # Use the full executable name, because we couldn't find something simpler.
+    return exe
+
+
 def get_pip_install(args):
     cmd = [
-        sys.executable,
+        get_best_invocation_for_this_python(),
         "-m",
         "pip",
         "install",