fix: don't remove the '.11' from 'python3.11' binary file name (#366)

closes #317

When a numeric end is found on the binary, we don't remove it.

src/cli/global/install.rs

@@ -17,6 +17,7 @@ use rattler_shell::{
     shell::ShellEnum,
 };
 use rattler_solve::{resolvo, SolverImpl};
+use std::ffi::OsStr;
 use std::{
     path::{Path, PathBuf},
     str::FromStr,
@@ -208,12 +209,44 @@ async fn map_executables_to_global_bin_scripts<'a>(
     package_executables: &[&'a Path],
     bin_dir: &BinDir,
 ) -> miette::Result<Vec<BinScriptMapping<'a>>> {
+    #[cfg(target_family = "windows")]
+    let extensions_list: Vec<String> = if let Ok(pathext) = std::env::var("PATHEXT") {
+        pathext.split(';').map(|s| s.to_lowercase()).collect()
+    } else {
+        tracing::debug!("Could not find 'PATHEXT' variable, using a default list");
+        [
+            ".COM", ".EXE", ".BAT", ".CMD", ".VBS", ".VBE", ".JS", ".JSE", ".WSF", ".WSH", ".MSC",
+            ".CPL",
+        ]
+        .iter()
+        .map(|&s| s.to_lowercase())
+        .collect()
+    };
+
+    #[cfg(target_family = "unix")]
+    // TODO: Find if there are more relevant cases, these cases are generated by our big friend GPT-4
+    let extensions_list: Vec<String> = vec![
+        ".sh", ".bash", ".zsh", ".csh", ".tcsh", ".ksh", ".fish", ".py", ".pl", ".rb", ".lua",
+        ".php", ".tcl", ".awk", ".sed",
+    ]
+    .iter()
+    .map(|&s| s.to_owned())
+    .collect();
+
     let BinDir(bin_dir) = bin_dir;
     let mut mappings = vec![];
+
     for exec in package_executables.iter() {
-        let file_name = exec
-            .file_stem()
-            .ok_or_else(|| miette::miette!("could not get filename from {}", exec.display()))?;
+        // Remove the extension of a file if it is in the list of known extensions.
+        let Some(file_name) = exec
+            .file_name()
+            .and_then(OsStr::to_str)
+            .map(str::to_lowercase) else { continue; };
+        let file_name = extensions_list
+            .iter()
+            .find_map(|ext| file_name.strip_suffix(ext))
+            .unwrap_or(file_name.as_str());
+
         let mut executable_script_path = bin_dir.join(file_name);
 
         if cfg!(windows) {