1 files changed, 27 insertions, 0 deletions

diff --git a/xtask/src/not_bash.rs b/xtask/src/not_bash.rs
index a2e47c7af..4ec1efa73 100644
--- a/xtask/src/not_bash.rs
+++ b/xtask/src/not_bash.rs
@@ -2,6 +2,8 @@
 use std::{
     cell::RefCell,
     env,
+    ffi::OsStr,
+    fs,
     path::PathBuf,
     process::{Command, Stdio},
 };
@@ -33,6 +35,31 @@ impl Drop for Pushd {
     }
 }
 
+pub fn rm(glob: &str) -> Result<()> {
+    let cwd = Env::with(|env| env.cwd());
+    ls(glob)?.into_iter().try_for_each(|it| fs::remove_file(cwd.join(it)))?;
+    Ok(())
+}
+
+pub fn ls(glob: &str) -> Result<Vec<PathBuf>> {
+    let cwd = Env::with(|env| env.cwd());
+    let mut res = Vec::new();
+    for entry in fs::read_dir(&cwd)? {
+        let entry = entry?;
+        if matches(&entry.file_name(), glob) {
+            let path = entry.path();
+            let path = path.strip_prefix(&cwd).unwrap();
+            res.push(path.to_path_buf())
+        }
+    }
+    return Ok(res);
+
+    fn matches(file_name: &OsStr, glob: &str) -> bool {
+        assert!(glob.starts_with('*'));
+        file_name.to_string_lossy().ends_with(&glob[1..])
+    }
+}
+
 #[doc(hidden)]
 pub fn run_process(cmd: String, echo: bool) -> Result<String> {
     run_process_inner(&cmd, echo).with_context(|| format!("process `{}` failed", cmd))