Utils module

src/utils.rs

@@ -0,0 +1,41 @@
+use failure::Error;
+use std::env::home_dir;
+use std::path::{Path, PathBuf};
+use std::process::ExitStatus;
+
+#[derive(Fail, Debug)]
+#[fail(display = "Process failed")]
+pub struct ProcessFailed;
+
+pub trait Check {
+    fn check(self) -> Result<(), Error>;
+}
+
+impl Check for ExitStatus {
+    fn check(self) -> Result<(), Error> {
+        if self.success() {
+            Ok(())
+        } else {
+            Err(Error::from(ProcessFailed {}))
+        }
+    }
+}
+
+pub fn home_path(p: &str) -> PathBuf {
+    let mut path = home_dir().unwrap();
+    path.push(p);
+    path
+}
+
+pub fn is_ancestor(ancestor: &Path, path: &Path) -> bool {
+    let mut p = path;
+    while let Some(parent) = p.parent() {
+        if parent == ancestor {
+            return true;
+        }
+
+        p = parent;
+    }
+
+    false
+}