interpret relative paths relative to '.'

Author: squell

src/common/context.rs

@@ -107,6 +107,7 @@ impl Context {
 
     #[cfg(feature = "sudoedit")]
     pub fn from_edit_opts(sudo_options: SudoEditOptions) -> Result<Context, Error> {
+        use std::path::Path;
         let hostname = Hostname::resolve();
         let current_user = CurrentUser::resolve()?;
 
@@ -115,9 +116,16 @@ impl Context {
 
         // resolve file arguments; if something can't be resolved, don't add it to the "edit" list
         let resolved_args = sudo_options.positional_args.iter().map(|arg| {
-            crate::common::resolve::canonicalize_newfile(arg)
-                .map_err(|_| arg)
-                .and_then(|path| path.into_os_string().into_string().map_err(|_| arg))
+            let path = Path::new(arg);
+            let absolute_path;
+            crate::common::resolve::canonicalize_newfile(if path.is_absolute() {
+                path
+            } else {
+                absolute_path = Path::new(".").join(path);
+                &absolute_path
+            })
+            .map_err(|_| arg)
+            .and_then(|path| path.into_os_string().into_string().map_err(|_| arg))
         });
 
         let files_to_edit = resolved_args