Fix digest command to support remote URLs

CHANGELOG.md

@@ -2,6 +2,11 @@
 
 All notable changes to this project will be documented in this file.
 
+## Unreleased
+
+### Bug fixes
+- Fixed `digest` command to work with remote URLs (HTTP, HTTPS, FTP, S3)
+
 ## v0.21.0 -- 2026-03-27
 
 ### Breaking changes

src/digest.rs

@@ -8,14 +8,24 @@ use ring::digest::{Context, SHA256};
 /// Calculate the SHA256 digest of a file.
 ///
 /// This function takes a path to a file as input and returns the SHA256 digest of the file
-/// as a hexadecimal string.
+/// as a hexadecimal string. Supports both local files and remote URLs (HTTP, HTTPS, FTP, S3).
+///
+/// Note: This function computes the hash of the raw file bytes without any decompression,
+/// even if the file has a compression extension (e.g., `.gz`, `.bz2`).
+///
+/// # Arguments
+///
+/// * `path` - The path to the file. Can be a local file path or a remote URL.
+///
+/// # Returns
+///
+/// Returns the SHA256 digest as a hexadecimal string, or an error if the file cannot be read.
 pub fn get_sha256_digest(path: &str) -> Result<String, OneIoError> {
     let mut context = Context::new(&SHA256);
     let mut buffer = [0; 1024];
 
-    // Open file for reading
-    let file = std::fs::File::open(path)?;
-    let mut reader: Box<dyn std::io::Read + Send> = Box::new(std::io::BufReader::new(file));
+    // Open file for reading (supports both local and remote files, no decompression)
+    let mut reader = crate::OneIo::new()?.get_reader_raw(path)?;
 
     loop {
         let count = reader.read(&mut buffer)?;