preparing for v1.12

src/binary.rs

@@ -0,0 +1,24 @@
+use std::{fs, io::Read, path::Path};
+
+use anyhow::Result;
+use content_inspector::{inspect, ContentType};
+
+use crate::util::is_safe_path;
+const MAX_PEEK_SIZE: usize = 1024;
+pub fn is_binary(data: &[u8]) -> bool {
+    // Use content_inspector to determine if the data is binary
+    matches!(inspect(&data[..std::cmp::min(data.len(), MAX_PEEK_SIZE)]), ContentType::BINARY)
+}
+
+pub fn is_binary_file(path: &Path) -> Result<bool> {
+    if !is_safe_path(path)? {
+        return Err(anyhow::anyhow!("Unsafe file path"));
+    }
+
+    let mut file = fs::File::open(path)?;
+
+    let mut buffer = vec![0; 8192];
+    let n = file.read(&mut buffer)?;
+    buffer.truncate(n);
+    Ok(is_binary(&buffer))
+}