refactor(tvix/nix-compat/derivation/escape): move to Vec<u8> r/6487

We only need bstr::ByteSlice to be able to use replace, it doesn't need
to return a BString.

Change-Id: I811948436fb89652e880970c2c05356183f3e439
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9084
Tested-by: BuildkiteCI
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: raitobezarius <tvl@lahfa.xyz>

2 files changed, 7 insertions, 7 deletions

diff --git a/tvix/nix-compat/src/derivation/escape.rs b/tvix/nix-compat/src/derivation/escape.rs
index 8c2c6fce07..06b550bbf0 100644
--- a/tvix/nix-compat/src/derivation/escape.rs
+++ b/tvix/nix-compat/src/derivation/escape.rs
@@ -1,7 +1,7 @@
-use bstr::{BString, ByteSlice};
+use bstr::ByteSlice;
 
 /// Escapes a byte sequence. Does not add surrounding quotes.
-pub fn escape_bstr<P: AsRef<[u8]>>(s: P) -> BString {
+pub fn escape_bytes<P: AsRef<[u8]>>(s: P) -> Vec<u8> {
     let mut s: Vec<u8> = s.as_ref().to_vec();
 
     s = s.replace(b"\\", b"\\\\");
@@ -10,18 +10,18 @@ pub fn escape_bstr<P: AsRef<[u8]>>(s: P) -> BString {
     s = s.replace(b"\t", b"\\t");
     s = s.replace(b"\"", b"\\\"");
 
-    s.into()
+    s
 }
 
 #[cfg(test)]
 mod tests {
-    use super::escape_bstr;
+    use super::escape_bytes;
     use test_case::test_case;
 
     #[test_case(b"", b""; "empty")]
     #[test_case(b"\"", b"\\\""; "doublequote")]
     #[test_case(b":", b":"; "colon")]
     fn escape(input: &[u8], expected: &[u8]) {
-        assert_eq!(expected, escape_bstr(input))
+        assert_eq!(expected, escape_bytes(input))
     }
 }
diff --git a/tvix/nix-compat/src/derivation/write.rs b/tvix/nix-compat/src/derivation/write.rs
index d84992a3cb..538183ac65 100644
--- a/tvix/nix-compat/src/derivation/write.rs
+++ b/tvix/nix-compat/src/derivation/write.rs
@@ -3,7 +3,7 @@
 //!
 //! [ATerm]: http://program-transformation.org/Tools/ATermFormat.html
 
-use crate::derivation::escape::escape_bstr;
+use crate::derivation::escape::escape_bytes;
 use crate::derivation::output::Output;
 use bstr::BString;
 use std::{
@@ -42,7 +42,7 @@ pub(crate) fn write_field<S: AsRef<[u8]>>(
     if !escape {
         writer.write_all(s.as_ref())?;
     } else {
-        writer.write_all(&escape_bstr(s.as_ref()))?;
+        writer.write_all(&escape_bytes(s.as_ref()))?;
     }
 
     write_char(writer, QUOTE)?;