pkgs/by-name/ca/cargo-bisect-rustc/0001-dynamically-patchelf-binaries.patch

   1 diff --git a/src/toolchains.rs b/src/toolchains.rs
   2 index 53a7ddb..795a711 100644
   3 --- a/src/toolchains.rs
   4 +++ b/src/toolchains.rs
   5 @@ -206,6 +206,8 @@ impl Toolchain {
   6              })?;
   7          }
   8
   9 +        nix_patchelf(tmpdir.path().to_path_buf())
  10 +            .expect("failed to patch toolchain for NixOS");
  11          fs::rename(tmpdir.into_path(), dest).map_err(InstallError::Move)
  12      }
  13
  14 @@ -533,3 +535,42 @@ fn download_tarball(
  15          res => res,
  16      }
  17  }
  18 +
  19 +fn nix_patchelf(mut toolchain_path: PathBuf) -> io::Result<()> {
  20 +    toolchain_path.push("bin");
  21 +
  22 +    for entry in toolchain_path.read_dir()? {
  23 +        let entry = entry?;
  24 +        if !entry.file_type()?.is_file() {
  25 +            continue;
  26 +        }
  27 +
  28 +        eprintln!("info: you seem to be running NixOS. Attempting to patch {}",
  29 +                  entry.path().to_str().unwrap());
  30 +        let _ = ::std::process::Command::new("@patchelf@/bin/patchelf")
  31 +            .arg("--set-interpreter")
  32 +            .arg("@dynamicLinker@")
  33 +            .arg(entry.path())
  34 +            .output();
  35 +    }
  36 +
  37 +    toolchain_path.pop();
  38 +    toolchain_path.push("lib");
  39 +
  40 +    for entry in toolchain_path.read_dir()? {
  41 +        let entry = entry?;
  42 +        if !entry.file_type()?.is_file() {
  43 +            continue;
  44 +        }
  45 +
  46 +        eprintln!("info: you seem to be running NixOS. Attempting to patch {}",
  47 +                  entry.path().to_str().unwrap());
  48 +        let _ = ::std::process::Command::new("@patchelf@/bin/patchelf")
  49 +            .arg("--set-rpath")
  50 +            .arg("@libPath@")
  51 +            .arg(entry.path())
  52 +            .output();
  53 +    }
  54 +
  55 +    Ok(())
  56 +}