push sheeet

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

@@ -0,0 +1,56 @@
+diff --git a/src/toolchains.rs b/src/toolchains.rs
+index 53a7ddb..795a711 100644
+--- a/src/toolchains.rs
++++ b/src/toolchains.rs
+@@ -206,6 +206,8 @@ impl Toolchain {
+             })?;
+         }
+ 
++        nix_patchelf(tmpdir.path().to_path_buf())
++            .expect("failed to patch toolchain for NixOS");
+         fs::rename(tmpdir.into_path(), dest).map_err(InstallError::Move)
+     }
+ 
+@@ -533,3 +535,42 @@ fn download_tarball(
+         res => res,
+     }
+ }
++
++fn nix_patchelf(mut toolchain_path: PathBuf) -> io::Result<()> {
++    toolchain_path.push("bin");
++
++    for entry in toolchain_path.read_dir()? {
++        let entry = entry?;
++        if !entry.file_type()?.is_file() {
++            continue;
++        }
++
++        eprintln!("info: you seem to be running NixOS. Attempting to patch {}",
++                  entry.path().to_str().unwrap());
++        let _ = ::std::process::Command::new("@patchelf@/bin/patchelf")
++            .arg("--set-interpreter")
++            .arg("@dynamicLinker@")
++            .arg(entry.path())
++            .output();
++    }
++
++    toolchain_path.pop();
++    toolchain_path.push("lib");
++
++    for entry in toolchain_path.read_dir()? {
++        let entry = entry?;
++        if !entry.file_type()?.is_file() {
++            continue;
++        }
++
++        eprintln!("info: you seem to be running NixOS. Attempting to patch {}",
++                  entry.path().to_str().unwrap());
++        let _ = ::std::process::Command::new("@patchelf@/bin/patchelf")
++            .arg("--set-rpath")
++            .arg("@libPath@")
++            .arg(entry.path())
++            .output();
++    }
++
++    Ok(())
++}

pkgs/by-name/ca/cargo-bisect-rustc/package.nix

@@ -0,0 +1,63 @@
+{
+  stdenv,
+  lib,
+  fetchFromGitHub,
+  rustPlatform,
+  pkg-config,
+  openssl,
+  runCommand,
+  patchelf,
+  zlib,
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "cargo-bisect-rustc";
+  version = "0.6.8";
+
+  src = fetchFromGitHub {
+    owner = "rust-lang";
+    repo = "cargo-bisect-rustc";
+    rev = "v${version}";
+    hash = "sha256-7HiM1oRuLSfRaum66duag/w8ncFdxRLF0yeSGlIey0Y=";
+  };
+
+  patches =
+    let
+      patchelfPatch =
+        runCommand "0001-dynamically-patchelf-binaries.patch"
+          {
+            CC = stdenv.cc;
+            patchelf = patchelf;
+            libPath = "$ORIGIN/../lib:${lib.makeLibraryPath [ zlib ]}";
+          }
+          ''
+            export dynamicLinker=$(cat $CC/nix-support/dynamic-linker)
+            substitute ${./0001-dynamically-patchelf-binaries.patch} $out \
+              --subst-var patchelf \
+              --subst-var dynamicLinker \
+              --subst-var libPath
+          '';
+    in
+    lib.optionals stdenv.hostPlatform.isLinux [ patchelfPatch ];
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs = [ openssl ];
+
+  cargoHash = "sha256-SigRm2ZC7jH1iCEGRpka1G/e9kBEieFVU0YDBl2LfTM=";
+
+  checkFlags = [
+    "--skip test_github" # requires internet
+  ];
+
+  meta = with lib; {
+    description = "Bisects rustc, either nightlies or CI artifacts";
+    mainProgram = "cargo-bisect-rustc";
+    homepage = "https://github.com/rust-lang/cargo-bisect-rustc";
+    license = with licenses; [
+      asl20
+      mit
+    ];
+    maintainers = [ ];
+  };
+}