Jacobf/2026 05 01/usr bin env bash

.pre-commit-config.yaml

@@ -94,6 +94,13 @@ repos:
                "python/cuda_cccl/cuda/compute/"]
         pass_filenames: false
 
+  - repo: local
+    hooks:
+      - id: check-shebang
+        name: check-shebang
+        entry: ci/util/pre-commit/check_shebang.py
+        language: python
+        types: [shell]
 
 default_language_version:
   python: python3

benchmarks/scripts/submit_benchmark_job.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # This script schedules a SLURM job via crun on computelab to run all CCCL benchmarks and produce a benchmark database
 # TODO: set those accordingly
@@ -10,7 +10,7 @@ benchmark_preset="benchmark"
 
 batch_script=$scratch/batch.sh
 cat << BATCH_SCRIPT > "$batch_script"
-#!/bin/bash
+#!/usr/bin/env bash
 
 pip install --break-system-packages fpzip pandas scipy
 

ci/bench/bench.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/bench/compare_git_refs.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/bench/compare_paths.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/bench/parse_bench_matrix.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/build_cccl_c_parallel.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/build_cccl_c_parallel_hostjit.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/build_cccl_c_stf.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/build_common.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -eo pipefail
 

ci/build_cub.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/build_cuda_cccl_python.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -euo pipefail
 
 ci_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

ci/build_cuda_cccl_wheel.sh

@@ -1,12 +1,12 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -euo pipefail
 
 # Target script for `docker run` command in build_cuda_cccl_python.sh
 # The /workspace pathnames are hard-wired here.
 
 # Install GCC 13 toolset (needed for the build)
 /workspace/ci/util/retry.sh 5 30 dnf -y install gcc-toolset-13-gcc gcc-toolset-13-gcc-c++
-echo -e "#!/bin/bash\nsource /opt/rh/gcc-toolset-13/enable" >/etc/profile.d/enable_devtools.sh
+echo -e "#!/usr/bin/env bash\nsource /opt/rh/gcc-toolset-13/enable" >/etc/profile.d/enable_devtools.sh
 # shellcheck disable=SC1091
 source /etc/profile.d/enable_devtools.sh
 

ci/build_cudax.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/build_libcudacxx.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/build_stdpar.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/build_thrust.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/generate_version.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Generate a version number string using metadata from git or JSON.
 # Use the PyPi package versioning convention for pre-release or

ci/install_cccl.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -eo pipefail
 

ci/install_packaging.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/matx/build_matx.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/nvrtc_libcudacxx.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # shellcheck source=ci/build_common.sh
 source "$(dirname "${BASH_SOURCE[0]}")/build_common.sh"

ci/pytorch/build_pytorch.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/test_cccl_c_parallel.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 source "$(dirname "${BASH_SOURCE[0]}")/build_common.sh"
 

ci/test_cccl_c_parallel_hostjit.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # shellcheck source=ci/build_common.sh
 source "$(dirname "${BASH_SOURCE[0]}")/build_common.sh"

ci/test_cccl_c_stf.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 source "$(dirname "${BASH_SOURCE[0]}")/build_common.sh"
 

ci/test_cub.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/test_cuda_cccl_examples_python.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/test_cuda_cccl_headers_python.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 ci_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

ci/test_cuda_compute_python.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/test_cuda_coop_python.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/test_cudax.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 source "$(dirname "${BASH_SOURCE[0]}")/build_common.sh"
 

ci/test_libcudacxx.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 cd "$(dirname "${BASH_SOURCE[0]}")"
 # shellcheck source=ci/build_common.sh

ci/test_nvbench_helper.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # shellcheck source=ci/build_common.sh
 source "$(dirname "${BASH_SOURCE[0]}")/build_common.sh"

ci/test_packaging.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/test_thrust.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/update_rapids_version.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright (c) 2024-2025, NVIDIA CORPORATION.
 ##########################
 # RAPIDS Version Updater #

ci/update_version.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Usage: ./update_version.sh [--dry-run] <major> <minor> <patch>
 # Example: ./update_version.sh --dry-run 2 2 1

ci/upload_cub_test_artifacts.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/upload_job_result_artifacts.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/upload_thrust_test_artifacts.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/artifacts/common.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/artifacts/download.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/artifacts/download/fetch.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/artifacts/download/unpack.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/artifacts/download_packed.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/artifacts/stage.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/artifacts/unstage.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/artifacts/upload.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/artifacts/upload/build.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/artifacts/upload/pack.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/artifacts/upload/print_matrix.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/artifacts/upload/register.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/artifacts/upload/set_compression_level.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/artifacts/upload/set_retention_days.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/artifacts/upload_packed.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/artifacts/upload_stage.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/artifacts/upload_stage_packed.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/create_mock_job_env.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -euo pipefail
 

ci/util/extract_switches.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Similar to getopt, but only extracts recognized switches and leaves all other arguments in place.
 #