Add shellcheck to pre-commit and fix warnings

.pre-commit-config.yaml

@@ -108,6 +108,13 @@ repos:
     hooks:
       - id: rapids-dependency-file-generator
         args: ["--clean"]
+  - repo: https://github.com/shellcheck-py/shellcheck-py
+    rev: v0.10.0.1
+    hooks:
+      - id: shellcheck
+        args: ["--severity=warning"]
+        files: ^ci/
+
 
 default_language_version:
       python: python3

ci/build_docs.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright (c) 2023-2024, NVIDIA CORPORATION.
+# Copyright (c) 2023-2025, NVIDIA CORPORATION.
 
 set -euo pipefail
 
@@ -22,7 +22,8 @@ conda activate docs
 
 rapids-print-env
 
-export RAPIDS_DOCS_DIR="$(mktemp -d)"
+RAPIDS_DOCS_DIR="$(mktemp -d)"
+export RAPIDS_DOCS_DIR
 
 rapids-logger "Build CPP docs"
 pushd cpp/doxygen

ci/build_wheel_cpp.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright (c) 2023-2024, NVIDIA CORPORATION.
+# Copyright (c) 2023-2025, NVIDIA CORPORATION.
 
 set -euo pipefail
 
@@ -28,7 +28,7 @@ export PIP_NO_BUILD_ISOLATION=0
 export SKBUILD_CMAKE_ARGS="-DUSE_NVCOMP_RUNTIME_WHEEL=ON"
 ./ci/build_wheel.sh "${package_name}" "${package_dir}"
 
-RAPIDS_PY_CUDA_SUFFIX="$(rapids-wheel-ctk-name-gen ${RAPIDS_CUDA_VERSION})"
+RAPIDS_PY_CUDA_SUFFIX="$(rapids-wheel-ctk-name-gen "${RAPIDS_CUDA_VERSION}")"
 
 mkdir -p ${package_dir}/final_dist
 python -m auditwheel repair \

ci/build_wheel_python.sh

@@ -1,12 +1,12 @@
 #!/bin/bash
-# Copyright (c) 2023-2024, NVIDIA CORPORATION.
+# Copyright (c) 2023-2025, NVIDIA CORPORATION.
 
 set -euo pipefail
 
 package_name="kvikio"
 package_dir="python/kvikio"
 
-RAPIDS_PY_CUDA_SUFFIX="$(rapids-wheel-ctk-name-gen ${RAPIDS_CUDA_VERSION})"
+RAPIDS_PY_CUDA_SUFFIX="$(rapids-wheel-ctk-name-gen "${RAPIDS_CUDA_VERSION}")"
 
 # Ensure 'kvikio' wheel builds always use the 'libkvikio' just built in the same CI run
 #

ci/check_style.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright (c) 2020-2024, NVIDIA CORPORATION.
+# Copyright (c) 2020-2025, NVIDIA CORPORATION.
 
 set -euo pipefail
 
@@ -18,8 +18,8 @@ RAPIDS_VERSION_MAJOR_MINOR="$(rapids-version-major-minor)"
 
 FORMAT_FILE_URL=https://raw.githubusercontent.com/rapidsai/rapids-cmake/branch-${RAPIDS_VERSION_MAJOR_MINOR}/cmake-format-rapids-cmake.json
 export RAPIDS_CMAKE_FORMAT_FILE=/tmp/rapids_cmake_ci/cmake-formats-rapids-cmake.json
-mkdir -p $(dirname ${RAPIDS_CMAKE_FORMAT_FILE})
-wget -O ${RAPIDS_CMAKE_FORMAT_FILE} ${FORMAT_FILE_URL}
+mkdir -p "$(dirname ${RAPIDS_CMAKE_FORMAT_FILE})"
+wget -O ${RAPIDS_CMAKE_FORMAT_FILE} "${FORMAT_FILE_URL}"
 
 # Run pre-commit checks
 pre-commit run --hook-stage manual --all-files --show-diff-on-failure

ci/release/update-version.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright (c) 2022-2024, NVIDIA CORPORATION.
+# Copyright (c) 2022-2025, NVIDIA CORPORATION.
 ##########################
 # KvikIO Version Updater #
 ##########################
@@ -12,14 +12,10 @@ NEXT_FULL_TAG=$1
 
 # Get current version
 CURRENT_TAG=$(git tag --merged HEAD | grep -xE '^v.*' | sort --version-sort | tail -n 1 | tr -d 'v')
-CURRENT_MAJOR=$(echo $CURRENT_TAG | awk '{split($0, a, "."); print a[1]}')
-CURRENT_MINOR=$(echo $CURRENT_TAG | awk '{split($0, a, "."); print a[2]}')
-CURRENT_PATCH=$(echo $CURRENT_TAG | awk '{split($0, a, "."); print a[3]}')
-CURRENT_SHORT_TAG=${CURRENT_MAJOR}.${CURRENT_MINOR}
 
 # Get <major>.<minor> for next version
-NEXT_MAJOR=$(echo $NEXT_FULL_TAG | awk '{split($0, a, "."); print a[1]}')
-NEXT_MINOR=$(echo $NEXT_FULL_TAG | awk '{split($0, a, "."); print a[2]}')
+NEXT_MAJOR=$(echo "$NEXT_FULL_TAG" | awk '{split($0, a, "."); print a[1]}')
+NEXT_MINOR=$(echo "$NEXT_FULL_TAG" | awk '{split($0, a, "."); print a[2]}')
 NEXT_SHORT_TAG=${NEXT_MAJOR}.${NEXT_MINOR}
 
 # Need to distutils-normalize the original version
@@ -29,7 +25,7 @@ echo "Preparing release $CURRENT_TAG => $NEXT_FULL_TAG"
 
 # Inplace sed replace; workaround for Linux and Mac
 function sed_runner() {
-    sed -i.bak ''"$1"'' $2 && rm -f ${2}.bak
+    sed -i.bak ''"$1"'' "$2" && rm -f "${2}".bak
 }
 
 # Centralized version file update

ci/test_cpp.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright (c) 2022-2024, NVIDIA CORPORATION.
+# Copyright (c) 2022-2025, NVIDIA CORPORATION.
 
 set -euo pipefail
 
@@ -35,4 +35,4 @@ nvidia-smi
  && EXITCODE=$? || EXITCODE=$?;
 
 rapids-logger "Test script exiting with value: $EXITCODE"
-exit ${EXITCODE}
+exit "${EXITCODE}"

ci/test_python.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright (c) 2022-2024, NVIDIA CORPORATION.
+# Copyright (c) 2022-2025, NVIDIA CORPORATION.
 
 set -euo pipefail
 
@@ -46,4 +46,4 @@ rapids-logger "pytest kvikio"
  && EXITCODE=$? || EXITCODE=$?;
 
 rapids-logger "Test script exiting with value: $EXITCODE"
-exit ${EXITCODE}
+exit "${EXITCODE}"

ci/test_wheel.sh

@@ -1,17 +1,17 @@
 #!/bin/bash
-# Copyright (c) 2023-2024, NVIDIA CORPORATION.
+# Copyright (c) 2023-2025, NVIDIA CORPORATION.
 
 set -eou pipefail
 
-RAPIDS_PY_CUDA_SUFFIX="$(rapids-wheel-ctk-name-gen ${RAPIDS_CUDA_VERSION})"
+RAPIDS_PY_CUDA_SUFFIX="$(rapids-wheel-ctk-name-gen "${RAPIDS_CUDA_VERSION}")"
 
 # Download and install the libkvikio and kvikio wheels built in the previous step
 RAPIDS_PY_WHEEL_NAME="libkvikio_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 cpp ./dist
 RAPIDS_PY_WHEEL_NAME="kvikio_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 python ./dist
 
 python -m pip install -v \
-  "$(echo ./dist/libkvikio_${RAPIDS_PY_CUDA_SUFFIX}*.whl)" \
-  "$(echo ./dist/kvikio_${RAPIDS_PY_CUDA_SUFFIX}*.whl)[test]"
+  "$(echo ./dist/libkvikio_"${RAPIDS_PY_CUDA_SUFFIX}"*.whl)" \
+  "$(echo ./dist/kvikio_"${RAPIDS_PY_CUDA_SUFFIX}"*.whl)[test]"
 
 # If running CUDA 11.8 on arm64, we skip tests marked "cufile" since
 # cuFile didn't support arm until 12.4

ci/validate_wheel.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright (c) 2024, NVIDIA CORPORATION.
+# Copyright (c) 2024-2025, NVIDIA CORPORATION.
 
 set -euo pipefail
 
@@ -12,10 +12,10 @@ rapids-logger "validate packages with 'pydistcheck'"
 
 pydistcheck \
     --inspect \
-    "$(echo ${wheel_dir_relative_path}/*.whl)"
+    "$(echo "${wheel_dir_relative_path}"/*.whl)"
 
 rapids-logger "validate packages with 'twine'"
 
 twine check \
     --strict \
-    "$(echo ${wheel_dir_relative_path}/*.whl)"
+    "$(echo "${wheel_dir_relative_path}"/*.whl)"