nixpkgs/pkgs/development/tools/build-managers/bazel/shebang-test.nix
Andreas Herrmann 1987d86007 bazel: shebang-test: Test for all bin/env ...
Fail on any form of `bin/env ...` shebang.
2019-10-11 21:44:28 +02:00

50 lines
1.4 KiB
Nix

{
bazel
, bazelTest
, distDir
, extracted
, runLocal
, unzip
}:
# Tests that all shebangs are patched appropriately.
# #!/usr/bin/... should be replaced by Nix store references.
# #!.../bin/env python should be replaced by Nix store reference to the python interpreter.
let
workspaceDir = runLocal "our_workspace" {} "mkdir $out";
testBazel = bazelTest {
name = "bazel-test-shebangs";
inherit workspaceDir;
bazelPkg = bazel;
bazelScript = ''
set -ueo pipefail
FAIL=
check_shebangs() {
local dir="$1"
{ grep -Re '#!/usr/bin' $dir && FAIL=1; } || true
{ grep -Re '#![^[:space:]]*/bin/env' $dir && FAIL=1; } || true
}
BAZEL_EXTRACTED=${extracted bazel}/install
check_shebangs $BAZEL_EXTRACTED
while IFS= read -r -d "" zip; do
unzipped="./$zip/UNPACKED"
mkdir -p "$unzipped"
unzip -qq $zip -d "$unzipped"
check_shebangs "$unzipped"
rm -rf unzipped
done < <(find $BAZEL_EXTRACTED -type f -name '*.zip' -or -name '*.jar' -print0)
if [[ $FAIL = 1 ]]; then
echo "Found files in the bazel distribution with illegal shebangs." >&2
echo "Replace those by explicit Nix store paths." >&2
echo "Python scripts should not use \`bin/env python' but the Python interpreter's store path." >&2
exit 1
fi
'';
buildInputs = [ unzip ];
};
in testBazel