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{ lib, stdenv, runCommand }:
let
tests = {
bad-shebang = stdenv.mkDerivation {
name = "bad-shebang";
dontUnpack = true;
installPhase = ''
mkdir -p $out/bin
echo "#!/bin/sh" > $out/bin/test
echo "echo -n hello" >> $out/bin/test
chmod +x $out/bin/test
'';
passthru = {
assertion = "grep -v '^#!/bin/sh' $out/bin/test > /dev/null";
};
};
ignores-nix-store = stdenv.mkDerivation {
name = "ignores-nix-store";
dontUnpack = true;
installPhase = ''
mkdir -p $out/bin
echo "#!$NIX_STORE/path/to/sh" > $out/bin/test
echo "echo -n hello" >> $out/bin/test
chmod +x $out/bin/test
'';
passthru = {
assertion = "grep \"^#!$NIX_STORE/path/to/sh\" $out/bin/test > /dev/null";
};
};
};
in runCommand "patch-shebangs-test" {
passthru = { inherit (tests) bad-shebang ignores-nix-store; };
meta.platforms = lib.platforms.all;
} ''
validate() {
local name=$1
local testout=$2
local assertion=$3
echo -n "... $name: " >&2
local rc=0
(out=$testout eval "$assertion") || rc=1
if [ "$rc" -eq 0 ]; then
echo "yes" >&2
else
echo "no" >&2
fi
return "$rc"
}
echo "checking whether patchShebangs works properly... ">&2
fail=
${lib.concatStringsSep "\n" (lib.mapAttrsToList (_: test: ''
validate "${test.name}" "${test}" ${lib.escapeShellArg test.assertion} || fail=1
'') tests)}
if [ "$fail" ]; then
echo "failed"
exit 1
else
echo "succeeded"
touch $out
fi
''
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