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#!/bin/bash
# Check that the codegen artifacts are of correct architecture and don't have
# unexpected dependencies.
# To be run from Gradle.
# Usage: check-artifact <OS> <ARCH>
# <OS> and <ARCH> are ${os.detected.name} and ${os.detected.arch} from
# osdetector-gradle-plugin
OS=$1
ARCH=$2
if [[ $# < 2 ]]; then
echo "No arguments provided. This script is intended to be run from Gradle."
exit 1
fi
# Under Cygwin, bash doesn't have these in PATH when called from Gradle which
# runs in Windows version of Java.
export PATH="/bin:/usr/bin:$PATH"
E_PARAM_ERR=98
E_ASSERT_FAILED=99
# Usage: fail ERROR_MSG
fail()
{
echo "ERROR: $1"
echo
exit $E_ASSERT_FAILED
}
# Usage: assertEq VAL1 VAL2 $LINENO
assertEq ()
{
lineno=$3
if [ -z "$lineno" ]; then
echo "lineno not given"
exit $E_PARAM_ERR
fi
if [[ "$1" != "$2" ]]; then
echo "Assertion failed: \"$1\" == \"$2\""
echo "File \"$0\", line $lineno" # Give name of file and line number.
exit $E_ASSERT_FAILED
fi
}
# Checks the artifact is for the expected architecture
# Usage: checkArch <path-to-protoc>
checkArch ()
{
echo
echo "Checking format of $1"
if [[ "$OS" == windows || "$OS" == linux ]]; then
format="$(objdump -f "$1" | grep -o "file format .*$" | grep -o "[^ ]*$")"
echo Format=$format
if [[ "$OS" == linux ]]; then
if [[ "$ARCH" == x86_32 ]]; then
assertEq $format "elf32-i386" $LINENO
elif [[ "$ARCH" == x86_64 ]]; then
assertEq $format "elf64-x86-64" $LINENO
else
fail "Unsupported arch: $ARCH"
fi
else
# $OS == windows
if [[ "$ARCH" == x86_32 ]]; then
assertEq $format "pei-i386" $LINENO
elif [[ "$ARCH" == x86_64 ]]; then
assertEq $format "pei-x86-64" $LINENO
else
fail "Unsupported arch: $ARCH"
fi
fi
elif [[ "$OS" == osx ]]; then
format="$(file -b "$1" | grep -o "[^ ]*$")"
echo Format=$format
if [[ "$ARCH" == x86_32 ]]; then
assertEq $format "i386" $LINENO
elif [[ "$ARCH" == x86_64 ]]; then
assertEq $format "x86_64" $LINENO
else
fail "Unsupported arch: $ARCH"
fi
else
fail "Unsupported system: $OS"
fi
echo
}
# Checks the dependencies of the artifact. Artifacts should only depend on
# system libraries.
# Usage: checkDependencies <path-to-protoc>
checkDependencies ()
{
echo "Checking dependencies of $1"
if [[ "$OS" == windows ]]; then
dump_cmd='objdump -x '"$1"' | fgrep "DLL Name"'
white_list="KERNEL32\.dll\|msvcrt\.dll\|USER32\.dll"
elif [[ "$OS" == linux ]]; then
dump_cmd='ldd '"$1"
if [[ "$ARCH" == x86_32 ]]; then
white_list="linux-gate\.so\.1\|libpthread\.so\.0\|libm\.so\.6\|libc\.so\.6\|ld-linux\.so\.2"
elif [[ "$ARCH" == x86_64 ]]; then
white_list="linux-vdso\.so\.1\|libpthread\.so\.0\|libm\.so\.6\|libc\.so\.6\|ld-linux-x86-64\.so\.2"
fi
elif [[ "$OS" == osx ]]; then
dump_cmd='otool -L '"$1"' | fgrep dylib'
white_list="libz\.1\.dylib\|libc++.1.dylib\|libstdc++\.6\.dylib\|libSystem\.B\.dylib"
fi
if [[ -z "$white_list" || -z "$dump_cmd" ]]; then
fail "Unsupported platform $OS-$ARCH."
fi
echo "Checking for expected dependencies ..."
eval $dump_cmd | grep -i "$white_list" || fail "doesn't show any expected dependencies"
echo "Checking for unexpected dependencies ..."
eval $dump_cmd | grep -i -v "$white_list"
ret=$?
if [[ $ret == 0 ]]; then
fail "found unexpected dependencies (listed above)."
elif [[ $ret != 1 ]]; then
fail "Error when checking dependencies."
fi # grep returns 1 when "not found", which is what we expect
echo "Dependencies look good."
echo
}
FILE="build/artifacts/java_plugin/protoc-gen-grpc-java.exe"
checkArch "$FILE" && checkDependencies "$FILE"
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