fix problem with multiple args

lxc/executors/bash

@@ -1,2 +1,2 @@
 cd /tmp/$2
-runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs timeout -s KILL 3 bash code.code"
+runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 bash code.code"

lxc/executors/c

@@ -1,3 +1,3 @@
 cd /tmp/$2
 timeout -s KILL 10 gcc -o binary -x c code.code
-runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs timeout -s KILL 3 ./binary"
+runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 ./binary"

lxc/executors/cpp

@@ -1,3 +1,3 @@
 cd /tmp/$2
 timeout -s KILL 10 g++ -o binary -x c++ code.code
-runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs timeout -s KILL 3 ./binary"
+runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 ./binary"

lxc/executors/csharp

@@ -1,3 +1,3 @@
 cd /tmp/$2
 timeout -s KILL 10 mcs $(echo code.code | sed 's/\///') -nowarn:0219 -out:binary
-runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs timeout -s KILL 3 mono binary"
+runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 mono binary"

lxc/executors/go

@@ -3,4 +3,4 @@ cp code.code interim.go
 file="interim.go"
 GOROOT=/usr/lib/go timeout -s KILL 10 go build $file
 file=${file%%.*}
-runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs timeout -s KILL 3 ./$file"
+runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 ./$file"

lxc/executors/java

@@ -3,4 +3,4 @@ cp code.code interim.java
 name=$(cat interim.java | grep -Eo 'public\s+class\s+([A-Za-z0-9]+)' | sed -n 's/  */ /gp' | cut -d' ' -f3)
 mv interim.java $name.java
 timeout -s KILL 10 javac $name.java
-runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs timeout -s KILL 3 java $name"
+runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 java $name"

lxc/executors/nasm

@@ -1,4 +1,4 @@
 cd /tmp/$2
 timeout -s KILL 10 nasm -f elf64 -o binary.o code.code
 timeout -s KILL 10 ld binary.o -o binary
-runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs timeout -s KILL 3 ./binary"
+runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 ./binary"

lxc/executors/node

@@ -1,2 +1,2 @@
 cd /tmp/$2
-runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs timeout -s KILL 3 nodejs code.code"
+runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 nodejs code.code"

lxc/executors/php

@@ -1,2 +1,2 @@
 cd /tmp/$2
-runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs timeout -s KILL 3 php code.code"
+runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 php code.code"

lxc/executors/python2

@@ -1,2 +1,2 @@
 cd /tmp/$2
-runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs timeout -s KILL 3 python2 code.code"
+runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 python2 code.code"

lxc/executors/python3

@@ -1,2 +1,2 @@
 cd /tmp/$2
-runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs timeout -s KILL 3 python3.6 code.code"
+runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 python3.6 code.code"

lxc/executors/r

@@ -1,2 +1,2 @@
 cd /tmp/$2
-runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs timeout -s KILL 3 Rscript code.code"
+runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 Rscript code.code"

lxc/executors/ruby

@@ -1,2 +1,2 @@
 cd /tmp/$2
-runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs timeout -s KILL 3 ruby code.code"
+runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 ruby code.code"

lxc/executors/rust

@@ -1,3 +1,3 @@
 cd /tmp/$2
 timeout -s KILL 10 rustc -o binary code.code
-runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs timeout -s KILL 3 ./binary"
+runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 ./binary"

lxc/executors/swift

@@ -1,2 +1,2 @@
 cd /tmp/$2
-runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs timeout -s KILL 3 swift code.code"
+runuser -l runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 swift code.code"

readme.md

@@ -30,6 +30,7 @@ lxc-create -t download -n piston -- --dist ubuntu --release bionic --arch amd64
 ./shell
 
 # install all necessary piston dependencies
+export HOME=/opt
 echo 'export PATH=/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin' >> /root/.bashrc
 echo 'export PATH=$PATH:/root/.cargo/bin' >> /root/.bashrc
 sed -i \
@@ -40,14 +41,13 @@ apt-get -y install git tzdata nano \
     dpkg-dev build-essential python python3 \
     ruby nodejs golang php7.2 r-base mono-complete \
     nasm openjdk-8-jdk ubuntu-make bf
-mkdir -p /root/.local/share/umake/swift/swift-lang
 umake swift
-ln -s /root/.local/share/umake/swift/swift-lang/usr/bin/swift /usr/bin/swift
+ln -s /opt/.local/share/umake/swift/swift-lang/usr/bin/swift /usr/bin/swift
-curl https://sh.rustup.rs -sSf | sh
+curl https://sh.rustup.rs > rust.sh
-ln -s /root/.cargo/bin/rustc /usr/bin/rustc
+sh rust.sh -y
+ln -s /opt/.cargo/bin/rustc /usr/bin/rustc
 rm -rf /home/ubuntu
 chmod 777 /tmp
-chmod 777 -R /root
 
 # create runnable users and apply limits
 for i in {1..150}; do