run

#!/bin/bash

set -o nounset
set -o errexit

function pretty_echo {
    local CAPTION=$1
    local MESSAGE=$2
    local COLOR=${3-blue}
    if [ "$COLOR" == "green" ]; then
        echo -e "\033[1;37m${CAPTION}\033[0m :: \033[1;32m${MESSAGE}\033[0m"
    else
        echo -e "\033[1;37m${CAPTION}\033[0m :: \033[1;36m${MESSAGE}\033[0m"
    fi
}

if [ "${1-}" = "" ]; then
    echo "Usage:
    run TASK_RELPATH

Valid values for TASK_RELPATH are: "
    find src -type d | tail -n +2 | sed -E 's/^/ * /'
    exit 1;
fi

clear
pretty_echo "INIT" "DELETING TEST OUTPUTS" "green"
find . -iname '*.actual.out' -print -delete
echo

CJ_TIME="$(date +%y%m%d_%H%M%S)"
TASK_RELPATH=$1
TASK_BINARY="$( echo "${TASK_RELPATH}" | sed -e 's:^src/::g' | sed -Ee 's:/$::g' )"
if test -z "${GOROOT-}"; then
  GOROOT=${HOME}/bin/go
fi
GOPATH="$( pwd )"

export GOPATH
export GOROOT

pretty_echo "${TASK_RELPATH}" "go test with GOROOT=${GOROOT} GOPATH=${GOPATH}"
bash -c "GOROOT=${GOROOT} && GOPATH=${GOPATH} && cd ${TASK_RELPATH} && time ${GOROOT}/bin/go test"

pretty_echo "${TASK_RELPATH}" "go build with GOROOT=${GOROOT} GOPATH=${GOPATH}"
bash -c "GOROOT=${GOROOT} && GOPATH=${GOPATH} && time ${GOROOT}/bin/go build -o bin/${TASK_BINARY} ${TASK_RELPATH}/solution.go"

for TEST_IN in $(find "${TASK_RELPATH}" -iname '*.in' | sort -n); do
    pretty_echo "${TASK_RELPATH}" "Comparing output for ${TEST_IN}"

    # shellcheck disable=SC2001
    TEST_BASE="$(echo "$TEST_IN" | sed -e 's/\.in$//g')" ;

    time "bin/${TASK_BINARY}" \
        <"$TEST_IN" \
        >"${TEST_BASE}.${CJ_TIME}.actual.out"

    diff -y  --ignore-all-space \
        "${TEST_BASE}.out" \
        "${TEST_BASE}.${CJ_TIME}.actual.out"
done

pretty_echo "${TASK_RELPATH}" "READY FOR UPLOAD" "green"