tasks/tasktool/tasktool/hooks/exec-try-build

#!/bin/bash
set -eu

USERDIR="$1"
BUILDSCRIPT="$2"
BUILDNAME="$3"

# Import config if present.
[ -e "${USERDIR}/config" ] && . "${USERDIR}/config"

# Create workspace directory.
if [ -z ${TRYDIR+x} ]; then
    TRYDIR="$TMPDIR"
    if [ -z ${TRYDIR+x} ]; then
        TRYDIR="/tmp"
    fi
fi

export WORKSPACE="${TRYDIR}/${BUILDNAME}"
mkdir "${TRYDIR}/${BUILDNAME}"
echo "Workspace: ${WORKSPACE}"

# Work with a minimum PATH
export PATH="/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin"

# Clear environment from some typical user-specific settings.
# TODO: Should we rather start with a blank environment?
unset CPATH
unset LIBRARY_PATH
unset MANPATH
unset PKG_CONFIG_PATH

LOGFILE="${WORKSPACE}/log.txt"
SANDBOXPROFILE="$(pwd)/try.sb"
cd "${WORKSPACE}"
: ${HOME:=/tmp}

if [ -z "${TASK_TRY_NO_SANDBOX:-}" ]; then
    /bin/sh "${BUILDSCRIPT}" 2>&1 | tee "$LOGFILE"
else
    # Note that sandboxes don't work recursively, so we set TASK_TRY_NO_SANDBOX
    # for the child.
    TASK_TRY_NO_SANDBOX=1 sandbox-exec -f "${SANDBOXPROFILE}" -D WORKSPACE="$WORKSPACE" -D HOME="$HOME" /bin/sh "${BUILDSCRIPT}" 2>&1 | tee "$LOGFILE"
fi

# Gather results
if [ -d "${WORKSPACE}/result" ]; then
    mkdir -p "${USERDIR}/results"
    RESULTFILE="${USERDIR}/results/${BUILDNAME}.tar.xz"
    cd "${WORKSPACE}/result"
    shopt -s dotglob nullglob
    tar -c --xz -f "${RESULTFILE}" *
    echo 1>&2 "Results written to ${RESULTFILE}"
fi