molecules/scripts/iso_build_locked.sh

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#!/bin/sh
if [ -z "${1}" ]; then
echo "${0} <build script name>" >&2
exit 1
fi
BUILD_SCRIPT_NAME="${1}"
SABAYON_MOLECULE_HOME="${SABAYON_MOLECULE_HOME:-/sabayon}"
. "${SABAYON_MOLECULE_HOME}/scripts/iso_build.include"
# Pull new data from Git
(
flock --timeout ${LOCK_TIMEOUT} -x 9
if [ "${?}" != "0" ]; then
echo "[git pull] cannot acquire lock, stale process holding it?" >&2
kill_stale_process || exit 1
fi
cd /sabayon && git pull --quiet
) 9> "${ISO_BUILD_LOCK}"
# Execute build
(
flock --timeout ${LOCK_TIMEOUT} -x 9
if [ "${?}" != "0" ]; then
echo "[build] cannot acquire lock, stale process holding it?" >&2
kill_stale_process || exit 1
fi
"${SABAYON_MOLECULE_HOME}/scripts/${BUILD_SCRIPT_NAME}"
) 9> "${ISO_BUILD_LOCK}"
exit ${?}