bdisk/lib/00-depcheck.func.sh

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#!/bin/bash
function so_check_me_out {
FUNCNAME="depcheck"
if [[ -n ${HOST_DIST} ]];
then
if [[ ! -f ${BASEDIR}/lib/prereqs/${HOST_DIST}/meta || ! -f ${BASEDIR}/lib/prereqs/${HOST_DIST}/pkgs ]];
then
echo "ERROR: You have specified ${HOST_DIST} as your host system's distro, but it is missing a meta and/or pkgs profile."
exit 1
fi
fi
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set +e
if [[ -z "${HOST_DIST}" ]];
then
for dist_profile in $(find "${BASEDIR}"/lib/prereqs -type f -name 'meta');
do
source ${dist_profile}
if [[ "${SUPPORTED}" != "yes" ]];
then
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continue
fi
eval "${CHECK_METHOD}" > /dev/null 2>&1
if [[ "${?}" == "0" ]];
then
export HOST_DIST="${NAME}"
echo "Detected distro as ${HOST_DIST}."
break 2
fi
done
fi
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set -e
# Sanity is important.
if [[ -z "${HOST_DIST}" ]];
then
echo "ERROR: Your distro was not found/detected, or is flagged as unsupported."
exit 1
fi
# So we've validated the distro. Here, check for packages and install if necessary. maybe use an array, but it'd be better to soft-fail if one of the packages is missing.
DISTRO_DIR="${BASEDIR}/lib/prereqs/${HOST_DIST}"
META="${DISTRO_DIR}/meta"
PKGLIST="${DISTRO_DIR}/pkgs"
# And once more, just to be safe.
source ${META}
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## TWEAKS GET RUN HERE.
distro_specific_tweaks
if [[ "${PRE_RUN}" != 'none' ]];
then
echo "Now updating your local package cache..."
set +e
eval "${PRE_RUN}" >> "${LOGFILE}.${FUNCNAME}" 2>&1
if [[ "${?}" != "0" ]];
then
echo "ERROR: Syncing your local package cache via ${PRE_RUN} command failed."
echo "Please ensure you are connected to the Internet/have repositories configured correctly."
exit 1
fi
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set -e
fi
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set +e
while read pkgname;
do
eval "${PKG_CHK}" >> "${LOGFILE}.${FUNCNAME}" 2>&1
if [[ "${?}" != "0" ]];
then
echo "Installing ${pkgname}..."
eval "${PKG_MGR}" >> "${LOGFILE}.${FUNCNAME}" 2>&1
if [[ "${?}" != "0" ]];
then
echo "ERROR: ${pkgname} was not found to be installed and we can't install it."
echo "This usually means you aren't connected to the Internet or your package repositories"
echo "are not configured correctly. Review the list of packages in ${PKGLIST} and ensure"
echo "they are all available to be installed."
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exit 1
fi
fi
done < ${PKGLIST}
set -e
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rm -f "${LOCKFILE}"
}
so_check_me_out