pyrois/rex.project/x86_64/components/stage5/squashfs-tools.bash

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#!/bin/bash
# desc:
# stages, builds, installs
# make variables persist in subprocesses for logging function
set -a
# ----------------------------------------------------------------------
# Configuration:
# ----------------------------------------------------------------------
# the name of this application
APPNAME="squashfs"
# the version of this application
VERSION="4.6.1"
# ----------------------------------------------------------------------
# Variables and functions sourced from Environment:
# ----------------------------------------------------------------------
# assert_zero()
# Checks if $1 is 0. If non-0 value, halts the execution of the script.
#
# LOGS_ROOT
# The parent directory where logs from this project will go.
#
# TEMP_STAGE_DIR
# The parent directory of where source archives are extracted to.
# register mode selections
ARGUMENT_LIST=(
"stage"
"build"
"install"
"all"
"help"
)
# modes to associate with switches
# assumes you want nothing done unless you ask for it.
MODE_STAGE=false
MODE_BUILD=false
MODE_INSTALL=false
MODE_ALL=false
MODE_HELP=false
# the file to log to
LOGFILE="${APPNAME}.log"
# ISO 8601 variation
TIMESTAMP="$(date +%Y-%m-%d_%H:%M:%S)"
# the path where logs are written to
# note: LOGS_ROOT is sourced from environment
LOG_DIR="${LOGS_ROOT}/${APPNAME}-${TIMESTAMP}"
mkdir -p ${TEMP_STAGE_DIR}
# the path where the source will be located when complete
# note: TEMP_STAGE_DIR is sourced from environment
T_SOURCE_DIR="${TEMP_STAGE_DIR}/${APPNAME}"
# read defined arguments
opts=$(getopt \
--longoptions "$(printf "%s," "${ARGUMENT_LIST[@]}")" \
--name "$APPNAME" \
--options "" \
-- "$@"
)
# process supplied arguments into flags that enable execution modes
eval set --$opts
while [[ $# -gt 0 ]]; do
case "$1" in
--stage)
MODE_STAGE=true
shift 1
;;
--build)
MODE_BUILD=true
shift 1
;;
--install)
MODE_INSTALL=true
shift 1
;;
--all)
MODE_ALL=true
shift 1
;;
--help)
MODE_HELP=true
shift 1
;;
*)
break
;;
esac
done
# print to stdout, print to log
logprint() {
mkdir -p "${LOG_DIR}"
echo "[$(date +%Y-%m-%d_%H:%M:%S)] [${APPNAME}] $1" \
| tee -a "${LOG_DIR}/${LOGFILE}"
}
# Tell the user we're alive...
logprint "Initializing the ${APPNAME} utility..."
# when the stage mode is enabled, this will execute
mode_stage() {
logprint "Starting stage of ${APPNAME}..."
logprint "Removing any pre-existing staging for ${APPNAME}."
rm -Rf "${T_SOURCE_DIR}"*
logprint "Extracting ${APPNAME}-${VERSION} source archive to ${TEMP_STAGE_DIR}"
echo "${SOURCES_DIR}/${APPNAME}${VERSION}.tar."* -C "${TEMP_STAGE_DIR}"
tar xf "${SOURCES_DIR}/${APPNAME}${VERSION}.tar."* -C "${TEMP_STAGE_DIR}"
assert_zero $?
# conditionally rename if it needs it
stat "${T_SOURCE_DIR}"* && mv "${T_SOURCE_DIR}"* "${T_SOURCE_DIR}"
logprint "Staging operation complete."
}
# when the build_pass1 mode is enabled, this will execute
mode_build() {
# patch, configure and build
logprint "Starting build of ${APPNAME}..."
logprint "Entering build dir."
pushd "${T_SOURCE_DIR}"
assert_zero $?
pushd squashfs-tools
assert_zero $?
logprint "Compiling..."
make
assert_zero $?
logprint "Build operation complete."
}
mode_install() {
logprint "Starting install of ${APPNAME}..."
pushd "${T_SOURCE_DIR}"
assert_zero $?
pushd squashfs-tools
assert_zero $?
# fixing nonsense
#sed -i 's/ECHO=$(which echo)/ECHO="echo"/' ../generate-manpages/functions.sh
#assert_zero $?
#sed -i '4,8s/^/#/' ../generate-manpages/functions.sh
#assert_zero $?
sed -i 's|INSTALL_DIR = $(INSTALL_PREFIX)/bin|INSTALL_DIR = /usr/sbin|' Makefile
assert_zero $?
logprint "Installing..."
make install
assert_zero $?
logprint "Install operation complete."
}
mode_help() {
echo "${APPNAME} [ --stage ] [ --build_temp ] [ --install_temp ] [ --all_temp ] [ --help ]"
exit 1
}
if [ "$MODE_ALL" = "true" ]; then
MODE_STAGE=true
MODE_BUILD=true
MODE_INSTALL=true
fi
# if no options were selected, then show help and exit
if \
[ "$MODE_HELP" != "true" ] && \
[ "$MODE_STAGE" != "true" ] && \
[ "$MODE_BUILD" != "true" ] && \
[ "$MODE_INSTALL" != "true" ]
then
logprint "No option selected during execution."
mode_help
fi
# if help was supplied at all, show help and exit
if [ "$MODE_HELP" = "true" ]; then
logprint "Help option selected. Printing options and exiting."
mode_help
fi
if [ "$MODE_STAGE" = "true" ]; then
logprint "Staging option selected."
mode_stage
assert_zero $?
fi
if [ "$MODE_BUILD" = "true" ]; then
logprint "Build of ${APPNAME} selected."
mode_build
assert_zero $?
fi
if [ "$MODE_INSTALL" = "true" ]; then
logprint "Install of ${APPNAME} selected."
mode_install
assert_zero $?
fi
logprint "Execution of ${APPNAME} completed."