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#
# scanner-meta package
#
# This is meta package to install "scanner" ("scanner-common-binary") and
# "scanner-script" ("scanner-vendor-script") packages.
#
# NOTE: This file must be "sourced" (not executed).
#
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
human_readable_name() {
echo "scanner meta package"
}
package_name() {
echo "scanner"
}
package_suffix(){
echo "-meta"
}
dependencies() {
echo "scanner-script scanner"
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
_compose_meta_version() {
local BINARY_VERSION="$1"
local SCRIPT_VERSION="$2"
echo "binary-${BINARY_VERSION}-script-${SCRIPT_VERSION}"
}
#
# Note: "INSTALL_BASE_DIR" and "VENDOR_LC" are initialized in
# "environment_init()" at the very beginning.
#
package_on_load() {
PACKAGE_NAME=$(package_name)
PACKAGE_SUFFIX=$(package_suffix)
# _version_file( PACKAGE_NAME, PACKAGE_SUFFIX ) // ${INSTALL_BASE_DIR}, ${VENDOR_LC}
local BINARY_VERSION_FILE=$(_version_file "${PACKAGE_NAME}" "")
BINARY_VERSION=$(_load_version_from_file "${BINARY_VERSION_FILE}")
local SCRIPT_VERSION_FILE="$(_version_file "${PACKAGE_NAME}" "-script")"
SCRIPT_VERSION=$(_load_version_from_file "${SCRIPT_VERSION_FILE}")
META_VERSION=$(_compose_meta_version "${BINARY_VERSION}" "${SCRIPT_VERSION}")
log_variable META_VERSION
# _dist_version_file( PACKAGE_NAME, PACKAGE_SUFFIX ) // ${DIST_DIR}
local DIST_BINARY_VERSION_FILE="$(_dist_version_file "${PACKAGE_NAME}" "")"
DIST_BINARY_VERSION=$(_load_version_from_file "${DIST_BINARY_VERSION_FILE}")
local DIST_SCRIPT_VERSION_FILE="$(_dist_version_file "${PACKAGE_NAME}" "-script")"
DIST_SCRIPT_VERSION=$(_load_version_from_file "${DIST_SCRIPT_VERSION_FILE}")
DIST_META_VERSION=$(_compose_meta_version "${DIST_BINARY_VERSION}" "${DIST_SCRIPT_VERSION}")
log_variable DIST_META_VERSION
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
#
# depends on "package_on_load()"
#
install_dir() {
if [ -z "${INSTALL_BASE_DIR}" ] ; then _abort_execution "'INSTALL_BASE_DIR' is undefined" ; fi
if [ -z "${VENDOR_LC}" ] ; then _abort_execution "'VENDOR_LC' is undefined" ; fi
if [ -z "${PACKAGE_NAME}" ] ; then _abort_execution "'PACKAGE_NAME' is undefined" ; fi
if [ -z "${PACKAGE_SUFFIX}" ] ; then _abort_execution "'PACKAGE_SUFFIX' is undefined" ; fi
echo "${INSTALL_BASE_DIR}/${VENDOR_LC}/${PACKAGE_NAME}${PACKAGE_SUFFIX}"
}
#
# depends on "package_on_load()"
#
version() {
if [ -z "${META_VERSION}" ] ; then _abort_execution "'META_VERSION' is undefined" ; fi
echo "${META_VERSION}"
}
#
# depends on "package_on_load()"
#
dist_version() {
if [ -z "${DIST_META_VERSION}" ] ; then _abort_execution "'DIST_META_VERSION' is undefined" ; fi
echo "${DIST_META_VERSION}"
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# @return :
# true - if new version is greater than the old one or FORCE_INSTALL=1
# false - if new version is less than or equal to the old one
isInstallNecessary() {
log_message ""
if [ -n "${FORCE_INSTALL}" ] ; then
echo "true"
return
fi
# Put '1' digit at the beginning to avoid implicit
# octal interpretation of numbers starting with 0
local BINARY_VERSION_DIGITS=1$(echo "${BINARY_VERSION}" | tr -d -c 0-9)
log_variable BINARY_VERSION_DIGITS
local DIST_BINARY_VERSION_DIGITS=1$(echo "${DIST_BINARY_VERSION}" | tr -d -c 0-9)
log_variable DIST_BINARY_VERSION_DIGITS
local SCRIPT_VERSION_DIGITS=1$(echo "${SCRIPT_VERSION}" | tr -d -c 0-9)
log_variable SCRIPT_VERSION_DIGITS
local DIST_SCRIPT_VERSION_DIGITS=1$(echo "${DIST_SCRIPT_VERSION}" | tr -d -c 0-9)
log_variable DIST_SCRIPT_VERSION_DIGITS
# If current version < dist version, do install
if [ -n "${FORCE_SCANNER_BINARY}" ] ; then
echo "true"
return
fi
if [ ${BINARY_VERSION_DIGITS} -lt ${DIST_BINARY_VERSION_DIGITS} ] ; then
echo "true"
return
fi
if [ -n "${FORCE_SCANNER_SCRIPT}" ] ; then
echo "true"
return
fi
if [ ${SCRIPT_VERSION_DIGITS} -lt ${DIST_SCRIPT_VERSION_DIGITS} ] ; then
echo "true"
return
fi
echo "false"
}
report_no_install_reason() {
if [ "${BINARY_VERSION}${SCRIPT_VERSION}" = "${DIST_BINARY_VERSION}${DIST_SCRIPT_VERSION}" ] ; then
show_nls_message "**** The same version of Scan driver is already installed."
else
show_nls_message "**** Newer version of Scan driver is already installed."
fi
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
after_install() {
log_message ""
show_nls_message "**** Scan driver has been installed successfully."
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
register_dependency() {
log_message "avoiding dependency registration"
}
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