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#!/bin/sh
## live-build(7) - System Build Scripts
## Copyright (C) 2016-2020 The Debian Live team
## Copyright (C) 2006-2015 Daniel Baumann <mail@daniel-baumann.ch>
##
## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
## This is free software, and you are welcome to redistribute it
## under certain conditions; see COPYING for details.
Stagefiles_dir ()
{
echo ".build"
}
# Get the default filename for a script's stagefile (the name of the script
# file itself). A suffix can be appended via providing as a param.
Stagefile_name ()
{
local SUFFIX="${1}"
local FILENAME
FILENAME="$(basename $0)"
echo ${FILENAME}${SUFFIX:+.$SUFFIX}
}
Stagefile_exists ()
{
if [ -f ".build/${1:-$(Stagefile_name)}" ]; then
return 0
fi
return 1
}
Check_stagefile ()
{
local FILE
local NAME
FILE=".build/${1:-$(Stagefile_name)}"
NAME="$(basename ${FILE})"
# Checking stage file
if [ -f "${FILE}" ]; then
if [ "${_FORCE}" != "true" ]; then
# Skip execution
Echo_warning "Skipping %s, already done" "${NAME}"
exit 0
else
# Force execution
Echo_message "Forcing %s" "${NAME}"
rm -f "${FILE}"
fi
fi
}
# Used by chroot preparation scripts in removal mode
Ensure_stagefile_exists ()
{
local FILE
local NAME
FILE=".build/${1:-$(Stagefile_name)}"
NAME="$(basename ${FILE})"
# Checking stage file
if [ ! -f "${FILE}" ]; then
if [ "${_FORCE}" != "true" ]; then
# Skip execution
Echo_warning "Skipping removal of %s, it is not applied" "${NAME}"
exit 0
else
# Force execution
Echo_message "Forcing %s" "${NAME}"
fi
fi
}
Create_stagefile ()
{
local FILE
local DIRECTORY
FILE=".build/${1:-$(Stagefile_name)}"
DIRECTORY="$(dirname ${FILE})"
# Creating stage directory
mkdir -p "${DIRECTORY}"
# Creating stage file
touch "${FILE}"
}
Remove_stagefile ()
{
local FILE
FILE=".build/${1:-$(Stagefile_name)}"
rm -f "${FILE}"
}
# Ensure that all specified stagefiles exist (and thus that all associated stages are complete)
Require_stagefiles ()
{
if [ $# -eq 0 ]; then
Echo_warning "Bad 'Require_stagefiles' usage, no params were supplied"
return 0
fi
local FILE
local MISSING=""
local MISSING_COUNT=0
for FILE in "${@}"; do
if [ ! -f ".build/${FILE}" ]; then
MISSING_COUNT=$(( $MISSING_COUNT + 1 ))
MISSING="${MISSING:+$MISSING }${FILE}"
fi
done
if [ $MISSING_COUNT -eq 0 ]; then
return 0
elif [ $MISSING_COUNT -eq 1 ]; then
Echo_error "the following stage is required to be done first: %s" "${MISSING}"
else
Echo_error "the following stages are required to be completed first: %s" "${MISSING}"
fi
exit 1
}
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