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citadel/appimg-builder/appimg-modules/utility-library

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2018-03-07 23:52:40 +00:00
info "utility library loaded"
SEARCH_PATH="/tmp/appimg-build;${APPIMG_BUILDER_BASE}"
# Searches for modules and files in SEARCH_PATH directories
#
# search_item module <module name>
# search_item file <file name>
#
search_item() {
local IFS=";" subtype=${1} item=${2}
local subdir="appimg-${subtype}s"
for dir in ${SEARCH_PATH}; do
local fullpath=${dir}/${subdir}/${item}
if [[ -f ${fullpath} ]]; then
printf ${fullpath}
return
fi
done
fatal "Could not find ${subtype} named '${item}'. Bailing.."
}
#
# Execute a module by name. If a function exists with the
# requested module name it will be executed, otherwise scripts
# with this name are searched for in SEARCH_PATH /appimg-modules
# subdirectories.
#
module() {
if [[ $(type -t ${1}) == "function" ]]; then
local fname=${1}
${fname}
else
local modpath=$(search_item module ${1})
source ${modpath}
fi
}
#
# See README for more information about this function
#
install_file() {
local mode=${1}
if [[ $# -eq 3 ]]; then
# Type (1)
# strip trailing / from ${3} if present
local target=${3%/}/${2}
elif [[ $# -eq 2 ]]; then
# Type (2)
# accept either /usr/bin/foo or usr/bin/foo
# add leading slash if necessary to construct absolute path
local target="/${2#/}"
else
fatal "Bad number of arguments $# to install_file()"
fi
# strip leading slash from ${2} if present
local srcpath=$(search_item file ${2#/})
local dstdir=$(dirname ${target})
/usr/bin/install -d ${dstdir}
/usr/bin/install -m ${mode} ${srcpath} ${target}
}