161 lines
5.4 KiB
Bash
161 lines
5.4 KiB
Bash
# This file is not intended to be executed directly
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# Import these functions using source
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#
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# Relies on these environment variables:
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# PACKAGE_SOURCE_DIR :: Package Source Staging Directory
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# INSTALL_ROOT :: Absolute path of package installation root
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# write_debian_install_file
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# Summary: Writes the contents of the "install_placement" array to the debian/install
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# This array is populated by calls to the "add_system_file_placement" function
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# Usage: write_debian_install_file
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write_debian_install_file(){
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# Remove any existing install file, we need to overwrite it
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rm -f ${PACKAGE_SOURCE_DIR}/debian/install
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for i in "${install_placement[@]}"
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do
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echo "${i}" >> "${PACKAGE_SOURCE_DIR}/debian/install"
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done
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}
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# add_system_file_placement
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# Summary: Registers a file placement on the filesystem from the package by populating the "install_placement" array
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# Usage: add_system_file_placement {local path of file in package} {absolute path of directory to place file in}
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add_system_file_placement(){
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#Initialize placement_index variable
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if [[ -z "$placement_index" ]]; then
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placement_index=0
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fi
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install_placement[${placement_index}]="${1} ${2}"
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placement_index=$((${placement_index}+1))
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}
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# add_system_dir_placement
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# Summary: Registers a directory placement on the post-installation package from an in-package path
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add_system_dir_placement(){
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in_package_dir=$1
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abs_installation_dir=$2
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dir_files=( $(_get_files_in_dir_tree $PACKAGE_SOURCE_DIR/$in_package_dir) )
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# If in_package_dir isn't empty include a slash
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if [ ! -z "$in_package_dir" ]; then
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in_package_dir="${in_package_dir}/"
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fi
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for rel_filepath in ${dir_files[@]}
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do
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local parent_path=$(dirname $rel_filepath)
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# If there is no parent, parent_path = "."
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if [[ "$parent_path" == "." ]]; then
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add_system_file_placement "${in_package_dir}${rel_filepath}" "${abs_installation_dir}"
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else
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add_system_file_placement "${in_package_dir}${rel_filepath}" "${abs_installation_dir}/${parent_path}"
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fi
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done
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}
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# add_file_to_install
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# Summary: Adds a file from the local filesystem to the package and installs it rooted at INSTALL_ROOT
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# Usage: add_install_file {relative path to local file} {relative path to INSTALL_ROOT to place file}
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add_file_to_install(){
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copy_from_file=$1
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rel_install_path=$2
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local filename=$(basename $copy_from_file)
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local parent_dir=$(dirname $copy_from_file)
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# Create Relative Copy From Path
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rel_copy_from_file=${copy_from_file#$parent_dir/}
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# Delete any existing file and ensure path exists
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rm -f ./${PACKAGE_SOURCE_DIR}/${rel_install_path}/${filename}
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mkdir -p ./${PACKAGE_SOURCE_DIR}/${rel_install_path}
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dir_files=( "$rel_copy_from_file" )
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_copy_files_to_package $parent_dir $rel_install_path "${dir_files[@]}"
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add_system_file_placement "${rel_install_path}/${filename}" "${INSTALL_ROOT}/$rel_install_path"
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}
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# add_dir_to_install
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# Summary: Adds contents of a directory on the local filesystem to the package and installs them rooted at INSTALL_ROOT
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# Note: Does not install the directory passed, only its contents
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# Usage: add_dir_to_install {relative path of directory to copy} {relative path to INSTALL_ROOT to place directory tree}
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add_dir_to_install(){
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copy_from_dir=$1
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rel_install_path=$2
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# Delete and Create any existing directory
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mkdir -p ${PACKAGE_SOURCE_DIR}/${rel_install_path}
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dir_files=( $(_get_files_in_dir_tree $copy_from_dir) )
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_copy_files_to_package "$copy_from_dir" "$rel_install_path" "${dir_files[@]}"
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add_system_dir_placement "$rel_install_path" "${INSTALL_ROOT}/$rel_install_path"
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}
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# Usage: _copy_files_to_package {local files root directory} {relative directory in package to copy to} "${filepath_array[@]}"
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# Note: The specific syntax on the parameter shows how to pass an array
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_copy_files_to_package(){
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local_root_dir=$1
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package_dest_dir=$2
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# Consume the remaining input as an array
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shift; shift;
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rel_filepath_list=( $@ )
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for rel_filepath in ${rel_filepath_list[@]}
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do
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local parent_dir=$(dirname $rel_filepath)
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local filename=$(basename $rel_filepath)
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mkdir -p ${PACKAGE_SOURCE_DIR}/${package_dest_dir}/${parent_dir}
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# Ignore $parent_dir if it there isn't one
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if [[ "$parent_dir" == "." ]]; then
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cp "${local_root_dir}/${rel_filepath}" "${PACKAGE_SOURCE_DIR}/${package_dest_dir}"
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else
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cp "${local_root_dir}/${rel_filepath}" "${PACKAGE_SOURCE_DIR}/${package_dest_dir}/${parent_dir}"
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fi
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done
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}
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# Usage: _get_files_in_dir_tree {path of directory}
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_get_files_in_dir_tree(){
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root_dir=$1
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# Use Globstar expansion to enumerate all directories and files in the tree
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shopt -s globstar
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dir_tree_list=( "${root_dir}/"** )
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# Build a new array with only the Files contained in $dir_tree_list
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local index=0
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for file_path in "${dir_tree_list[@]}"
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do
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if [ -f $file_path ]; then
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dir_tree_file_list[${index}]=$file_path
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index=$(($index+1))
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fi
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done
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# Remove $root_dir prefix from each path in dir_tree_file_list
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# This is confusing syntax, so here's a reference link (Substring Removal)
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# http://wiki.bash-hackers.org/syntax/pe
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dir_tree_file_list=( "${dir_tree_file_list[@]#${root_dir}/}" )
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# Echo is the return mechanism
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echo "${dir_tree_file_list[@]}"
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}
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