dotnet-installer/tools/DebianPackageTool/scripts/debian_build_lib.sh

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