feat(setup-script): Remove unnecessary options. Add --install &

--dry-run options. Start install script when opted for.

setup.sh

@@ -0,0 +1,115 @@
+#!/bin/sh
+
+INSTALL="n"
+DRY_RUN="n"
+
+show_help() {
+    echo "Apply all settings stored in the script's directory to your home directory"
+    echo
+    echo "usage: $0 [option]"
+    echo "options:"
+    echo "  -h, --help      show this help message"
+    echo "  -d, --dry-run   Simulate dotfile linking without doing anything"
+    echo "  -i, --install   Install programs listed on package-list-os & package-list-brew files"
+}
+
+place_dotfile_at_target_location() {
+    source_file_location="$1"
+    file_target_location="$2"
+    TS="$3"
+
+    # To avoid over writing an existing dot-file, we rename them
+    # Appending the timestamp to file name
+    if [ -f "$file_target_location" ] || [ -L "$file_target_location" ]; then
+        [ "$DRY_RUN" = "y" ] && echo "mv ${file_target_location} ${file_target_location}_${TS}" && echo "Existing dotfile renamed to ${file_target_location}_${TS}"
+        [ "$DRY_RUN" = "n" ] && mv "$file_target_location" "${file_target_location}_${TS}" && echo "Existing setting renamed to ${file_target_location}_${TS}"
+    fi
+
+    target_directory=$(dirname "$file_target_location")
+    if [ ! -d "$target_directory" ]; then
+        mkdir -p "$target_directory" && echo "Directory ${target_directory} created"
+    fi
+
+    [ "$DRY_RUN" = "y" ] && echo "ln -sf ${source_file_location} ${target_directory}"
+    [ "$DRY_RUN" = "n" ] && ln -sf "$source_file_location" "$target_directory" && echo "Linked ${file_target_location}"
+}
+
+parse_input() {
+    # TODO: Accept input to execute install.sh script
+
+    while [ "${#}" -gt 0 ]; do
+        case $1 in
+        -i | --install)
+            INSTALL="y"
+            shift
+            ;;
+        -d | --dry-run)
+            DRY_RUN="y"
+            shift
+            ;;
+        -h | --help)
+            show_help
+            exit 0
+            ;;
+        *)
+            show_help
+            exit 1
+            ;;
+        esac
+    done
+}
+
+setup_symlinks() {
+    case $(uname -a) in
+    Linux*)
+        # TODO: Make it less KDE-Neon specific and more general Linux
+        OS="kde-neon"
+
+        [ "$XDG_CURRENT_DESKTOP" = "KDE" ] && OS="kde-neon"
+        ;;
+    Darwin*)
+        OS="macos"
+        ;;
+    *)
+        OS="UNSUPPORTED"
+        ;;
+    esac
+
+    TS=$(date '+%d_%m_%Y-%H_%M_%S')
+
+    # Switch inside dotfile repository directory
+    cd -P "$(dirname "$0")" || exit
+
+    # Copy all files in "Common" dotfiles to $HOME directory ("~")
+    find "./common" -type f -not -path '*.DS_Store' -not -path '*.directory' | while read -r file; do
+        file_target_location="${HOME}${file#./common}"
+        source_file_location="${PWD}${file#.}"
+        place_dotfile_at_target_location "$source_file_location" "$file_target_location" "$TS"
+    done
+
+    # Copy platform-specific files to $HOME directory ("~")
+    find "./${OS}" -type f -not -path '*.DS_Store' -not -path '*.directory' | while read -r file; do
+        file_target_location="${HOME}${file#./"${OS}"}"
+        source_file_location="${PWD}${file#.}"
+        place_dotfile_at_target_location "$source_file_location" "$file_target_location" "$TS"
+    done
+}
+
+main() {
+    parse_input "$@"
+
+    install_file_location="$(
+        cd -- "$(dirname "$0")" > /dev/null 2>&1 || exit
+        pwd -P
+    )/scripts"
+
+    setup_symlinks
+    echo "$install_file_location"
+
+    if [ "$INSTALL" = "y" ]; then
+        cd "$install_file_location" || exit
+        [ "$DRY_RUN" = "n" ] && "$install_file_location"/install.sh
+    fi
+}
+
+main "$@"