248 lines
8 KiB
Bash
Executable file
248 lines
8 KiB
Bash
Executable file
install_prelude () {
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printf " Cloning Emacs Prelude's GitHub repository...\n$RESET"
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if [ x$PRELUDE_VERBOSE != x ]
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then
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/usr/bin/env git clone $PRELUDE_URL "$PRELUDE_INSTALL_DIR"
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else
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/usr/bin/env git clone $PRELUDE_URL "$PRELUDE_INSTALL_DIR" > /dev/null
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fi
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if ! [ $? -eq 0 ]
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then
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printf "$RED A fatal error occurred during Prelude's installation. Aborting..."
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exit 1
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fi
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}
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make_prelude_dirs () {
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printf " Creating the required directories.\n$RESET"
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mkdir -p "$PRELUDE_INSTALL_DIR/savefile"
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}
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colors_ () {
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case "$SHELL" in
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*zsh)
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autoload colors && colors
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eval RESET='$reset_color'
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for COLOR in RED GREEN YELLOW BLUE MAGENTA CYAN BLACK WHITE
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do
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eval $COLOR='$fg_no_bold[${(L)COLOR}]'
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eval B$COLOR='$fg_bold[${(L)COLOR}]'
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done
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;;
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*)
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RESET='\e[0m' # Reset
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RED='\e[0;31m' # Red
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GREEN='\e[0;32m' # Green
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YELLOW='\e[0;33m' # Yellow
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BLUE='\e[0;34m' # Blue
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PURPLE='\e[0;35m' # Magenta
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CYAN='\e[0;36m' # Cyan
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WHITE='\e[0;37m' # White
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BRED='\e[1;31m' # Bold Red
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BGREEN='\e[1;32m' # Bold Green
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BYELLOW='\e[1;33m' # Bold Yellow
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BBLUE='\e[1;34m' # Bold Blue
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BPURPLE='\e[1;35m' # Bold Magenta
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BCYAN='\e[1;36m' # Bold Cyan
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BWHITE='\e[1;37m' # Bold White
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;;
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esac
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}
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# Commandline args:
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# -d/--directory [dir]
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# Install prelude into the specified directory. If 'dir' is a relative path prefix it with $HOME.
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# Defaults to '$HOME/.emacs.d'
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# -c/--colors
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# Enable colors
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# -s/--source [url]
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# Clone prelude from 'url'.
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# Defaults to 'https://github.com/bbatsov/prelude.git'
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# -i/--into
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# If one exists, install into the existing config
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# -n/--no-bytecompile
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# Skip the compilation of the prelude files.
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# -h/--help
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# Print help
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# -v/--verbose
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# Verbose output, for debugging
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usage() {
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printf "Usage: $0 [OPTION]\n"
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printf " -c, --colors \t \t \t Enable colors.\n"
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printf " -d, --directory [dir] \t Install Prelude into the specified directory.\n"
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printf " \t \t \t \t If 'dir' is a relative path prefix with $HOME.\n"
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printf " \t \t \t \t Defaults to $HOME/.emacs.d\n"
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printf " -s, --source [url] \t \t Clone Prelude from 'url'.\n"
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printf " \t \t \t \t Defaults to 'https://github.com/bbatsov/prelude.git'.\n"
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printf " -n, --no-bytecompile \t \t Skip the bytecompilation step of Prelude.\n"
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printf " -i, --into \t \t \t Install Prelude into a subdirectory in the existing configuration\n"
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printf " \t \t \t \t The default behavior is to install Prelude into the existing\n"
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printf " \t \t \t \t Emacs configuration (.emacs.d).\n"
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printf " -h, --help \t \t \t Display this help and exit\n"
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printf " -v, --verbose \t \t Display verbose information\n"
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printf "\n"
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}
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### Parse cli
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while [ $# -gt 0 ]
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do
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case $1 in
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-d | --directory)
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PRELUDE_INSTALL_DIR=$2
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shift 2
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;;
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-c | --colors)
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colors_
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shift 1
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;;
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-s | --source)
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PRELUDE_URL=$2
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shift 2
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;;
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-i | --into)
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PRELUDE_INTO='true'
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shift 1
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;;
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-n | --no-bytecompile)
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PRELUDE_SKIP_BC='true'
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shift 1
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;;
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-h | --help)
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usage
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exit 0
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;;
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-v | --verbose)
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PRELUDE_VERBOSE='true';
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shift 1
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;;
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*)
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printf "Unknown option: $1\n"
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shift 1
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;;
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esac
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done
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VERBOSE_COLOR=$BBLUE
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[ -z "$PRELUDE_URL" ] && PRELUDE_URL="https://github.com/bbatsov/prelude.git"
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[ -z "$PRELUDE_INSTALL_DIR" ] && PRELUDE_INSTALL_DIR="$HOME/.emacs.d"
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if [ x$PRELUDE_VERBOSE != x ]
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then
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printf "$VERBOSE_COLOR"
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printf "PRELUDE_VERBOSE = $PRELUDE_VERBOSE\n"
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printf "INSTALL_DIR = $PRELUDE_INSTALL_DIR\n"
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printf "SOURCE_URL = $PRELUDE_URL\n"
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printf "$RESET"
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if [ -n "$PRELUDE_SKIP_BC" ]
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then
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printf "Skipping bytecompilation.\n"
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fi
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if [ -n "$PRELUDE_INTO" ]
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then
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printf "Replacing existing config (if one exists).\n"
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fi
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printf "$RESET"
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fi
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# If prelude is already installed
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if [ -f "$PRELUDE_INSTALL_DIR/core/prelude-core.el" ]
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then
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printf "\n\n$BRED"
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printf "You already have Prelude installed.$RESET\nYou'll need to remove $PRELUDE_INSTALL_DIR/prelude if you want to install Prelude again.\n"
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printf "If you want to update your copy of Prelude, run 'git pull origin master' from your Prelude directory\n\n"
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exit 1;
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fi
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### Check dependencies
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printf "$CYAN Checking to see if git is installed... $RESET"
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if hash git 2>&-
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then
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printf "$GREEN found.$RESET\n"
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else
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printf "$RED not found. Aborting installation!$RESET\n"
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exit 1
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fi;
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printf "$CYAN Checking to see if aspell is installed... "
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if hash aspell 2>&-
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then
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printf "$GREEN found.$RESET\n"
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else
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printf "$RED not found. Install aspell to benefit from flyspell-mode!$RESET\n"
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fi
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### Check emacs version
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emacs_version="$(emacs --version 2>/dev/null | sed -n 's/.*[^0-9.]\([0-9]*\.[0-9.]*\).*/\1/p;q' | sed 's/\..*//g')"
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if [ "${emacs_version:-0}" -lt 25 ]
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then
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printf "$YELLOW WARNING:$RESET Prelude requires Emacs $RED 25$RESET or newer!\n"
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fi
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if [ -f "$HOME/.emacs" ]
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then
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## If $HOME/.emacs exists, emacs ignores prelude's init.el, so remove it
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printf " Backing up the existing $HOME/.emacs to $HOME/.emacs.pre-prelude\n"
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mv $HOME/.emacs $HOME/.emacs.pre-prelude
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fi
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if [ -d "$PRELUDE_INSTALL_DIR" ] || [ -f "$PRELUDE_INSTALL_DIR" ]
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then
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# Existing file/directory found -> backup
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printf " Backing up the existing config to $PRELUDE_INSTALL_DIR.pre-prelude.tar.\n"
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tar -cf "$PRELUDE_INSTALL_DIR.pre-prelude.tar" "$PRELUDE_INSTALL_DIR" > /dev/null 2>&1
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PRELUDE_INSTALL_DIR_ORIG="$PRELUDE_INSTALL_DIR"
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# Overwrite existing?
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[ -n "$PRELUDE_INTO" ] && PRELUDE_INSTALL_DIR="$PRELUDE_INSTALL_DIR/prelude"
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# Clear destination directory for git clone to work
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rm -fr "$PRELUDE_INSTALL_DIR"
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mkdir "$PRELUDE_INSTALL_DIR"
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# Replace existing config
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install_prelude
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make_prelude_dirs
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# Reinstate files that weren't replaced
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tar --skip-old-files -xf "$PRELUDE_INSTALL_DIR_ORIG.pre-prelude.tar" "$PRELUDE_INSTALL_DIR" > /dev/null 2>&1
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[ -n "$PRELUDE_INTO" ] && cp "$PRELUDE_INSTALL_DIR/sample/prelude-modules.el" "$PRELUDE_INSTALL_DIR/personal"
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elif [ -e "$PRELUDE_INSTALL_DIR" ]
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then
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# File exist but not a regular file or directory
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# WTF NOW?
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printf "$BRED $PRELUDE_INSTALL_DIR exist but isn't a file or directory.\n"
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printf "$BRED please remove this file or install Prelude in a different directory"
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printf "$BRED (-d flag)\n$RESET"
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exit 1
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else
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# Nothing yet so just install prelude
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install_prelude
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make_prelude_dirs
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cp "$PRELUDE_INSTALL_DIR/sample/prelude-modules.el" "$PRELUDE_INSTALL_DIR/personal"
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fi
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if [ -z "$PRELUDE_SKIP_BC" ];
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then
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if which emacs > /dev/null 2>&1
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then
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printf " Byte-compiling Prelude...\n"
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if [ x$PRELUDE_VERBOSE != x ]
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then
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emacs -batch -f batch-byte-compile "$PRELUDE_INSTALL_DIR/core"/*.el
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else
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emacs -batch -f batch-byte-compile "$PRELUDE_INSTALL_DIR/core"/*.el > /dev/null 2>&1
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fi
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else
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printf "$YELLOW Emacs not found.$RESET Skipping byte-compilation.\n"
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fi
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else
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printf "Skipping byte-compilation.\n"
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fi
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printf "\n"
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printf "$BBLUE ____ _ _ \n"
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printf "$BBLUE | _ \ _ __ ___| |_ _ __| | ___ \n"
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printf "$BBLUE | |_) | __/ _ \ | | | |/ _ |/ _ \ \n"
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printf "$BBLUE | __/| | | __/ | |_| | (_| | __/ \n"
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printf "$BBLUE |_| |_| \___|_|\__,_|\__,_|\___| \n\n"
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printf "$GREEN ... is now installed and ready to do thy bidding, Master $USER!$RESET\n"
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printf "$GREEN Don't forget to adjust the modules you want to use in $PRELUDE_INSTALL_DIR/personal/prelude-modules.el!$RESET\n"
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