238 lines
7.8 KiB
Bash
Executable File
238 lines
7.8 KiB
Bash
Executable File
#!/bin/bash
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# Simple Note System - Install Script
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# Copyright (C) 2016, Jon Lewis
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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# Color codes for messages
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readonly RED_COLOR='\033[1;31m'
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readonly YELLOW_COLOR='\033[1;33m'
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readonly BLUE_COLOR='\033[1;34m'
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readonly RESET_COLOR='\033[0m'
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# Set variables for header
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PROD_STR="Simple Note System"
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PROD_SUB="Install Script"
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# Set default build directory if none specified
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if [ ! -d "$BUILD_ROOT" ]; then BUILD_ROOT="build"; fi
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# Set default install prefix according to platform
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if [ -z "$INSTALL_DIR" ]; then
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case "$(uname)" in
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"Darwin" )
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INSTALL_ROOT=/usr/local/opt
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;;
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*)
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INSTALL_ROOT=/opt
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;;
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esac
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INSTALL_DIR="$INSTALL_ROOT/sns"
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fi
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function sns_out {
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# Compile SNS from source files and print the resulting script to stdout
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cat ./src/includes/header.sh
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printf "%s\n" "# Section: Functions"
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cat ./src/includes/init_store.sns.sh
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cat ./src/includes/verify_store.sns.sh
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cat ./src/includes/help.sns.sh
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cat ./src/includes/p_header.sh
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cat ./src/includes/libencryption.sns.sh
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cat ./src/includes/create.sns.sh
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cat ./src/includes/delete.sns.sh
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cat ./src/includes/edit.sns.sh
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cat ./src/includes/print.sns.sh
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cat ./src/includes/list.sns.sh
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printf "%s\n" "# End Section: Functions"
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cat ./src/main/stage1.sns.sh
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cat ./src/main/stage2.sns.sh
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cat ./src/main/stage3.sns.sh
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}
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function clean {
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if [ -d "$BUILD_ROOT" ]; then rm -rf "$BUILD_ROOT"; fi
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}
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function build_sns {
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clean
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if [ ! -d ."$BUILD_ROOT" ]; then mkdir $BUILD_ROOT; fi
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sns_out > "$BUILD_ROOT/sns"
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cp -f src/bash-completion/sns ./build/bash-completion
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}
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function check_install_dir_perms {
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STATS=( $(stat -c "%a %u %g" "$INSTALL_ROOT"))
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O=$(echo "${STATS[1]}" | cut -c 1)
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G=$(echo "${STATS[1]}" | cut -c 2)
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E=$(echo "${STATS[1]}" | cut -c 3)
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USER=$(id -u)
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GROUP=$(id -g)
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if [ "${STATS[2]}" == "$USER" ] && [ "$O" == "7" ]; then WRITE="1";
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elif [ "${STATS[3]}" == "$GROUP" ] && [ "$G" == "7" ]; then WRITE="1";
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elif [ "$E" == "7" ]; then WRITE="1";
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else WRITE="0";
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fi
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if [ "$(id -u)" == "0" ]; then WRITE=1; fi
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}
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function install_sns {
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# Make sure we can write to "$INSTALL_DIR"
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check_install_dir_perms
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if [ "$WRITE" == "0" ]; then
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printf "$RED_COLOR!$RESET_COLOR - %s %s\n"\
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"Superuser permissions required to install to" "$INSTALL_DIR."
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printf "$YELLOW_COLOR!$RESET_COLOR - %s\n"\
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"Will use sudo as necessary."
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USE_SUDO="sudo"
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else
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USE_SUDO=""
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fi
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# Prepare target environment
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"$USE_SUDO" mkdir -p "$INSTALL_DIR"
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"$USE_SUDO" mkdir -p "$INSTALL_DIR/bin"
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"$USE_SUDO" mkdir -p "$INSTALL_DIR/etc/bash-completion.d"
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# Install files from "$BUILD_ROOT" to "$INSTALL_DIR"
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"$USE_SUDO" install -m 0755 "$BUILD_ROOT/sns" "$INSTALL_DIR/bin/sns"
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"$USE_SUDO" install -m 0644 "$BUILD_ROOT/bash-completion" "$INSTALL_DIR/etc/bash-completion.d/sns"
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}
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function verify {
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if [ ! -r "$INSTALL_DIR/bin/sns" ]; then
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printf "$RED_COLOR!$RESET_COLOR - %s\n"\
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"could not write to $INSTALL_DIR/bin/sns"
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exit 15
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else
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printf "$YELLOW_COLOR*$RESET_COLOR - %s $BLUE_COLOR%s$RESET_COLOR\n"\
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"Simple Note System was installed to" "$INSTALL_DIR/bin/sns."
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SNS_INSTALLED=1
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fi
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if [ ! -r "$INSTALL_DIR/etc/bash-completion.d/sns" ]; then
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printf "$RED_COLOR!$RESET_COLOR - %s\n"\
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"could not write to $INSTALL_DIR/etc/bash-completion.d/sns"
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exit 15
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else
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printf "$YELLOW_COLOR*$RESET_COLOR - %s $BLUE_COLOR%s$RESET_COLOR\n"\
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"Bash completion was installed to" "$INSTALL_DIR/etc/bash-completion.d/sns."
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fi
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DEFAULT_SNS="$(which sns 2>/dev/null)"
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if [ -n "$DEFAULT_SNS" ] && [ "$DEFAULT_SNS" != "$INSTALL_DIR/bin/sns" ]; then
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printf "$RED_COLOR!$RESET_COLOR - %s %s %s\n"\
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"Another installation of sns"\
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"($DEFAULT_SNS)"\
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"was detected."
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fi
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if [ -z "$DEFAULT_SNS" ]; then
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printf "\n$YELLOW_COLOR*$RESET_COLOR - %s\n\t$YELLOW_COLOR%s\n$RESET_COLOR %s\n\n"\
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"sns was not found in PATH. Please add"\
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"export PATH=$INSTALL_DIR/bin:\$PATH"\
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" to your ~/.bashrc or ~/.bash_profile"
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fi
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if grep "source $INSTALL_DIR/etc/bash-completion.d/sns" < "$BASH_SETTINGS" > /dev/null; then
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SNS_BASH_COMPLETION=1;
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else
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SNS_BASH_COMPLETION=0;
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fi
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if [ "$SNS_BASH_COMPLETION" != "1" ]; then
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printf "\n$YELLOW_COLOR*$RESET_COLOR - %s\n\t$YELLOW_COLOR%s\n$RESET_COLOR %s\n\n"\
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"To enable bash completion, add"\
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"source $INSTALL_DIR/etc/bash-completion.d/sns"\
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" to your ~/.bashrc or ~/.bash_profile"
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else
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printf "$YELLOW_COLOR*$RESET_COLOR - %s\n"\
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"Bash completion already enabled."
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fi
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if [ "$SNS_INSTALLED" == "1" ]; then
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printf "$YELLOW_COLOR*$RESET_COLOR - %s $BLUE_COLOR%s$RESET_COLOR %s\n"\
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"Installation succeeded. You should run" "sns -i" "now."
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fi
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}
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function print_help {
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printf " %s" "usage: ./install [bchiu]"
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printf "\n%s" " -b | --build-only : build, but do not install sns"
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printf "\n%s" " -c | --clean : clean build directory"
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printf "\n%s" " -h | --help : Print this information"
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printf "\n%s" " -i | --install : build and install sns"
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printf "\n%s" " -u | --uninstall : remove sns from the system (will not remove notes)"
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printf "\n\n%s" "Run Variables:"
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printf "\n %s %s" "BUILD_DIR= " "Directory to build SNS in"
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printf "\n %s %s" "INSTALL_DIR=" "Directory to install SNS to"
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printf "\n\n"
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}
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# Sanity check
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if [ -z "$INSTALL_DIR" ]; then
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printf "$RED_COLOR!$RESET_COLOR - %s\n"\
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"Failed to guess optimal install directory please specify with INSTALL_DIR=\n"
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exit 10
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fi
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if [ -r "$HOME"/.bashrc ]; then
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BASH_SETTINGS="$HOME/.bashrc"
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elif [ -r "$HOME"/.bash_profile ]; then
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BASH_SETTINGS="$HOME/.bash_profile"
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else
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printf "$RED_COLOR!$RESET_COLOR - %s\n"\
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"Failed to determine bash settings file (e.g. ~/.bashrc)"
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exit 13
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fi
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# Print header
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printf "\n %s\n" "$PROD_STR"
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printf " %s\n" "$PROD_SUB"
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printf "%s\n\n" "--------------------"
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# Argument Parsing
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for ARG in "$@"; do
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case "$ARG" in
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-b|--build-only)
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build_sns
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printf "\n"
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exit
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;;
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-c|--clean)
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clean
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exit
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;;
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-u|--uninstall)
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check_install_dir_perms
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if [ "$WRITE" == "1" ]; then
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rm -rf "$INSTALL_DIR"
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else
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sudo rm -rf "$INSTALL_DIR"
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fi
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exit
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;;
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-i|--install)
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build_sns
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install_sns
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verify
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printf "\n"
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exit
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;;
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-h|--help)
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print_help
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exit
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;;
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esac
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done
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print_help
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exit
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