|
|
#!/bin/bash
|
|
|
|
|
|
# Global bash customization settings
|
|
|
# Copyright (C) 2018 Pekka Helenius
|
|
|
#
|
|
|
# This program is free software: you can redistribute it and/or modify
|
|
|
# it under the terms of the GNU General Public License as published by
|
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
|
# (at your option) any later version.
|
|
|
#
|
|
|
# This program is distributed in the hope that it will be useful,
|
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
# GNU General Public License for more details.
|
|
|
#
|
|
|
# You should have received a copy of the GNU General Public License
|
|
|
# along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
|
|
##############################################################################
|
|
|
# In order to use this file, replace the following line in /etc/bash.bashrc file:
|
|
|
|
|
|
# PS1="[\\u@\\h \\W]\\$ "
|
|
|
#
|
|
|
# with
|
|
|
#
|
|
|
# [[ -f /etc/bash.custom ]] && . /etc/bash.custom || PS1="[\\u@\\h \\W]\\$ "
|
|
|
|
|
|
# Insert/Install this file into /etc folder.
|
|
|
|
|
|
# After that, you can change bash settings globally by editing /etc/bash.custom file
|
|
|
|
|
|
##############################################################################
|
|
|
# Check https://www.cyberciti.biz/tips/howto-linux-unix-bash-shell-setup-prompt.html for more settings
|
|
|
|
|
|
#######################################
|
|
|
|
|
|
# Use server environment settings? Main switch.
|
|
|
# Use only if you implement this solution to a server environment
|
|
|
# You don't need this feature for client/local computers
|
|
|
|
|
|
ENABLE_SERVER_ENV=no
|
|
|
|
|
|
#######################################
|
|
|
|
|
|
# APPLIES ONLY IF SERVER ENVIRONMENT ENABLED
|
|
|
|
|
|
# Retrieve time zone information for every user connected with a SSH client
|
|
|
# Based on a look up for local GeoIP database
|
|
|
# If timezone can't be defined, use UTC time as a fallback value
|
|
|
# Timezone information can be overwritten by exporting TZ variable with
|
|
|
# desirable value as the user in the user-specific $HOME/.bashrc file
|
|
|
#
|
|
|
# This method doesn't require any environment variables delivered via SSH
|
|
|
# connection by a client
|
|
|
# This method doesn't require any modifications to /etc/ssh/sshd_config file.
|
|
|
#
|
|
|
ENABLE_SSH_TIMEZONE=yes
|
|
|
|
|
|
#######################################
|
|
|
|
|
|
# APPLIES ONLY IF SERVER ENVIRONMENT ENABLED
|
|
|
|
|
|
# If server environment is enabled
|
|
|
if [[ $ENABLE_SERVER_ENV == "yes" ]]; then
|
|
|
|
|
|
if [[ $ENABLE_SSH_TIMEZONE == "yes" ]]; then
|
|
|
|
|
|
if [[ $(export -p | grep SSH_TTY) ]]; then
|
|
|
. $(which ssh_timezone)
|
|
|
fi
|
|
|
fi
|
|
|
fi
|
|
|
|
|
|
##############################################################################
|
|
|
# Hook to bash's STDERR output so that it will be printed as red for all users
|
|
|
export LD_PRELOAD="/usr/\$LIB/libstderred.so${LD_PRELOAD:+:$LD_PRELOAD}"
|
|
|
|
|
|
##############################################################################
|
|
|
# COLOR TABLE
|
|
|
# These are available colors
|
|
|
# Expand if you wish
|
|
|
|
|
|
# Full color table available by executing 'tputcolors' command
|
|
|
|
|
|
# To get equal color values here, use command 'tput setaf <colorcode> | hexdump -c'
|
|
|
|
|
|
# By default, blank TTY sessions have TERM=linux, which has limitation of 8 possible colors when
|
|
|
# tput is used. On many graphical environments, TERM=xterm-256color is used instead, expanding
|
|
|
# all possible colors to 256.
|
|
|
# Because colors defined in this bash file rely on 256 color support, we must
|
|
|
# export TERM=xterm-256color in all opened shell sessions, including blank TTYs.
|
|
|
#
|
|
|
# Setting raw color values, which are disabled below, does not work well with
|
|
|
# slash \$ escaped 'bash_foldercolor' function (defined below)
|
|
|
#
|
|
|
# You get count of supported colors with 'tput colors' command
|
|
|
#
|
|
|
export TERM=xterm-256color
|
|
|
|
|
|
bash_red=$(tput setaf 196)
|
|
|
bash_pink=$(tput setaf 211)
|
|
|
bash_green=$(tput setaf 46)
|
|
|
bash_yellow=$(tput setaf 226)
|
|
|
bash_light_yellow=$(tput setaf 229)
|
|
|
bash_gold=$(tput setaf 184)
|
|
|
bash_orange=$(tput setaf 172)
|
|
|
bash_blue=$(tput setaf 27)
|
|
|
bash_light_blue=$(tput setaf 33)
|
|
|
bash_magenta=$(tput setaf 201)
|
|
|
bash_cyan=$(tput setaf 51)
|
|
|
bash_turquoise=$(tput setaf 86)
|
|
|
bash_grey=$(tput setaf 250)
|
|
|
bash_white=$(tput setaf 255)
|
|
|
|
|
|
bash_color_default=$(tput sgr0)
|
|
|
|
|
|
#bash_red="\033[38;5;196m"
|
|
|
#bash_pink="\033[38;5;211"
|
|
|
#bash_green="\033[38;5;46m"
|
|
|
#bash_yellow="\033[38;5;226m"
|
|
|
#bash_light_yellow="\033[38;5;229m"
|
|
|
#bash_gold="\033[38;5;184m"
|
|
|
#bash_orange="\033[38;5;172m"
|
|
|
#bash_blue="\033[38;5;27m"
|
|
|
#bash_light_blue="\033[38;5;33m"
|
|
|
#bash_magenta="\033[38;5;201m"
|
|
|
#bash_cyan="\033[38;5;51m"
|
|
|
#bash_turquoise="\033[38;5;86m"
|
|
|
#bash_grey="\033[38;5;250m"
|
|
|
#bash_white="\033[38;5;255m"
|
|
|
|
|
|
#bash_color_default="\033[0m"
|
|
|
|
|
|
##############################################################################
|
|
|
# COLOR TABLE CHECK FUNCTION
|
|
|
|
|
|
bash_colorstring() {
|
|
|
|
|
|
case $1 in
|
|
|
red)
|
|
|
printf "\x01%s\x02" "${bash_red}"
|
|
|
;;
|
|
|
pink)
|
|
|
printf "\x01%s\x02" "${bash_pink}"
|
|
|
;;
|
|
|
green)
|
|
|
printf "\x01%s\x02" "${bash_green}"
|
|
|
;;
|
|
|
yellow)
|
|
|
printf "\x01%s\x02" "${bash_yellow}"
|
|
|
;;
|
|
|
light_yellow)
|
|
|
printf "\x01%s\x02" "${bash_light_yellow}"
|
|
|
;;
|
|
|
gold)
|
|
|
printf "\x01%s\x02" "${bash_gold}"
|
|
|
;;
|
|
|
orange)
|
|
|
printf "\x01%s\x02" "${bash_orange}"
|
|
|
;;
|
|
|
blue)
|
|
|
printf "\x01%s\x02" "${bash_blue}"
|
|
|
;;
|
|
|
light_blue)
|
|
|
printf "\x01%s\x02" "${bash_light_blue}"
|
|
|
;;
|
|
|
magenta|purple)
|
|
|
printf "\x01%s\x02" "${bash_magenta}"
|
|
|
;;
|
|
|
cyan)
|
|
|
printf "\x01%s\x02" "${bash_cyan}"
|
|
|
;;
|
|
|
turquoise)
|
|
|
printf "\x01%s\x02" "${bash_turquoise}"
|
|
|
;;
|
|
|
grey)
|
|
|
printf "\x01%s\x02" "${bash_grey}"
|
|
|
;;
|
|
|
white)
|
|
|
printf "\x01%s\x02" "${bash_white}"
|
|
|
;;
|
|
|
default|*)
|
|
|
printf "\x01%s\x02" "${bash_color_default}"
|
|
|
esac
|
|
|
}
|
|
|
|
|
|
##############################################################################
|
|
|
|
|
|
# Original PS1 variable value
|
|
|
#PS1='[\u@\h \W]\$ '
|
|
|
|
|
|
#######################################
|
|
|
|
|
|
# APPLIES ONLY IF SERVER ENVIRONMENT ENABLED
|
|
|
|
|
|
# Different command prompt for local (server) logins?
|
|
|
# Distinguish from SSH logins
|
|
|
# This string does not have any colors for now
|
|
|
# Applies only to tty sessions (sessions without X desktop)
|
|
|
|
|
|
BASH_PS1_DIFFERENT_LOCAL=yes
|
|
|
BASH_PS1_LOCAL='[\u: \W ]\$ '
|
|
|
|
|
|
#######################################
|
|
|
# This is an override switch for all color settings
|
|
|
BASH_PS1_SHOW_COLORS=yes
|
|
|
|
|
|
#######################################
|
|
|
# Start and ending symbols for command prompt
|
|
|
|
|
|
BASH_PS1_START="["
|
|
|
BASH_PS1_START_COLORS=no
|
|
|
BASH_PS1_START_COLOR=$(bash_colorstring default)
|
|
|
|
|
|
BASH_PS1_END=" ]"
|
|
|
BASH_PS1_END_COLORS=no
|
|
|
BASH_PS1_END_COLOR=$(bash_colorstring default)
|
|
|
|
|
|
#######################################
|
|
|
# Override command prompt string?
|
|
|
BASH_PS1_SYNTAX_OVERRIDE=no
|
|
|
BASH_PS1_SYNTAX_OVERRIDESTR='[\u@\h \W]\$ '
|
|
|
|
|
|
#######################################
|
|
|
# Use colors for users?
|
|
|
# Group 'sudo' members are considered as sysadmins.
|
|
|
|
|
|
BASH_USER_COLORS=yes
|
|
|
BASH_SYSADMIN_COLOR=$(bash_colorstring yellow)
|
|
|
BASH_USER_COLOR=$(bash_colorstring default)
|
|
|
BASH_ROOT_COLOR=$(bash_colorstring red)
|
|
|
|
|
|
#######################################
|
|
|
# Use different color for folders owned by the user and some other color for other folders?
|
|
|
BASH_FOLDER_COLORS=yes
|
|
|
BASH_USER_FOLDER_COLOR=$(bash_colorstring green)
|
|
|
BASH_NOTOWNED_FOLDER_COLOR=$(bash_colorstring red)
|
|
|
|
|
|
#######################################
|
|
|
# Colors for ls command?
|
|
|
BASH_LS_COLORS=yes
|
|
|
|
|
|
#######################################
|
|
|
# Show the name of this computer?
|
|
|
BASH_SHOW_HOSTNAME=no
|
|
|
|
|
|
# User and hostname separator settings
|
|
|
BASH_HOSTNAME_SEP="@"
|
|
|
BASH_HOSTNAME_SEP_COLORS=no
|
|
|
BASH_HOSTNAME_SEP_COLOR=$(bash_colorstring gold)
|
|
|
|
|
|
# Use color for hostname?
|
|
|
BASH_HOSTNAME_COLORS=yes
|
|
|
BASH_HOSTNAME_COLOR=$(bash_colorstring blue)
|
|
|
|
|
|
#######################################
|
|
|
# Hostname/user and folder separator settings
|
|
|
|
|
|
BASH_FOLDER_SEP=":"
|
|
|
BASH_FOLDER_SEP_COLORS=no
|
|
|
BASH_FOLDER_SEP_COLOR=$(bash_colorstring default)
|
|
|
|
|
|
#######################################
|
|
|
# Suffix symbol settings
|
|
|
|
|
|
BASH_SUFFIX_SYMBOL="$ "
|
|
|
BASH_SUFFIX_SYMBOL_ROOT="# "
|
|
|
BASH_SUFFIX_COLORS=no
|
|
|
BASH_SUFFIX_COLOR=$(bash_colorstring default)
|
|
|
|
|
|
##############################################################################
|
|
|
# Timestamp
|
|
|
|
|
|
# Show timestamp in the command prompt?
|
|
|
BASH_SHOW_TIMESTAMP=yes
|
|
|
|
|
|
# Example: 26/02/2018 21:33:19
|
|
|
# "\D{%d/%m/%Y} \t"
|
|
|
|
|
|
# Example: 26/02/2018
|
|
|
# "\D{%d/%m/%Y}"
|
|
|
|
|
|
# Example: 21:33:19
|
|
|
# "\t"
|
|
|
|
|
|
BASH_TIMESTAMP_FORMAT=" \! | \D{%d/%m/%Y} \t"
|
|
|
BASH_TIMESTAMP_COLORS=no
|
|
|
BASH_TIMESTAMP_COLOR=$(bash_colorstring default)
|
|
|
|
|
|
#######################################
|
|
|
# Return codes after command execution
|
|
|
|
|
|
# Show command return code in bash?
|
|
|
USE_RETCODE=yes
|
|
|
# Print human readable text strings for each code?
|
|
|
RETCODE_HUMAN=no
|
|
|
# Use colors in error codes?
|
|
|
RETCODE_COLORS=yes
|
|
|
|
|
|
if [[ $USE_RETCODE == "yes" ]]; then
|
|
|
|
|
|
function RETCODE() {
|
|
|
|
|
|
local RET=$?
|
|
|
|
|
|
case $RET in
|
|
|
0)
|
|
|
local RETC=$(bash_colorstring green)
|
|
|
local RETH="ok"
|
|
|
;;
|
|
|
1)
|
|
|
local RETC=$(bash_colorstring red)
|
|
|
local RETH="error"
|
|
|
;;
|
|
|
2)
|
|
|
local RETC=$(bash_colorstring orange)
|
|
|
local RETH="misuse of shell builtin"
|
|
|
;;
|
|
|
127)
|
|
|
local RETC=$(bash_colorstring orange)
|
|
|
local RETH="not found"
|
|
|
;;
|
|
|
128)
|
|
|
local RETC=$(bash_colorstring red)
|
|
|
local RETH="invalid exit argument"
|
|
|
;;
|
|
|
130)
|
|
|
local RETC=$(bash_colorstring purple)
|
|
|
local RETH="aborted"
|
|
|
;;
|
|
|
*)
|
|
|
local RETC=$(bash_colorstring yellow)
|
|
|
local RETH="undefined exit code"
|
|
|
;;
|
|
|
esac
|
|
|
|
|
|
if [[ $RETCODE_COLORS == "no" ]]; then
|
|
|
RETC=$(bash_colorstring default)
|
|
|
fi
|
|
|
|
|
|
if [[ $RETCODE_HUMAN == "yes" ]]; then
|
|
|
printf "Return code: ${RETC}$RET - $RETH$(bash_colorstring default)\n"
|
|
|
else
|
|
|
printf "Return code: ${RETC}$RET$(bash_colorstring default)\n"
|
|
|
fi
|
|
|
|
|
|
}
|
|
|
PROMPT_COMMAND=RETCODE
|
|
|
fi
|
|
|
|
|
|
##############################################################################
|
|
|
# Set up ls command colors
|
|
|
#
|
|
|
if [[ $BASH_PS1_SHOW_COLORS == "yes" ]]; then
|
|
|
|
|
|
if [[ $BASH_LS_COLORS == "yes" ]]; then
|
|
|
eval "$(dircolors -b /etc/dircolors)"
|
|
|
alias ls='ls --color=auto'
|
|
|
fi
|
|
|
fi
|
|
|
|
|
|
#######################################
|
|
|
# Set up starting and ending symbols
|
|
|
#
|
|
|
if [[ $BASH_PS1_START_COLORS == "yes" ]]; then
|
|
|
BASH_PS1_START_INSERT="${BASH_PS1_START_COLOR}${BASH_PS1_START}$(bash_colorstring default)"
|
|
|
else
|
|
|
BASH_PS1_START_INSERT="${BASH_PS1_START}"
|
|
|
fi
|
|
|
|
|
|
if [[ $BASH_PS1_END_COLORS == "yes" ]]; then
|
|
|
BASH_PS1_END_INSERT="${BASH_PS1_END_COLOR}${BASH_PS1_END}$(bash_colorstring default)"
|
|
|
else
|
|
|
BASH_PS1_END_INSERT="${BASH_PS1_END}"
|
|
|
fi
|
|
|
|
|
|
#######################################
|
|
|
# Set up folder-specific colors
|
|
|
#
|
|
|
bash_foldercolor() {
|
|
|
# Change color if we are not owner of the current dir
|
|
|
# For root we always use green color
|
|
|
#
|
|
|
if [[ $BASH_FOLDER_COLORS == "yes" ]]; then
|
|
|
if [[ $(stat -c %u "$PWD") -eq $(id -u) ]] || [[ $(id -u) -eq 0 ]]; then
|
|
|
# Green color
|
|
|
printf "%s" "${BASH_USER_FOLDER_COLOR}"
|
|
|
else
|
|
|
# Red color
|
|
|
printf "%s" "${BASH_NOTOWNED_FOLDER_COLOR}"
|
|
|
fi
|
|
|
else
|
|
|
# White color // reset attributes
|
|
|
printf "%s" "$(bash_colorstring default)"
|
|
|
fi
|
|
|
}
|
|
|
|
|
|
#######################################
|
|
|
# Set up user-specific colors
|
|
|
#
|
|
|
bash_usercolor() {
|
|
|
|
|
|
if [[ $BASH_USER_COLORS == "yes" ]] ;then
|
|
|
|
|
|
if [[ $(id -u) == 0 ]]; then
|
|
|
printf "%s" "${BASH_ROOT_COLOR}"
|
|
|
elif [[ $(groups | grep -o sudo) ]]; then
|
|
|
printf "%s" "${BASH_SYSADMIN_COLOR}"
|
|
|
else
|
|
|
printf "%s" "${BASH_USER_COLOR}"
|
|
|
fi
|
|
|
else
|
|
|
printf "%s" "$(bash_colorstring default)"
|
|
|
fi
|
|
|
}
|
|
|
|
|
|
#######################################
|
|
|
# Set up computer hostname
|
|
|
#
|
|
|
bash_hostname() {
|
|
|
if [[ $BASH_SHOW_HOSTNAME == "yes" ]]; then
|
|
|
|
|
|
if [[ $BASH_HOSTNAME_SEP_COLORS == "yes" ]]; then
|
|
|
BASH_HOSTNAME_SEP_INSERT="${BASH_HOSTNAME_SEP_COLOR}${BASH_HOSTNAME_SEP}$(bash_colorstring default)"
|
|
|
else
|
|
|
BASH_HOSTNAME_SEP_INSERT="${BASH_HOSTNAME_SEP}"
|
|
|
fi
|
|
|
|
|
|
if [[ $BASH_HOSTNAME_COLORS == "yes" ]]; then
|
|
|
printf "%s" "\u$(bash_colorstring default)${BASH_HOSTNAME_SEP_INSERT}${BASH_HOSTNAME_COLOR}\h$(bash_colorstring default)"
|
|
|
else
|
|
|
printf "%s" "\u$(bash_colorstring default)${BASH_HOSTNAME_SEP_INSERT}\h"
|
|
|
fi
|
|
|
else
|
|
|
printf "%s" "\u$(bash_colorstring default)"
|
|
|
fi
|
|
|
}
|
|
|
|
|
|
#######################################
|
|
|
# Set up folder separator
|
|
|
#
|
|
|
bash_folder_separator() {
|
|
|
if [[ $BASH_FOLDER_SEP_COLORS == "yes" ]] && [[ $BASH_SHOW_HOSTNAME == "yes" ]]; then
|
|
|
printf "%s" "${BASH_FOLDER_SEP_COLOR}${BASH_FOLDER_SEP}$(bash_colorstring default)"
|
|
|
else
|
|
|
printf "%s" "${BASH_FOLDER_SEP}"
|
|
|
fi
|
|
|
}
|
|
|
|
|
|
#######################################
|
|
|
# Set up timestamp
|
|
|
#
|
|
|
bash_timestamp() {
|
|
|
if [[ $BASH_SHOW_TIMESTAMP == "yes" ]]; then
|
|
|
if [[ $BASH_TIMESTAMP_COLORS == "yes" ]]; then
|
|
|
printf "%s" "${BASH_TIMESTAMP_COLOR}${BASH_TIMESTAMP_FORMAT}$(bash_colorstring default) - "
|
|
|
else
|
|
|
printf "%s" "${BASH_TIMESTAMP_FORMAT} - "
|
|
|
fi
|
|
|
else
|
|
|
printf ""
|
|
|
fi
|
|
|
}
|
|
|
|
|
|
#######################################
|
|
|
# Set up suffix symbol
|
|
|
#
|
|
|
bash_suffixsymbol() {
|
|
|
|
|
|
if [[ $(id -u) -eq 0 ]]; then
|
|
|
BASH_SUFFIX=${BASH_SUFFIX_SYMBOL_ROOT}
|
|
|
else
|
|
|
BASH_SUFFIX=${BASH_SUFFIX_SYMBOL}
|
|
|
fi
|
|
|
|
|
|
if [[ $BASH_SUFFIX_COLORS == "yes" ]]; then
|
|
|
printf "%s" "${BASH_SUFFIX_COLOR}${BASH_SUFFIX}$(bash_colorstring default)"
|
|
|
else
|
|
|
printf "%s" "${BASH_SUFFIX}"
|
|
|
fi
|
|
|
}
|
|
|
|
|
|
#######################################
|
|
|
# Export command prompt string
|
|
|
#
|
|
|
if [[ $BASH_PS1_SHOW_COLORS != "yes" ]]; then
|
|
|
|
|
|
BASH_PS1_START_COLORS=$(bash_colorstring default)
|
|
|
BASH_PS1_END_COLORS=$(bash_colorstring default)
|
|
|
|
|
|
BASH_USER_COLOR=$(bash_colorstring default)
|
|
|
BASH_ROOT_COLOR=$(bash_colorstring default)
|
|
|
|
|
|
BASH_USER_FOLDER_COLOR=$(bash_colorstring default)
|
|
|
BASH_NOTOWNED_FOLDER_COLOR=$(bash_colorstring default)
|
|
|
|
|
|
BASH_HOSTNAME_COLOR=$(bash_colorstring default)
|
|
|
|
|
|
BASH_SUFFIX_COLOR=$(bash_colorstring default)
|
|
|
|
|
|
BASH_TIMESTAMP_COLOR=$(bash_colorstring default)
|
|
|
fi
|
|
|
|
|
|
ps1_syntax() {
|
|
|
# Default string
|
|
|
export PS1="$BASH_PS1_START_INSERT$(bash_timestamp)$(bash_usercolor)$(bash_hostname)$(bash_folder_separator) \$(bash_foldercolor)\W$(bash_colorstring default)$BASH_PS1_END_INSERT$(bash_suffixsymbol)"
|
|
|
}
|
|
|
|
|
|
if [[ $BASH_PS1_SYNTAX_OVERRIDE == "no" ]]; then
|
|
|
|
|
|
# If we want to use different PS1 variable for local logins...
|
|
|
if [[ $BASH_PS1_DIFFERENT_LOCAL == "yes" ]] && [[ $ENABLE_SERVER_ENV == "yes" ]]; then
|
|
|
|
|
|
# Check if we are local login...
|
|
|
# Returns 0 (true) if we are, otherwise 1 (false)
|
|
|
if [[ ! $(export -p | grep SSH_TTY) ]]; then
|
|
|
export PS1=${BASH_PS1_LOCAL}
|
|
|
else
|
|
|
ps1_syntax
|
|
|
fi
|
|
|
else
|
|
|
ps1_syntax
|
|
|
fi
|
|
|
|
|
|
elif [[ $BASH_PS1_SYNTAX_OVERRIDE == "yes" ]]; then
|
|
|
|
|
|
# User override string
|
|
|
export PS1=${BASH_PS1_SYNTAX_OVERRIDESTR}
|
|
|
|
|
|
else
|
|
|
|
|
|
# Fallback string
|
|
|
export PS1='[\u@\h \W]\$ '
|
|
|
fi
|
|
|
|
|
|
##############################################################################
|
|
|
# Common messages for sudo checks
|
|
|
#
|
|
|
|
|
|
# Ask password every time for sudo commands?
|
|
|
SUDO_ASKPASS=yes
|
|
|
|
|
|
# Separator
|
|
|
function INFO_SEP() {
|
|
|
# http://wiki.bash-hackers.org/snipplets/print_horizontal_line#a_line_across_the_entire_width_of_the_terminal
|
|
|
printf '%*s\n' "${COLUMNS:-$(tput cols)}" '' | tr ' ' -
|
|
|
}
|
|
|
|
|
|
# Default information printed to user
|
|
|
INFO_MSG="\
|
|
|
$(bash_colorstring orange)\
|
|
|
Privileged permissions required\
|
|
|
$(bash_colorstring default)\
|
|
|
"
|
|
|
#
|
|
|
# If any of the following messages is printed by a command,
|
|
|
# then try the command with sudo prefix
|
|
|
ERROR_MSGS="\
|
|
|
Permission denied|\
|
|
|
Operation not permitted|\
|
|
|
you cannot perform this operation unless you are root|\
|
|
|
You may not view or modify password information for root\
|
|
|
"
|
|
|
|
|
|
#######################################
|
|
|
# Check if the current user belongs to sudo
|
|
|
# or is root
|
|
|
#
|
|
|
sudocheck() {
|
|
|
|
|
|
if [[ $UID -ne 0 ]]; then
|
|
|
|
|
|
if [[ ! $(printf $(groups | grep sudo &> /dev/null)$?) -eq 0 ]]; then
|
|
|
printf "Current user does not have sufficient permissions and does not belong to 'sudo' group.\n"
|
|
|
return 1
|
|
|
else
|
|
|
|
|
|
if [[ $SUDO_ASKPASS == "yes" ]]; then
|
|
|
sudo -k
|
|
|
fi
|
|
|
|
|
|
return 0
|
|
|
fi
|
|
|
else
|
|
|
return 0
|
|
|
fi
|
|
|
|
|
|
}
|
|
|
|
|
|
#######################################
|
|
|
# Execute with sudo if no permissions
|
|
|
# to execute a command otherwise
|
|
|
#
|
|
|
# NOTE: This does not work for nano or cd commands
|
|
|
#
|
|
|
function sudoperms() {
|
|
|
|
|
|
# Previous command (ERR) always returns value 1 which is not
|
|
|
# we don't want if the following sudo command succeeds
|
|
|
#
|
|
|
unset PROMPT_COMMAND
|
|
|
|
|
|
local CMD="${BASH_COMMAND}"
|
|
|
|
|
|
# WORKAROUND
|
|
|
# rm command has an interactive prompt where
|
|
|
# it asks for confirmation for file deletion
|
|
|
# However, interactive prompt does not work
|
|
|
# very well here, thus we hook --force/-f
|
|
|
# option to the original rm command
|
|
|
#
|
|
|
if [[ "${CMD}" =~ ^rm[[:space:]] ]]; then
|
|
|
CMD=$(printf "${CMD}" | sed -E 's/^rm/rm -f/')
|
|
|
fi
|
|
|
|
|
|
if [[ $(${CMD} 2>&>1 > /dev/null | grep -E "${ERROR_MSGS}") ]]; then
|
|
|
printf "${INFO_MSG}\n"
|
|
|
sudocheck
|
|
|
if [[ $? -eq 0 ]]; then
|
|
|
INFO_SEP
|
|
|
|
|
|
# Execute the failed command with sudo and get its return code
|
|
|
sudo bash -c "${CMD}" && RETCODE
|
|
|
fi
|
|
|
fi
|
|
|
checkdone=
|
|
|
}
|
|
|
|
|
|
if [[ -z checkdone ]]; then
|
|
|
trap 'sudoperms' ERR
|
|
|
fi
|
|
|
|
|
|
#######################################
|
|
|
# If nano doesn't have correct permissions, use sudo
|
|
|
# automatically for it
|
|
|
#
|
|
|
sudonano() {
|
|
|
|
|
|
# Prevent file names having spaces to be splitted up to
|
|
|
# multiple arguments by setting local IFS variable to be
|
|
|
# a newline instead of space
|
|
|
#
|
|
|
local IFS=$'\n'
|
|
|
|
|
|
# Get all input arguments into a new array
|
|
|
local i=0
|
|
|
for arg in "${@}"; do
|
|
|
ARGS[$i]="${arg}"
|
|
|
let i++
|
|
|
done
|
|
|
|
|
|
# If the first argument is not -h or --help, apply other arguments, too
|
|
|
#
|
|
|
if [[ "${1}" != "-h" ]] || [[ "${1}" != "--help" ]]; then
|
|
|
# If the last input argument is a file, delete
|
|
|
# it from the existing ARGS array
|
|
|
# and put it into a new variable FILE .
|
|
|
# Check owner of the file
|
|
|
#
|
|
|
# If no input file is given, treat
|
|
|
# all arguments as options for nano editor
|
|
|
#
|
|
|
if [[ -f "${ARGS[-1]}" ]]; then
|
|
|
|
|
|
# Get full file path (e.g. if user types just
|
|
|
# name of a file in the current folder)
|
|
|
local FILE=$(readlink -f "${ARGS[-1]}")
|
|
|
|
|
|
# Set single quotes around the file name with full path
|
|
|
# This is just for stat command below
|
|
|
#
|
|
|
local FILE=$(printf "${FILE}" | sed "s/\(.*\)\r/'\1'/g")
|
|
|
local OWNER=$(stat -c %u "${FILE}")
|
|
|
|
|
|
# Remove filename from the arguments list since it
|
|
|
# is not actually an argument we want to supply to
|
|
|
# nano. We need to treat the filename in a special
|
|
|
# way unlike other arguments
|
|
|
#
|
|
|
unset 'ARGS[${#ARGS[@]}-1]'
|
|
|
|
|
|
# Add escape prefixes to every whitespace we have
|
|
|
# in the filename because single quotes are
|
|
|
# not well preserved when supplying filename
|
|
|
# to nano command
|
|
|
#
|
|
|
if [[ "${FILE}" =~ [[:space:]] ]]; then
|
|
|
FILE=$(printf "${FILE}" | sed 's/ /\\ /g')
|
|
|
fi
|
|
|
|
|
|
# If arguments were given, put them before
|
|
|
# the filename. If no arguments were given,
|
|
|
# just supply the filename to nano command
|
|
|
#
|
|
|
if [[ -n ${ARGS[*]} ]]; then
|
|
|
local OPTIONS="${ARGS[*]} ${FILE}"
|
|
|
else
|
|
|
local OPTIONS="${FILE}"
|
|
|
fi
|
|
|
else
|
|
|
local OPTIONS="${ARGS[*]}"
|
|
|
fi
|
|
|
else
|
|
|
local OPTIONS="${1}"
|
|
|
fi
|
|
|
|
|
|
if [[ $UID -ne 0 ]]; then
|
|
|
if [[ -v OWNER ]]; then
|
|
|
if [[ $OWNER -ne $UID ]]; then
|
|
|
printf "${INFO_MSG}\n"
|
|
|
sudocheck
|
|
|
if [[ $? -eq 0 ]]; then
|
|
|
INFO_SEP
|
|
|
sudo nano ${OPTIONS}
|
|
|
fi
|
|
|
else
|
|
|
nano ${OPTIONS}
|
|
|
fi
|
|
|
else
|
|
|
nano ${OPTIONS}
|
|
|
fi
|
|
|
else
|
|
|
nano ${OPTIONS}
|
|
|
fi
|
|
|
|
|
|
# In a case of failure (e.g. return code 1)
|
|
|
# we want to get the real code number
|
|
|
# That's why we call RETCODE function
|
|
|
# which returns the right value for
|
|
|
# the previous command
|
|
|
#
|
|
|
RETCODE
|
|
|
|
|
|
# We need to unset PROMPT_COMMAND variable
|
|
|
# after RETCODE function execution
|
|
|
# Otherwise we get false-positive
|
|
|
# return value (return code 0) for
|
|
|
# the previous command, no matter
|
|
|
# whether it succeeded or failed
|
|
|
#
|
|
|
unset PROMPT_COMMAND
|
|
|
|
|
|
}
|
|
|
|
|
|
if [[ $(printf $(which nano &> /dev/null)$?) -eq 0 ]]; then
|
|
|
alias nano='sudonano'
|
|
|
fi
|
|
|
|
|
|
#######################################
|
|
|
# If find doesn't have correct permissions, use sudo
|
|
|
# automatically for it
|
|
|
#
|
|
|
: '
|
|
|
sudofind() {
|
|
|
|
|
|
if [[ ! "${1}" =~ ^-{1,2}[a-z]* ]]; then
|
|
|
if [[ ! -d "${1}" ]]; then
|
|
|
printf "$(bash_colorstring red)Error:$(bash_colorstring default) ${1}: No such directory\n"
|
|
|
return 1
|
|
|
fi
|
|
|
else
|
|
|
find "${1}"
|
|
|
fi
|
|
|
|
|
|
if [[ $UID -ne 0 ]]; then
|
|
|
|
|
|
local i=0
|
|
|
for arg in "${@}"; do
|
|
|
if [[ $arg =~ [[:space:]] ]]; then
|
|
|
arg=\"$arg\"
|
|
|
fi
|
|
|
local ARGS[$i]="${arg}"
|
|
|
let i++
|
|
|
done
|
|
|
|
|
|
local DIRPATH="${ARGS[0]}"
|
|
|
local OWNER_STR=$(stat -c %U "${DIRPATH}")
|
|
|
local USER_STR=$(id -un $UID)
|
|
|
|
|
|
if [[ $OWNER_STR == $USER_STR ]]; then
|
|
|
find "${ARGS[*]}"
|
|
|
else
|
|
|
sudo SUDOARGS="${ARGS[*]}" -u $OWNER_STR bash -c 'find "${SUDOARGS}"'
|
|
|
fi
|
|
|
else
|
|
|
find "${ARGS[*]}"
|
|
|
fi
|
|
|
|
|
|
}
|
|
|
|
|
|
alias find='sudofind'
|
|
|
'
|
|
|
|
|
|
#######################################
|
|
|
# If we don't have access to a directory, check dir owner
|
|
|
# and access the folder as that user with sudo
|
|
|
#
|
|
|
sudocd() {
|
|
|
|
|
|
if [[ -d "${1}" ]]; then
|
|
|
|
|
|
if [[ $UID -ne 0 ]]; then
|
|
|
|
|
|
if [[ $(stat -c %u "${1}") -ne $UID ]]; then
|
|
|
|
|
|
local PERMS=$(stat -c %A "${1}")
|
|
|
|
|
|
if [[ $(echo "${PERMS:9:1}") =~ x|t ]]; then
|
|
|
cd "${1}"
|
|
|
else
|
|
|
|
|
|
printf "${INFO_MSG}\n"
|
|
|
sudocheck
|
|
|
if [[ $? -eq 0 ]]; then
|
|
|
INFO_SEP
|
|
|
local OWNER=$(stat -c %U "${1}")
|
|
|
printf "Opening $OWNER shell environment\n"
|
|
|
sudo GODIR="${1}" -u $OWNER bash -c 'cd "${GODIR}"; $SHELL'
|
|
|
fi
|
|
|
fi
|
|
|
else
|
|
|
cd "${1}"
|
|
|
fi
|
|
|
else
|
|
|
cd "${1}"
|
|
|
fi
|
|
|
elif [[ -z "${1}" ]]; then
|
|
|
cd "${HOME}"
|
|
|
else
|
|
|
printf "$(bash_colorstring red)Error:$(bash_colorstring default) No such directory\n"
|
|
|
return 1
|
|
|
fi
|
|
|
|
|
|
}
|
|
|
|
|
|
alias cd='sudocd'
|