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| #!/bin/bash | |
| # __ __ | |
| # ____ ____ _________ ____ ___ ____ / /_ _____/ /_ | |
| # /_ / / __ \/ ___/ __ \/ __ `__ \/ __ \/ __/ / ___/ __ \ | |
| # / /_/ /_/ / / / /_/ / / / / / / /_/ / /__ (__ ) / / / | |
| # /___/ .___/_/ \____/_/ /_/ /_/ .___/\__(_)____/_/ /_/ | |
| # /_/ /_/ | |
| PS1='\u@\h \W\$ ' | |
| PROMPT_COMMAND=__UPDATE_PROMPT | |
| __UPDATE_PROMPT(){ | |
| # | |
| local RETURNED_CODE=$? OK= ER= OF= RL= TL= UL= HL= PL= CS= | |
| local SPLITTER=$(printf "\xee\x82\xb0") # | |
| # OK_MARK - OK mark for result of previous command | |
| # "\xe2\x9c\x93" ✓ | |
| # "\xe2\x9c\x94" ✔ | |
| # "\xe2\x9c\x85" ✅ | |
| local OK_MARK=$(printf "\xe2\x9c\x94") # ✔ | |
| # ER_MARK - Error mark for result of previous command | |
| # "\xe2\x9c\x95" ✕ | |
| # "\xe2\x9c\x96" ✖ | |
| # "\xe2\x9c\x97" ✗ | |
| # "\xe2\x9c\x98" ✘ | |
| # "\xe2\x9d\x8c" ❌ | |
| local ERR_MARK=$(printf "\xe2\x9c\x98") # ✘ | |
| local THREE_DOTS="\xe2\x80\xa6" # … | |
| # Date format | |
| local DATE_FORMAT='\D{%Y-%m-%dT%H:%M:%S%z}' | |
| # USER_FG - user foreground color | |
| # USER_BG - user background color | |
| local USER_FG=255 USER_BG=33 | |
| # ROOT_FG - root foreground color | |
| # ROOT_BG - root background color | |
| local ROOT_FG=255 ROOT_BG=196 | |
| # HOSTNAME_FG - hostname foreground color | |
| # HOSTNAME_BG - hostname background color | |
| local HOSTNAME_FG=232 HOSTNAME_BG=46 | |
| # CWD_FG - current working directory foreground color | |
| # CWD_BG - current working directory background color | |
| local CWD_FG=232 CWD_BG=228 | |
| # OK_FG - ok mark foreground color | |
| local OK_FG=34 | |
| # ERR_FG - error mark foreground color | |
| local ERR_FG=196 | |
| # DATE_FG - date foreground color | |
| local DATE_FG=255 | |
| # IS - invisible start | |
| # IE - invisible end | |
| local IS='\[' IE='\]' | |
| # FG - foreground color | |
| # BG - background color | |
| local FG='\e[38;5;' BG='\e[48;5;' BOLD='\e[1m' ITALIC='\e[3m' RESET='\e[0m' | |
| # MOVE_1_ROW_UP - move cursor up 1 row | |
| # MOVE_TO_RIGHT_BORDER - move cursor to the right border | |
| local MOVE_1_ROW_UP='\e[1A' MOVE_TO_RIGHT_BORDER='\e[$(($COLUMNS-1))G' | |
| { [[ -v MC_SID ]] || [[ $TERM == linux ]];} && return | |
| # OK result label | |
| OK=$IS$FG$OK_FG'm'$ITALIC$IE$OK_MARK$IS$RESET$IE'\n' | |
| # ERROR result label | |
| ER=$IS'\e[4D'$FG$ERR_FG'm'$IE$(printf %3d\ $RETURNED_CODE)$ERR_MARK$IS$RESET$IE'\n' | |
| # Result of the previous command prefix | |
| OF='\n'$IS$MOVE_1_ROW_UP$MOVE_TO_RIGHT_BORDER$BOLD$IE | |
| # Current time label is finish of the previous command execution | |
| TL=$IS$MOVE_TO_RIGHT_BORDER'\e[30D'$FG$DATE_FG'm\e[2m'$IE'Finish:'$DATE_FORMAT$IS$RESET$IE'\n' | |
| # if previous command was successful then add OK label else add ERROR label | |
| [[ $RETURNED_CODE -eq 0 ]] && RL=$OF$OK || RL=$OF$ER | |
| # CWD - current working directory | |
| # USER - user | |
| # HOSTNAME - hostname | |
| local CWD=`pwd` USER=`whoami` HOSTNAME=`hostname` | |
| [[ $UID -eq 0 ]] && USER_FG=$ROOT_FG && USER_BG=$ROOT_BG | |
| # User label | |
| UL=$IS$FG$USER_FG'm'$BG$USER_BG'm'$IE" $USER "$IS$FG$USER_BG'm'$IE | |
| # Hostname label | |
| HL=$IS$BG$HOSTNAME_BG'm'$IE$SPLITTER$IS$FG$HOSTNAME_FG'm'$IE" $HOSTNAME "$IS$FG$HOSTNAME_BG'm'$IE | |
| # Closure of the prompt | |
| CS=$SPLITTER$IS$RESET$IE' ' | |
| # If current working directory is in home directory, replace it with ~ | |
| [[ $HOME == ${CWD:0:${#HOME}} ]] && CWD=\~${CWD:${#HOME}} | |
| # Path of CWD label | |
| PL=$IS$BG$CWD_BG'm'$IE$SPLITTER$IS$FG$CWD_FG'm'$BOLD$IE" $CWD "$IS$RESET$FG$CWD_BG'm'$IE | |
| # If COLUMNS is not set, do only left side of the prompt and exit | |
| [[ -z $COLUMNS ]] && PS1=$UL$HL$PL$CS && PS0= && return | |
| # If COLUMNS is set, do right side of the prompt | |
| PS0=$IS$MOVE_TO_RIGHT_BORDER'\e[29D'$FG$DATE_FG'm\e[2m'$IE'Start:'$DATE_FORMAT$IS$RESET$IE'\n' | |
| # 1/3 of the terminal width | |
| THIRD=$(echo "$COLUMNS/3" | bc) | |
| # If current prompt is too long then cut hostname label from prompt | |
| [[ $(echo -n " $USER $HOSTNAME $CWD " | wc -c) -gt $THIRD ]] && HL='' && | |
| # If current prompt is too long again then cut user label from prompt | |
| [[ $(echo -n " $USER $CWD " | wc -c) -gt $THIRD ]] && UL=$IS$BG$USER_BG'm'$IE' '$IS$FG$USER_BG'm'$IE && | |
| # If current working directory is too long | |
| [[ $(echo -n " $CWD " | wc -c) -gt $THIRD ]] && | |
| # Replace some parts of path with three dots | |
| CWD=$(echo $CWD | perl -pe 's/([^\/]{2})[^\/]{2,9}[\/]/\1'$THREE_DOTS'\//g') && | |
| # And replace the path label | |
| PL=$IS$BG$CWD_BG'm'$IE$SPLITTER$IS$FG$CWD_FG'm'$BOLD$IE" $CWD "$IS$RESET$FG$CWD_BG'm'$IE | |
| # Replace the prompt | |
| PS1=$RL$TL$UL$HL$PL$CS | |
| } |
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