78 lines
3 KiB
Bash
Executable file
78 lines
3 KiB
Bash
Executable file
#! /bin/bash
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# *very* dirty, but this inferior excuse for a shell deserves nothing better
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OVER_PROMPT_CFG="/etc/over/prompt.cfg"
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if [ -a "$OVER_PROMPT_CFG" ]; then
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source "$OVER_PROMPT_CFG"
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fi
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function precmd()
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{
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EXITUS=$?
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RAW_DATA="$(/usr/share/over-prompt/data $OVER_PROMPT_OPTS)"
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if [ $EXITUS = 0 ]; then
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CROSS="|CYAN|\\$|NONE|"
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else
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CROSS="|RED|${EXITUS}|NONE|:|RED|\\$|NONE|"
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fi
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if [ $EUID = 0 ]; then
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USER_PART="|RED|\\u|NONE|"
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else
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USER_PART="|GREEN|\\u|NONE|"
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fi
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home_len=${#HOME}
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if [ "${PWD:0:$home_len}" = "$HOME" ]; then
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pwd="~${PWD:$home_len}"
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else
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pwd="$PWD"
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fi
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if [ -n "$RAW_DATA" ]; then
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LOGIN_PART="${RAW_DATA%:::*}"
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STATS_PART="[ ${RAW_DATA#*:::} "
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pwd_len=${#pwd}
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user_len=${#USER}
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host_len=${#HOSTNAME}
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win_len=${#WINDOW}
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STATS_PART_="$(echo ${STATS_PART}|sed 's/|[A-Z]*|//g')"
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stats_len=${#STATS_PART_}
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max_pwd_len=$((${COLUMNS}-${user_len}-${host_len}-${win_len}-${stats_len}-5))
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# 1 kB of spaces... that should be enough. DIRTY, YEAH!
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spaces=" "
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padding=""
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if [ ${pwd_len} -gt ${max_pwd_len} ]; then
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pwd="<${pwd:(($pwd_len - $max_pwd_len)):$pwd_len}"
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elif [ ${pwd_len} -lt ${max_pwd_len} ]; then
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padto=$((${max_pwd_len} - ${pwd_len} + 1))
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padding="${spaces:0:$padto}"
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fi
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PS1="${USER_PART}@${LOGIN_PART} ${padding}${STATS_PART}\n$CROSS "
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else
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PS1="${USER_PART}@|HOST| |CWD| [|RFLASH|data gathering error|NONE|]\n$CROSS "
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fi
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PS1="${PS1//|NONE|/\[\033[0m\]}"
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PS1="${PS1//|RED|/\[\033[1;31m\]}"
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PS1="${PS1//|RFLASH|/\[\033[5;31m\]}"
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PS1="${PS1//|GREEN|/\[\033[1;32m\]}"
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PS1="${PS1//|DARKGREEN|/\[\033[0;32m\]}"
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PS1="${PS1//|BLUE|/\[\033[1;34m\]}"
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PS1="${PS1//|YELLOW|/\[\033[1;33m\]}"
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PS1="${PS1//|CYAN|/\[\033[1;36m\]}"
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PS1="${PS1//|HOST|/$HOSTNAME}"
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PS1="${PS1//|TTY|/$WINDOW}"
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PS1="${PS1//|CWD|/$pwd}"
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unset -v LOGIN_PART STATS_PART pwd_len user_len host_len win_len STATS_PART_ stats_len max_pwd_len spaces padding pwd padto padding
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}
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PROMPT_COMMAND="precmd"
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unset OVER_PROMPT_CFG
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