125 lines
3.3 KiB
Bash
125 lines
3.3 KiB
Bash
#!/bin/bash
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# shebang for syntax highlightin purposes
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__debug_trap() {
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# Set necessary pre-command variables (PROMPT_COMMAND is a command
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# so its excluded here)
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if [[ "$BASH_COMMAND" != "$PROMPT_COMMAND" ]]; then
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LAST_EPOCH="$EPOCHSECONDS"
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LAST_REALTIME="$EPOCHREALTIME"
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INC_TIME=1
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fi
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}
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trap '__debug_trap' DEBUG
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__get_cmd_time() {
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# Set hours minutes seconds and remove preceding zeros
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local YEAR=$(($((10#$(TZ=UTC printf '%(%Y)T' $CMD_TIME)))-1970))
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local DAYS=$((10#$(TZ=UTC printf '%(%j)T' $CMD_TIME)))
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local HOUR=$((10#$(TZ=UTC printf '%(%H)T' $CMD_TIME)))
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local MINS=$((10#$(TZ=UTC printf '%(%M)T' $CMD_TIME)))
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local SECS=$((10#$(TZ=UTC printf '%(%S)T' $CMD_TIME))) #wtf sex???
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# Choose whether or not to print hours minutes and seconds
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[ $CMD_TIME -ge 31536000 ] && TZ=UTC printf '%sd ' ${YEAR:-0}
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[ $CMD_TIME -ge 86400 ] && TZ=UTC printf '%sd ' ${DAYS:-0}
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[ $CMD_TIME -ge 3600 ] && TZ=UTC printf '%sh ' ${HOUR:-0}
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[ $CMD_TIME -ge 60 ] && TZ=UTC printf '%sm ' ${MINS:-0}
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[ $CMD_TIME -ge 1 ] && TZ=UTC printf '%ss ' ${SECS:-0}
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TZ=UTC printf '%sμs' ${CMD_US:-0}
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}
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__sig() {
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# Giant switch case for getting the name of the signal (`kill -l`)
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case $1 in
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126) printf ACCES ;;
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127) printf NOENT ;;
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129) printf HUP ;;
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130) printf INT ;;
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131) printf QUIT ;;
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132) printf ILL ;;
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133) printf TRAP ;;
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134) printf ABRT ;;
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135) printf BUS ;;
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136) printf FPE ;;
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137) printf KILL ;;
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138) printf USR1 ;;
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139) printf SEGV ;;
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140) printf USR2 ;;
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141) printf PIPE ;;
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142) printf ALRM ;;
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143) printf TERM ;;
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144) printf STKFLT ;;
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145) printf CHLD ;;
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146) printf CONT ;;
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147) printf STOP ;;
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148) printf TSTP ;;
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149) printf TTIN ;;
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150) printf TTOU ;;
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151) printf URG ;;
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152) printf XCPU ;;
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153) printf XFSZ ;;
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154) printf VTALRM ;;
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155) printf PROF ;;
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156) printf WINCH ;;
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157) printf IO ;;
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158) printf PWR ;;
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159) printf SYS ;;
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16[3-9]|1[7-8][0-9]|19[0-2]) printf RT$(($1-128)) ;; # Savagery
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*) printf $1 ;; # Print exit code if not in list
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esac
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}
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__prompt() {
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# Get exit code
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PEC=$?
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# Reset time when prompt was first displayed after command
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if [ $INC_TIME -ne 0 ]; then
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PROMPT_EPOCH="$EPOCHSECONDS"
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PROMPT_REALTIME="$EPOCHREALTIME"
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INC_TIME=0
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fi
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# Get relative times
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CMD_TIME="$((PROMPT_EPOCH-LAST_EPOCH))"
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local LAST_US="$((10#${LAST_REALTIME: -6}))"
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CMD_US="$((1${PROMPT_REALTIME: -6}-${LAST_US:-0}))"
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CMD_US="$((10#${CMD_US: -6}))"
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# Set prompt sections
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# Colors
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local NON="\[\033[0m\]"
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local BLD="\[\033[1m\]" # YEP BALD
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local BLK="\[\033[30m\]"
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local RED="\[\033[31m\]"
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local GRN="\[\033[32m\]"
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local YLW="\[\033[33m\]"
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local BLU="\[\033[34m\]"
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local PRP="\[\033[35m\]"
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local CYN="\[\033[36m\]"
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local WHT="\[\033[37m\]"
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# Text
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# [INT], [4], etc.
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local SIG="$([ $PEC -ne 0 ] && printf "$BLU[$RED$(__sig $PEC)$BLU] ")"
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# [user@homeserver:~]
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local CLR="$([ $UID -eq 0 ] && printf $RED || printf $YLW)"
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local UHD="$BLD$BLU[$CLR\u$PRP@$CYN\h$PRP:$GRN\w$BLU]"
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# 2y 351d 12m 43s 382969μs
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local TIME="$YLW$(__get_cmd_time)"
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# Random colored $ or #
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local RAND256="\[\033[38;2;$RANDOM;$RANDOM;${RANDOM}m\]"
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local IND="$RAND256\\$"
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# Set the prompt
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PS1="$NON$SIG$UHD $TIME $IND $NON"
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}
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PROMPT_COMMAND=__prompt
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