90 lines
2.5 KiB
Bash
90 lines
2.5 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 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 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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CMD_US="$((1${PROMPT_REALTIME: -6}-$((10#${LAST_REALTIME: -6}))))"
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CMD_US="$((10#${CMD_US: -6}))"
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# Set the prompt
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PS1="$([ $PEC -ne 0 ] && printf "\[[34m\][\[[31m\]$(__sig $PEC)\[[34m\]] ")\[[1m[34m\][\[[3\$([ $(id -u) -eq 0 ] && printf 1 || printf 3)m\]\u\[[35m\]@\[[36m\]\h\[[35m\]:\[[32m\]\w\[[34m\]] \[[33m\]$(__get_cmd_time)\[[38;2;\$RANDOM;\$RANDOM;\${RANDOM}m\]\\$ \[[0m\]"
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}
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PROMPT_COMMAND=__prompt
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