152 lines
3 KiB
Bash
152 lines
3 KiB
Bash
export PROMPT_COMMAND=(__prompt_command "${PROMPT_COMMAND[@]}")
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function __prompt_color() {
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local color="${1}"
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if [[ "${color}" = "" ]]; then
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printf "\[\x1b[0m\]"
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else
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printf "\[\x1b[38;2;${color}m\]"
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fi
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# echo "\[\033[48;5;${COLOR_BACKGROUND};38;5;${color}m\]" # With backgroud.
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# echo "\[\033[38;5;${color}m\]" # Only foreground.
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}
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# Custom terminal prompt format.
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function __prompt_command() {
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local last_status="${?}"
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local is_error=false
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local is_root=false
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if [[ ${last_status} != 0 && ${last_status} != 130 ]]; then
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is_error=true
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fi
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if [[ "${UID}" -eq 0 ]]; then
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is_root=true
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fi
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# Add newline.
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PS1="\n"
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# Set error red.
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if ${is_error}; then
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PS1+="$(__prompt_color ${negative_rgb})"
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PS1+="["
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else
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PS1+="$(__prompt_color)"
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PS1+="["
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fi
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# Add time.
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PS1+="$(__prompt_color ${fg_3_rgb})"
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PS1+="$(date +%H:%M) "
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# Set root red.
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if ${is_root}; then
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PS1+="$(__prompt_color ${negative_rgb})"
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else
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PS1+="$(__prompt_color ${neutral_rgb})"
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fi
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# Add user, host and working dir.
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PS1+="\u@\h "
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PS1+="$(__prompt_color ${positive_rgb})"
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PS1+="\w"
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# PS1+="\${PWD}"
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# Add git branch if available.
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local git_branch="$(_git_current_branch)"
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if [[ "${git_branch}" != "" ]]; then
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PS1+=" $(__prompt_color ${accent_rgb})@${git_branch}"
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fi
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# Set error red.
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if ${is_error}; then
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PS1+="$(__prompt_color ${negative_rgb})"
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PS1+="] "
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else
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PS1+="$(__prompt_color)"
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PS1+="] "
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fi
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# If error, show code.
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if ${is_error}; then
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PS1+="$(__prompt_color ${negative_rgb})("
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PS1+="${last_status}"
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local error_type="$(_ps1error ${last_status})"
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[[ "${error_type}" != "" ]] && PS1+=" ${error_type}"
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PS1+=")$(__prompt_color) "
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fi
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# Command on new line.
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PS1+="\n"
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PS1+="$(__prompt_color ${fg_3_rgb})"
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# Show nix shell name.
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if [ -n "${NIX_SHELL}" ]; then
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PS1+="${NIX_SHELL} "
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fi
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# Show remote connections.
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if [ -n "${SSH_TTY}" ]; then
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PS1+=">"
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fi
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PS1+="$(__prompt_color)"
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# Set user tag.
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if ${is_root}; then
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PS1+="# "
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else
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PS1+="$ "
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fi
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# Reset color.
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PS1+="\[\033[0m\]"
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}
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# Convert error code into short description.
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# Usage: _ps1error <CODE>
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function _ps1error() {
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local type
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case ${1} in
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1) type="GENERAL" ;;
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2) type="MISUSE" ;;
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126) type="CANTEXEC" ;;
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127) type="CMDNF" ;;
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129) type="SIGHUP" ;;
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130) type="SIGINT" ;;
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131) type="SIGQUIT" ;;
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132) type="SIGILL" ;;
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133) type="SIGTRAP" ;;
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134) type="SIGABRT" ;;
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135) type="SIGBUS" ;;
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136) type="SIGFPE" ;;
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137) type="SIGKILL" ;;
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138) type="SIGUSR1" ;;
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139) type="SIGSEGV" ;;
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140) type="SIGUSR2" ;;
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141) type="SIGPIPE" ;;
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142) type="SIGALRM" ;;
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143) type="SIGTERM" ;;
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144) type="" ;;
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145) type="SIGCHLD" ;;
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146) type="SIGCONT" ;;
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147) type="SIGSTOP" ;;
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148) type="SIGTSTP" ;;
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149) type="SIGTTIN" ;;
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150) type="SIGTTOU" ;;
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151) type="SIGURG" ;;
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152) type="SIGXCPU" ;;
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153) type="SIGXFSZ" ;;
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154) type="SIGVTALRM" ;;
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155) type="SIGPROF" ;;
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156) type="SIGWINCH" ;;
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157) type="SIGIO" ;;
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158) type="SIGPWR" ;;
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159) type="SIGSYS" ;;
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*) type="" ;;
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esac
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echo -n "${type}"
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}
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