158 lines
3.6 KiB
Nix
158 lines
3.6 KiB
Nix
{ config, ... }: let
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accent = "${config.style.color.accent-r};${config.style.color.accent-g};${config.style.color.accent-b}";
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negative = "${config.style.color.negative-r};${config.style.color.negative-g};${config.style.color.negative-b}";
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neutral = "${config.style.color.neutral-r};${config.style.color.neutral-g};${config.style.color.neutral-b}";
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positive = "${config.style.color.positive-r};${config.style.color.positive-g};${config.style.color.positive-b}";
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in {
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text = ''
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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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}
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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 '${negative}')"
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PS1+="["
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else
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PS1+="$(__prompt_color)"
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PS1+="["
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fi
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# Add time.
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# PS1+="$(__prompt_color '${accent}')"
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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}')"
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else
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PS1+="$(__prompt_color '${neutral}')"
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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}')"
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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}')@''${git_branch}"
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fi
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# Set error red.
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if ''${is_error}; then
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PS1+="$(__prompt_color '${negative}')"
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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}')("
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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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# 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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'';
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}
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