.files/.config/guix/cobra/homedir.scm

(define-module (cobra homedir)
  #:use-module (guix gexp)
  #:export (%home:devspec
            %home:bashrc
            %home:prompt
            %home:bash-profile))

(define %home:devspec
  (plain-file "devspec" "\
#!/usr/bin/env bash

if [[ $HOSTNAME == pp ]]; then
        PRIV=doas
        UPDATE=\"$PRIV sh -c 'apk update && apk upgrade -aiv && apk fix'\"
        COPY_COMMAND=\"wl-copy\"
        PASTE_COMMAND=\"wl-paste\"
        WIFI=wlan0
        WM=\"bash\"
elif [[ $HOSTNAME == Oganesson ]]; then :
        #export WLR_DRM_DEVICES=/dev/dri/card1:/dev/dri/card0
elif [[ $HOSTNAME == Neon ]]; then
        export WLR_NO_HARDWARE_CURSORS=1
else
        PRIV=sudo
        UPDATE=\"$PRIV sh -c 'apt update && apt upgrade && apt autoremove'\"
        COPY_COMMAND=\"xclip -i -selection clipboard\"
        PASTE_COMMAND=\"xclip -o -selection clipboard\"
        WIFI=wlp2s0
        WM=\"bash\"
fi"))

(define %home:bash-profile
  (plain-file "bash_profile" "\
# Honor per-interactive-shell startup file
if [ -f ~/.bashrc ]; then . ~/.bashrc; fi
export PATH=\"~/.local/bin:$PATH\"
export LESS_TERMCAP_mb=''
export LESS_TERMCAP_md=''
export LESS_TERMCAP_me=''
export LESS_TERMCAP_se=''
export LESS_TERMCAP_so=''
export LESS_TERMCAP_ue=''
export LESS_TERMCAP_us=''
export LESS=-R
export PATH=~/.guix-home/profile/bin:$PATH

PATH=\"/home/cobra/perl5/bin${PATH:+:${PATH}}\"; export PATH;
PERL5LIB=\"/home/cobra/perl5/lib/perl5${PERL5LIB:+:${PERL5LIB}}\"; export PERL5LIB;
PERL_LOCAL_LIB_ROOT=\"/home/cobra/perl5${PERL_LOCAL_LIB_ROOT:+:${PERL_LOCAL_LIB_ROOT}}\"; export PERL_LOCAL_LIB_ROOT;
PERL_MB_OPT=\"--install_base \\\"/home/cobra/perl5\\\"\"; export PERL_MB_OPT;
PERL_MM_OPT=\"INSTALL_BASE=/home/cobra/perl5\"; export PERL_MM_OPT;

. ~/.devspec
. ~/.guix-home/setup-environment
if [[ $(tty) == /dev/tty2 ]]; then
        exec $WM
fi"))

(define %home:prompt
  (plain-file "prompt" "\
#!/bin/bash
# shebang for syntax highlighting purposes

# Colors
_NON=\"\\[\\033[0m\\]\"
_BLD=\"\\[\\033[1m\\]\"
_BLK=\"\\[\\033[30m\\]\"
_RED=\"\\[\\033[31m\\]\"
_GRN=\"\\[\\033[32m\\]\"
_YLW=\"\\[\\033[33m\\]\"
_BLU=\"\\[\\033[34m\\]\"
_PRP=\"\\[\\033[35m\\]\"
_CYN=\"\\[\\033[36m\\]\"
_WHT=\"\\[\\033[37m\\]\"

__debug_trap() {
        # Set necessary pre-command variables (PROMPT_COMMAND is a
        # command so its excluded here)
        if [[ \"$BASH_COMMAND\" != \"$PROMPT_COMMAND\"
                && \"$LAST_BASH_COMMAND\" == \"$PROMPT_COMMAND\" ]]; then
                INC_TIME=1
                LAST_RT=\"$EPOCHREALTIME\" # This should be the last thing done in this function
        fi
        LAST_BASH_COMMAND=\"$BASH_COMMAND\"
}

trap '__debug_trap' DEBUG

__get_cmd_time() {
        # Set hours minutes seconds and remove preceding zeros
        local YEAR
        local DAYS
        local HOUR
        local MINS
        local SECS
        ((YEAR=10#$(($(TZ=UTC printf '%(%Y)T' \"$CMD_TIME\")))-1970))
        ((DAYS=10#$(TZ=UTC printf '%(%j)T' \"$CMD_TIME\")))
        ((HOUR=10#$(TZ=UTC printf '%(%H)T' \"$CMD_TIME\")))
        ((MINS=10#$(TZ=UTC printf '%(%M)T' \"$CMD_TIME\")))
        ((SECS=10#$(TZ=UTC printf '%(%S)T' \"$CMD_TIME\")))

        # Choose whether or not to print hours minutes and seconds
        [[ $CMD_TIME -ge 31536000 ]] && printf '%sy ' \"${YEAR}\"
        [[ $CMD_TIME -ge 86400    ]] && printf '%sd ' \"${DAYS}\"
        [[ $CMD_TIME -ge 3600     ]] && printf '%sh ' \"${HOUR}\"
        [[ $CMD_TIME -ge 60       ]] && printf '%sm ' \"${MINS}\"
        [[ $CMD_TIME -ge 1        ]] && printf '%ss ' \"${SECS}\"
        # If you want to have a limit uncomment the next line and replace somenum with
        # the minimum microseconds
#        [[ $CMD_US   -ge somenum  ]] &&
                                        printf '%sμs' \"${CMD_US:-0}\"
}

__sig() {
        # Giant switch case for getting the name of the signal (`kill -l`)
        local ITR=0
        local RET
        for RET in \"$@\"; do
                if [[ $ITR != 0 ]]; then
                        printf '%s|%s' \"$_WHT\" \"$_RED\"
                fi
                ((ITR++))
                case $RET in
                        126): \"ACCES\"  ;;
                        127): \"NOENT\"  ;;
                        129): \"HUP\"    ;;
                        130): \"INT\"    ;;
                        131): \"QUIT\"   ;;
                        132): \"ILL\"    ;;
                        133): \"TRAP\"   ;;
                        134): \"ABRT\"   ;;
                        135): \"BUS\"    ;;
                        136): \"FPE\"    ;;
                        137): \"KILL\"   ;;
                        138): \"USR\"1   ;;
                        139): \"SEGV\"   ;;
                        140): \"USR\"2   ;;
                        141): \"PIPE\"   ;;
                        142): \"ALRM\"   ;;
                        143): \"TERM\"   ;;
                        144): \"STKFLT\" ;;
                        145): \"CHLD\"   ;;
                        146): \"CONT\"   ;;
                        147): \"STOP\"   ;;
                        148): \"TSTP\"   ;;
                        149): \"TTIN\"   ;;
                        150): \"TTOU\"   ;;
                        151): \"URG\"    ;;
                        152): \"XCPU\"   ;;
                        153): \"XFSZ\"   ;;
                        154): \"VTALRM\" ;;
                        155): \"PROF\"   ;;
                        156): \"WINCH\"  ;;
                        157): \"IO\"     ;;
                        158): \"PWR\"    ;;
                        159): \"SYS\"    ;;
                        16[3-9]|1[7-8][0-9]|19[0-2]): \"RT$((RET-128))\" ;; # Savagery
                        *):   \"$RET\"   ;; # Print exit code if not in list
                esac
                printf '%s' \"$_\"
        done
}

__ssh() {
        local CON=($SSH_CONNECTION)
        local SRV_IP=\"${CON[2]}\"
        [[ -z \"$SRV_IP\" ]] && return
        local SRV_PORT=\"${CON[3]}\"
        # 4 chars from startand 4 chars from end
        local SRV_IP_CUT=\"${_CYN}${SRV_IP}\"
        [[ ${#SRV_IP} -gt 8 ]] && local SRV_IP_CUT=\"${_CYN}${SRV_IP:0:4}${_WHT}*${_CYN}${SRV_IP: -4}\"

        printf '%s' \"${_GRN}${_BLU}[${SRV_IP_CUT}${_PRP}${_BLD}:${_NON}${_CYN}${SRV_PORT}${_BLU}]${_NON}\"
}

__guix_env() {
        local re='[\\(]?\\(\"([^\"]*)\"'
        if [[ \"$GUIX_ENVIRONMENT\" ]]; then
                local PACKAGES=($(while read -r line; do
                                [[ \"$line\" =~ $re ]] && printf '%s ' \"${BASH_REMATCH[1]}\"
                        done < $GUIX_ENVIRONMENT/manifest))
                if [[ ${#PACKAGES[@]} -eq 2 ]]; then
                        printf \"${_BLD}${_BLU}[${_NON}${_YLW}Guix${_NON}: ${_WHT}%s ${_NON}+ ${_PRP}%d ${_NON}pkg${_BLD}${_BLU}] \" \"${PACKAGES[0]}\" \"$((${#PACKAGES[@]}-1))\"
                elif [[ ${#PACKAGES[@]} -gt 2 ]]; then
                        printf \"${_BLD}${_BLU}[${_NON}${_YLW}Guix${_NON}: ${_WHT}%s ${_NON}+ ${_PRP}%d ${_NON}pkgs${_BLD}${_BLU}] \" \"${PACKAGES[0]}\" \"$((${#PACKAGES[@]}-1))\"
                else
                        printf \"${_BLD}${_BLU}[${_NON}${_YLW}Guix${_NON}: ${_WHT}%s${_BLD}${_BLU}] \" \"${PACKAGES[@]}\"
                fi
        fi
}

__prompt() {
        # Get exit code (must be first)
        local PLC=(\"${PIPESTATUS[@]}\")

        # Reset time when prompt was first displayed after command
        # this contributes to the ~40 microsecond difference in $CMD_US and the actual time it took
        if [[ \"$INC_TIME\" != 0 ]]; then 
                PROMPT_RT=\"$EPOCHREALTIME\"
                INC_TIME=0
        fi

        # *_RT may not be set
        LAST_RT=\"${LAST_RT:-$EPOCHREALTIME}\"
        PROMPT_RT=\"${PROMPT_RT:-$EPOCHREALTIME}\"

        # Get relative times

        # Remove decimal point, simulating multiplying by 1 million
        PROMPT_RT1M=\"${PROMPT_RT/.}\"
        PROMPT_RT1M=\"${PROMPT_RT1M/,}\"
        LAST_RT1M=\"${LAST_RT/.}\"
        LAST_RT1M=\"${LAST_RT1M/,}\"

        ((CMD_US=PROMPT_RT1M-LAST_RT1M))

        CMD_TIME=0

        # Divide by 1 million to get a more accurate difference
        ((CMD_TIME=CMD_US/1000000))

        [[ ${#CMD_US} -lt 6 ]] || CMD_US=\"${CMD_US: -6}\"
        ((CMD_US=10#$CMD_US))

        # Set prompt sections

        local SIG
        local COL
        local UHD
        local TIME
        local IND
        local GUIX

        # Text

        # ssh detection and indicator
        [[ \"$SSH_CONNECTION\" ]] && local SSH=\"$(__ssh) \"

        # [INT], [4], etc.
        local RET
        for RET in \"${PLC[@]}\"; do
                if [[ $RET -gt 0 ]]; then
                        SIG=\"$(printf '%s[%s%s%s] ' \"$_BLU\" \"$_RED\" \"$(__sig \"${PLC[@]}\")\" \"$_BLU\")\"
                        break
                fi
        done

        # Guix shell environment
        GUIX=\"$(__guix_env)\"

        # [user@homeserver:~]
        COL=\"$([[ $UID == 0 ]] && printf '%s' \"$_RED\" || printf '%s' \"$_YLW\")\"
        UHD=\"${_BLD}${_BLU}[${COL}\\u${_PRP}@${_CYN}\\h${_PRP}:${_GRN}\\w${_BLU}]\"

        # 2y 351d 12m 43s 382969μs
        TIME=\"${_YLW}$(__get_cmd_time)\"

        # Random colored $ or #
        _RAND256=\"\\[\\033[38;2;$((RANDOM%256));$((RANDOM%256));$((RANDOM%256))m\\]\"
        IND=\"${_RAND256}\\\\$\"

        # Set the prompt
        PS1=\"${_NON}${SSH}${GUIX}${SIG}${UHD} ${TIME} ${IND} ${_NON}\"
}
        
PROMPT_COMMAND=__prompt"))

(define %home:bashrc
  (plain-file "bashrc" "\
# Source other files
[ -r ~/.prompt ] && . ~/.prompt
[ -r ~/.devspec ] && . ~/.devspec
[ -r ~/.config/colorscheme ] && . ~/.config/colorscheme

[ \"$TERM\" == \"screen.linux\" ] && export TERM=\"screen\"

export EDITOR=\"vim\"
export TERM=xterm-256color

# History stuff
export HISTCONTROL=ignoredups:erasedups
export HISTFILESIZE=1000
export HISTSIZE=1000

export GPG_TTY=$(tty)

export MANPATH=/run/current-system/profile/share/man:/home/cobra/.guix-profile/share/man:/run/current-system/profile/share/man:/home/cobra/.guix-home/profile/share/man

clear() {
        printf '\\033c' # faster than ncurses clear by a lot
}

# Other aliases
alias c='clear'
alias ls='ls --color=auto -FAh'
alias ll='ls -l'
alias nf='hyfetch'
alias ga='git add'
alias gc='git commit -sS'
alias gp='git push'
alias mpv='mpv --no-audio-display'
alias wv='swayhide mpv $($PASTE_COMMAND)'
alias curl='curl -L'
alias prof='profanity'
alias gomuks=\"http_proxy='socks5://127.0.0.1:9050' gomuks\"
alias tut=\"http_proxy='socks5://127.0.0.1:9050' tut\"
alias dico=\"dico -d en-wiktionary\"

# Random string (passwords)
randstr() {
        tr -cd '[:graph:]' </dev/urandom | head -c ${1:-256}
}

# Get CPU usage
cpusage() {
        bc<<<\"scale=3;$(ps aux | awk 'BEGIN {sum=0} {sum+=$3}; END {print sum}') / $(nproc --all)\"
}

# Update and upgrade system
update() { eval \"$UPDATE\"; }

# Im too lazy to type
copy() {
        printf \"%s\" \"$(</dev/stdin)\" > >($COPY_COMMAND)
}

# URL-encode stdin
urlencode() {
        LC_COLLATE_OLD=$LC_COLLATE
        LC_COLLATE=C

        local TEXT=\"$(</dev/stdin)\"
        local LENGTH=\"${#TEXT}\"
        for (( i = 0; i < LENGTH; i++ )); do
                local c=\"${TEXT:$i:1}\"
                case $c in
                        [a-zA-Z0-9.~_-]) printf '%s' \"$c\" ;;
                        *) printf '%%%02X' \"'$c\" ;;
                esac
        done
        LC_COLLATE=$LC_COLLATE_OLD
}

diffhome() { find . -type f -regex '\\./\\.[^g].*' -exec diff -q ~/{} {} 2> /dev/null \\;; }

fixdh() {
        diffhome | while read -r _ SRC _ DEST _; do
                cp $SRC $DEST;
        done;
}

strlen() {
        N=$(wc -c <<< \"$*\")
        ((N--))
        printf '%u\\n' \"$N\"
}

uppweb() {
        ssh vern.cc 'cd ~/public_html; git pull'
}

caption() {
        [ -z \"$3\" ] && {
                echo \"Usage: caption [input] [output] [text...]\"
                return 1
        }
        local FILE=\"$1\"
        local OUT=\"$2\"
        shift 2
        local TEXT=\"$*\"
        local WIDTH=\"$(identify -format \"%[w]\\n\" \"$FILE\" | head -n1)\"
        local HEIGHT=\"$(identify -format \"%[h]\\n\" \"$FILE\" | head -n1)\"
        local FONT_SIZE=\"$(((HEIGHT+WIDTH)/20))\"
        convert -gravity north \\( -size \"${WIDTH}x\" -pointsize \"$FONT_SIZE\" -font 'Liberation-Sans-Bold' caption:\"$TEXT\" -gravity Center -extent \"${WIDTH}x\" \\) \"$FILE\" -append \"$OUT\"
}

captionvid() {
        [ -z \"$3\" ] && {
                echo \"Usage: captionvid [input] [output] [text...]\"
                return 1
        }
        rm /tmp/caption.*.png
        FPS=\"$(ffmpeg -i \"$1\" 2>&1 |grep fps | sed 's/.* \\([0-9]\\+\\) fps.*/\\1/')\"
        IN=\"$1\"
        OUT=\"$2\"
        shift 2
        ffmpeg -i \"$IN\" \"/tmp/caption.%02d.png\"
        for i in /tmp/caption.*; do
                caption \"$i\" \"$i-new.png\" \"$*\"
        done
        ffmpeg -framerate $FPS -i \"/tmp/caption.%02d.png-new.png\" \"$OUT\"
        rm /tmp/caption.*.png
}

topbottom() {
        [ -z \"$3\" ] && {
                echo \"Usage: caption [input] [output] [text...]\"
                return 1
        }
        local FILE=\"$1\"
        local OUT=\"$2\"
        shift 2
        local WIDTH=\"$(identify -format \"%[w]\\n\" \"$FILE\" | head -n1)\"
        local HEIGHT=\"$(identify -format \"%[h]\\n\" \"$FILE\" | head -n1)\"
        local FONT_SIZE=\"$(((HEIGHT+WIDTH)/20))\"
        convert -size \"${WIDTH}x\" -stroke black -strokewidth 3 -fill white -pointsize \"$FONT_SIZE\" -font 'Liberation-Sans-Bold' -gravity Center -extent \"${WIDTH}x\" -gravity north \\( -annotate +0+0 \"$1\" \\) -gravity south \\( -annotate +0+0 \"$2\" \\) \"$FILE\" -append \"$OUT\"
}

topbottomvid() {
        [ -z \"$3\" ] && {
                echo \"Usage: captionvid [input] [output] [text...]\"
                return 1
        }
        rm /tmp/caption.*.png
        FPS=\"$(ffmpeg -i \"$1\" 2>&1 |grep fps | sed 's/.* \\([0-9]\\+\\) fps.*/\\1/')\"
        IN=\"$1\"
        OUT=\"$2\"
        shift 2
        ffmpeg -i \"$IN\" \"/tmp/caption.%02d.png\"
        for i in /tmp/caption.*; do
                topbottom \"$i\" \"$i-new.png\" \"$1\" \"$2\"
        done
        ffmpeg -framerate $FPS -i \"/tmp/caption.%02d.png-new.png\" \"$OUT\"
        rm /tmp/caption.*.png
}

subcipher() {
        local COLOR PERM L1 line grep word
        if [ $# -lt 3 ]; then
                if [ $# -lt 2 ] || [[ \"$1\" != \"0\" && \"$1\" != \"1\" ]]; then
                        printf \"Usage: [0|1] subcipher file [string...]\\n\"
                        return 1
                fi
        fi
        COLOR=\"$1\"
        shift
        PERM=\"$1\"
        shift
        [ -z \"$*\" ] && set -- \"$(</dev/stdin)\"
        L1=\"$(head -1 \"$PERM\")\"
        while read -r line; do 
                tr \"${L1^^}${L1}\" \"${line^^}${line}\" <<< \"$*\"
        done < \"$PERM\" | \
        while read -r line; do
                for word in $line; do
                        [ $COLOR -eq 1 ] && grep=\"$(grep --color=always -xF \"$word\" /etc/dictionaries-common/words)\"
                        printf %s \"${grep:-$word} \"
                done
                printf '\\n'
        done
}

playcd() {
        mpv --start=00:00:00.0000000 av://libcdio:/dev/cdrom --cache=yes
}

playdvd() {
        mpv --start=00:00:00.0000000 dvd:///dev/sr0 --cache=yes
}

gpginfo() {
        gpg --with-colons --import-options show-only --import
}

lc() {
        fc -nl $HISTCMD | sed 's/^\\s*//'
}

baseto() {
        if [ $# -ge 3 ]; then
                local i=\"$1\"
                local o=\"$2\"
                shift 2
                bc <<< \"obase=$o;$(($i#$*))\"
        else
                local line i o n
                while read -r line; do
                        read -r i o n <<< \"$line\"
                        bc <<< \"obase=$o;$(($i#$n))\"
                done
        fi
}

rebash() { . ~/.bashrc; }
bashrc() { \"$EDITOR\" ~/.bashrc && rebash; }

uplot() {
        ssh vern \"${1:-/opt/gnuplot/users/gnuplot.sh}; cat /opt/gnuplot/users/${1:-$(date -u -I)}.svg\" > ${1:-$(date -u -I)}.svg
}


mnplot() {
        ssh mythos \"${1:-/opt/gnuplot/gnuplot.sh}; cat /opt/gnuplot/${1:-$(date -u -I)}.svg\" > ${1:-$(date -u -I)}.svg
}

vnplot() {
        ssh vern \"${1:-/opt/gnuplot/net/gnuplot.sh}; cat /opt/gnuplot/net/${1:-$(date -u -I)}.svg\" > ${1:-$(date -u -I)}.svg
}

vpplot() {
        ssh vern \"${1:-/opt/gnuplot/power/gnuplot.sh}; cat /opt/gnuplot/power/${1:-$(date -u -I)}.svg\" > ${1:-$(date -u -I)}.svg
}

inplot() {
        ssh iceberg \"${1:-~/gnuplot/gnuplot.sh}; cat ~/gnuplot/${1:-$(date -u -I)}.svg\" > ${1:-$(date -u -I)}.svg
}

cnplot() {
        ssh crescent \"${1:-/opt/gnuplot/net/gnuplot.sh}; cat /opt/gnuplot/net/${1:-$(date -u -I)}.svg\" > ${1:-$(date -u -I)}.svg
}

cpplot() {
        ssh crescent \"${1:-/opt/gnuplot/power/gnuplot.sh}; cat /opt/gnuplot/power/${1:-$(date -u -I)}.svg\" > ${1:-$(date -u -I)}.svg
}

reconf() {
        $PRIV guix system reconfigure /etc/guix-config/${HOSTNAME,,}.scm
}

hreconf() {
        guix home reconfigure $HOME/.config/guix/home.scm
}

geng() {
        < \"$1\" sed 's/\\s*;.*//' | grep -ve '^$' -e '^T' | awk '{print \"N\"NR\" \"$0}' > \"$2\"
}

mkmshex() {
        FILE=\"${1%.*}\"
        microscheme \"$1\"
        avr-gcc -B /run/current-system/profile/avr/lib/avr5 -mmcu=\"$2\" -g -Os \"$FILE\".s -o \"$FILE\".elf
        avr-objcopy -Oihex \"$FILE\".o \"$FILE\".hex
}

uploadhex() {
        avrdude -C/run/current-system/profile/etc/avrdude.conf -v -p\"$2\" -carduino -P${3:-/dev/ttyS0} -U\"flash:w:$1:i\"
}

gshpkg() {
        local re='[\\(]?\\(\"([^\"]*)\"'
        if [[ \"$GUIX_ENVIRONMENT\" ]]; then
                local PACKAGES=($(while read -r line; do
                                [[ \"$line\" =~ $re ]] && printf '%s ' \"${BASH_REMATCH[1]}\"
                        done < $GUIX_ENVIRONMENT/manifest))
                echo ${PACKAGES[@]}
        fi
}"))