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fet.sh - dotfiles - These are my dotfiles. There are many like it, but these ar… |
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--- |
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fet.sh (7119B) |
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--- |
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1 #!/bin/sh |
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2 # |
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3 # fet.sh |
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4 # a fetch in pure POSIX shell |
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5 # |
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6 |
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7 # supress errors |
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8 exec 2>/dev/null |
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9 set -- |
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10 eq() { # equals | [ a = b ] with globbing |
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11 case $1 in |
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12 $2) ;; |
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13 *) return 1;; |
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14 esac |
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15 } |
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16 |
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17 ## DE |
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18 wm=$XDG_CURRENT_DESKTOP |
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19 [ "$wm" ] || wm=$DESKTOP_SESSION |
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20 |
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21 ## Distro |
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22 # freedesktop.org/software/systemd/man/os-release.html |
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23 # a common file that has variables about the distro |
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24 for os in /etc/os-release /usr/lib/os-release; do |
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25 # some POSIX shells exit when trying to source a file that doesn… |
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26 [ -f $os ] && . $os && break |
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27 done |
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28 |
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29 if [ -e /proc/$$/comm ]; then |
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30 ## Terminal |
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31 while [ ! "$term" ]; do |
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32 # loop over lines in /proc/pid/status until it reaches P… |
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33 # then save that to a variable and exit the file |
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34 while read -r line; do |
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35 eq "$line" 'PPid*' && ppid=${line##*:?} && break |
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36 done < "/proc/${ppid:-$PPID}/status" |
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37 |
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38 # Make sure not to do an infinite loop |
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39 [ "$pppid" = "$ppid" ] && break |
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40 pppid=$ppid |
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41 |
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42 # get name of binary |
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43 read -r name < "/proc/$ppid/comm" |
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44 |
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45 case $name in |
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46 *sh|"${0##*/}") ;; # skip shells |
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47 *[Ll]ogin*|*init|*systemd*) break;; # exit when… |
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48 # anything else can be assumed to be the terminal |
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49 # this has the side affect of catching tmux, but… |
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50 # detaches from the terminal and therefore ignor… |
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51 # will just make the init the term |
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52 *) term=$name |
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53 esac |
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54 done |
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55 |
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56 ## WM/DE |
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57 [ "$wm" ] || |
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58 # loop over all processes and check the binary name |
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59 for i in /proc/*/comm; do |
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60 read -r c < "$i" |
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61 case $c in |
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62 *bar*|*rc) ;; |
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63 awesome|xmonad*|qtile|sway|i3|[bfo]*box|… |
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64 esac |
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65 done |
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66 |
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67 ## Memory |
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68 # loop over lines in /proc/meminfo until it reaches MemTotal, |
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69 # then convert the amount (second word) from KB to MB |
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70 while read -r line; do |
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71 eq "$line" 'MemTotal*' && set -- $line && break |
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72 done < /proc/meminfo |
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73 mem="$(( $2 / 1000 ))MB" |
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74 |
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75 ## Processor |
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76 while read -r line; do |
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77 case $line in |
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78 vendor_id*) vendor="${line##*: } ";; |
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79 model\ name*) cpu=${line##*: }; break;; |
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80 esac |
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81 done < /proc/cpuinfo |
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82 |
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83 ## Uptime |
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84 # the simple math is shamefully stolen from aosync |
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85 IFS=. read -r uptime _ < /proc/uptime |
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86 d=$((uptime / 60 / 60 / 24)) |
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87 up=$(printf %02d:%02d $((uptime / 60 / 60 % 24)) $((uptime / 60 … |
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88 [ "$d" -gt 0 ] && up="${d}d $up" |
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89 |
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90 ## Kernel |
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91 read -r _ _ version _ < /proc/version |
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92 kernel=${version%%-*} |
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93 eq "$version" '*Microsoft*' && ID="fake $ID" |
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94 |
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95 ## Motherboard // laptop |
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96 read -r model < /sys/devices/virtual/dmi/id/product_name |
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97 # invalid model handling |
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98 case $model in |
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99 # alternate file with slightly different info |
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100 # on my laptop it has the device model (instead of 'hp n… |
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101 # on my desktop it has the extended motherboard model |
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102 'System '*|'Default '*|'To Be Filled'*) |
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103 read -r model < /sys/devices/virtual/dmi/id/boar… |
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104 esac |
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105 |
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106 ## Packages |
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107 # clean environment, then make every file in the dir an argument, |
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108 # then save the argument count to $pkgs |
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109 set -- |
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110 # kiss, arch, debian, void, gentoo |
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111 for i in '/var/db/kiss/installed/*' '/var/lib/pacman/local/[0-9… |
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112 '/var/lib/dpkg/info/*.list' '/var/db/xbps/.*' '/var/db/pkg/*/*… |
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113 set -- $i |
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114 [ $# -gt 1 ] && pkgs=$# && break |
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115 done |
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116 |
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117 read -r host < /proc/sys/kernel/hostname |
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118 elif [ -f /var/run/dmesg.boot ]; then |
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119 # Both OpenBSD and FreeBSD use this file, however they're format… |
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120 read -r bsd < /var/run/dmesg.boot |
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121 case $bsd in |
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122 Open*) |
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123 ## OpenBSD cpu/mem/name |
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124 while read -r line; do |
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125 case $line in |
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126 'real mem'*) |
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127 # use the pre-formatted value wh… |
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128 mem=${line##*\(} |
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129 mem=${mem%\)*} |
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130 ;; |
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131 # set $cpu to everything before a comma … |
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132 cpu0:*) |
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133 cpu=${line#cpu0: } |
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134 # Remove excess info after the a… |
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135 cpu=${cpu%%,*} |
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136 # Set the CPU Manufacturer to th… |
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137 # variable [separated by '(' or … |
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138 vendor=${cpu%%[\( ]*} |
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139 # We got all the info we want, s… |
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140 break |
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141 ;; |
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142 # First 2 words in the file are OpenBSD … |
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143 *) [ "$ID" ] || { set -- $line; ID="$1 $… |
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144 esac |
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145 done < /var/run/dmesg.boot |
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146 [ -d /var/db/pkg ] && set -- /var/db/pkg/* && pkgs=$# |
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147 read -r host < /etc/myname |
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148 host=${host%.*} |
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149 ;; |
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150 # Everything else, assume FreeBSD (first line is ---<<BOOT>> or … |
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151 *) |
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152 # shellcheck source=/dev/null |
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153 . /etc/rc.conf |
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154 # shut shellcheck up without disabling the warning |
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155 host=${hostname:-} |
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156 |
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157 while read -r line; do |
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158 case $line in |
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159 # os version |
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160 FreeBSD*) |
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161 # If the OS is already set, no n… |
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162 [ "$ID" ] && continue |
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163 ID=${line%%-R*} |
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164 ;; |
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165 |
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166 CPU:*) |
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167 cpu=${cpu#CPU: } |
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168 # Remove excess info from after … |
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169 cpu=${line%\(*} |
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170 ;; |
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171 *Origin=*) |
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172 # CPU Manufacturer |
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173 vendor=${line#*Origin=\"} |
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174 vendor="${vendor%%\"*} " |
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175 ;; |
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176 |
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177 'real memory'*) |
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178 # Get the pre-formatted amount w… |
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179 mem=${line##*\(} |
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180 mem=${mem%\)*} |
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181 # This appears to be the final t… |
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182 # no need to read it more. |
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183 break |
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184 esac |
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185 done < /var/run/dmesg.boot |
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186 ;; |
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187 esac |
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188 elif v=/System/Library/CoreServices/SystemVersion.plist; [ -f "$v" ]; th… |
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189 ## Macos |
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190 # make sure this variable is empty as to not break the following… |
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191 temp= |
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192 while read -r line; do |
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193 case $line in |
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194 # set a variable so the script knows it's on the… |
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195 # (the line after this one is the important one) |
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196 *ProductVersion*) temp=.;; |
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197 *) |
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198 # check if the script is reading the der… |
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199 # don't do anything |
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200 [ "$temp" ] || continue |
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201 # Remove everything before and including… |
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202 ID=${line#*>} |
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203 # Remove the other side of the XML tag, … |
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204 ID="MacOS ${ID%<*}" |
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205 # We got the info we want, end the loop. |
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206 break |
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207 esac |
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208 done < "$v" |
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209 fi |
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210 |
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211 eq "$0" '*fetish' && printf 'Step on me daddy\n' && exit |
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212 |
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213 # help i dont know if it's a capital consistently |
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214 eq "$wm" '*[Gg][Nn][Oo][Mm][Ee]*' && wm='foot DE' |
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215 |
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216 ## GTK |
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217 while read -r line; do |
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218 eq "$line" 'gtk-theme*' && gtk=${line##*=} && break |
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219 done < "${XDG_CONFIG_HOME:=$HOME/.config}/gtk-3.0/settings.ini" |
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220 |
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221 # Shorten $cpu and $vendor |
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222 # this is so messy due to so many inconsistencies in the model names |
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223 vendor=${vendor##*Authentic} |
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224 vendor=${vendor##*Genuine} |
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225 cpu=${cpu##*) } |
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226 cpu=${cpu%% @*} |
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227 cpu=${cpu%% CPU} |
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228 cpu=${cpu##CPU } |
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229 cpu=${cpu##*AMD } |
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230 cpu=${cpu%% with*} |
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231 cpu=${cpu% *-Core*} |
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232 |
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233 col() { |
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234 printf ' ' |
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235 for i in 1 2 3 4 5 6; do |
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236 printf '\033[9%sm%s' "$i" "${colourblocks:-▅▅}" |
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237 done |
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238 printf '\033[0m\n' |
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239 } |
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240 |
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241 print() { |
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242 [ "$2" ] && printf '\033[9%sm%6s\033[0m%b%s\n' \ |
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243 "${accent:-4}" "$1" "${separator:- ~ }" "$2" |
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244 } |
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245 |
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246 # default value |
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247 : "${info:=n user os sh wm up gtk cpu mem host kern pkgs term col n}" |
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248 |
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249 for i in $info; do |
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250 case $i in |
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251 n) echo;; |
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252 os) print os "$ID";; |
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253 sh) print sh "${SHELL##*/}";; |
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254 wm) print wm "${wm##*/}";; |
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255 up) print up "$up";; |
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256 gtk) print gtk "${gtk# }";; |
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257 cpu) print cpu "$vendor$cpu";; |
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258 mem) print mem "$mem";; |
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259 host) print host "$model";; |
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260 kern) print kern "$kernel";; |
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261 pkgs) print pkgs "$pkgs";; |
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262 term) print term "$term";; |
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263 user) printf '%7s@%s\n' "$USER" "$host";; |
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264 col) col;; |
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265 esac |
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266 done |
