From e33012246571c7e19077b99b934e34bbb8115607 Mon Sep 17 00:00:00 2001
From: rnhmjoj <rnhmjoj@inventati.org>
Date: Sat, 26 Jan 2019 18:51:26 +0100
Subject: [PATCH] add new scripts

---
 scripts/beep-charlie   |  8 ++++++
 scripts/brightness     | 56 +++++++++++++++----------------------
 scripts/colors         | 18 ++++++++++++
 scripts/fetch          | 40 +++++++++++++++++++++++++++
 scripts/lines          | 10 +++++++
 scripts/make-raspi-img | 63 ++++++++++++++++++++++++++++++++++++++++++
 scripts/redshift-acpi  | 30 ++++++++++++++++++++
 scripts/redshift-i2c   | 39 ++++++++++++++++++++++++++
 8 files changed, 230 insertions(+), 34 deletions(-)
 create mode 100755 scripts/beep-charlie
 create mode 100755 scripts/colors
 create mode 100755 scripts/fetch
 create mode 100755 scripts/lines
 create mode 100755 scripts/make-raspi-img
 create mode 100755 scripts/redshift-acpi
 create mode 100755 scripts/redshift-i2c

diff --git a/scripts/beep-charlie b/scripts/beep-charlie
new file mode 100755
index 0000000..45a44a6
--- /dev/null
+++ b/scripts/beep-charlie
@@ -0,0 +1,8 @@
+#!/bin/sh
+head -c 8 /dev/urandom | \
+   hexdump -v -e '/1 "%u\n"' | \
+   awk '{ split("0,3,5,6,7,10,12",a,","); \
+   for (i = 0; i < 1; i+= 0.00011) \
+   printf("%08X\n", 60*sin(450*exp((a[$1 % 8]/12)*log(2))*i)) }' | \
+   xxd -r -p | \
+   aplay -c 1 -f S32_LE -r 48000 -D plug:default
diff --git a/scripts/brightness b/scripts/brightness
index 63ffee7..c51f8fa 100755
--- a/scripts/brightness
+++ b/scripts/brightness
@@ -1,39 +1,27 @@
 #!/bin/sh
 
-# Set brightness for DDC/CI enabled monitors
+# set backlight brightness level
 
-export PATH="/var/setuid-wrappers:$PATH"
+current=$(cat /sys/class/backlight/intel_backlight/brightness)
 
-# monitor i2c device
-device=dev:/dev/i2c-0
-
-# brightness values
-night=35
-transition=45
-daytime=60
-
-
-deref() {
-  eval "echo \$$1"
-}
-
-set_brightness() {
-  sudo ddccontrol $device -r 0x10 -w > /dev/null $1 2>&1
-}
-
-fade_to() {
-  current=$(sudo ddccontrol $device -r 0x10 2> /dev/null | grep -oP '\+/\K[0-9]+')
-  [ $current -gt $1 ] && step=-1 || step=1
-  for i in $(seq $current $step $1); do
-    set_brightness $i
-    sleep 1
-  done
-}
-
-
-if [ $1 = "period-changed" ]; then
-  if ! (lsmod | grep -q "^i2c_dev"); then
-    sudo modprobe i2c-dev
-  fi
-  fade_to $(deref $3)
+if test -z "$1"; then
+  echo $current
+  exit 0
 fi
+
+case "$1" in
+'+' | '-')
+  if test -z "$2"; then
+    echo "missing increment"
+    exit 1
+  fi
+  new=$(("$current" "$1" "$2"))
+;;
+*)
+  echo "invalid argument '$1'"
+  exit 1
+;;
+esac
+
+echo "current: $new"
+echo $new > /sys/class/backlight/intel_backlight/brightness
diff --git a/scripts/colors b/scripts/colors
new file mode 100755
index 0000000..e2186da
--- /dev/null
+++ b/scripts/colors
@@ -0,0 +1,18 @@
+#!/usr/bin/env fish
+
+set colors black red green yellow blue magenta cyan white
+
+function colored
+  set_color -b $argv[1]
+  set_color 181b20
+  echo -n $argv[2]
+  set_color normal
+end
+
+for i in (seq 8)
+  printf "%02d %32s   %02d %40s\n" \
+    (math $i - 1) \
+    (colored $colors[$i] $colors[$i]) \
+    (math $i + 7) \
+    (colored br$colors[$i] "bright "$colors[$i])
+end
diff --git a/scripts/fetch b/scripts/fetch
new file mode 100755
index 0000000..5bd641f
--- /dev/null
+++ b/scripts/fetch
@@ -0,0 +1,40 @@
+#!/usr/bin/env fish
+
+# Outputs colored text
+function color
+  set_color $argv[1]
+  for i in $argv[2..-1]
+    echo -n $i
+  end
+  set_color normal 
+end
+
+
+set cpu_model (awk '/model name/ {print $6; exit}'  /proc/cpuinfo)
+set cpu_freq  (awk '{printf("%.2fHz", $0/1e6)}'     /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq)
+set cpu_temp  (awk '{printf("%dK", $0/1e3+273.15)}' /sys/class/thermal/thermal_zone3/temp)
+
+set gpu_model (lspci | awk -F [][] '/VGA/ {print $4}')
+
+set mem_used  (awk '/Active/   {printf("%.1f", $2/1e6); exit}' /proc/meminfo)
+set mem_tot   (awk '/MemTotal/ {printf("%.1f", $2/1e6); exit}' /proc/meminfo)
+
+set uptime    (awk '{printf("%d:%02d:%02d",($1/60/60/24),($1/60/60%24),($1/60%60))}' /proc/uptime)
+
+set kernel    (uname -sr)
+set os        (awk -F= '/^NAME/ {print $2}' /etc/os-release)
+
+set screen    (xrandr | grep \* | awk '{print $1}')
+set shell     (basename $SHELL)
+
+echo -n \33c
+echo (color blue OS:) $os GNU+$kernel
+echo (color blue CPU:) $cpu_model $cpu_freq [$cpu_temp]
+echo (color blue GPU:) $gpu_model
+echo (color blue RAM:) $mem_used/$mem_tot GB
+echo (color blue Screen:) $screen
+echo (color blue Uptime:) $uptime
+echo (color blue WM:) bspwm
+echo (color blue Shell:) $shell
+echo (color blue Font:) gohufont
+echo
diff --git a/scripts/lines b/scripts/lines
new file mode 100755
index 0000000..2cc973d
--- /dev/null
+++ b/scripts/lines
@@ -0,0 +1,10 @@
+#!/usr/bin/env fish
+
+set char ╱ ╲
+set num (math (tput cols)'*'(tput lines))
+
+set_color yellow
+for i in (seq $num)
+  echo -n $char[(random 1 2)]
+end
+cat -
diff --git a/scripts/make-raspi-img b/scripts/make-raspi-img
new file mode 100755
index 0000000..991c88a
--- /dev/null
+++ b/scripts/make-raspi-img
@@ -0,0 +1,63 @@
+#!/bin/sh
+
+# Packages required
+# dosfstools parted 
+# Can be run on any Linux system
+# loop.max_part=15 must be in kernel cmdline (cmdline.txt for rpi)
+# then reboot
+
+echo "creating image to fit on 2Gb card"
+dd if=/dev/zero of=arch-rpi.img bs=1M count=1850
+
+echo "Partitioning"
+fdisk arch-rpi.img <<EOF
+o
+n
+p
+1
+
++100M
+
+t
+c
+n
+p
+2
+
+
+w
+EOF
+
+sleep 5
+
+losetup -f arch-rpi.img
+sleep 5
+kpartx -a /dev/loop0
+
+echo "Formatting vfat"
+mkfs.vfat /dev/loop0p1
+sleep 5
+mkdir boot
+echo "Mounting boot"
+mount /dev/loop0p1 boot
+echo "Installing"
+
+echo "Formatting ext4"
+mkfs.ext4 /dev/loop0p2
+sleep 5
+mkdir root
+echo "Mounting root"
+mount /dev/loop0p2 root
+
+wget http://archlinuxarm.org/os/ArchLinuxARM-rpi-latest.tar.gz
+echo "Installing"
+bsdtar -xpf ArchLinuxARM-rpi-latest.tar.gz -C root
+sync
+mv root/boot/* boot
+sync
+umount boot root
+losetup -d /dev/loop0p1
+losetup -d /dev/loop0p1
+losetup -d /dev/loop0
+echo "All complete, image arch-rpi.img created, compressing...."
+zip -9 arch-rpi.img.zip arch-rpi.img
diff --git a/scripts/redshift-acpi b/scripts/redshift-acpi
new file mode 100755
index 0000000..8da6097
--- /dev/null
+++ b/scripts/redshift-acpi
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+# Set brightness for laptops backlight
+
+PATH="$HOME/.local/bin:$PATH"
+
+# brightness values
+night=1000
+transition=1500
+daytime=2000
+
+deref() {
+  eval "echo \$$1"
+}
+
+fade_to() {
+  current=$(brightness)
+  echo $current $1
+  step=10
+  [ "$current" -gt "$1" ] && sign=- || sign=+
+  for i in $(seq "$current" "${sign}$step" "$1"); do
+    brightness "$sign" "$step" > /dev/null
+    sleep 1
+  done
+}
+
+
+if [ "$1" = "period-changed" ]; then
+  fade_to "$(deref "$3")"
+fi
diff --git a/scripts/redshift-i2c b/scripts/redshift-i2c
new file mode 100755
index 0000000..63ffee7
--- /dev/null
+++ b/scripts/redshift-i2c
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+# Set brightness for DDC/CI enabled monitors
+
+export PATH="/var/setuid-wrappers:$PATH"
+
+# monitor i2c device
+device=dev:/dev/i2c-0
+
+# brightness values
+night=35
+transition=45
+daytime=60
+
+
+deref() {
+  eval "echo \$$1"
+}
+
+set_brightness() {
+  sudo ddccontrol $device -r 0x10 -w > /dev/null $1 2>&1
+}
+
+fade_to() {
+  current=$(sudo ddccontrol $device -r 0x10 2> /dev/null | grep -oP '\+/\K[0-9]+')
+  [ $current -gt $1 ] && step=-1 || step=1
+  for i in $(seq $current $step $1); do
+    set_brightness $i
+    sleep 1
+  done
+}
+
+
+if [ $1 = "period-changed" ]; then
+  if ! (lsmod | grep -q "^i2c_dev"); then
+    sudo modprobe i2c-dev
+  fi
+  fade_to $(deref $3)
+fi