From 5cdb4e421a809de51c3ebe8404e50d732721238b Mon Sep 17 00:00:00 2001
From: Akshay <nerdy@peppe.rs>
Date: Sun, 26 Sep 2021 21:26:36 +0530
Subject: init

---
 scripts/battery.nix | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 scripts/default.nix | 26 +++++++++++++++++++++++
 scripts/record.nix  | 33 +++++++++++++++++++++++++++++
 scripts/up.nix      | 24 +++++++++++++++++++++
 scripts/webcam.nix  |  5 +++++
 5 files changed, 148 insertions(+)
 create mode 100644 scripts/battery.nix
 create mode 100644 scripts/default.nix
 create mode 100644 scripts/record.nix
 create mode 100644 scripts/up.nix
 create mode 100644 scripts/webcam.nix

(limited to 'scripts')

diff --git a/scripts/battery.nix b/scripts/battery.nix
new file mode 100644
index 0000000..e75116b
--- /dev/null
+++ b/scripts/battery.nix
@@ -0,0 +1,60 @@
+
+{ pkgs, ...}:
+
+let
+  name = "bat";
+in
+  pkgs.writeScriptBin name
+  ''
+    red="\e[31m"
+    grn="\e[32m"
+    ylw="\e[33m"
+    cyn="\e[36m"
+    blu="\e[34m"
+    prp="\e[35m"
+    bprp="\e[35;1m"
+    rst="\e[0m"
+
+    bat_status=""
+    bat_status=$( cat /sys/class/power_supply/BAT0/capacity )
+    charging_status=$( cat /sys/class/power_supply/BAT0/status )
+
+    health() {
+    for i in {0..4}
+    do
+        if [[ $i -le $(( $bat_status/20 )) ]]; then
+            echo -ne "#[fg=colour1]· "
+        else
+            echo -ne "#[fg=colour8]· "
+        fi
+    done
+    echo
+    }
+
+    bat_status_small() {
+    if [[ "$charging_status" = *Charging* ]]; then
+        echo -ne "+$bat_status%"
+    else
+        echo -ne "$bat_status%"
+    fi
+    }
+
+    [ -z "$1" ] && {
+    bat_status_small
+    }
+
+    while getopts qi options 
+    do
+    case $options in
+        i)
+            bat_status_small
+            ;;
+        q)
+            if [[ "$charging_status" = *Charging* ]]; then
+                echo -ne "+ $(health)"
+            else
+                health
+            fi
+    esac
+    done
+  ''
diff --git a/scripts/default.nix b/scripts/default.nix
new file mode 100644
index 0000000..84fcff3
--- /dev/null
+++ b/scripts/default.nix
@@ -0,0 +1,26 @@
+{ pkgs, ... }:
+
+let 
+
+  # open a window with live video feed from the camera
+  webcam = pkgs.writeScriptBin "webcam" ''
+    ${pkgs.mpv}/bin/mpv av://v4l2:/dev/video0 --profile=low-latency --untimed
+  '';
+
+  # set git repo descriptions on cgit
+  git-set-desc = pkgs.writeScriptBin "git-set-desc" ''
+    remote=$(git remote get-url --push origin)
+    scp .git/description "$remote/description"
+    '';
+
+  # screen record with ffmpeg and slop
+  record = import ./record.nix pkgs;
+
+  # file uploader
+  uploader = import ./up.nix pkgs;
+
+  # battery script
+  battery = import ./battery.nix pkgs;
+
+in
+  [ webcam git-set-desc record uploader battery ]
diff --git a/scripts/record.nix b/scripts/record.nix
new file mode 100644
index 0000000..d5bfff5
--- /dev/null
+++ b/scripts/record.nix
@@ -0,0 +1,33 @@
+{ pkgs, ...}:
+
+let
+  name = "record";
+  slop = "${pkgs.slop}/bin/slop";
+  ffmpeg = "${pkgs.ffmpeg}/bin/ffmpeg";
+in
+  pkgs.writeScriptBin name
+  ''
+    echo starting recording ...
+    coords=$(${slop} -f "%x %y %w %h %g %i") || exit 1
+    read -r X Y W H G ID < <(echo $coords)
+    ${ffmpeg} \
+      -f x11grab \
+      -s "$W"x"$H" \
+      -i :0.0+$X,$Y  \
+      -f alsa \
+      -thread_queue_size 512 \
+      -ac 2 \
+      -ar 48000 \
+      -i hw:0 \
+      -framerate 60 \
+      -vcodec libx264 \
+      -threads 4 \
+      -y \
+      /home/np/tmp/x.mkv
+
+    ${ffmpeg} \
+      -i /home/np/tmp/x.mkv \
+      -pix_fmt yuv420p \
+      -vf scale=-2:1080 \
+      "/home/np/vids/rec/$1"
+  ''
diff --git a/scripts/up.nix b/scripts/up.nix
new file mode 100644
index 0000000..c4f7c7a
--- /dev/null
+++ b/scripts/up.nix
@@ -0,0 +1,24 @@
+{ pkgs, ... }:
+let
+  name = "up";
+  xclip = "${pkgs.xclip}/bin/xclip";
+in
+pkgs.writeScriptBin name
+  ''
+    id=$( cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 3 | head -n 1 )
+
+    if [ $# != 1 ]; then
+        echo "needs an arg"
+    else
+        if [ -f "$1" ]; then
+            ext="''${1##*.}"
+            id="$id.$ext"
+            scp "$1" ferrn:~/www/nerd/uploads/"$id"
+            echo "https://u.peppe.rs/$id"
+            echo "https://u.peppe.rs/$id" | ${xclip} -selection clipboard
+            echo "https://u.peppe.rs/$id" | ${xclip} -i
+        else
+            echo "file does not exist"
+        fi
+    fi
+  ''
diff --git a/scripts/webcam.nix b/scripts/webcam.nix
new file mode 100644
index 0000000..0658dab
--- /dev/null
+++ b/scripts/webcam.nix
@@ -0,0 +1,5 @@
+#! /usr/bin/env bash
+
+mpv av://v4l2:/dev/video0 \
+    --profile=low-latency \
+    --untimed \
-- 
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