From 5ffd5328dbe8e00718ca229b8a113fd617c5dfd1 Mon Sep 17 00:00:00 2001
From: Katharina Fey <kookie@spacekookie.de>
Date: Tue, 9 Mar 2021 21:18:38 +0100
Subject: [PATCH] timelapse: initial code dump

---
 apps/timelapse/.projectile  |  0
 apps/timelapse/default.nix  | 18 ++++++++++++++++++
 apps/timelapse/timelapse.rb | 13 +++++++++++++
 3 files changed, 31 insertions(+)
 create mode 100644 apps/timelapse/.projectile
 create mode 100644 apps/timelapse/default.nix
 create mode 100755 apps/timelapse/timelapse.rb

diff --git a/apps/timelapse/.projectile b/apps/timelapse/.projectile
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/apps/timelapse/default.nix b/apps/timelapse/default.nix
new file mode 100644
index 00000000000..8adc4ef0620
--- /dev/null
+++ b/apps/timelapse/default.nix
@@ -0,0 +1,18 @@
+with import <nixpkgs> {};
+
+stdenv.mkDerivation {
+  name = "timelapse";
+  src = ./.;
+
+  buildInputs = with pkgs; [ ruby gphoto2 ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp timelapse.rb $out/bin/timelapse
+  '';
+  
+  meta = with lib; {
+    description = "A small tool to capture timelapse series with gphoto";
+  };
+}
+
diff --git a/apps/timelapse/timelapse.rb b/apps/timelapse/timelapse.rb
new file mode 100755
index 00000000000..aa6b6b3106a
--- /dev/null
+++ b/apps/timelapse/timelapse.rb
@@ -0,0 +1,13 @@
+#!/usr/bin/env ruby
+
+# A function to capture a picture with gphoto2, retrying 3-times in
+# case of errors.
+def capture_picture
+  3.times do
+    break if `gphoto2 --capture-image` == 0
+    puts "Retrying gphoto2 capture..."
+  end
+end
+
+
+capture_picture