From 2fbe60f72e8c5b30cc786b3d1382bf2c0556671e Mon Sep 17 00:00:00 2001
From: Roman Heinrich <roman.heinrich@gmail.com>
Date: Fri, 11 Oct 2013 10:13:55 +0200
Subject: [PATCH] sh_script

---
 sh/pull | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 sh/pull

diff --git a/sh/pull b/sh/pull
new file mode 100644
index 0000000..f98d2ae
--- /dev/null
+++ b/sh/pull
@@ -0,0 +1,57 @@
+#!/usr/bin/env ruby
+##### inspired by:
+## http://code.dimilow.com/git-subtree-notes-and-workflows/
+
+if ARGV[0]
+  PROJECTS = []
+  PROJECTS << ARGV[0]
+else
+  PROJECTS = File.read("projects.txt").split("\n").sort_by{|x| x.downcase}
+end
+
+def remote_name(git_url)
+  "remote_#{git_url.split("/").last[0..-5]}"
+end
+
+def name(git_url)
+  path = git_url.split("//").last
+  path = path.gsub(/\.git$/, "")
+end
+
+def add_remote(git_url)
+  cmd = "git remote add #{remote_name(git_url)} #{git_url}"
+  execute(cmd)
+end
+
+def add_project(git_url)
+  ensure_folder_exists(git_url)
+  cmd =  "git subtree add --prefix=#{name(git_url)} --squash #{git_url} master"
+  execute(cmd)
+end
+
+def ensure_folder_exists(git_url)
+  cmd =  "mkdir -p #{File.dirname(name(git_url))}"
+  execute(cmd)
+end
+
+def update_project(git_url)
+  cmd = "git subtree pull --prefix #{name(git_url)} --squash #{git_url} master"
+  execute(cmd)
+end
+
+def handle_project(git_url)
+  if File.exist?(name(git_url))
+    update_project(git_url)
+  else
+    add_remote(git_url)
+    add_project(git_url)
+  end
+end
+
+def execute(cmd)
+  `#{cmd}`
+  # puts cmd
+end
+
+### update projects
+PROJECTS.each do |p| handle_project(p) end