Merge branch 'develop-1.8' into master-1.8

sys/modules/opus/git.lua

@@ -0,0 +1,67 @@
+local json = require('opus.json')
+local Util = require('opus.util')
+
+local TREE_URL = 'https://api.github.com/repos/%s/%s/git/trees/%s?recursive=1'
+local FILE_URL = 'https://raw.githubusercontent.com/%s/%s/%s/%s'
+local git = { }
+
+if _G._GIT_API_KEY then
+	TREE_URL = TREE_URL .. '&access_token=' .. _G._GIT_API_KEY
+end
+
+local fs = _G.fs
+local os = _G.os
+
+function git.list(repository)
+	local t = Util.split(repository, '(.-)/')
+
+	local user = table.remove(t, 1)
+	local repo = table.remove(t, 1)
+	local branch = table.remove(t, 1) or 'master'
+	local path
+
+	if not Util.empty(t) then
+		path = table.concat(t, '/') .. '/'
+	end
+
+	local function getContents()
+		local dataUrl = string.format(TREE_URL, user, repo, branch)
+		local contents = Util.download(dataUrl)
+		if contents then
+			return json.decode(contents)
+		end
+	end
+
+	local data = getContents() or error('Invalid repository')
+
+	if data.message and data.message:find("API rate limit exceeded") then
+		error("Out of API calls, try again later")
+	end
+
+	if data.message and data.message == "Not found" then
+		error("Invalid repository")
+	end
+
+	local list = { }
+	for _,v in pairs(data.tree) do
+		if v.type == "blob" then
+			v.path = v.path:gsub("%s","%%20")
+			if not path then
+				list[v.path] = {
+					url = string.format(FILE_URL, user, repo, branch, v.path),
+					size = v.size,
+				}
+			elseif Util.startsWith(v.path, path) then
+				local p = string.sub(v.path, #path)
+				list[p] = {
+					url = string.format(FILE_URL, user, repo, branch, path .. p),
+					size = v.size,
+				}
+			end
+		end
+	end
+
+	return list
+end
+
+return git