Add support for auto_user_* and auto_group_*

1 files changed, 36 insertions, 1 deletions

diff --git a/lib/gitano/lace.lua b/lib/gitano/lace.lua
index 53fe53e..2376cc8 100644
--- a/lib/gitano/lace.lua
+++ b/lib/gitano/lace.lua
@@ -11,6 +11,34 @@ local log = require 'gitano.log'
 
 local pcre = require "rex_pcre"
 
+local function flatten_name(n)
+   return n:gsub("[^A-Za-z0-9]", "_")
+end
+local function generate_automatics(ctx)
+   local config = ctx.repo.config
+   local automatics = {}
+   for u in pairs(config.users) do
+      automatics["user_" .. flatten_name(u)] = "user " .. u
+   end
+   for g in pairs(config.groups) do
+      automatics["group_" .. flatten_name(g)] = "group " .. g
+   end
+   local ret = {}
+   for k, v in pairs(automatics) do
+      ret[#ret+1] = "define auto_" .. k .. " " .. v
+   end
+   ret[#ret+1] = "\n"
+   return table.concat(ret,"\n")
+end
+
+local global_lookaside = {
+   ["_automatics"] = generate_automatics,
+   ["_basis"] = [[
+include global:_automatics
+include global:core
+]]
+}
+
 local function _loader(ctx, _name)
    local global_name = _name:match("^global:(.+)$")
    local name, tree, sha = global_name or _name
@@ -25,6 +53,13 @@ local function _loader(ctx, _name)
       end
    else
       -- Global load
+      if global_lookaside[global_name] then
+	 local resolved = global_lookaside[global_name]
+	 if type(resolved) == "function" then
+	    resolved = resolved(ctx)
+	 end
+	 return "global_lookaside::" .. global_name, resolved
+      end
       if not ctx.global_tree then
 	 ctx.global_tree = gall.tree.flatten(ctx.global.content.tree.content)
       end
@@ -192,7 +227,7 @@ local function compile_ruleset(repo, adminsha, globaladminsha)
       compcontext.global = repo.config.repo.git:get(globaladminsha)
    end
 
-   return lace.compiler.compile(compcontext, "global:core")
+   return lace.compiler.compile(compcontext, "global:_basis")
 end
 
 local function run_ruleset(ruleset, ctx)