Add config file format link in `luarocks help config`

Closes #280.

2 files changed, 7 insertions, 0 deletions

diff --git a/src/luarocks/cmd/config.lua b/src/luarocks/cmd/config.lua
index b68f7898..e18ab0b8 100644
--- a/src/luarocks/cmd/config.lua
+++ b/src/luarocks/cmd/config.lua
@@ -21,6 +21,10 @@ config_cmd.help = [[
 
 --rock-trees     Rocks trees in use. First the user tree, then the system tree.
 ]]
+config_cmd.help_see_also = [[
+        https://github.com/luarocks/luarocks/wiki/Config-file-format
+        for detailed information on the LuaRocks config file format.
+]]
 
 local function config_file(conf)
    print(dir.normalize(conf.file))
diff --git a/src/luarocks/cmd/help.lua b/src/luarocks/cmd/help.lua
index d58fdcc0..18620b9e 100644
--- a/src/luarocks/cmd/help.lua
+++ b/src/luarocks/cmd/help.lua
@@ -108,6 +108,9 @@ function help.command(flags, command)
          print_section("DESCRIPTION")
          util.printout("",(cmd.help:gsub("\n","\n\t"):gsub("\n\t$","")))
          print_section("SEE ALSO")
+         if cmd.help_see_also then
+            util.printout(cmd.help_see_also)
+         end
          util.printout("","'"..program.." help' for general options and configuration.\n")
       else
          return nil, "Unknown command: "..command