Don't use project dir or default_lua_version with --force-config (#1054)

Fixes #1045.

2 files changed, 11 insertions, 2 deletions

diff --git a/src/luarocks/cmd.lua b/src/luarocks/cmd.lua
index 08505129..4397ffbd 100644
--- a/src/luarocks/cmd.lua
+++ b/src/luarocks/cmd.lua
@@ -13,6 +13,11 @@ local dir = require("luarocks.dir")
 local fun = require("luarocks.fun")
 local fs = require("luarocks.fs")
 
+local hc_ok, hardcoded = pcall(require, "luarocks.core.hardcoded")
+if not hc_ok then
+   hardcoded = {}
+end
+
 local program = util.this_program("luarocks")
 
 cmd.errorcodes = {
@@ -189,6 +194,10 @@ do
       end
    
       local function find_default_lua_version(flags, project_dir)
+         if hardcoded.FORCE_CONFIG then
+            return nil
+         end
+
          local dirs = {}
          if project_dir then
             table.insert(dirs, dir.path(project_dir, ".luarocks"))
diff --git a/src/luarocks/core/cfg.lua b/src/luarocks/core/cfg.lua
index d8442962..8c11d408 100644
--- a/src/luarocks/core/cfg.lua
+++ b/src/luarocks/core/cfg.lua
@@ -561,7 +561,7 @@ function cfg.init(detected, warning)
    local lua_incdir = detected.lua_incdir or hardcoded.LUA_INCDIR
    local lua_libdir = detected.lua_libdir or hardcoded.LUA_LIBDIR
    local lua_dir = detected.lua_dir or hardcoded.LUA_DIR or (lua_bindir and lua_bindir:gsub("[\\/]bin$", ""))
-   local project_dir = detected.project_dir
+   local project_dir = (not hardcoded.FORCE_CONFIG) and detected.project_dir
    
    local init = cfg.init
 
@@ -695,7 +695,7 @@ function cfg.init(detected, warning)
    ----------------------------------------
 
    -- Settings detected or given via the CLI (i.e. --lua-dir) take precedence over config files:
-   cfg.project_dir = detected.project_dir
+   cfg.project_dir = project_dir
    cfg.lua_version = detected.lua_version or cfg.lua_version
    cfg.luajit_version = detected.luajit_version or cfg.luajit_version
    cfg.lua_interpreter = detected.lua_interpreter or cfg.lua_interpreter