1 files changed, 83 insertions, 0 deletions
diff --git a/src/luarocks/cmd/path.lua b/src/luarocks/cmd/path.lua
new file mode 100644
index 0000000..ba34655
--- /dev/null
+++ b/src/luarocks/cmd/path.lua
@@ -0,0 +1,83 @@
+
+--- @module luarocks.path_cmd
+-- Driver for the `luarocks path` command.
+local path_cmd = {}
+
+local util = require("luarocks.util")
+local cfg = require("luarocks.core.cfg")
+local fs = require("luarocks.fs")
+
+function path_cmd.add_to_parser(parser)
+   local cmd = parser:command("path", [[
+Returns the package path currently configured for this installation
+of LuaRocks, formatted as shell commands to update LUA_PATH and LUA_CPATH.
+
+On Unix systems, you may run:
+  eval `luarocks path`
+And on Windows:
+  luarocks path > "%temp%\_lrp.bat"
+  call "%temp%\_lrp.bat" && del "%temp%\_lrp.bat"]],
+  util.see_also())
+      :summary("Return the currently configured package path.")
+
+   cmd:flag("--no-bin", "Do not export the PATH variable.")
+   cmd:flag("--append", "Appends the paths to the existing paths. Default is "..
+      "to prefix the LR paths to the existing paths.")
+   cmd:flag("--lr-path", "Prints Lua path components defined by the configured rocks trees " ..
+      "(not formatted as a shell command)")
+   cmd:flag("--lr-cpath", "Prints Lua cpath components defined by the configured rocks trees " ..
+      "(not formatted as a shell command)")
+   cmd:flag("--full", "By default, --lr-path and --lr-cpath only include the paths " ..
+      "derived by the LuaRocks rocks_trees. Using --full includes any other components " ..
+      "defined in your system's package.(c)path, either via the running interpreter's " ..
+      "default paths or via LUA_(C)PATH(_5_x) environment variables (in short, using " ..
+      "--full produces the same lists as shown in the shell outputs of 'luarocks path').")
+   cmd:flag("--lr-bin", "Exports the system path (not formatted as shell command).")
+   cmd:flag("--bin"):hidden(true)
+end
+
+--- Driver function for "path" command.
+-- @return boolean This function always succeeds.
+function path_cmd.command(args)
+   local lr_path, lr_cpath, lr_bin = cfg.package_paths(args.tree)
+   local path_sep = cfg.export_path_separator
+
+   local full_list = ((not args.lr_path) and (not args.lr_cpath) and (not args.lr_bin))
+                     or args.full
+
+   local clean_path = util.cleanup_path(os.getenv("PATH") or "", path_sep, nil, true)
+
+   if full_list then
+      if args.append then
+         lr_path = package.path .. ";" .. lr_path
+         lr_cpath = package.cpath .. ";" .. lr_cpath
+         lr_bin = clean_path .. path_sep .. lr_bin
+      else
+         lr_path =  lr_path.. ";" .. package.path
+         lr_cpath = lr_cpath .. ";" .. package.cpath
+         lr_bin = lr_bin .. path_sep .. clean_path
+      end
+   end
+
+   if args.lr_path then
+      util.printout(util.cleanup_path(lr_path, ';', cfg.lua_version, true))
+      return true
+   elseif args.lr_cpath then
+      util.printout(util.cleanup_path(lr_cpath, ';', cfg.lua_version, true))
+      return true
+   elseif args.lr_bin then
+      util.printout(util.cleanup_path(lr_bin, path_sep, nil, true))
+      return true
+   end
+
+   local lpath_var, lcpath_var = util.lua_path_variables()
+
+   util.printout(fs.export_cmd(lpath_var, util.cleanup_path(lr_path, ';', cfg.lua_version, args.append)))
+   util.printout(fs.export_cmd(lcpath_var, util.cleanup_path(lr_cpath, ';', cfg.lua_version, args.append)))
+   if not args.no_bin then
+      util.printout(fs.export_cmd("PATH", util.cleanup_path(lr_bin, path_sep, nil, args.append)))
+   end
+   return true
+end
+
+return path_cmd