1 files changed, 14 insertions, 4 deletions

diff --git a/src/luarocks/cmd/doc.tl b/src/luarocks/cmd/doc.tl
index 37eb2518..9e7bee2a 100644
--- a/src/luarocks/cmd/doc.tl
+++ b/src/luarocks/cmd/doc.tl
@@ -16,6 +16,7 @@ local download = require("luarocks.download")
 local type Parser = require("luarocks.vendor.argparse").Parser
 
 local type Args = require("luarocks.core.types.args").Args
+local type Rockspec = require("luarocks.core.types.rockspec").Rockspec
 
 function doc.add_to_parser(parser:  Parser)
    local cmd = parser:command("doc", "Show documentation for an installed rock.\n\n"..
@@ -45,17 +46,26 @@ local function show_homepage(homepage: string, name: string, namespace: string,
 end
 
 local function try_to_open_homepage(name: string, namespace: string, version: string): boolean, string
-   local temp_dir, err = fs.make_temp_dir("doc-"..name.."-"..(version or ""))
+   local temp_dir, err: string, string
+   temp_dir, err = fs.make_temp_dir("doc-"..name.."-"..(version or ""))
    if not temp_dir then
       return nil, "Failed creating temporary directory: "..err
    end
+
    util.schedule_function(fs.delete, temp_dir)
-   local ok, err = fs.change_dir(temp_dir)
+
+   local ok: boolean
+   ok, err = fs.change_dir(temp_dir)
    if not ok then return nil, err end
-   local filename, err = download.download_file("rockspec", name, namespace, version)
+
+   local filename: string
+   filename, err = download.download_file("rockspec", name, namespace, version)
    if not filename then return nil, err end
-   local rockspec, err = fetch.load_local_rockspec(filename)
+
+   local rockspec: Rockspec
+   rockspec, err = fetch.load_local_rockspec(filename)
    if not rockspec then return nil, err end
+
    fs.pop_dir()
    local descript = rockspec.description or {}
    return show_homepage(descript.homepage, name, namespace, version)