Since 'description' field is optional, functions should not assume it is always there. Closes #46.

3 files changed, 7 insertions, 6 deletions

diff --git a/src/luarocks/build.lua b/src/luarocks/build.lua
index 69f46fcc..af098f34 100644
--- a/src/luarocks/build.lua
+++ b/src/luarocks/build.lua
@@ -240,7 +240,7 @@ function build_rockspec(rockspec_file, need_to_fetch, minimal_mode)
    if err then return nil, err end
 
    local license = ""
-   if rockspec.description.license then
+   if rockspec.description and rockspec.description.license then
       license = ("(license: "..rockspec.description.license..")")
    end
 
diff --git a/src/luarocks/index.lua b/src/luarocks/index.lua
index 570db431..01ce266a 100644
--- a/src/luarocks/index.lua
+++ b/src/luarocks/index.lua
@@ -143,14 +143,15 @@ function make_index(repo)
       output = output .. index_package_end
       if latest_rockspec then
          local rockspec = persist.load_into_table(dir.path(repo, latest_rockspec))
+         local descript = rockspec.description or {}
          local vars = {
             anchor = package,
             package = rockspec.package,
             original = rockspec.source.url,
-            summary = rockspec.description.summary or "",
-            detailed = rockspec.description.detailed or "",
-            license = rockspec.description.license or "N/A",
-            homepage = rockspec.description.homepage and ("| <a href="..rockspec.description.homepage..">project homepage</a>") or "",
+            summary = descript.summary or "",
+            detailed = descript.detailed or "",
+            license = descript.license or "N/A",
+            homepage = descript.homepage and ("| <a href="..descript.homepage..">project homepage</a>") or "",
             externaldependencies = format_external_dependencies(rockspec)
          }
          vars.detailed = vars.detailed:gsub("\n\n", "</p><p>"):gsub("%s+", " ")
diff --git a/src/luarocks/show.lua b/src/luarocks/show.lua
index f968bec8..30b1d1c5 100644
--- a/src/luarocks/show.lua
+++ b/src/luarocks/show.lua
@@ -94,7 +94,7 @@ function run(...)
    local rockspec, err = fetch.load_local_rockspec(rockspec_file)
    if not rockspec then return nil,err end
 
-   local descript = rockspec.description
+   local descript = rockspec.description or {}
    local manifest, err = manif.load_manifest(repo_url)
    if not manifest then return nil,err end
    local minfo = manifest.repository[name][version][1]