From 88c6b1010984ea0596089858865cca55876e55c3 Mon Sep 17 00:00:00 2001
From: Hisham Muhammad <hisham@gobolinux.org>
Date: Mon, 14 Oct 2013 23:07:28 -0300
Subject: Improvements for write_rockspec

---
 src/luarocks/fetch.lua          |  6 +++---
 src/luarocks/write_rockspec.lua | 26 ++++++++++++++++++++++++--
 2 files changed, 27 insertions(+), 5 deletions(-)

diff --git a/src/luarocks/fetch.lua b/src/luarocks/fetch.lua
index 111d229a..3ba90647 100644
--- a/src/luarocks/fetch.lua
+++ b/src/luarocks/fetch.lua
@@ -274,7 +274,7 @@ function get_sources(rockspec, extract, dest_dir)
    local source_file, store_dir, err, errcode
    if dest_dir then
       local ok, err = fs.change_dir(dest_dir)
-      if not ok then return nil, err end
+      if not ok then return nil, err, "dest_dir" end
       source_file, err, errcode = fetch_url(url, filename)
       fs.pop_dir()
       store_dir = dest_dir
@@ -286,7 +286,7 @@ function get_sources(rockspec, extract, dest_dir)
    end
    if rockspec.source.md5 then
       if not fs.check_md5(source_file, rockspec.source.md5) then
-         return nil, "MD5 check for "..filename.." has failed."
+         return nil, "MD5 check for "..filename.." has failed.", "md5"
       end
    end
    if extract then
@@ -294,7 +294,7 @@ function get_sources(rockspec, extract, dest_dir)
       if not ok then return nil, err end
       fs.unpack_archive(rockspec.source.file)
       if not fs.exists(rockspec.source.dir) then
-         return nil, "Directory "..rockspec.source.dir.." not found inside archive "..rockspec.source.file
+         return nil, "Directory "..rockspec.source.dir.." not found inside archive "..rockspec.source.file, "source.dir", source_file, store_dir
       end
       fs.pop_dir()
    end
diff --git a/src/luarocks/write_rockspec.lua b/src/luarocks/write_rockspec.lua
index 9c20a054..6bfa4f1c 100644
--- a/src/luarocks/write_rockspec.lua
+++ b/src/luarocks/write_rockspec.lua
@@ -36,8 +36,10 @@ rockspec, and is not guaranteed to be complete or correct.
 
 local function get_url(rockspec)
    local url = rockspec.source.url
-   local file, temp_dir = fetch.fetch_sources(rockspec, true)
-   if not file then
+   local file, temp_dir, err_code, err_file, err_temp_dir = fetch.fetch_sources(rockspec, true)
+   if err_code == "source.dir" then
+      file, temp_dir = err_file, err_temp_dir
+   elseif not file then
       util.warning("Could not fetch sources - "..temp_dir)
       return false
    end
@@ -96,6 +98,17 @@ local function detect_description(rockspec)
    end
 end
 
+local function show_license(rockspec)
+   local fd = io.open("COPYING", "r")
+   if not fd then fd = io.open("LICENSE", "r") end
+   if not fd then return end
+   local data = fd:read("*a")
+   fd:close()
+   util.title("License for "..rockspec.package..":")
+   util.printout(data)
+   util.printout()
+end
+
 local function get_cmod_name(file)
    local fd = io.open(file, "r")
    if not fd then return nil end
@@ -183,6 +196,11 @@ function run(...)
          local_dir = name
          version = "scm"
          name = dir.base_name(name):gsub("%.[^.]+$", "")
+      elseif protocol ~= "file" then
+         local_dir = name
+         local filename = dir.base_name(name)
+         name, version = filename:match("(.*)-([^-]+)")
+         version = version:gsub(".[a-z]+$", ""):gsub(".tar$", "")
       else
          return nil, "Missing name and version arguments. "..util.see_help("write_rockspec")
       end
@@ -223,6 +241,8 @@ function run(...)
 
    if local_dir:match("://") then
       rockspec.source.url = local_dir
+      rockspec.source.file = dir.base_name(local_dir)
+      rockspec.source.dir = "dummy"
       if not fetch.is_basic_protocol(rockspec.source.protocol) then
          if version ~= "scm" then
             rockspec.source.tag = "v" .. version
@@ -261,6 +281,8 @@ function run(...)
    if not ok then return nil, "Failed reaching files from project - error entering directory "..local_dir end
 
    detect_description(rockspec)
+
+   show_license(rockspec)
    
    fill_as_builtin(rockspec, libs)
       
-- 
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