From 30df1f340f74d0eacc979215adff9c25a48047f0 Mon Sep 17 00:00:00 2001
From: Adam Harrison <adamdharrison@gmail.com>
Date: Tue, 12 Mar 2024 15:34:15 -0400
Subject: Fixed some stuff with chunked encoding.

---
 src/lpm.c   |  8 ++++++--
 src/lpm.lua | 14 +++++++++-----
 2 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/src/lpm.c b/src/lpm.c
index 477dc98..16619c5 100644
--- a/src/lpm.c
+++ b/src/lpm.c
@@ -1174,8 +1174,9 @@ static int lpm_get(lua_State* L) {
   while (1) {
     // If we have an unknown amount of chunk bytes to be fetched, determine the size of the next chunk.
     while (chunk_length == -1) {
-      const char* newline = strnstr(buffer, "\r\n", buffer_length);
+      char* newline = (char*)strnstr(buffer, "\r\n", buffer_length);
       if (newline) {
+        *newline = '\0';
         if (sscanf(buffer, "%x", &chunk_length) != 1) {
           snprintf(err, sizeof(err), "error retrieving chunk length %s%s", hostname, rest);
           goto cleanup;
@@ -1206,7 +1207,10 @@ static int lpm_get(lua_State* L) {
         if (callback_function) {
           lua_pushvalue(L, callback_function);
           lua_pushinteger(L, total_downloaded);
-          lua_pushinteger(L, content_length);
+          if (content_length == -1)
+            lua_pushnil(L);
+          else
+            lua_pushinteger(L, content_length);
           lua_call(L, 2, 0);
         }
         if (file)
diff --git a/src/lpm.lua b/src/lpm.lua
index 0289915..83f833f 100644
--- a/src/lpm.lua
+++ b/src/lpm.lua
@@ -599,14 +599,14 @@ function common.get(source, options)
   if not port or port == "" then port = protocol == "https" and 443 or 80 end
   if not rest or rest == "" then rest = "/" end
   local res, headers
-  if not checksum then
+  if checksum == "SKIP" and not target then
     res, headers = system.get(protocol, hostname, port, rest, target, callback)
     if headers.location then return common.get(headers.location, common.merge(options, { depth = (depth or 0) + 1 })) end
     return res
   end
-  local cache_dir = options.cache or CACHEDIR
+  local cache_dir = checksum ~= "SKIP" and TMPDIR or (options.cache or CACHEDIR)
   if not system.stat(cache_dir .. PATHSEP .. "files") then common.mkdirp(cache_dir .. PATHSEP .. "files") end
-  local cache_path = cache_dir .. PATHSEP .. "files" .. PATHSEP .. system.hash(source)
+  local cache_path = cache_dir .. PATHSEP .. "files" .. PATHSEP .. system.hash(checksum .. source)
   if checksum ~= "SKIP" and system.stat(cache_path) and system.hash(cache_path, "file") ~= checksum then common.rmrf(cache_path) end
   local res
   if not system.stat(cache_path) then
@@ -619,6 +619,7 @@ function common.get(source, options)
     common.rename(cache_path .. ".part", cache_path)
   end
   if target then common.copy(cache_path, target) else res = io.open(cache_path, "rb"):read("*all") end
+  if checksum == "SKIP" then common.rmrf(cache_path) end
   return res
 end
 
@@ -2434,7 +2435,9 @@ not commonly used publically.
           return
         end
         if not start_time or not last_read or total_read < last_read then start_time = system.time() end
-        local status_line = string.format("%s [%s/s][%03d%%]: ", format_bytes(total_read), format_bytes(total_read / (system.time() - start_time)), math.floor((received_objects and (received_objects/total_objects_or_content_length) or (total_read/total_objects_or_content_length) or 0)*100))
+        local status_line = total_objects_or_content_length and
+          string.format("%s [%s/s][%03d%%]: ", format_bytes(total_read), format_bytes(total_read / (system.time() - start_time)), math.floor((received_objects and (received_objects/total_objects_or_content_length) or (total_read/total_objects_or_content_length) or 0)*100)) or
+          string.format("%s [%s/s]: ", format_bytes(total_read), format_bytes(total_read / (system.time() - start_time)))
         local terminal_width = system.tcwidth(1)
         if not terminal_width then terminal_width = #status_line + #progress_bar_label end
         local characters_remaining = terminal_width - #status_line
@@ -2527,7 +2530,8 @@ not commonly used publically.
     os.exit(0)
   end
   if ARGS[2] == "download" then
-    local file = common.get(ARGS[3], { target = ARGS[4] });
+    if ARGS[4] then log.progress_action("Downloading " .. ARGS[3]) end
+    local file = common.get(ARGS[3], { target = ARGS[4], callback = write_progress_bar });
     if file then print(file) end
     os.exit(0)
   end
-- 
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