fixes suggested by luacheck

3 files changed, 3 insertions, 3 deletions

diff --git a/src/luarocks/core/vers.lua b/src/luarocks/core/vers.lua
index e7251bb5..8e617984 100644
--- a/src/luarocks/core/vers.lua
+++ b/src/luarocks/core/vers.lua
@@ -60,7 +60,7 @@ local version_mt = {
    -- @param v2 table: version table to compare.
    -- @return boolean: true if v1 is considered lower than or equal to v2.
    __le = function(v1, v2)
-       return not (v2 < v1)
+       return not (v2 < v1) -- luacheck: ignore
    end,
    --- Return version as a string.
    -- @param v The version table.
diff --git a/src/luarocks/tools/patch.lua b/src/luarocks/tools/patch.lua
index b12f38fc..cc5293d3 100644
--- a/src/luarocks/tools/patch.lua
+++ b/src/luarocks/tools/patch.lua
@@ -540,7 +540,7 @@ local function write_new_file(filename, hunk)
   local fh = io.open(filename, "wb")
   if not fh then return false end
   for _, hline in ipairs(hunk.text) do
-    if not hline:sub(1,1) == "+" then
+    if hline:sub(1,1) ~= "+" then
       return false, "malformed patch"
     end
     fh:write(hline:sub(2))
diff --git a/src/luarocks/tools/tar.lua b/src/luarocks/tools/tar.lua
index aea2809c..21d5920b 100644
--- a/src/luarocks/tools/tar.lua
+++ b/src/luarocks/tools/tar.lua
@@ -81,7 +81,7 @@ local function read_header_block(block)
    -- if header.version ~= "00" and header.version ~= " \0" then
    --    return false, "Unknown version "..header.version
    -- end
-   if not checksum_header(block) == header.chksum then
+   if checksum_header(block) ~= header.chksum then
       return false, "Failed header checksum"
    end
    return header