lua-macros/macros.lua

# RPM macros for Lua

# The major.minor version of Lua
%lua_version %{lua:
local f = io.popen("lua -e 'print(_VERSION)'")
local output = f:read("*a")
f:close()
local ver = output:match("Lua (%d%.%d)")
print(ver:gsub("^%s*(.-)%s*$", "%1"))
}
%lua_version_nodots %{lua:
  local ver = rpm.expand("%{lua_version}")
  local nodots = ver:gsub("%.", "")
  print(nodots:gsub("^%s*(.-)%s*$", "%1"))
}
# compiled modules should go here
%lua_archdir %{lua:
  local handle = io.popen("pkgconf --variable=INSTALL_CMOD lua 2>/dev/null")
  local result = handle:read("*a")
  handle:close()
  result = result:gsub("^%s*(.-)%s*$", "%1")
  print(result)
}
# pure Lua modules should go here
%lua_noarchdir %{lua:
local output = ""
local f = io.popen("pkgconf --variable=INSTALL_LMOD lua 2>/dev/null")
if f ~= nil then
    output = f:read("*a"):gsub("^%s*(.-)%s*$", "%1")
    f:close()
end
if output:len() > 0 then
    print(output)
    return
end
print(rpm.expand("%{_datadir}/lua/%{lua_version}"))
}
# lua includes folder
%lua_incdir %{lua:
  local handle = io.popen("pkgconf --variable=includedir lua 2>/dev/null")
  local result = handle:read("*a")
  handle:close()
  result = result:gsub("^%s*(.-)%s*$", "%1")
  print(result)
}
%lua_version_default %{lua:
local result = 5.4
local ver = rpm.expand("%{?suse_version}")
if #ver > 0 then
    ver = tonumber(ver)
    if ver < 1500 then
        result = 5.1
    elseif ver < 1600 then
        result = 5.3
    end
end
print(result)
}
# Define a conditional that evaluates true when building for the default Lua version
%lua_version_default_nodots %{lua:
  local ver = rpm.expand("%{lua_version_default}")
  local nodots = ver:gsub("%.", "")
  print(nodots)
}
# Lua default version
# This REQUIRES macro %{mod_name} to be defined.
# Optionally you can define macro `lua_provides_type`, which can
# have two different values:
# 'exclude-prefix' which excludes lua prefix, or
# anything else which is used as the provided symbol
%lua_provides %{lua:
local mod_name = rpm.expand("%{?mod_name}")
if mod_name == "" then
    print("-- Error: %{mod_name} is not defined!")
    return
end

local current_ver = rpm.expand("%{lua_version_nodots}"):gsub("^%s*(.-)%s*$", "%1")
local default_ver = rpm.expand("%{lua_version_default_nodots}"):gsub("^%s*(.-)%s*$", "%1")

local output = ""

-- Check if we are building for the default Lua version
if current_ver == default_ver then

    local package_type = rpm.expand("%{?lua_provides_type}"):gsub("^%s*(.-)%s*$", "%1")
    local package_name = mod_name

    -- Check for type defined externally (e.g., via --define 'lua_provides_type package-name')
    if package_type == "exclude-prefix" then
        -- Use name without "lua-" prefix
        package_name = mod_name
    elseif package_type ~= "" then
        -- Use custom name defined by package_type
        package_name = package_type
    else
        -- Default: Use 'lua-' prefix
        package_name = "lua-" .. mod_name
    end

    local version = rpm.expand("%{version}")
    local release = rpm.expand("%{release}")

    output = "Provides: " .. package_name .. " = " .. version .. "-" .. release .. " Obsoletes: " .. package_name .. " < " .. version .. "-" .. release
end

print(output)
}

# LuaRocks
%luarocks_build \
luarocks --lua-version "%{lua_version}" make --deps-mode none --pack-binary-rock

%luarocks_treedir %{_prefix}/lib/luarocks/rocks-%{lua_version}

%luarocks_install \
  /bin/sh -c 'luarocks --lua-version="%{lua_version}" --tree="%{buildroot}%{_prefix}" install --deps-mode=none --no-manifest "$@" && \
  source_dir="%{buildroot}%{luarocks_treedir}/%{mod_name}/%{rock_version}" && \
  [ -d "${source_dir}" ] && [ "$(ls -A "${source_dir}" | wc -l)" -gt 0 ] && \
  mv -v "${source_dir}" __rocktree' --