macros.lua: Fix parsing on older SLE releases

Older RPM versions don't like blank lines in lua macros.

install-lua-rock.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+set -ex
+
+# 1. %{lua_version}
+# 2. %{buildroot}%{_prefix}
+# 3. %{buildroot}%{luarocks_treedir}/%{mod_name}
+
+SOURCE_DIR="$3"
+luarocks --lua-version="$1" --tree="$2" install --deps-mode=none --no-manifest "${*:$#}"
+
+if  [ -d "${SOURCE_DIR}" ] && [ "$(find "${SOURCE_DIR}" -type f | wc -l)" -gt 0 ]
+then
+  mkdir -p __rocktree
+  mv -v "${SOURCE_DIR}"/*/* __rocktree
+fi

lua-macros.changes

@@ -1,3 +1,16 @@
+-------------------------------------------------------------------
+Mon Nov  3 00:20:49 UTC 2025 - Matej Cepl <mcepl@cepl.eu>
+
+- Finally broke %lua_provides to be working. I got stumped by the
+  craziness of rpm which runs Lua interpreter with locales and
+  crazy reformatting of integers.
+
+-------------------------------------------------------------------
+Mon Oct 20 21:30:36 UTC 2025 - Matej Cepl <mcepl@cepl.eu>
+
+- Rewrite %luarocks_install to use a shell script
+  install-lua-rock.sh, which is packaged as well.
+
 -------------------------------------------------------------------
 Tue Oct 14 23:16:09 UTC 2025 - Matej Cepl <mcepl@cepl.eu>
 

lua-macros.spec

@@ -27,6 +27,7 @@ License:        MIT
 Group:          Development/Languages/Other
 URL:            https://www.lua.org
 Source0:        macros.lua
+Source1:        install-lua-rock.sh
 %if 0%{?suse_version} > 1600
 Requires:       lua-interpreter
 %elif 0%{?suse_version} >= 1500
@@ -46,9 +47,11 @@ cp -p %{SOURCE0} .
 :
 
 %install
-install -Dm644 macros.lua %{buildroot}%{_rpmmacrodir}/macros.lua
+install -Dm644 %{SOURCE0} %{buildroot}%{_rpmmacrodir}/macros.lua
+install -Dm755 %{SOURCE1} %{buildroot}%{_rpmconfigdir}/install-lua-rock.sh
 
 %files
 %{_rpmmacrodir}/macros.lua
+%{_rpmconfigdir}/install-lua-rock.sh
 
 %changelog

macros.lua

@@ -6,12 +6,12 @@ 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*$", "%1"))
+print(ver)
 }
 %lua_version_nodots %{lua:
   local ver = rpm.expand("%{lua_version}")
   local nodots = ver:gsub("%.", "")
-  print(nodots:gsub("^%s*(.-)%s*$", "%1"))
+  print(nodots)
 }
 # compiled modules should go here
 %lua_archdir %{lua:
@@ -44,14 +44,14 @@ print(rpm.expand("%{_datadir}/lua/%{lua_version}"))
   print(result)
 }
 %lua_version_default %{lua:
-local result = 5.4
+local result = "5.4"
 local ver = rpm.expand("%{?suse_version}")
 if #ver > 0 then
     ver = tonumber(ver)
     if ver < 1500 then
-        result = 5.1
+        result = "5.1"
     elseif ver < 1600 then
-        result = 5.3
+        result = "5.3"
     end
 end
 print(result)
@@ -63,48 +63,39 @@ print(result)
   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:
+# This REQUIRES macro %%{mod_name} to be defined.
+# -e: Exclude lua prefix
+# -n: Specify name
+%lua_provides(en:) %{lua:
 local mod_name = rpm.expand("%{?mod_name}")
-if mod_name == "" then
-    print("-- Error: %{mod_name} is not defined!")
+if mod_name == "" or mod_name == "%{?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
+--
+local lua_ver_nodots = rpm.expand("%{lua_version_nodots}")
+local lua_ver_default_nodots = rpm.expand("%{lua_version_default_nodots}")
+local flavor = rpm.expand("%{flavor}")
+local version = rpm.expand("%{version}")
+local release = rpm.expand("%{release}")
+--
+local provides_name
+if rpm.expand("%{-n*}") ~= "" then
+    provides_name = rpm.expand("%{-n*}")
+elseif rpm.expand("%{-e:1}") == "1" then
+    provides_name = mod_name
+else
+    provides_name = "lua-" .. mod_name
+end
+--
+if lua_ver_nodots == lua_ver_default_nodots then
+    print("Provides: " .. provides_name .. " = " .. version .. "-" .. release .. "\\n")
+    print("Obsoletes: " .. provides_name .. " < " .. version .. "-" .. release .. "\\n")
+end
+--
+if flavor == "luajit" then
+    print("Obsoletes: lua51-" .. mod_name .. " <= " .. version .. "-" .. release .. "\\n")
 end
-
-print(output)
 }
 
 # LuaRocks
@@ -114,7 +105,4 @@ 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' --
+  %{_rpmconfigdir}/install-lua-rock.sh "%{lua_version}" "%{buildroot}%{_prefix}" "%{buildroot}%{luarocks_treedir}/%{mod_name}"