this package also provides devel symlink directly and conflicts other -devel packages

Also, cleanup the test condition.

.gitignore

@@ -3,3 +3,4 @@ _scmsync.obsinfo
 .assets/
 _buildconfig-*
 _buildinfo-*.xml
+lua55-*-build/

lua-build-system.patch

@@ -10,8 +10,8 @@ Subject: build system
 
 Index: lua-5.5.0-beta/Makefile
 ===================================================================
---- lua-5.5.0-beta.orig/Makefile	2025-07-11 12:05:58.289205384 +0200
+--- lua-5.5.0-beta.orig/Makefile	2025-06-26 15:04:37.000000000 +0200
-+++ lua-5.5.0-beta/Makefile	2025-07-11 12:06:00.906212327 +0200
++++ lua-5.5.0-beta/Makefile	2025-07-16 11:43:49.998066837 +0200
 @@ -10,18 +10,18 @@
  # so take care if INSTALL_TOP is not an absolute path. See the local target.
  # You may want to make INSTALL_LMOD and INSTALL_CMOD consistent with
@@ -69,8 +69,8 @@ Index: lua-5.5.0-beta/Makefile
  uninstall:
 Index: lua-5.5.0-beta/src/Makefile
 ===================================================================
---- lua-5.5.0-beta.orig/src/Makefile	2025-07-11 12:05:58.289205384 +0200
+--- lua-5.5.0-beta.orig/src/Makefile	2025-06-26 14:57:29.000000000 +0200
-+++ lua-5.5.0-beta/src/Makefile	2025-07-11 12:13:07.455546422 +0200
++++ lua-5.5.0-beta/src/Makefile	2025-07-16 11:43:49.998317291 +0200
 @@ -7,7 +7,7 @@
  PLAT= guess
  
@@ -177,8 +177,8 @@ Index: lua-5.5.0-beta/src/Makefile
  
 Index: lua-5.5.0-beta/src/luaconf.h
 ===================================================================
---- lua-5.5.0-beta.orig/src/luaconf.h	2025-07-11 12:05:58.289205384 +0200
+--- lua-5.5.0-beta.orig/src/luaconf.h	2025-06-28 12:06:32.000000000 +0200
-+++ lua-5.5.0-beta/src/luaconf.h	2025-07-11 12:06:00.906620685 +0200
++++ lua-5.5.0-beta/src/luaconf.h	2025-07-16 11:43:49.998518156 +0200
 @@ -239,7 +239,7 @@
  
  #else			/* }{ */

lua55.changes

@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Sat Jul 19 09:23:33 UTC 2025 - Matej Cepl <mcepl@cepl.eu>
+
+- Switch from update-alternatives to libalternatives (and
+  dependency on lua-interpreter)
+- improve .gitignore and overall improve the packaging.
+- this package also provides devel symlink directly and conflicts
+  other -devel packages
+
 -------------------------------------------------------------------
 Fri Jul 11 09:09:28 UTC 2025 - Matej Cepl <mcepl@cepl.eu>
 

lua55.spec

@@ -18,9 +18,11 @@
 
 %global flavor @BUILD_FLAVOR@%{nil}
 %if "%{flavor}" == "test"
+%bcond_without test
 %define name_ext -test
 %define debug_package %{nil}
 %else
+%bcond_with test
 %define name_ext %{nil}
 %endif
 %define major_version 5.5
@@ -46,12 +48,14 @@ Patch3:         main_test.patch
 Patch6:         shared_link.patch
 # PATCH-FIX-UPSTREAM inspect errno only after failure
 Patch8:         execresult.patch
-Requires(post): update-alternatives
+BuildRequires:  lua-interpreter
-Requires(postun):update-alternatives
+Requires:       alts
+Requires:       lua-interpreter
 Provides:       lua = %{version}
+Conflicts:      lua
 Obsoletes:      lua < %{version}
 Provides:       Lua(API) = %{major_version}
-%if "%{flavor}" == "test"
+%if %{with test}
 BuildRequires:  lua55
 BuildRequires:  lua55-devel
 %else
@@ -80,8 +84,7 @@ Group:          Development/Libraries/C and C++
 Requires:       %{libname} = %{version}
 Requires:       %{name} = %{version}
 Requires:       lua-macros
-Requires(post): update-alternatives
+Conflicts:      lua-devel
-Requires(postun):update-alternatives
 Provides:       lua-devel = %{version}
 Provides:       Lua(devel) = %{major_version}
 Provides:       pkgconfig(lua) = %{version}
@@ -148,11 +151,13 @@ mv lua-5.5.0-tests testes
 %autopatch -p1
 
 # manpage
-%if "%{flavor}" != "test"
+%if %{without test}
 cat doc/lua.1  | sed 's/TH LUA 1/TH LUA%{major_version} 1/' > doc/lua%{major_version}.1
 cat doc/luac.1 | sed 's/TH LUAC 1/TH LUAC%{major_version} 1/' > doc/luac%{major_version}.1
+%endif
 
 %build
+%if %{without test}
 sed -i -e "s@lib/lua/@%{_lib}/lua/@g" src/luaconf.h
 %make_build linux -C src \
     CC="cc" LIBDIR="%{_libdir}" \
@@ -160,8 +165,10 @@ sed -i -e "s@lib/lua/@%{_lib}/lua/@g" src/luaconf.h
     MYCFLAGS="%{optflags} -std=gnu99 -D_GNU_SOURCE -fPIC -DLUA_COMPAT_MODULE" \
     V=%{major_version} \
     LIBTOOL="libtool --quiet"
+%endif
 
 %install
+%if %{without test}
 %make_install \
     LIBTOOL="libtool --quiet" \
     INSTALL_TOP="%{buildroot}%{_prefix}" \
@@ -185,65 +192,48 @@ Version:        %{version}
 Libs: -llua%{major_version} -lm
 Cflags: -I\${includedir}
 EOF
-
 install -D -m 644 lua%{major_version}.pc %{buildroot}%{_libdir}/pkgconfig/lua%{major_version}.pc
 
-# update-alternatives
+# alternatives - create configuration file
-mkdir -p %{buildroot}%{_sysconfdir}/alternatives
+mkdir -p %{buildroot}%{_datadir}/libalternatives/lua
-for file in lua luac ; do
+cat > %{buildroot}%{_datadir}/libalternatives/lua/55.conf <<EOF
-    touch "%{buildroot}%{_sysconfdir}/alternatives/${file}"
+binary=%{_bindir}/lua5.5
-    ln -sf "%{_sysconfdir}/alternatives/${file}" "%{buildroot}%{_bindir}/${file}"
+man=lua5.5
-    touch "%{buildroot}%{_sysconfdir}/alternatives/${file}.1%{ext_man}"
+EOF
-    ln -sf "%{_sysconfdir}/alternatives/${file}.1%{ext_man}" "%{buildroot}%{_mandir}/man1/${file}.1%{ext_man}"
+mkdir -p %{buildroot}%{_datadir}/libalternatives/luac
-done
+cat > %{buildroot}%{_datadir}/libalternatives/luac/55.conf <<EOF
+binary=%{_bindir}/luac5.5
+man=luac5.5
+EOF
 
 # Compat link with older unprefixed library and with soname 0 from deb/etc
 ln -s %{_libdir}/liblua%{major_version}.so.%{major_version}.0 %{buildroot}%{_libdir}/liblua%{major_version}.so.%{major_version}
 ln -s %{_libdir}/liblua%{major_version}.so.%{major_version}.0 %{buildroot}%{_libdir}/liblua%{major_version}.so.0
 ln -s %{_libdir}/liblua%{major_version}.so.%{major_version}.0 %{buildroot}%{_libdir}/liblua.so.%{major_version}
-# Library devel alternatives
+
-touch %{buildroot}%{_sysconfdir}/alternatives/liblua.so
+# We don’t create alternatives for -devel content, just conflict those
-ln -sf %{_sysconfdir}/alternatives/liblua.so %{buildroot}%{_libdir}/liblua.so
+ln -s %{_libdir}/liblua%{major_version}.so %{buildroot}%{_libdir}/liblua.so
-touch %{buildroot}%{_sysconfdir}/alternatives/lua.pc
+ln -s %{_libdir}/pkgconfig/lua%{major_version}.pc %{buildroot}%{_libdir}/pkgconfig/lua.pc
-ln -sf %{_sysconfdir}/alternatives/lua.pc %{buildroot}%{_libdir}/pkgconfig/lua.pc
+%endif
-%else
 
 %check
+%if %{with test}
 cd testes
 pushd libs
-make all LUA_DIR=%{_includedir}/lua%{major_version}
+%make_build all LUA_DIR=%{_includedir}/lua%{major_version}
 cp *.so ..
 popd
 LD_LIBRARY_PATH=%{_libdir} %{_bindir}/lua%{major_version} all.lua
 %endif
 
-%if "%{flavor}" != "test"
+%if %{without test}
 %post -n %{libname} -p /sbin/ldconfig
 %postun -n %{libname} -p /sbin/ldconfig
+%endif
 
-%post
+%if %{without test}
-%{_sbindir}/update-alternatives --install                                                 \
-            %{_bindir}/lua            lua       %{_bindir}/lua%{major_version}         55 \
-    --slave %{_bindir}/luac           luac      %{_bindir}/luac%{major_version}           \
-    --slave %{_mandir}/man1/lua.1%{ext_man}  lua.1%{ext_man}  %{_mandir}/man1/lua%{major_version}.1%{ext_man}  \
-    --slave %{_mandir}/man1/luac.1%{ext_man} luac.1%{ext_man} %{_mandir}/man1/luac%{major_version}.1%{ext_man}
-
-%postun
-if [ "$1" = 0 ] ; then
-    %{_sbindir}/update-alternatives --remove lua %{_bindir}/lua%{major_version}
-fi
-
-%post devel
-%{_sbindir}/update-alternatives --install                                                     \
-            %{_libdir}/liblua.so        liblua.so %{_libdir}/liblua%{major_version}.so     55 \
-    --slave %{_libdir}/pkgconfig/lua.pc lua.pc    %{_libdir}/pkgconfig/lua%{major_version}.pc
-
-%postun devel
-if [ "$1" = 0 ] ; then
-    %{_sbindir}/update-alternatives --remove liblua.so %{_libdir}/liblua%{major_version}.so
-fi
-
 %files
+%doc README
 %dir %{_libdir}/lua
 %dir %{_libdir}/lua/%{major_version}
 %dir %{_datadir}/lua
@@ -252,15 +242,8 @@ fi
 %{_bindir}/luac%{major_version}
 %{_mandir}/man1/lua%{major_version}.1%{?ext_man}
 %{_mandir}/man1/luac%{major_version}.1%{?ext_man}
-# alternatives
+%{_datadir}/libalternatives/lua/55.conf
-%{_bindir}/lua
+%{_datadir}/libalternatives/luac/55.conf
-%{_bindir}/luac
-%{_mandir}/man1/lua.1%{?ext_man}
-%{_mandir}/man1/luac.1%{?ext_man}
-%ghost %{_sysconfdir}/alternatives/lua
-%ghost %{_sysconfdir}/alternatives/luac
-%ghost %{_sysconfdir}/alternatives/lua.1%{ext_man}
-%ghost %{_sysconfdir}/alternatives/luac.1%{ext_man}
 
 %files -n %{libname}
 %{_libdir}/liblua%{major_version}.so.*
@@ -275,11 +258,8 @@ fi
 %{_includedir}/lua%{major_version}/lualib.h
 %{_libdir}/liblua%{major_version}.so
 %{_libdir}/pkgconfig/lua%{major_version}.pc
-# alternatives
 %{_libdir}/liblua.so
 %{_libdir}/pkgconfig/lua.pc
-%ghost %{_sysconfdir}/alternatives/liblua.so
-%ghost %{_sysconfdir}/alternatives/lua.pc
 
 %files doc
 %doc doc/*