Enable lua55 build.

Fixes: #1

.gitattributes

@@ -21,3 +21,4 @@
 *.xz filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
+*.changes merge=merge-changes

.gitignore

@@ -1 +1,5 @@
-.osc
+*.obscpio
+*.osc
+_build.*
+.pbuild
+lua*-fennel-*-build

_multibuild

@@ -0,0 +1,6 @@
+<multibuild>
+<package>luajit</package>
+<package>lua53</package>
+<package>lua54</package>
+<package>lua55</package>
+</multibuild>

lua-fennel.changes

@@ -1,3 +1,19 @@
+-------------------------------------------------------------------
+Fri Jan 23 21:38:01 UTC 2026 - Matej Cepl <mcepl@cepl.eu>
+
+- Enable lua55 build.
+
+-------------------------------------------------------------------
+Sat Jan 10 09:48:18 UTC 2026 - Matej Cepl <mcepl@cepl.eu>
+
+- It's %{lua_version}, not %{flavor}
+
+-------------------------------------------------------------------
+Wed Dec  3 18:31:43 UTC 2025 - Matej Cepl <mcepl@cepl.eu>
+
+- Proper multi-variant SPEC with properly set-up alternatives
+  Fixes: https://src.opensuse.org/pool/lua-fennel/issues/1
+
 -------------------------------------------------------------------
 Thu Nov  6 14:37:26 UTC 2025 - Matej Cepl <mcepl@cepl.eu>
 

lua-fennel.spec

@@ -17,7 +17,18 @@
 #
 
 
-Name:           lua-fennel
+%define flavor @BUILD_FLAVOR@
+%define mod_name fennel
+%if "%{flavor}" == "luajit"
+%define lua_value  52
+%else
+%define lua_value  %(echo "%{flavor}" |sed -e 's:lua::')
+%endif
+%if 0%{?suse_version} > 1500
+%bcond_without libalternatives
+%else
+%bcond_with libalternatives
+%endif
 Version:        1.6.0
 Release:        0
 Summary:        Lisp dialect that compiles to Lua
@@ -25,10 +36,24 @@ License:        MIT
 # FIXME: use correct group or remove it, see "https://en.opensuse.org/openSUSE:Package_group_guidelines"
 Group:          Development/Languages/Lua
 URL:            https://fennel-lang.org/
-Source0:        https://git.sr.ht/~technomancy/fennel/archive/%{version}.tar.gz#/%{name}-%{version}.tar.gz
-BuildRequires:  lua
+Source0:        https://git.sr.ht/~technomancy/fennel/archive/%{version}.tar.gz#/lua-%{mod_name}-%{version}.tar.gz
+BuildRequires:  %{flavor}
 BuildRequires:  lua-macros
 BuildArch:      noarch
+%lua_provides
+%if "%{flavor}" == ""
+Name:           lua-%{mod_name}
+ExclusiveArch:  do_not_build
+%else
+Name:           %{flavor}-%{mod_name}
+%endif
+%if %{with libalternatives}
+BuildRequires:  alts
+Requires:       alts
+%else
+Requires(post): update-alternatives
+Requires(postun): update-alternatives
+%endif
 
 %description
 Fennel is a lisp that compiles to Lua. Features include:
@@ -48,19 +73,74 @@ Fennel is a lisp that compiles to Lua. Features include:
 %autosetup -p1 -n fennel-%{version}
 
 %build
-%make_build %{?_make_output_sync} PREFIX=%{_prefix} LUA="lua%{lua_version}" fennel
+%make_build %{?_make_output_sync} PREFIX=%{_prefix} LUA="lua" fennel
 sed -i -e 's@#!%{_bindir}/env lua$@#!%{_bindir}/lua@' fennel
 
 %install
 %make_install %{?_make_output_sync} PREFIX=%{_prefix} install
+mv -v %{buildroot}%{_bindir}/fennel{,-%{lua_version}}
+chmod +x %{buildroot}%{_bindir}/fennel-%{lua_version}
+sed -i -e 's,# *\!%{_bindir}/.*lua.*$,#!%{_bindir}/%{lua_version},' %{buildroot}%{_bindir}/fennel-%{lua_version}
+
+# prepare manpages
+for man in fennel.1 fennel-api.3 fennel-reference.5 fennel-tutorial.7 ; do
+    base="${man%.*}"
+    ext="${man#*.}"
+    mv -v %{buildroot}%{_mandir}/man${ext}/${man} \
+        %{buildroot}%{_mandir}/man${ext}/${base}.%{lua_version}.${ext}
+done
+
+%if %{with libalternatives}
+# alternatives - create configuration file
+ln -sf %{_bindir}/alts %{buildroot}%{_bindir}/fennel
+mkdir -p %{buildroot}%{_datadir}/libalternatives/fennel
+cat > %{buildroot}%{_datadir}/libalternatives/fennel/%{lua_value}.conf <<EOF
+binary=%{_bindir}/fennel-%{lua_version}
+man=fennel.1,fennel-api.3,fennel-reference.5,fennel-tutorial.7
+EOF
+%else
+# update-alternatives
+mkdir -p %{buildroot}%{_sysconfdir}/alternatives/
+touch %{buildroot}%{_sysconfdir}/alternatives/fennel
+ln -sf %{_sysconfdir}/alternatives/fennel %{buildroot}%{_bindir}/fennel
+%endif
 
 %check
 %make_build %{?_make_output_sync} test
 
+%if %{without libalternatives}
+%post
+%{_sbindir}/update-alternatives --install %{_bindir}/fennel fennel
+%{_bindir}/fennel-%{lua_version} %{lua_value} \
+    %{_mandir}/man1/fennel.1 fennel \
+        %{_mandir}/man1/fennel.%{lua_version}.1 \
+    %{_mandir}/man3/fennel-api.3 fennel \
+        %{_mandir}/man3/fennel-api.%{lua_version}.3 \
+    %{_mandir}/man5/fennel-reference.5 fennel \
+        %{_mandir}/man5/fennel-reference.%{lua_version}.5 \
+    %{_mandir}/man7/fennel-tutorial.7 fennel \
+        %{_mandir}/man7/fennel-tutorial.%{lua_version}.7
+
+%postun
+if [ "$1" = 0 ] ; then
+    %{_sbindir}/update-alternatives --remove fennel
+    %{_bindir}/fennel-%{lua_version}
+fi
+%endif
+
 %files
 %doc README.md api.md changelog.md reference.md tutorial.md
 %license LICENSE
+%if ! %{with libalternatives}
+%ghost %{_sysconfdir}/alternatives/fennel
+%else
+%dir %{_datadir}/libalternatives
+%dir %{_datadir}/libalternatives/fennel
+%{_datadir}/libalternatives/fennel/%{lua_value}.conf
+%endif
+
 %{_bindir}/fennel
+%{_bindir}/fennel-%{lua_version}
 %{lua_noarchdir}/fennel.lua
 %{_mandir}/man*/fennel*%{?ext_man}