Accepting request 997566 from home:uncomfyhalomacro

fix some logic with build

OBS-URL: https://build.opensuse.org/request/show/997566
OBS-URL: https://build.opensuse.org/package/show/science/juliaup?expand=0&rev=42

juliaup.spec

@@ -85,7 +85,9 @@ BuildRequires:  cargo-packaging
 Conflicts:      julia
 %provides_julia_versioned julia
 Obsoletes:      julia < %{oldest_supported_julia_version}
+%if 0%{?suse_version}
 PreReq:         update-alternatives
+%endif
 
 %description
 A cross-platform installer for the Julia programming language.
@@ -118,6 +120,8 @@ cargo install --offline --no-track --root="%{buildroot}%{_prefix}" --path .
 %{cargo_install}
 %endif
 mkdir -p %{buildroot}%{_sysconfdir}/alternatives
+
+%if 0%{?suse_version}
 ln -sf %{_sysconfdir}/alternatives/julia %{buildroot}/%{_bindir}/julia
 
 %post
@@ -134,8 +138,15 @@ if [ ! -f %{_bindir}/julia ] ; then
   "%{_sbindir}/update-alternatives" --remove julia "%{_bindir}/julialauncher"
 fi
 
+%else
+ln -sf %{_bindir}/julia %{buildroot}%{_bindir}/juliaup
+%endif
+
+
 %files
+%if 0%{?suse_version}
 %ghost %_sysconfdir/alternatives/julia
+%endif
 %license LICENSE
 %doc README.md
 %{_bindir}/juliainstaller