nx-libs.spec: Set python shebang to python3 on fedora and rhel8

*** ERROR: ambiguous python shebang in /usr/bin/nxdialog: #!/usr/bin/env python. Change it to python3 (or python2) explicitly. Fedora offers a pythfix.py but I could not test with that so I simply used sed... Fixes ArcticaProject/nx-libs#955

nx-libs.spec: Set python shebang to python3 on fedora and rhel8
5bd72aec · Ulrich Sibiller · 1701a4a4 · 5bd72aec
Commit 5bd72aec authored Nov 03, 2020 by Ulrich Sibiller
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nx-libs.spec nx-libs.spec +5 -0

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--- a/nx-libs.spec
+++ b/nx-libs.spec
@@ -473,6 +473,11 @@ rm -r %{buildroot}%{_includedir}/nx-X11/Xtrans
 #Remove our shared libraries' .la files before wrapping up the packages
 rm %{buildroot}%{_libdir}/*.la

+# Fix python scripts
+%if 0%{?fedora} >= 23 || 0%{?rhel} >= 8 || 0%{?py_ver} == 3
+sed -i '1 s/python/python3/' %{buildroot}%{_bindir}/nxdialog
+%endif
+
 %if 0%{?fdupes:1}
 %fdupes %{buildroot}%{_prefix}
 %endif