Merge pull request #155 from bnavigator/shebangfix

Add %<flavor>_fix_shebang macro

README.md

@@ -384,8 +384,13 @@ In addition, the following flavor-specific macros are known and supported by the
 
 * __`%<flavor>_install`__ expands to legacy `setup.py` install instructions for the particular flavor.
 
-* __`%<flavor>_sitelib`, `%<flavor>_sitearch`__: path to noarch and arch-dependent `site-packages`
-directory.
+* __`%<flavor>_fix_shebang`__ rewrites the script interpreter line in python scripts
+  installed into `%_bindir` to use the particular flavor. In multi-flavor expansions
+  the call of this macro is not required, as the script interpreter line is already
+  taken care of by the alternatives setup `%python_clone -a`.
+
+* __`%<flavor>_sitelib`, `%<flavor>_sitearch`__: path to noarch (purelib) and
+  arch-dependent `site-packages` (platlib) directory.
 
 * __`%<flavor>_version`__: dotted major.minor version. `2.7` for CPython 2.7.
 

flavor.in

@@ -81,7 +81,8 @@ if [ $havereq -eq 0 ]; then \
   done \
 fi \
 %__#FLAVOR# -mpip install %{pyproject_install_args} $myargs \
-%#FLAVOR#_compile
+%#FLAVOR#_compile \
+%#FLAVOR#_fix_shebang
 
 %#FLAVOR#_compile \
 for d in %{buildroot}%{#FLAVOR#_sitelib} %{buildroot}%{#FLAVOR#_sitearch}; do \
@@ -92,6 +93,11 @@ for d in %{buildroot}%{#FLAVOR#_sitelib} %{buildroot}%{#FLAVOR#_sitearch}; do \
   fi \
 done
 
+%#FLAVOR#_fix_shebang \
+for f in %{buildroot}%{_bindir}/*; do \
+  [ -f $f ] && sed -i "1s@#!.*python.*@#!$(realpath %__#FLAVOR#)@" $f \
+done
+
 # Alternative entries in file section
 
 %#FLAVOR#_alternative() %{_python_macro_init} \