diff tests/test-run-tests.t @ 47500:23f5ed6dbcb1

run-tests: stop writing a `python3` symlink pointing to python2

Having `python3` actually pointing to `python2` is bad. So we stop doing so.

In addition we need to re-introduce a `python` executable since some of the
script really need to be able to say "current python" in their shbang. For
example, `hghave` is one of such script.

The faulty changes where introduced by c102b704edb5.

Differential Revision: https://phab.mercurial-scm.org/D10943

--- a/tests/test-run-tests.t	Tue Jul 06 12:42:32 2021 +0200
+++ b/tests/test-run-tests.t	Fri Jul 02 23:09:44 2021 +0200
@@ -2036,3 +2036,34 @@
   # Ran 2 tests, 0 skipped, 2 failed.
   python hash seed: * (glob)
   [1]
+
+Test that a proper "python" has been set up
+===========================================
+
+(with a small check-code work around)
+  $ printf "#!/usr/bi" > test-py3.tmp
+  $ printf "n/en" >> test-py3.tmp
+  $ cat << EOF >> test-py3.tmp
+  > v python3
+  > import sys
+  > print('.'.join(str(x) for x in sys.version_info))
+  > EOF
+  $ mv test-py3.tmp test-py3.py
+  $ chmod +x test-py3.py
+
+(with a small check-code work around)
+  $ printf "#!/usr/bi" > test-py.tmp
+  $ printf "n/en" >> test-py.tmp
+  $ cat << EOF >> test-py.tmp
+  > v python
+  > import sys
+  > print('.'.join(str(x) for x in sys.version_info))
+  > EOF
+  $ mv test-py.tmp test-py.py
+  $ chmod +x test-py.py
+
+  $ ./test-py3.py
+  3.* (glob)
+  $ ./test-py.py
+  2.* (glob) (no-py3 !)
+  3.* (glob) (py3 !)