hooks: make the Python interpreter for Git hooks configurable as 'git_hook_interpreter' (Issue #333) Commit 5e501b6ee639 introduced the use of 'sys.executable' as interpreter for git hooks instead of 'python2' with the following argument: "Windows doesn't necessarily have "python2" available in $PATH, but we still want to make sure we don't end up invoking a python3. Using the absolute path seems more safe." But, sys.executable does not necessarily point to Python. When Kallithea is started under uWSGI, sys.executable points to the uwsgi executable. As a result, the interpreter encoded in the git hooks on the server repositories would be: #!/path/to/uwsgi And pushing to such repo would result in following client errors: $ git push Password for 'http://user@localhost:5050': Enumerating objects: 3, done. Counting objects: 100% (3/3), done. Writing objects: 100% (3/3), 241 bytes | 241.00 KiB/s, done. Total 3 (delta 0), reused 0 (delta 0) remote: unable to load configuration from hooks/pre-receive To http://localhost:5050/gitrepo-new ! [remote rejected] master -> master (pre-receive hook declined) error: failed to push some refs to 'http://user@localhost:5050/gitrepo-new' Fix this problem by introducing a configuration setting 'git_hook_interpreter' that allow administrators to specify which Python interpreter to use. A subsequent commit will cause its value to be filled in automatically when generating a new ini file, but an administrator can always override it.

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