histedit: drop fallback to empty string from rendertemplate() AFAICT, `cmdutil.rendertemplate()` always returns bytes (never e.g. `None`), so we don't need to fall back to empty (byte-)string. The fallback has been there since the code was added in 11c076786d56 (histedit: add templating support to histedit's rule file generation, 2019-01-29). Differential Revision: https://phab.mercurial-scm.org/D9244

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# -*- mode: ruby -*-

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Vagrant.configure('2') do |config|

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  # Debian 10.1 x86_64 without configuration management software

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  config.vm.box = "debian/buster64"

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  config.vm.hostname = "tests"

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  config.vm.define "tests" do |conf|

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    conf.vm.provision :file, source: "run-tests.sh", destination:"run-tests.sh"

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    conf.vm.provision :shell, path: "provision.sh"

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    conf.vm.synced_folder "../..", "/hgshared"

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  end

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end