some sed usage cleanup

rubygem-aruba.spec

@@ -23,8 +23,6 @@ BuildRequires: rubygem(pry)
 BuildRequires: rubygem(rspec) >= 3
 BuildRequires: rubygem(contracts) >= 0.9
 BuildRequires: rubygem(thor) >= 0.19
-# features/steps/command/shell.feature:68 # Scenario: Running zsh commands
-BuildRequires: /usr/bin/zsh
 # features/steps/command/shell.feature:97 # Scenario: Running python commands
 BuildRequires: /usr/bin/python3
 BuildArch: noarch
@@ -78,20 +76,27 @@ pushd .%{gem_instdir}
 rm .rspec
 
 # We don't care about code coverage.
-sed -i "/simplecov/I s/^/#/" spec/spec_helper.rb
-
 # We don't need Bundler.
-sed -i "/bundler/I s/^/#/" spec/spec_helper.rb
+sed -i spec/spec_helper.rb \
+	-e '\@[sS]imple[Cc]ov@d' \
+	-e '\@[Bb]undler@d' \
+	%{nil}
 
 RUBYOPT=-rtime rspec spec
 
 # We don't care about code coverage.
-sed -i "/require 'simplecov'/ s/^/#/" features/support/env.rb
-sed -i "/ENV\['RUBYOPT'\]/,/\send/ s/^/#/" features/support/env.rb
-mv features/support/simplecov_setup.rb{,.disable}
+sed -i features/support/env.rb \
+	-e '\@require.*simplecov@d'
+> features/support/simplecov_setup.rb
 
 # Let the test cli-app find Aruba.
-sed -i '/$LOAD_PATH/ s/\.\.\/\.\.\//\.\.\/\.\.\/\.\.\/\.\.\/\.\.\//' fixtures/cli-app/spec/spec_helper.rb
+sed -i fixtures/cli-app/spec/spec_helper.rb \
+	-e "\@\$LOAD_PATH@s|\.\./\.\./lib|$(pwd)/lib|"
+
+# zsh?? I don't use it. Just use echo -e
+sed -i features/steps/command/shell.feature \
+	-e 's|zsh|bash|' \
+	-e '\@echo.*Hello.*c@s|echo|echo -e|'
 
 # /usr/bin/python is reporting deprecation warning :/
 sed -i 's/python/python3/' features/steps/command/shell.feature