Sam Doran 3bec68a3b3 Backport #42013 for 2.6 - linenfile empty regexp warning (#42204) ... * Add warning when using an empty regexp in lineinfile (#42013) * Revert "Account for empty string regexp in lineinfile (#41451)" This reverts commit 4b5b4a760c. * Use context managers for interacting with files * Store line and regexp parameters in a variable * Add warning when regexp is an empty string * Remove '=' from error messages * Update warning message and add changelog * Add tests * Improve warning message Offer an equivalent regexp that won't trigger the warning. Update tests to match new warning. * Add porting guide entry for lineinfile change # Conflicts: # docs/docsite/rst/porting_guides/porting_guide_2.7.rst # lib/ansible/modules/files/lineinfile.py # test/integration/targets/lineinfile/tasks/main.yml * Add porting guide info		2018-07-09 11:26:45 -07:00
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tasks	Backport #42013 for 2.6 - linenfile empty regexp warning (#42204)	2018-07-09 11:26:45 -07:00
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