#1302: Add new git_clone_missing rule

* Add git clone missing rule

* Clean up tests and improve matching

* Make rules behave correctly?

* Improve tests and redo matcher

* Remove unnecessary tests

* Improvements as per code review

* Remove dead tests

* Improve match function for git clone missing

* Improve tests

* Fix more tests

* Fix failing test

* Add Macos's /bin/sh command output to match

* Add output for lines uncovered by tests

Co-authored-by: Pablo Santiago Blum de Aguiar <scorphus@gmail.com>

README.md

@@ -234,6 +234,7 @@ following rules are enabled by default:
 * `git_branch_0flag` – fixes commands such as `git branch 0v` and `git branch 0r` removing the created branch;
 * `git_checkout` – fixes branch name or creates new branch;
 * `git_clone_git_clone` – replaces `git clone git clone ...` with `git clone ...`
+* `git_clone_missing` – adds `git clone` to URLs that appear to link to a git repository.
 * `git_commit_add` – offers `git commit -a ...` or `git commit -p ...` after previous commit if it failed because nothing was staged;
 * `git_commit_amend` – offers `git commit --amend` after previous commit;
 * `git_commit_reset` – offers `git reset HEAD~` after previous commit;