This reverts commit b435d7405364d28ec364072f4437512da2876762.

This reverts commit 13e37a3e.

Here was the problem:

1. When determining whether a given blob is viewable text, gitlab_git reads the first 1024 bytes and checks with Linguist whether it is a text or binary file.
2. If the blob is text, GitLab will attempt to display it.
3. However, if the text has binary characters after the first 1024 bytes, then GitLab will attempt to load the entire contents, but the encoding will be ASCII-8BIT since there are binary characters.
4. The Error 500 results when GitLab attempts to display a mix UTF-8 and ASCII-8BIT.

To fix this, we load as much data as we are willing to display so that the detection will work properly. Requires
an update to gitlab_git: gitlab-org/gitlab_git!86

Closes #13826

Closes #14875

The problem occurred because asset compilation takes a long time, so
when the asset cache didn't exist and the first test ran, it would often
(randomly) time out during the generation before the actual test even
had a chance to run.

Now we check if the cache exists before the suite runs, and if not, we
manually fire a request to the root URL in order to generate it. This
should allow subsequent tests to use the cached assets.

Closes #3311

Closes https://github.com/gitlabhq/gitlabhq/issues/8763

Signed-off-by: NDmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Closes #1724

Closes #1362

Closes #1413

See http://schacon.github.io/git/git-init.html#_template_directory

Without this variable, any global git hooks a developer might have in
~/.git_template would be linked in the `.git/hooks` folder for every
test repository that gets checked out by TestEnv, and would cause
certain specs to fail due to pre-existing hook files.

- Simplify cleaning the temporary testing path in TestEnv
- Don't run gitlab:shell:install if it's already installed
- Run git commands quietly

Signed-off-by: NJeroen van Baarsen <jeroenvanbaarsen@gmail.com>

This reverts commit 533f4cdf.

Before this it would fail because git hooks automatically prepend
things to the path, which can lead the wrong Ruby version to be called
in which dependencies are not installed.

To make sure that this is correct, the forked_merge_requests commented
out test that depends on this change was uncommented.

For that test to pass, it is also necessary to setup the mock server
on port 3001 under test_env.rb.

Signed-off-by: NDmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: NDmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: NDmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: NDmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>