If [dest] is not given, it defaults to "None"

[needleshaped]

Hello!

If one forgets to add destination folder, below "None" folder shinanigen happens %)
We can make DEST mandatory parameter, or we can simply set specific default value.

I would argue, that former approach is better.

Logs

$ mkdir TEMP && cd TEMP
$ time gitlabber --verbose -t sometoken -u https://gitlab.some.domain -i '/Test Group**' -p
root [https://gitlab.some.domain]
└── Test Group [/Test Group]
    ├── test-project-2-archived [/Test Group/test-project-2-archived]
    └── test-project-1 [/Test Group/test-project-1]

$ time gitlabber --verbose -t sometoken -u https://gitlab.some.domain -i '/Test Group**'
2021-02-24 11:04:43,263 - gitlabber.cli - DEBUG - verbose=[True], print=[False], log level set to [10] level
2021-02-24 11:04:43,275 - gitlabber.cli - DEBUG - Reading projects tree from gitlab at [https://gitlab.some.domain]
2021-02-24 11:04:43,275 - gitlabber.gitlab_tree - DEBUG - Loading projects tree gitlab server [https://gitlab.some.domain]
2021-02-24 11:04:43,278 - urllib3.connectionpool - DEBUG - Starting new HTTPS connection (1): gitlab.some.domain:443
2021-02-24 11:04:43,536 - urllib3.connectionpool - DEBUG - https://gitlab.some.domain:443 "GET /api/v4/groups HTTP/1.1" 200 None
...
2021-02-24 11:04:58,264 - urllib3.connectionpool - DEBUG - https://gitlab.some.domain:443 "GET /api/v4/groups/67/projects HTTP/1.1" 200 None
2021-02-24 11:04:58,409 - urllib3.connectionpool - DEBUG - https://gitlab.some.domain:443 "GET /api/v4/groups/66/projects HTTP/1.1" 200 None
2021-02-24 11:04:58,413 - urllib3.connectionpool - DEBUG - Resetting dropped connection: gitlab.some.domain
2021-02-24 11:04:58,651 - urllib3.connectionpool - DEBUG - https://gitlab.some.domain:443 "GET /api/v4/groups/188/subgroups HTTP/1.1" 200 2
2021-02-24 11:04:58,834 - urllib3.connectionpool - DEBUG - https://gitlab.some.domain:443 "GET /api/v4/groups/188/projects HTTP/1.1" 200 None
2021-02-24 11:04:58,914 - urllib3.connectionpool - DEBUG - https://gitlab.some.domain:443 "GET /api/v4/groups/8/subgroups HTTP/1.1" 200 2
...
2021-02-24 11:05:20,124 - urllib3.connectionpool - DEBUG - https://gitlab.some.domain:443 "GET /api/v4/groups/161/projects HTTP/1.1" 200 None
2021-02-24 11:05:20,204 - urllib3.connectionpool - DEBUG - https://gitlab.some.domain:443 "GET /api/v4/groups/13/subgroups HTTP/1.1" 200 2
2021-02-24 11:05:20,351 - urllib3.connectionpool - DEBUG - https://gitlab.some.domain:443 "GET /api/v4/groups/13/projects HTTP/1.1" 200 None
2021-02-24 11:05:20,353 - gitlabber.gitlab_tree - DEBUG - Loading projects tree from gitlab took [-448378:55:53.28]
2021-02-24 11:05:20,355 - gitlabber.gitlab_tree - DEBUG - Fetched root node with [338] projects
2021-02-24 11:05:20,358 - gitlabber.gitlab_tree - DEBUG - Matched include path [/Test Group**] to node [/Test Group/test-project-2-archived]
2021-02-24 11:05:20,358 - gitlabber.gitlab_tree - DEBUG - Matched include path [/Test Group**] to node [/Test Group/test-project-1]
2021-02-24 11:05:20,379 - gitlabber.gitlab_tree - DEBUG - Going to clone/pull [1] groups and [2] projects
2021-02-24 11:05:20,384 - gitlabber.git - DEBUG - cloning new project None/Test Group/test-project-2-archived
2021-02-24 11:05:20,385 - git.cmd - DEBUG - Popen(['git', 'clone', '-v', 'git@gitlab.some.domain:test-group/test-project-2-archived.git', 'None/Test Group/test-project-2-archived'], cwd=/home/someuser/gitlab/TEMP, universal_newlines=True, shell=None, istream=None)
2021-02-24 11:05:21,858 - git.repo.base - DEBUG - Cmd(['git', 'clone', '-v', 'git@gitlab.some.domain:test-group/test-project-2-archived.git', 'None/Test Group/test-project-2-archived'])'s unused stdout: 
2021-02-24 11:05:21,867 - gitlabber.git - DEBUG - cloning new project None/Test Group/test-project-1
2021-02-24 11:05:21,867 - git.cmd - DEBUG - Popen(['git', 'clone', '-v', 'git@gitlab.some.domain:test-group/test-project-1.git', 'None/Test Group/test-project-1'], cwd=/home/someuser/gitlab/TEMP, universal_newlines=True, shell=None, istream=None)
2021-02-24 11:05:22,853 - git.repo.base - DEBUG - Cmd(['git', 'clone', '-v', 'git@gitlab.some.domain:test-group/test-project-1.git', 'None/Test Group/test-project-1'])'s unused stdout: 
2021-02-24 11:05:22,863 - gitlabber.git - DEBUG - Syncing projects took [None]

$ ls None/Test\ Group/
test-project-1  test-project-2-archived