Add fish completion support

[sayboras]

Fixes #7778

[k8s-ci-robot]

Hi @sayboras. Thanks for your PR.

I'm waiting for a kubernetes member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[minikube-bot]

Can one of the admins verify this patch?

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: sayboras
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You can assign the PR to them by writing /assign @tstromberg in a comment when ready.

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[codecov-io]

Codecov Report

Merging #7777 into master will decrease coverage by 0.04%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #7777      +/-   ##
==========================================
- Coverage   35.87%   35.82%   -0.05%     
==========================================
  Files         148      148              
  Lines        9201     9213      +12     
==========================================
  Hits         3301     3301              
- Misses       5504     5516      +12     
  Partials      396      396              

Impacted Files	Coverage Δ
cmd/minikube/cmd/completion.go	0.00% <0.00%> (ø)

[medyagh]

/ok-to-test

[minikube-pr-bot]

kvm2 Driver
Times for minikube: [64.215297486 63.68365241 63.930432116999995]
Average time for minikube: 63.943127337666674

Times for Minikube (PR 7777): [65.94558338799999 65.867662439 63.96495110000001]
Average time for Minikube (PR 7777): 65.25939897566667

Averages Time Per Log

+--------------------------------+-----------+--------------------+
|              LOG               | MINIKUBE  | MINIKUBE (PR 7777) |
+--------------------------------+-----------+--------------------+
| * minikube v1.9.2 on Debian    |  0.056941 |           0.055858 |
|                           9.11 |           |                    |
| * Using the kvm2 driver based  |  0.019062 |           0.018326 |
| on existing profile            |           |                    |
| * Starting control plane node  |  0.004777 |           0.004630 |
| minikube in cluster minikube   |           |                    |
| * Creating kvm2 VM (CPUs=2,    | 41.025663 |          40.461909 |
| Memory=3700MB, Disk=20000MB)   |           |                    |
| ...                            |           |                    |
| * Preparing Kubernetes v1.18.0 | 20.809850 |          22.789042 |
| on Docker 19.03.8 ...          |           |                    |
| * Verifying Kubernetes         |  0.000833 |           0.001415 |
| Components:                    |           |                    |
|   - verifying node conditions  |  0.001536 |           0.003323 |
| ...                            |           |                    |
|   - verifying api server ...   |  0.065120 |           0.117971 |
|   - verifying system pods ...  |  1.312518 |           1.393051 |
| * Enabled addons:              |  0.571522 |           0.341748 |
| default-storageclass,          |           |                    |
| storage-provisioner            |           |                    |
| * Done! kubectl is now         |  0.072331 |           0.067579 |
| configured to use "minikube"   |           |                    |
|                                |  0.002975 |           0.004547 |
+--------------------------------+-----------+--------------------+

docker Driver
Times for minikube: [26.222878659 27.423056600000002 28.004515942]
Average time for minikube: 27.216817066999997

Times for Minikube (PR 7777): [25.992819670999992 25.170288622999994 26.747727469000004]
Average time for Minikube (PR 7777): 25.970278587666666

Averages Time Per Log

+----------------------------------------+-----------+--------------------+
|                  LOG                   | MINIKUBE  | MINIKUBE (PR 7777) |
+----------------------------------------+-----------+--------------------+
| * minikube v1.9.2 on Debian            |  0.070735 |           0.071366 |
|                                   9.11 |           |                    |
| * Using the docker driver              |  0.002509 |           0.002302 |
| based on existing profile              |           |                    |
| * Starting control plane node          |  0.053415 |           0.055405 |
| minikube in cluster minikube           |           |                    |
| * Creating docker container            |  7.518145 |           7.221371 |
| (CPUs=2, Memory=3700MB) ...            |           |                    |
| * Preparing Kubernetes v1.18.0         |  0.000249 |           0.000408 |
| on Docker 19.03.2 ...                  |           |                    |
|   -                                    | 16.836720 |          16.870733 |
| kubeadm.pod-network-cidr=10.244.0.0/16 |           |                    |
| * Verifying Kubernetes                 |  0.001333 |           0.001860 |
| Components:                            |           |                    |
|   - verifying node conditions          |  0.004104 |           0.002095 |
| ...                                    |           |                    |
|   - verifying api server ...           |  0.060476 |           0.100260 |
|   - verifying system pods ...          |  2.602937 |           1.578061 |
| * Enabled addons:                      |  0.002292 |           0.002504 |
| default-storageclass,                  |           |                    |
| storage-provisioner                    |           |                    |
| * Done! kubectl is now                 |  0.060312 |           0.060453 |
| configured to use "minikube"           |           |                    |
|                                        |  0.003591 |           0.003460 |
+----------------------------------------+-----------+--------------------+

[medyagh]

thank you for this PR