ct attempts to run `helm init` during `ct lint` and `ct install` commands when chart path has unescaped `/`

[emmeowzing]

Is this a request for help?: No

---

Is this a BUG REPORT or FEATURE REQUEST? (choose one): BUG REPORT

Version of Helm and Kubernetes:

$ helm version
version.BuildInfo{Version:"v3.7.1", GitCommit:"1d11fcb5d3f3bf00dbe6fe31b8412839a96b3dc4", GitTreeState:"clean", GoVersion:"go1.16.9"}

$ kubectl version
Client Version: version.Info{Major:"1", Minor:"22", GitVersion:"v1.22.3", GitCommit:"c92036820499fedefec0f847e2054d824aea6cd1", GitTreeState:"clean", BuildDate:"2021-10-27T18:41:28Z", GoVersion:"go1.16.9", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"21+", GitVersion:"v1.21.2-eks-0389ca3", GitCommit:"8a4e27b9d88142bbdd21b997b532eb6d493df6d2", GitTreeState:"clean", BuildDate:"2021-07-31T01:34:46Z", GoVersion:"go1.16.5", Compiler:"gc", Platform:"linux/amd64"}

$ ct version
Version:	 v2.5.0
Git commit:	 aada0fd8afdace92a47da400274ec0211be9fefd
Date:		 2021-09-03T07:48:00Z
License:	 Apache 2.0

What happened: Running ct lint or ct install results in the following output -

$ ct lint --config .chart-testing.yaml
Linting charts...
Using config file:  .chart-testing.yaml
------------------------------------------------------------------------------------------------------------------------
 Configuration
------------------------------------------------------------------------------------------------------------------------
Remote: origin
TargetBranch: master
Since: HEAD
BuildId:
LintConf: .helm-lint.yaml
ChartYamlSchema: .helm-chart-schema.yaml
ValidateMaintainers: false
ValidateChartSchema: true
ValidateYaml: true
CheckVersionIncrement: true
ProcessAllCharts: false
Charts: []
ChartRepos: [bitnami=https://charts.bitnami.com/bitnami]
ChartDirs: [apps/helm-apps helm]
ExcludedCharts: [metrics-server]
HelmExtraArgs:
HelmRepoExtraArgs: []
Debug: false
Upgrade: false
SkipMissingValues: false
Namespace:
ReleaseLabel:
------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------
 Charts to be processed:
------------------------------------------------------------------------------------------------------------------------
 metrics-server => (version: "1.0.1", path: "apps/helm-apps/metrics-server")
------------------------------------------------------------------------------------------------------------------------

Error: unknown command "init" for "helm"

Did you mean this?
	lint

Error linting charts: Error initializing Helm: Error waiting for process: exit status 1
------------------------------------------------------------------------------------------------------------------------
No chart changes detected.
------------------------------------------------------------------------------------------------------------------------

you'll see above that, for some reason, ct wants to run helm init? When that is not a valid command on Helm v3.

What you expected to happen: ct lint or install to complete successfully.

How to reproduce it (as minimally and precisely as possible): Add a path under chart-dirs that has an unescaped / (backslash) in the path. If you switch it to, however, \/, or an escaped backslash, this completes successfully.

Anything else we need to know: I'm not sure where or how helm init is even called, because it doesn't appear to reside within this codebase (searching for helm init, or init in general).

[codificat]

$ ct version Version: v2.5.0

you'll see above that, for some reason, ct wants to run helm init? When that is not a valid command on Helm v3.

Does this happen with ct version 3.x? e.g. the latest v3.4.0

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