athmakuru/chef-automate: components/automate-deployment/pkg/depot/garbage_collect.go; 23 LoC

Found a possible issue in [athmakuru/chef-automate](https://www.github.com/athmakuru/chef-automate) at [components/automate-deployment/pkg/depot/garbage_collect.go](https://github.com/athmakuru/chef-automate/blob/0490640268847853c12192a7c0cd369669aa3f3c/components/automate-deployment/pkg/depot/garbage_collect.go#L66-L88)

Below is the message reported by the analyzer for this snippet of code. Beware that the analyzer only reports the first
issue it finds, so please do not limit your consideration to the contents of the below message.

>

[Click here to see the code in its original context.](https://github.com/athmakuru/chef-automate/blob/0490640268847853c12192a7c0cd369669aa3f3c/components/automate-deployment/pkg/depot/garbage_collect.go#L66-L88)

Click here to show the 23 line(s) of Go which triggered the analyzer.

```go
for _, candidate := range installedPkgs {
// only check packages like chef/deployment-service (part of automate) but
// skip packages like core/curl or chef/chef (not in automate)
keepers, isAutomatePkg := keepersByShortIdent[habpkg.ShortIdent(&candidate)]
if !isAutomatePkg {
continue
}

// don't delete if the version is the one we want
isKeeper := false
for _, keeper := range keepers {
if habpkg.Ident(&keeper) == habpkg.Ident(&candidate) {
isKeeper = true
break
}
}
if isKeeper {
continue
}

pkgsToDelete = append(pkgsToDelete, candidate)

}

```

Click here to show extra information the analyzer produced.

```
No path was found through the callgraph that could lead to a function which writes a pointer argument.

No path was found through the callgraph that could lead to a function which passes a pointer to third-party code.

root signature {Ident 1} was not found in the callgraph; reference was passed directly to third-party code
```

Leave a reaction on this issue to contribute to the project by classifying this instance as a **Bug** :-1:, **Mitigated** :+1:, or **Desirable Behavior** :rocket:
See the descriptions of the classifications [here](https://github.com/github-vet/rangeclosure-findings#how-can-i-help) for more information.

commit ID: 0490640268847853c12192a7c0cd369669aa3f3c