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opts: deprecate ValidateHost utility

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The `ValidateHost` option was introduced in [moby@1ba1138] to be used
as validation func for the `--host` flag on the daemon in and CLI in
[moby@5e3f6e7], but is no longer used since [cli@6f61cf0]. which added
support for `ssh://` connections, and required validation elsewhere.

[moby@1ba1138]: https://github.com/moby/moby/commit/1ba11384bf82f824b0efbab31aaca439cfba1b4f
[moby@5e3f6e7]: https://github.com/moby/moby/commit/5e3f6e7023fbd0cfd1233a99c332801755340cfb
[cli@6f61cf0]: https://github.com/docker/cli/commit/6f61cf053afc927379cfef91d241539c36d070f6

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn
2025-08-15 22:16:11 +02:00
parent 53b6fddced
commit d0ac0acff0
1 changed files with 1 additions and 1 deletions
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opts/hosts.go
+1 -1
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@@ -34,7 +34,7 @@ const (
// ValidateHost validates that the specified string is a valid host and returns it.
//
// TODO(thaJeztah): ValidateHost appears to be unused; deprecate it.
// Deprecated: this function is no longer used, and will be removed in the next release.
func ValidateHost(val string) (string, error) {
host := strings.TrimSpace(val)
// The empty string means default and is not handled by parseDockerDaemonHost