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Add completion for `--link` 

Signed-off-by: Harald Albers <github@albersweb.de>
This commit is contained in:
Harald Albers 2024-10-24 11:31:25 +00:00
parent 846439cdc4
commit 0e4b312b90
1 changed files with 27 additions and 0 deletions
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27
cli/command/container/completion.go
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@ -102,6 +102,7 @@ func addCompletions(cmd *cobra.Command, dockerCli command.Cli) {
_ = cmd.RegisterFlagCompletionFunc("isolation", completion.NoComplete) _ = cmd.RegisterFlagCompletionFunc("isolation", completion.NoComplete)
_ = cmd.RegisterFlagCompletionFunc("kernel-memory", completion.NoComplete) _ = cmd.RegisterFlagCompletionFunc("kernel-memory", completion.NoComplete)
_ = cmd.RegisterFlagCompletionFunc("label", completion.NoComplete) _ = cmd.RegisterFlagCompletionFunc("label", completion.NoComplete)
_ = cmd.RegisterFlagCompletionFunc("link", completeLink(dockerCli))
_ = cmd.RegisterFlagCompletionFunc("network", completion.NetworkNames(dockerCli)) _ = cmd.RegisterFlagCompletionFunc("network", completion.NetworkNames(dockerCli))
_ = cmd.RegisterFlagCompletionFunc("platform", completion.Platforms) _ = cmd.RegisterFlagCompletionFunc("platform", completion.Platforms)
_ = cmd.RegisterFlagCompletionFunc("pull", completion.FromList(PullImageAlways, PullImageMissing, PullImageNever)) _ = cmd.RegisterFlagCompletionFunc("pull", completion.FromList(PullImageAlways, PullImageMissing, PullImageNever))
@ -125,6 +126,23 @@ func completeIpc(cli command.Cli) func(cmd *cobra.Command, args []string, toComp
} }
} }
// completeLink implements shell completion for the `--link` option of `run` and `create`.
func completeLink(cli command.Cli) func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
return func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
return postfixWith(":", containerNames(cli, cmd, args, toComplete)), cobra.ShellCompDirectiveNoSpace
}
}
// containerNames contacts the API to get names and optionally IDs of containers.
// In case of an error, an empty list is returned.
func containerNames(dockerCLI completion.APIClientProvider, cmd *cobra.Command, args []string, toComplete string) []string {
names, _ := completion.ContainerNames(dockerCLI, true)(cmd, args, toComplete)
if names == nil {
return []string{}
}
return names
}
// prefixWith prefixes every element in the slice with the given prefix. // prefixWith prefixes every element in the slice with the given prefix.
func prefixWith(prefix string, values []string) []string { func prefixWith(prefix string, values []string) []string {
result := make([]string, len(values)) result := make([]string, len(values))
@ -134,6 +152,15 @@ func prefixWith(prefix string, values []string) []string {
return result return result
} }
// postfixWith appends postfix to every element in the slice.
func postfixWith(postfix string, values []string) []string {
result := make([]string, len(values))
for i, v := range values {
result[i] = v + postfix
}
return result
}
func completeLinuxCapabilityNames(cmd *cobra.Command, args []string, toComplete string) (names []string, _ cobra.ShellCompDirective) { func completeLinuxCapabilityNames(cmd *cobra.Command, args []string, toComplete string) (names []string, _ cobra.ShellCompDirective) {
return completion.FromList(allLinuxCapabilities()...)(cmd, args, toComplete) return completion.FromList(allLinuxCapabilities()...)(cmd, args, toComplete)
} }