feat: new configuration system, config subcommand

README.md

@@ -142,18 +142,31 @@ You can control output via the `-o` option:
   The template’s input is the resource’s corresponding struct in the
   [hcloud-go](https://godoc.org/github.com/hetznercloud/hcloud-go/hcloud) library.
 
-## Configure hcloud using environment variables
-
-You can use the following environment variables to configure `hcloud`:
-
-* `HCLOUD_TOKEN`
-* `HCLOUD_CONTEXT`
-* `HCLOUD_CONFIG`
-
-When using `hcloud` in scripts, for example, it may be cumbersome to work with
-contexts. Instead of creating a context, you can set the token via the `HCLOUD_TOKEN`
-environment variable. When combined with tools like [direnv](https://direnv.net), you
-can configure a per-directory context by setting `HCLOUD_CONTEXT=my-context` via `.envrc`.
+## Configuring hcloud
+
+The hcloud CLI tool allows configuration using following methods:
+1. Configuration file
+2. Environment variables
+3. Command line flags
+
+A higher number means a higher priority. For example, a command line flag will 
+always override an environment variable.
+
+The configuration file is located at `~/.config/hcloud/cli.toml` by default 
+(On Windows: `%APPDATA%\hcloud\cli.toml`). You can change the location by setting 
+the `HCLOUD_CONFIG` environment variable or the `--config` flag. The configuration file
+stores global preferences, the currently active context, all contexts and 
+context-specific preferences. Contexts always store a token and can optionally have
+additional preferences which take precedence over the globally set preferences.
+
+However, a config file is not required. If no config file is found, the CLI will
+use the default configuration. Overriding options using environment variables allows 
+hcloud CLI to function in a stateless way. For example, setting `HCLOUD_TOKEN` is
+already enough in many cases.
+
+You can use the `hcloud config` command to manage your configuration, for example 
+to get, list, set and unset configuration options and preferences. You can view a list
+of all available options and preferences by running `hcloud config --help`.
 
 ## Examples
 

cmd/hcloud/main.go

@@ -8,6 +8,7 @@ import (
 	"github.com/hetznercloud/cli/internal/cmd/all"
 	"github.com/hetznercloud/cli/internal/cmd/certificate"
 	"github.com/hetznercloud/cli/internal/cmd/completion"
+	configCmd "github.com/hetznercloud/cli/internal/cmd/config"
 	"github.com/hetznercloud/cli/internal/cmd/context"
 	"github.com/hetznercloud/cli/internal/cmd/datacenter"
 	"github.com/hetznercloud/cli/internal/cmd/firewall"
@@ -37,14 +38,10 @@ func init() {
 }
 
 func main() {
-	configPath := os.Getenv("HCLOUD_CONFIG")
-	if configPath == "" {
-		configPath = config.DefaultConfigPath()
-	}
 
-	cfg, err := config.ReadConfig(configPath)
-	if err != nil {
-		log.Fatalf("unable to read config file %q: %s\n", configPath, err)
+	cfg := config.New()
+	if err := cfg.Read(nil); err != nil {
+		log.Fatalf("unable to read config file \"%s\": %s\n", cfg.Path(), err)
 	}
 
 	s, err := state.New(cfg)
@@ -78,6 +75,7 @@ func main() {
 		version.NewCommand(s),
 		completion.NewCommand(s),
 		context.NewCommand(s),
+		configCmd.NewCommand(s),
 	)
 
 	if err := rootCommand.Execute(); err != nil {

go.mod

@@ -12,9 +12,11 @@ require (
 	github.com/golang/mock v1.6.0
 	github.com/guptarohit/asciigraph v0.7.1
 	github.com/hetznercloud/hcloud-go/v2 v2.8.0
+	github.com/jedib0t/go-pretty/v6 v6.5.9
 	github.com/pelletier/go-toml/v2 v2.2.2
 	github.com/spf13/cobra v1.8.0
 	github.com/spf13/pflag v1.0.5
+	github.com/spf13/viper v1.18.2
 	github.com/stretchr/testify v1.9.0
 	golang.org/x/crypto v0.23.0
 	golang.org/x/term v0.20.0
@@ -24,23 +26,37 @@ require (
 	github.com/VividCortex/ewma v1.2.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/fsnotify/fsnotify v1.7.0 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/magiconair/properties v1.8.7 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-runewidth v0.0.15 // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/prometheus/client_golang v1.19.0 // indirect
 	github.com/prometheus/client_model v0.5.0 // indirect
 	github.com/prometheus/common v0.48.0 // indirect
 	github.com/prometheus/procfs v0.12.0 // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
+	github.com/sagikazarmark/locafero v0.4.0 // indirect
+	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
+	github.com/sourcegraph/conc v0.3.0 // indirect
+	github.com/spf13/afero v1.11.0 // indirect
+	github.com/spf13/cast v1.6.0 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
+	go.uber.org/atomic v1.9.0 // indirect
+	go.uber.org/multierr v1.9.0 // indirect
+	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
 	golang.org/x/mod v0.14.0 // indirect
 	golang.org/x/net v0.24.0 // indirect
 	golang.org/x/sys v0.20.0 // indirect
 	golang.org/x/text v0.15.0 // indirect
 	golang.org/x/tools v0.17.0 // indirect
 	golang.org/x/xerrors v0.0.0-20231012003039-104605ab7028 // indirect
 	google.golang.org/protobuf v1.32.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -10,14 +10,19 @@ github.com/cheggaaa/pb/v3 v3.1.5 h1:QuuUzeM2WsAqG2gMqtzaWithDJv0i+i6UlnwSCI4QLk=
 github.com/cheggaaa/pb/v3 v3.1.5/go.mod h1:CrxkeghYTXi1lQBEI7jSn+3svI3cuc19haAj6jM60XI=
 github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
+github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
 github.com/fatih/color v1.17.0 h1:GlRw1BRJxkpqUCBKzKOw098ed57fEsKeNjpTe3cSjK4=
 github.com/fatih/color v1.17.0/go.mod h1:YZ7TlrGPkiz6ku9fK3TLD/pl3CpsiFyu8N92HLgmosI=
 github.com/fatih/structs v1.1.0 h1:Q7juDM0QtcnhCpeyLGQKyg4TOIghuNXrkL32pHAUMxo=
 github.com/fatih/structs v1.1.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=
+github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
+github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
+github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
+github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
 github.com/go-playground/locales v0.13.0 h1:HyWk6mgj5qFqCT5fjGBuRArbVDfE4hi8+e8ceBS/t7Q=
 github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
 github.com/go-playground/universal-translator v0.17.0 h1:icxd5fm+REJzpZx7ZfpaD876Lmtgy7VtROAbHHXk8no=
@@ -32,27 +37,36 @@ github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/guptarohit/asciigraph v0.7.1 h1:K+JWbRc04XEfv8BSZgNuvhCmpbvX4+9NYd/UxXVnAuk=
 github.com/guptarohit/asciigraph v0.7.1/go.mod h1:dYl5wwK4gNsnFf9Zp+l06rFiDZ5YtXM6x7SRWZ3KGag=
+github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
+github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/hetznercloud/hcloud-go/v2 v2.8.0 h1:vfbfL/JfV8dIZUX7ANHWEbKNqgFWsETqvt/EctvoFJ0=
 github.com/hetznercloud/hcloud-go/v2 v2.8.0/go.mod h1:jvpP3qAWMIZ3WQwQLYa97ia6t98iPCgsJNwRts+Jnrk=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/jedib0t/go-pretty/v6 v6.5.9 h1:ACteMBRrrmm1gMsXe9PSTOClQ63IXDUt03H5U+UV8OU=
+github.com/jedib0t/go-pretty/v6 v6.5.9/go.mod h1:zbn98qrYlh95FIhwwsbIip0LYpwSG8SUOScs+v9/t0E=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/leodido/go-urn v1.2.0 h1:hpXL4XnriNwQ/ABnpepYM/1vCLWNDfUNts8dX3xTG6Y=
 github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgxpxOKII=
+github.com/magiconair/properties v1.8.7 h1:IeQXZAiQcpL9mgcAe1Nu6cX9LLw6ExEHKjN0VQdvPDY=
+github.com/magiconair/properties v1.8.7/go.mod h1:Dhd985XPs7jluiymwWYZ0G4Z61jb3vdS329zhj2hYo0=
 github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
 github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/mattn/go-runewidth v0.0.15 h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZgg3U=
 github.com/mattn/go-runewidth v0.0.15/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
+github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
+github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/pelletier/go-toml/v2 v2.2.2 h1:aYUidT7k73Pcl9nb2gScu7NSrKCSHIDE89b3+6Wq+LM=
 github.com/pelletier/go-toml/v2 v2.2.2/go.mod h1:1t835xjRzz80PqgE6HHgN2JOsmgYu/h4qDAS4n929Rs=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
+github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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 github.com/prometheus/client_golang v1.19.0/go.mod h1:ZRM9uEAypZakd+q/x7+gmsvXdURP+DABIEIjnmDdp+k=
 github.com/prometheus/client_model v0.5.0 h1:VQw1hfvPvk3Uv6Qf29VrPF32JB6rtbgI6cYPYQjL0Qw=
@@ -66,26 +80,47 @@ github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJ
 github.com/rogpeppe/go-internal v1.11.0 h1:cWPaGQEPrBb5/AsnsZesgZZ9yb1OQ+GOISoDNXVBh4M=
 github.com/rogpeppe/go-internal v1.11.0/go.mod h1:ddIwULY96R17DhadqLgMfk9H9tvdUzkipdSkR5nkCZA=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/sagikazarmark/locafero v0.4.0 h1:HApY1R9zGo4DBgr7dqsTH/JJxLTTsOt7u6keLGt6kNQ=
+github.com/sagikazarmark/locafero v0.4.0/go.mod h1:Pe1W6UlPYUk/+wc/6KFhbORCfqzgYEpgQ3O5fPuL3H4=
+github.com/sagikazarmark/slog-shim v0.1.0 h1:diDBnUNK9N/354PgrxMywXnAwEr1QZcOr6gto+ugjYE=
+github.com/sagikazarmark/slog-shim v0.1.0/go.mod h1:SrcSrq8aKtyuqEI1uvTDTK1arOWRIczQRv+GVI1AkeQ=
+github.com/sourcegraph/conc v0.3.0 h1:OQTbbt6P72L20UqAkXXuLOj79LfEanQ+YQFNpLA9ySo=
+github.com/sourcegraph/conc v0.3.0/go.mod h1:Sdozi7LEKbFPqYX2/J+iBAM6HpqSLTASQIKqDmF7Mt0=
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 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.23.0 h1:dIJU/v2J8Mdglj/8rJ6UUOM3Zc9zLZxVZwwxMooUSAI=
 golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8=
+golang.org/x/exp v0.0.0-20230905200255-921286631fa9 h1:GoHiUyI/Tp2nVkLI2mCxVkOjsbSXD66ic0XW0js0R9g=
+golang.org/x/exp v0.0.0-20230905200255-921286631fa9/go.mod h1:S2oDrQGGwySpoQPVqRShND87VCbxmc6bL1Yd2oYrm6k=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.14.0 h1:dGoOF9QVLYng8IHTm7BAyWqCqSheQ5pYWGhzW00YJr0=
@@ -134,6 +169,8 @@ google.golang.org/protobuf v1.32.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHh
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
+gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
+gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/cli/root.go

@@ -2,12 +2,11 @@ package cli
 
 import (
 	"os"
-	"time"
 
 	"github.com/spf13/cobra"
 
 	"github.com/hetznercloud/cli/internal/state"
-	"github.com/hetznercloud/hcloud-go/v2/hcloud"
+	"github.com/hetznercloud/cli/internal/state/config"
 )
 
 func NewRootCommand(s state.State) *cobra.Command {
@@ -20,18 +19,13 @@ func NewRootCommand(s state.State) *cobra.Command {
 		SilenceErrors:         true,
 		DisableFlagsInUseLine: true,
 	}
-	cmd.PersistentFlags().Duration("poll-interval", 500*time.Millisecond, "Interval at which to poll information, for example action progress")
-	cmd.PersistentFlags().Bool("quiet", false, "Only print error messages")
 
-	cmd.PersistentPreRunE = func(cmd *cobra.Command, args []string) error {
-		pollInterval, err := cmd.Flags().GetDuration("poll-interval")
-		if err != nil {
-			return err
-		}
-		s.Client().WithOpts(hcloud.WithPollBackoffFunc(hcloud.ConstantBackoff(pollInterval)))
+	cmd.PersistentFlags().AddFlagSet(s.Config().FlagSet())
 
+	cmd.PersistentPreRunE = func(cmd *cobra.Command, args []string) error {
+		var err error
 		out := os.Stdout
-		if quiet, _ := cmd.Flags().GetBool("quiet"); quiet {
+		if quiet := config.OptionQuiet.Get(s.Config()); quiet {
 			out, err = os.Open(os.DevNull)
 			if err != nil {
 				return err

internal/cmd/base/create.go

@@ -9,6 +9,7 @@ import (
 	"github.com/hetznercloud/cli/internal/cmd/util"
 	"github.com/hetznercloud/cli/internal/hcapi2"
 	"github.com/hetznercloud/cli/internal/state"
+	"github.com/hetznercloud/cli/internal/state/config"
 )
 
 // CreateCmd allows defining commands for resource creation
@@ -42,7 +43,7 @@ func (cc *CreateCmd) CobraCommand(s state.State) *cobra.Command {
 	cmd.RunE = func(cmd *cobra.Command, args []string) error {
 		outputFlags := output.FlagsForCommand(cmd)
 
-		quiet, _ := cmd.Flags().GetBool("quiet")
+		quiet := config.OptionQuiet.Get(s.Config())
 
 		isSchema := outputFlags.IsSet("json") || outputFlags.IsSet("yaml")
 		if isSchema && !quiet {

internal/cmd/cmpl/suggestions.go

@@ -93,3 +93,14 @@ func SuggestArgs(
 		return f(cmd, args, toComplete)
 	}
 }
+
+// NoFileCompletion returns a function that provides completion suggestions without
+// file completion.
+func NoFileCompletion(f func(*cobra.Command, []string, string) ([]string, cobra.ShellCompDirective)) func(
+	*cobra.Command, []string, string) ([]string, cobra.ShellCompDirective) {
+
+	return func(command *cobra.Command, i []string, s string) ([]string, cobra.ShellCompDirective) {
+		candidates, _ := f(command, i, s)
+		return candidates, cobra.ShellCompDirectiveNoFileComp
+	}
+}