cmd: Migrate to `spf13/cobra`, remove single-dash arg support (#4565)

* cmd: migrate to spf13/cobra

* add `manpage` command

* limit Caddy tagline to root `help` only

* hard-code the manpage section to 8

6 files changed, 123 insertions, 126 deletions

diff --git a/cmd/cobra.go b/cmd/cobra.go
new file mode 100644
index 0000000..ad95ec0
--- /dev/null
+++ b/cmd/cobra.go
@@ -0,0 +1,33 @@
+package caddycmd
+
+import (
+	"github.com/spf13/cobra"
+)
+
+var rootCmd = &cobra.Command{
+	Use: "caddy",
+}
+
+const docsHeader = "{{if not .HasParent}} Caddy is an extensible server platform.\n\n{{end}}"
+const fullDocsFooter = `Full documentation is available at:
+https://caddyserver.com/docs/command-line
+`
+
+func init() {
+	rootCmd.SetHelpTemplate(docsHeader + rootCmd.HelpTemplate() + "\n" + fullDocsFooter)
+}
+
+func caddyCmdToCoral(caddyCmd Command) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   caddyCmd.Name,
+		Short: caddyCmd.Short,
+		Long:  caddyCmd.Long,
+		RunE: func(cmd *cobra.Command, _ []string) error {
+			fls := cmd.Flags()
+			_, err := caddyCmd.Func(Flags{fls})
+			return err
+		},
+	}
+	cmd.Flags().AddGoFlagSet(caddyCmd.Flags)
+	return cmd
+}
diff --git a/cmd/commandfuncs.go b/cmd/commandfuncs.go
index 67015f7..874cc6f 100644
--- a/cmd/commandfuncs.go
+++ b/cmd/commandfuncs.go
@@ -29,7 +29,6 @@ import (
 	"os/exec"
 	"runtime"
 	"runtime/debug"
-	"sort"
 	"strings"
 
 	"github.com/aryann/difflib"
@@ -580,70 +579,6 @@ func cmdFmt(fl Flags) (int, error) {
 	return caddy.ExitCodeSuccess, nil
 }
 
-func cmdHelp(fl Flags) (int, error) {
-	const fullDocs = `Full documentation is available at:
-https://caddyserver.com/docs/command-line`
-
-	args := fl.Args()
-	if len(args) == 0 {
-		s := `Caddy is an extensible server platform.
-
-usage:
-  caddy <command> [<args...>]
-
-commands:
-`
-		keys := make([]string, 0, len(commands))
-		for k := range commands {
-			keys = append(keys, k)
-		}
-		sort.Strings(keys)
-		for _, k := range keys {
-			cmd := commands[k]
-			short := strings.TrimSuffix(cmd.Short, ".")
-			s += fmt.Sprintf("  %-15s %s\n", cmd.Name, short)
-		}
-
-		s += "\nUse 'caddy help <command>' for more information about a command.\n"
-		s += "\n" + fullDocs + "\n"
-
-		fmt.Print(s)
-
-		return caddy.ExitCodeSuccess, nil
-	} else if len(args) > 1 {
-		return caddy.ExitCodeFailedStartup, fmt.Errorf("can only give help with one command")
-	}
-
-	subcommand, ok := commands[args[0]]
-	if !ok {
-		return caddy.ExitCodeFailedStartup, fmt.Errorf("unknown command: %s", args[0])
-	}
-
-	helpText := strings.TrimSpace(subcommand.Long)
-	if helpText == "" {
-		helpText = subcommand.Short
-		if !strings.HasSuffix(helpText, ".") {
-			helpText += "."
-		}
-	}
-
-	result := fmt.Sprintf("%s\n\nusage:\n  caddy %s %s\n",
-		helpText,
-		subcommand.Name,
-		strings.TrimSpace(subcommand.Usage),
-	)
-
-	if help := flagHelp(subcommand.Flags); help != "" {
-		result += fmt.Sprintf("\nflags: (NOTE: prefix flags with `--` instead of `-`)\n%s", help)
-	}
-
-	result += "\n" + fullDocs + "\n"
-
-	fmt.Print(result)
-
-	return caddy.ExitCodeSuccess, nil
-}
-
 // AdminAPIRequest makes an API request according to the CLI flags given,
 // with the given HTTP method and request URI. If body is non-nil, it will
 // be assumed to be Content-Type application/json. The caller should close
diff --git a/cmd/commands.go b/cmd/commands.go
index e454f7b..2085dfc 100644
--- a/cmd/commands.go
+++ b/cmd/commands.go
@@ -16,7 +16,13 @@ package caddycmd
 
 import (
 	"flag"
+	"fmt"
+	"os"
 	"regexp"
+	"strings"
+
+	"github.com/caddyserver/caddy/v2"
+	"github.com/spf13/cobra/doc"
 )
 
 // Command represents a subcommand. Name, Func,
@@ -71,13 +77,6 @@ var commands = make(map[string]Command)
 
 func init() {
 	RegisterCommand(Command{
-		Name:  "help",
-		Func:  cmdHelp,
-		Usage: "<command>",
-		Short: "Shows help for a Caddy subcommand",
-	})
-
-	RegisterCommand(Command{
 		Name:  "start",
 		Func:  cmdStart,
 		Usage: "[--config <path> [--adapter <name>]] [--envfile <path>] [--watch] [--pidfile <file>]",
@@ -346,16 +345,50 @@ EXPERIMENTAL: May be changed or removed.
 		}(),
 	})
 
+	RegisterCommand(Command{
+		Name: "manpage",
+		Func: func(fl Flags) (int, error) {
+			dir := strings.TrimSpace(fl.String("directory"))
+			if dir == "" {
+				return caddy.ExitCodeFailedQuit, fmt.Errorf("designated output directory and specified section are required")
+			}
+			if err := os.MkdirAll(dir, 0755); err != nil {
+				return caddy.ExitCodeFailedQuit, err
+			}
+			if err := doc.GenManTree(rootCmd, &doc.GenManHeader{
+				Title:   "Caddy",
+				Section: "8",
+			}, dir); err != nil {
+				return caddy.ExitCodeFailedQuit, err
+			}
+			return caddy.ExitCodeSuccess, nil
+		},
+		Usage: "--directory <directory path>",
+		Short: "Generates the manual pages of Caddy commands",
+		Long: `
+Generates the manual pages of Caddy commands into the designated directory tagged into the specified section.
+
+The manual page files are generated into the directory specified by the argument of --directory. If the directory does not exist, it will be created.
+
+The manual pages are sorted into the section specified by the argument of --section.
+`,
+		Flags: func() *flag.FlagSet {
+			fs := flag.NewFlagSet("manpage", flag.ExitOnError)
+			fs.String("directory", "", "The output directory where the manpages are generated")
+			fs.String("section", "", "The section number of the generated manual pages")
+			return fs
+		}(),
+	})
 }
 
 // RegisterCommand registers the command cmd.
 // cmd.Name must be unique and conform to the
 // following format:
 //
-//    - lowercase
-//    - alphanumeric and hyphen characters only
-//    - cannot start or end with a hyphen
-//    - hyphen cannot be adjacent to another hyphen
+//   - lowercase
+//   - alphanumeric and hyphen characters only
+//   - cannot start or end with a hyphen
+//   - hyphen cannot be adjacent to another hyphen
 //
 // This function panics if the name is already registered,
 // if the name does not meet the described format, or if
@@ -378,7 +411,7 @@ func RegisterCommand(cmd Command) {
 	if !commandNameRegex.MatchString(cmd.Name) {
 		panic("invalid command name")
 	}
-	commands[cmd.Name] = cmd
+	rootCmd.AddCommand(caddyCmdToCoral(cmd))
 }
 
 var commandNameRegex = regexp.MustCompile(`^[a-z0-9]$|^([a-z0-9]+-?[a-z0-9]*)+[a-z0-9]$`)
diff --git a/cmd/main.go b/cmd/main.go
index 09246f4..44e339a 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -33,6 +33,7 @@ import (
 	"github.com/caddyserver/caddy/v2"
 	"github.com/caddyserver/caddy/v2/caddyconfig"
 	"github.com/caddyserver/certmagic"
+	"github.com/spf13/pflag"
 	"go.uber.org/zap"
 )
 
@@ -58,35 +59,9 @@ func Main() {
 		os.Args = append(os.Args, "help")
 	}
 
-	subcommandName := os.Args[1]
-	subcommand, ok := commands[subcommandName]
-	if !ok {
-		if strings.HasPrefix(os.Args[1], "-") {
-			// user probably forgot to type the subcommand
-			fmt.Println("[ERROR] first argument must be a subcommand; see 'caddy help'")
-		} else {
-			fmt.Printf("[ERROR] '%s' is not a recognized subcommand; see 'caddy help'\n", os.Args[1])
-		}
-		os.Exit(caddy.ExitCodeFailedStartup)
-	}
-
-	fs := subcommand.Flags
-	if fs == nil {
-		fs = flag.NewFlagSet(subcommand.Name, flag.ExitOnError)
-	}
-
-	err := fs.Parse(os.Args[2:])
-	if err != nil {
-		fmt.Println(err)
-		os.Exit(caddy.ExitCodeFailedStartup)
+	if err := rootCmd.Execute(); err != nil {
+		os.Exit(1)
 	}
-
-	exitCode, err := subcommand.Func(Flags{fs})
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "%s: %v\n", subcommand.Name, err)
-	}
-
-	os.Exit(exitCode)
 }
 
 // handlePingbackConn reads from conn and ensures it matches
@@ -280,7 +255,7 @@ func watchConfigFile(filename, adapterName string) {
 // Flags wraps a FlagSet so that typed values
 // from flags can be easily retrieved.
 type Flags struct {
-	*flag.FlagSet
+	*pflag.FlagSet
 }
 
 // String returns the string representation of the
@@ -326,22 +301,6 @@ func (f Flags) Duration(name string) time.Duration {
 	return val
 }
 
-// flagHelp returns the help text for fs.
-func flagHelp(fs *flag.FlagSet) string {
-	if fs == nil {
-		return ""
-	}
-
-	// temporarily redirect output
-	out := fs.Output()
-	defer fs.SetOutput(out)
-
-	buf := new(bytes.Buffer)
-	fs.SetOutput(buf)
-	fs.PrintDefaults()
-	return buf.String()
-}
-
 func loadEnvFromFile(envFile string) error {
 	file, err := os.Open(envFile)
 	if err != nil {
diff --git a/go.mod b/go.mod
index 3ad7819..f8f7863 100644
--- a/go.mod
+++ b/go.mod
@@ -21,6 +21,8 @@ require (
 	github.com/smallstep/cli v0.21.0
 	github.com/smallstep/nosql v0.4.0
 	github.com/smallstep/truststore v0.11.0
+	github.com/spf13/cobra v1.1.3
+	github.com/spf13/pflag v1.0.5
 	github.com/tailscale/tscert v0.0.0-20220316030059-54bbcb9f74e2
 	github.com/yuin/goldmark v1.4.13
 	github.com/yuin/goldmark-highlighting v0.0.0-20220208100518-594be1970594
@@ -40,6 +42,7 @@ require (
 require (
 	github.com/golang/mock v1.6.0 // indirect
 	golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
 )
 
 require (
@@ -53,7 +56,7 @@ require (
 	github.com/cespare/xxhash v1.1.0 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e // indirect
-	github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.1 // indirect
 	github.com/dgraph-io/badger v1.6.2 // indirect
 	github.com/dgraph-io/badger/v2 v2.2007.4 // indirect
 	github.com/dgraph-io/ristretto v0.0.4-0.20200906165740-41ebdbffecfd // indirect
@@ -72,6 +75,7 @@ require (
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
 	github.com/huandu/xstrings v1.3.2 // indirect
 	github.com/imdario/mergo v0.3.12 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
 	github.com/jackc/pgconn v1.10.1 // indirect
 	github.com/jackc/pgio v1.0.0 // indirect
@@ -101,7 +105,7 @@ require (
 	github.com/prometheus/common v0.32.1 // indirect
 	github.com/prometheus/procfs v0.7.3 // indirect
 	github.com/rs/xid v1.2.1 // indirect
-	github.com/russross/blackfriday/v2 v2.0.1 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/shopspring/decimal v1.2.0 // indirect
 	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
 	github.com/sirupsen/logrus v1.8.1 // indirect
diff --git a/go.sum b/go.sum
index a805006..e9409c1 100644
--- a/go.sum
+++ b/go.sum
@@ -40,6 +40,7 @@ cloud.google.com/go/compute v1.3.0 h1:mPL/MzDDYHsh5tHRS9mhmhWlcgClCrCa6ApQCU6wnH
 cloud.google.com/go/compute v1.3.0/go.mod h1:cCZiE1NHEtai4wiufUhW8I8S1JKkAnhnQJWM7YD99wM=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
+cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
 cloud.google.com/go/iam v0.1.0 h1:W2vbGCrE3Z7J/x3WXLxxGl9LMSB2uhsAA7Ss/6u/qRY=
 cloud.google.com/go/iam v0.1.0/go.mod h1:vcUNEa0pEm0qRVpmWepWaFMIAI8/hjB9mO8rNCJtF6c=
 cloud.google.com/go/kms v1.4.0 h1:iElbfoE61VeLhnZcGOltqL8HIly8Nhbe5t6JlH9GXjo=
@@ -128,6 +129,7 @@ github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+Ce
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
+github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
 github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps=
 github.com/caddyserver/certmagic v0.16.3 h1:1ZbiU7y5X0MnDjBTXywUbPMs/ScHbgCeeCy/LPh4IZk=
 github.com/caddyserver/certmagic v0.16.3/go.mod h1:pSS2aZcdKlrTZrb2DKuRafckx20o5Fz1EdDKEB8KOQM=
@@ -165,17 +167,22 @@ github.com/cockroachdb/apd v1.1.0 h1:3LFP3629v+1aKXU5Q37mxmRxX/pIu1nijXydLShEq5I
 github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
 github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
+github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
+github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
+github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
+github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
-github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/cpuguy83/go-md2man/v2 v2.0.1 h1:r/myEWzV9lfsM1tFLgDyu0atFtJ1fXn261LKYj/3DxU=
+github.com/cpuguy83/go-md2man/v2 v2.0.1/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/cyberdelia/go-metrics-graphite v0.0.0-20161219230853-39f87cc3b432/go.mod h1:xwIwAxMvYnVrGJPe2FKx5prTrnAjGOD8zvDOnxnrrkM=
@@ -194,6 +201,7 @@ github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZm
 github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
 github.com/dgryski/go-farm v0.0.0-20200201041132-a6ae2369ad13 h1:fAjc9m62+UWV/WAFKLNi6ZS0675eEUC9y3AlwSbQu1Y=
 github.com/dgryski/go-farm v0.0.0-20200201041132-a6ae2369ad13/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
+github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
 github.com/dimchansky/utfbom v1.1.0/go.mod h1:rO41eb7gLfo8SF1jd9F8HplJm1Fewwi4mQvIirEdv+8=
 github.com/dimchansky/utfbom v1.1.1/go.mod h1:SxdoEBH5qIqFocHMyGOXVAybYJdr71b1Q/j0mACtrfE=
 github.com/dlclark/regexp2 v1.4.0 h1:F1rxgk7p4uKjwIQxBs9oAXe5CqrXlCduYEJvrF4u93E=
@@ -278,6 +286,7 @@ github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zV
 github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
+github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
@@ -372,13 +381,18 @@ github.com/gorilla/mux v1.4.0/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2z
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@@ -438,6 +452,7 @@ github.com/imdario/mergo v0.3.8/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJ
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@@ -545,6 +560,7 @@ github.com/lxn/walk v0.0.0-20210112085537-c389da54e794/go.mod h1:E23UucZGqpuUANJ
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@@ -626,6 +642,7 @@ github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE=
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@@ -665,6 +682,7 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
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@@ -679,7 +697,9 @@ github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:
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@@ -689,12 +709,14 @@ github.com/prometheus/common v0.32.1 h1:hWIdL3N2HoUx3B8j3YN9mWor0qhY/NlEKZEaXxuI
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@@ -705,8 +727,9 @@ github.com/rs/xid v1.2.1/go.mod h1:+uKXf+4Djp6Md1KODXJxgGQPKngRmWyn10oCKFzNHOQ=
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@@ -753,10 +776,15 @@ github.com/spf13/cast v1.4.1 h1:s0hze+J0196ZfEMTs80N7UlFt0BDuQ7Q+JDnHiMWKdA=
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@@ -773,10 +801,12 @@ github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
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@@ -802,6 +832,7 @@ github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5t
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@@ -1160,6 +1191,7 @@ golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtn
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+golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191113191852-77e3bb0ad9e7/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
@@ -1394,6 +1426,7 @@ gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
 gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
+gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=