Remove buildah bud --loglevel ...

This was never hooked up and just causes confusion for users.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

contrib/completions/bash/buildah

@@ -424,7 +424,6 @@ return 1
      --isolation
      --ipc
      --label
-     --loglevel
      --manifest
      -m
      --memory

docs/buildah-bud.md

@@ -349,12 +349,6 @@ environment variable. `export BUILDAH_LAYERS=true`
 Log output which would be sent to standard output and standard error to the
 specified file instead of to standard output and standard error.
 
-**--loglevel** *number*
-
-Adjust the logging level up or down.  Valid option values range from -2 to 3,
-with 3 being roughly equivalent to using the global *--log-level=debug* option, and
-values below 0 omitting even error messages which accompany fatal errors.
-
 **--manifest** "manifest"
 
 Name of the manifest list to which the image will be added. Creates the manifest list

pkg/cli/common.go

@@ -64,7 +64,6 @@ type BudResults struct {
 	Iidfile             string
 	Label               []string
 	Logfile             string
-	Loglevel            int
 	Manifest            string
 	NoCache             bool
 	Timestamp           int64
@@ -191,7 +190,10 @@ func GetBudFlags(flags *BudResults) pflag.FlagSet {
 	fs.IntVar(&flags.Jobs, "jobs", 1, "how many stages to run in parallel")
 	fs.StringArrayVar(&flags.Label, "label", []string{}, "Set metadata for an image (default [])")
 	fs.StringVar(&flags.Logfile, "logfile", "", "log to `file` instead of stdout/stderr")
-	fs.IntVar(&flags.Loglevel, "loglevel", 0, "adjust logging level (range from -2 to 3)")
+	fs.Int("loglevel", 0, "NO LONGER USED, flag ignored, and hidden")
+	if err := fs.MarkHidden("loglevel"); err != nil {
+		panic(fmt.Sprintf("error marking the loglevel flag as hidden: %v", err))
+	}
 	fs.BoolVar(&flags.LogRusage, "log-rusage", false, "log resource usage at each build step")
 	if err := fs.MarkHidden("log-rusage"); err != nil {
 		panic(fmt.Sprintf("error marking the log-rusage flag as hidden: %v", err))
@@ -240,7 +242,6 @@ func GetBudFlagsCompletions() commonComp.FlagCompletions {
 	flagCompletion["jobs"] = commonComp.AutocompleteNone
 	flagCompletion["label"] = commonComp.AutocompleteNone
 	flagCompletion["logfile"] = commonComp.AutocompleteDefault
-	flagCompletion["loglevel"] = commonComp.AutocompleteDefault
 	flagCompletion["manifest"] = commonComp.AutocompleteDefault
 	flagCompletion["os"] = commonComp.AutocompleteNone
 	flagCompletion["platform"] = commonComp.AutocompleteNone