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Set max column width for help output.

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Also add > to flag description so easier to differentiate between a new
flag description.
This commit is contained in:
Luke Kysow
2018-03-07 13:36:24 -08:00
parent 35d3e14124
commit b45ee9c86c
1 changed files with 7 additions and 3 deletions
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10
cmd/server.go
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@@ -197,6 +197,10 @@ Config file values are overridden by environment variables which in turn are ove
return s.run()
}),
}
// Replace the call in their template to use the usage function that wraps
// columns to make for a nicer output.
usageWithWrappedCols := strings.Replace(c.UsageTemplate(), ".FlagUsages", ".FlagUsagesWrapped 120", -1)
c.SetUsageTemplate(usageWithWrappedCols)
// If a user passes in an invalid flag, tell them what the flag was.
c.SetFlagErrorFunc(func(c *cobra.Command, err error) error {
@@ -206,7 +210,7 @@ Config file values are overridden by environment variables which in turn are ove
// Set string flags.
for _, f := range stringFlags {
c.Flags().String(f.name, f.value, f.description)
c.Flags().String(f.name, f.value, "> "+f.description)
if f.env != "" {
s.Viper.BindEnv(f.name, f.env) // nolint: errcheck
}
@@ -215,13 +219,13 @@ Config file values are overridden by environment variables which in turn are ove
// Set int flags.
for _, f := range intFlags {
c.Flags().Int(f.name, f.value, f.description)
c.Flags().Int(f.name, f.value, "> "+f.description)
s.Viper.BindPFlag(f.name, c.Flags().Lookup(f.name)) // nolint: errcheck
}
// Set bool flags.
for _, f := range boolFlags {
c.Flags().Bool(f.name, f.value, f.description)
c.Flags().Bool(f.name, f.value, "> "+f.description)
s.Viper.BindPFlag(f.name, c.Flags().Lookup(f.name)) // nolint: errcheck
}