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Consistent annotation names (#2140)

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Add `Annotation` suffix to the private annotations to allow nicer code
using the constants.

For example one can use the current annotation names as a temporary
variable instead of unclear shortcut. Instead of this:

    rag := flagsFromAnnotation(c, f, requiredAsGroup)
    me := flagsFromAnnotation(c, f, mutuallyExclusive)
    or := flagsFromAnnotation(c, f, oneRequired)

We can use now:

    requiredAsGrop := flagsFromAnnotation(c, f, requiredAsGroupAnnotation)
    mutuallyExclusive := flagsFromAnnotation(c, f, mutuallyExclusiveAnnotation)
    oneRequired := flagsFromAnnotation(c, f, oneRequiredAnnotation)

Example taken from #2105.
This commit is contained in:
Nir Soffer 2024-05-18 16:41:31 +03:00 committed by GitHub
parent 5a1acea321
commit 5c2c1d627d
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GPG key ID: B5690EEEBB952194
1 changed files with 12 additions and 12 deletions
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24
flag_groups.go
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@ -23,9 +23,9 @@ import (
)
const (
requiredAsGroup = "cobra_annotation_required_if_others_set"
oneRequired = "cobra_annotation_one_required"
mutuallyExclusive = "cobra_annotation_mutually_exclusive"
requiredAsGroupAnnotation = "cobra_annotation_required_if_others_set"
oneRequiredAnnotation = "cobra_annotation_one_required"
mutuallyExclusiveAnnotation = "cobra_annotation_mutually_exclusive"
)
// MarkFlagsRequiredTogether marks the given flags with annotations so that Cobra errors
@ -37,7 +37,7 @@ func (c *Command) MarkFlagsRequiredTogether(flagNames ...string) {
if f == nil {
panic(fmt.Sprintf("Failed to find flag %q and mark it as being required in a flag group", v))
}
if err := c.Flags().SetAnnotation(v, requiredAsGroup, append(f.Annotations[requiredAsGroup], strings.Join(flagNames, " "))); err != nil {
if err := c.Flags().SetAnnotation(v, requiredAsGroupAnnotation, append(f.Annotations[requiredAsGroupAnnotation], strings.Join(flagNames, " "))); err != nil {
// Only errs if the flag isn't found.
panic(err)
}
@ -53,7 +53,7 @@ func (c *Command) MarkFlagsOneRequired(flagNames ...string) {
if f == nil {
panic(fmt.Sprintf("Failed to find flag %q and mark it as being in a one-required flag group", v))
}
if err := c.Flags().SetAnnotation(v, oneRequired, append(f.Annotations[oneRequired], strings.Join(flagNames, " "))); err != nil {
if err := c.Flags().SetAnnotation(v, oneRequiredAnnotation, append(f.Annotations[oneRequiredAnnotation], strings.Join(flagNames, " "))); err != nil {
// Only errs if the flag isn't found.
panic(err)
}
@ -70,7 +70,7 @@ func (c *Command) MarkFlagsMutuallyExclusive(flagNames ...string) {
panic(fmt.Sprintf("Failed to find flag %q and mark it as being in a mutually exclusive flag group", v))
}
// Each time this is called is a single new entry; this allows it to be a member of multiple groups if needed.
if err := c.Flags().SetAnnotation(v, mutuallyExclusive, append(f.Annotations[mutuallyExclusive], strings.Join(flagNames, " "))); err != nil {
if err := c.Flags().SetAnnotation(v, mutuallyExclusiveAnnotation, append(f.Annotations[mutuallyExclusiveAnnotation], strings.Join(flagNames, " "))); err != nil {
panic(err)
}
}
@ -91,9 +91,9 @@ func (c *Command) ValidateFlagGroups() error {
oneRequiredGroupStatus := map[string]map[string]bool{}
mutuallyExclusiveGroupStatus := map[string]map[string]bool{}
flags.VisitAll(func(pflag *flag.Flag) {
processFlagForGroupAnnotation(flags, pflag, requiredAsGroup, groupStatus)
processFlagForGroupAnnotation(flags, pflag, oneRequired, oneRequiredGroupStatus)
processFlagForGroupAnnotation(flags, pflag, mutuallyExclusive, mutuallyExclusiveGroupStatus)
processFlagForGroupAnnotation(flags, pflag, requiredAsGroupAnnotation, groupStatus)
processFlagForGroupAnnotation(flags, pflag, oneRequiredAnnotation, oneRequiredGroupStatus)
processFlagForGroupAnnotation(flags, pflag, mutuallyExclusiveAnnotation, mutuallyExclusiveGroupStatus)
})
if err := validateRequiredFlagGroups(groupStatus); err != nil {
@ -232,9 +232,9 @@ func (c *Command) enforceFlagGroupsForCompletion() {
oneRequiredGroupStatus := map[string]map[string]bool{}
mutuallyExclusiveGroupStatus := map[string]map[string]bool{}
c.Flags().VisitAll(func(pflag *flag.Flag) {
processFlagForGroupAnnotation(flags, pflag, requiredAsGroup, groupStatus)
processFlagForGroupAnnotation(flags, pflag, oneRequired, oneRequiredGroupStatus)
processFlagForGroupAnnotation(flags, pflag, mutuallyExclusive, mutuallyExclusiveGroupStatus)
processFlagForGroupAnnotation(flags, pflag, requiredAsGroupAnnotation, groupStatus)
processFlagForGroupAnnotation(flags, pflag, oneRequiredAnnotation, oneRequiredGroupStatus)
processFlagForGroupAnnotation(flags, pflag, mutuallyExclusiveAnnotation, mutuallyExclusiveGroupStatus)
})
// If a flag that is part of a group is present, we make all the other flags