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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| // SPDX-FileCopyrightText: Copyright 2024 Prasad Tengse | ||
| // SPDX-License-Identifier: GPLv3-only | ||
|
|
||
| package common | ||
|
|
||
| import ( | ||
| "github.com/spf13/cobra" | ||
| "github.com/spf13/pflag" | ||
| ) | ||
|
|
||
| // AddTemplateFlags adds | ||
| // - String flag --template/-t | ||
| // - String flag --template-file/-T | ||
| // | ||
| // and marks both flags as MutuallyExclusive. | ||
| func AddTemplateFlags(cmd *cobra.Command, template, templateFile *string) { | ||
| cmd.Flags().StringVarP(template, "template", "t", "", "go template to render") | ||
| cmd.Flags().StringVarP(templateFile, "template-file", "T", "", "go template file to render") | ||
| cmd.MarkFlagsMutuallyExclusive("template", "template-file") | ||
| } | ||
|
|
||
| // AddOutputFlagsWithAppend adds | ||
| // - String flag --output/-o for output file. | ||
| // - Bool flag --append/-a bool flag to indicate that output file should be appended, not overwritten. | ||
| // - Bool flag --append-at-newline bool flag to indicate that output should be written on a new line. | ||
| func AddOutputFlagsWithAppend(cmd *cobra.Command, output *string, append, lf *bool) { | ||
| cmd.Flags().StringVarP(output, "output", "o", "", "output file path") | ||
| cmd.Flags().BoolVarP(append, "append", "a", false, "append to output file") | ||
| cmd.Flags().BoolVar(lf, "append-at-newline", true, "write output on a newline") | ||
| cmd.Flags().SetNormalizeFunc(func(_ *pflag.FlagSet, name string) pflag.NormalizedName { | ||
| if name == "append-at-lf" { | ||
| name = "append-at-newline" | ||
| } | ||
| return pflag.NormalizedName(name) | ||
| }) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| // SPDX-FileCopyrightText: Copyright 2024 Prasad Tengse | ||
| // SPDX-License-Identifier: GPLv3-only | ||
|
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| package common | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "slices" | ||
|
|
||
| "github.com/spf13/pflag" | ||
| ) | ||
|
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| var _ pflag.Value = (*stringEnumFlag)(nil) | ||
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| // stringEnumFlag is a custom flag which restricts flag values to ones specified. | ||
| type stringEnumFlag struct { | ||
| allowed []string | ||
| value string | ||
| } | ||
|
|
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| func (e *stringEnumFlag) String() string { | ||
| return e.value | ||
| } | ||
|
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| func (e *stringEnumFlag) Type() string { | ||
| return "string" | ||
| } | ||
|
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| func (e *stringEnumFlag) Set(p string) error { | ||
| if !slices.Contains(e.allowed, p) { | ||
| return fmt.Errorf("") | ||
| } | ||
| e.value = p | ||
| return nil | ||
| } |
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