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Add short version flag -v when not otherwise set (#996)

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Signed-off-by: Dave Henderson <dhenderson@gmail.com>
This commit is contained in:
Dave Henderson
2020-02-28 13:13:40 -05:00
committed by GitHub
parent 39cf99f556
commit 95f2f73ed9
2 changed files with 122 additions and 2 deletions
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9
command.go
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@ -84,7 +84,8 @@ type Command struct {
// Version defines the version for this command. If this value is non-empty and the command does not
// define a "version" flag, a "version" boolean flag will be added to the command and, if specified,
// will print content of the "Version" variable.
// will print content of the "Version" variable. A shorthand "v" flag will also be added if the
// command does not define one.
Version string
// The *Run functions are executed in the following order:
@ -1033,7 +1034,11 @@ func (c *Command) InitDefaultVersionFlag() {
} else {
usage += c.Name()
}
c.Flags().Bool("version", false, usage)
if c.Flags().ShorthandLookup("v") == nil {
c.Flags().BoolP("version", "v", false, usage)
} else {
c.Flags().Bool("version", false, usage)
}
}
}