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version.go
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version.go
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package main
import (
"fmt"
"strings"
)
const (
GOMIG_MAJ_VERSION = 0
GOMIG_MIN_VERSION = 4
GOMIG_MIC_VERSION = 4
)
type Backend struct {
Source string
Destination string
}
func (b *Backend) String() string {
return b.Source + " -> " + b.Destination
}
func description() string {
backends := []Backend{Backend{"MySQL", "Postgres"}}
stringized := make([]string, 0, len(backends))
for _, backend := range backends {
stringized = append(stringized, backend.String())
}
return fmt.Sprintf(
"gomig v.%v.%v.%v, sync data between SQL data sources, supported backends: %v",
GOMIG_MAJ_VERSION, GOMIG_MIN_VERSION, GOMIG_MIC_VERSION,
strings.Join(stringized, ", "))
}
type VersionCommand struct{}
func (x *VersionCommand) Execute(args []string) error {
fmt.Println(description())
return nil
}
func init() {
var x VersionCommand
parser.AddCommand("version",
"Print the version and supported backends",
"Print the version and supported backends",
&x)
}