/
main.go
91 lines (75 loc) · 1.46 KB
/
main.go
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package main
import (
"errors"
"fmt"
"os"
"strings"
"text/template"
)
// "goosees dev groupA up" のように実行する
// global options. available to any subcommands.
var prmConfPath string
var prmGroup string
func parseConfPath(name string) (confPath string, err error) {
if fileExists(name) {
return name, nil
}
if fileExists(name + ".yml") {
return name + ".yml", nil
}
if fileExists(name + ".yaml") {
return name + ".yaml", nil
}
return "", errors.New(fmt.Sprintf("conf file \"%s\" not found", name))
}
var commands = []*Command{
upCmd,
downCmd,
redoCmd,
statusCmd,
createCmd,
dbVersionCmd,
}
func main() {
args := os.Args
if len(args) < 4 || args[0] == "-h" {
usage()
return
}
var err error
prmConfPath, err = parseConfPath(args[1])
if err != nil {
fmt.Println(err)
return
}
prmGroup = args[2]
var cmd *Command
name := args[3]
for _, c := range commands {
if strings.HasPrefix(c.Name, name) {
cmd = c
break
}
}
if cmd == nil {
fmt.Printf("error: unknown command %q\n", name)
usage()
os.Exit(1)
}
cmd.Exec(args[4:])
}
func usage() {
fmt.Print(usagePrefix)
usageTmpl.Execute(os.Stdout, commands)
}
var usagePrefix = `
Goosees is a wrapper of goose for applying migration to multiple databases.
Usage:
goosees <conf> <group> <subcommand> [subcommand options]
Options:
`
var usageTmpl = template.Must(template.New("usage").Parse(
`
Commands:{{range .}}
{{.Name | printf "%-10s"}} {{.Summary}}{{end}}
`))