mirror of https://github.com/pressly/goose.git
69 lines
1.2 KiB
Go
69 lines
1.2 KiB
Go
package main
|
|
|
|
import (
|
|
"log"
|
|
"os"
|
|
"path"
|
|
)
|
|
|
|
var upCmd = &Command{
|
|
Name: "up",
|
|
Usage: "",
|
|
Summary: "Migrate the DB to the most recent version available",
|
|
Help: `up extended help here...`,
|
|
}
|
|
|
|
var dbFolder = upCmd.Flag.String("db", "db", "folder containing db info")
|
|
var dbConfName = upCmd.Flag.String("config", "development", "which DB configuration to use")
|
|
|
|
func upRun(cmd *Command, args ...string) {
|
|
|
|
conf, err := dbConfFromFile(path.Join(*dbFolder, "dbconf.yml"), *dbConfName)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
folder := path.Join(*dbFolder, "migrations")
|
|
target := mostRecentVersionAvailable(folder)
|
|
runMigrations(conf, folder, target)
|
|
}
|
|
|
|
// helper to identify the most recent possible version
|
|
// within a folder of migration scripts
|
|
func mostRecentVersionAvailable(dirpath string) int {
|
|
|
|
dir, err := os.Open(dirpath)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
names, err := dir.Readdirnames(0)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
mostRecent := -1
|
|
|
|
for _, name := range names {
|
|
|
|
if ext := path.Ext(name); ext != ".go" && ext != ".sql" {
|
|
continue
|
|
}
|
|
|
|
v, e := numericComponent(name)
|
|
if e != nil {
|
|
continue
|
|
}
|
|
|
|
if v > mostRecent {
|
|
mostRecent = v
|
|
}
|
|
}
|
|
|
|
return mostRecent
|
|
}
|
|
|
|
func init() {
|
|
upCmd.Run = upRun
|
|
}
|