rearrange functions for readability

This commit is contained in:
ZhengYang 2014-08-13 11:57:36 +08:00
parent 399e3ffefc
commit 954eaff006
1 changed files with 36 additions and 43 deletions

View File

@ -106,6 +106,42 @@ func runMigration(cmd *Command, args []string) {
ColorLog("[SUCC] Migration successful!\n")
}
func migrateUpdate(crupath, driver, connStr string) {
migrate("upgrade", crupath, driver, connStr)
}
func migrateRollback(crupath, driver, connStr string) {
migrate("rollback", crupath, driver, connStr)
}
func migrateReset(crupath, driver, connStr string) {
migrate("reset", crupath, driver, connStr)
}
func migrateRefresh(crupath, driver, connStr string) {
migrate("refresh", crupath, driver, connStr)
}
func migrate(goal, crupath, driver, connStr string) {
dir := path.Join(crupath, "database", "migrations")
binary := "m"
source := binary + ".go"
// connect to database
db, err := sql.Open(driver, connStr)
if err != nil {
ColorLog("[ERRO] Could not connect to %s: %s\n", driver, connStr)
os.Exit(2)
}
defer db.Close()
checkForSchemaUpdateTable(db)
latestName, latestTime := getLatestMigration(db)
writeMigrationSourceFile(dir, source, driver, connStr, latestTime, latestName, goal)
buildMigrationBinary(dir, binary)
runMigrationBinary(dir, binary)
removeTempFile(dir, source)
removeTempFile(dir, binary)
}
func checkForSchemaUpdateTable(db *sql.DB) {
if rows, err := db.Query("SHOW TABLES LIKE 'migrations'"); err != nil {
ColorLog("[ERRO] Could not show migrations table: %s\n", err)
@ -180,13 +216,6 @@ func getLatestMigration(db *sql.DB) (file string, createdAt int64) {
return
}
func createTempMigrationDir(dir string) {
if err := os.MkdirAll(dir, 0777); err != nil {
ColorLog("[ERRO] Could not create directory: %s\n", err)
os.Exit(2)
}
}
func writeMigrationSourceFile(dir, source, driver, connStr string, latestTime int64, latestName string, task string) {
os.Chdir(dir)
if f, err := os.OpenFile(source, os.O_CREATE|os.O_EXCL|os.O_RDWR, 0666); err != nil {
@ -236,42 +265,6 @@ func removeTempFile(dir, file string) {
}
}
func migrateUpdate(crupath, driver, connStr string) {
migrate("upgrade", crupath, driver, connStr)
}
func migrateRollback(crupath, driver, connStr string) {
migrate("rollback", crupath, driver, connStr)
}
func migrateReset(crupath, driver, connStr string) {
migrate("reset", crupath, driver, connStr)
}
func migrateRefresh(crupath, driver, connStr string) {
migrate("refresh", crupath, driver, connStr)
}
func migrate(goal, crupath, driver, connStr string) {
dir := path.Join(crupath, "database", "migrations")
binary := "m"
source := binary + ".go"
// connect to database
db, err := sql.Open(driver, connStr)
if err != nil {
ColorLog("[ERRO] Could not connect to %s: %s\n", driver, connStr)
os.Exit(2)
}
defer db.Close()
checkForSchemaUpdateTable(db)
latestName, latestTime := getLatestMigration(db)
writeMigrationSourceFile(dir, source, driver, connStr, latestTime, latestName, goal)
buildMigrationBinary(dir, binary)
runMigrationBinary(dir, binary)
removeTempFile(dir, source)
removeTempFile(dir, binary)
}
func formatShellErrOutput(o string) {
for _, line := range strings.Split(o, "\n") {
if line != "" {