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authorUnknwon <joe2010xtmf@163.com>2015-01-23 00:47:03 +0800
committerUnknwon <joe2010xtmf@163.com>2015-01-23 00:47:03 +0800
commitc6b87aaf02b711d8b1ee7a40f57ba23f560e2a63 (patch)
treeed1feb5095ce25eeaf32367927bfe28a83228238
parent077d1ae70be9ad6e4a2803e6f1fcb21efaca4fb1 (diff)
parent61608f13a04d6fb7b3f947dc98294640f3d243ac (diff)
downloadgitea-c6b87aaf02b711d8b1ee7a40f57ba23f560e2a63.tar.gz
gitea-c6b87aaf02b711d8b1ee7a40f57ba23f560e2a63.zip
Merge branch 'dev' of github.com:gogits/gogs into dev
-rw-r--r--models/migrations/migrations.go53
-rw-r--r--models/models.go6
2 files changed, 59 insertions, 0 deletions
diff --git a/models/migrations/migrations.go b/models/migrations/migrations.go
new file mode 100644
index 0000000000..3586e5d0b6
--- /dev/null
+++ b/models/migrations/migrations.go
@@ -0,0 +1,53 @@
+package migrations
+
+import (
+ "errors"
+
+ "github.com/go-xorm/xorm"
+)
+
+type migration func(*xorm.Engine) error
+
+// The version table. Should have only one row with id==1
+type Version struct {
+ Id int64
+ Version int64
+}
+
+// This is a sequence of migrations. Add new migrations to the bottom of the list.
+// If you want to "retire" a migration, replace it with "expiredMigration"
+var migrations = []migration{}
+
+// Migrate database to current version
+func Migrate(x *xorm.Engine) error {
+ if err := x.Sync(new(Version)); err != nil {
+ return err
+ }
+
+ currentVersion := &Version{Id: 1}
+ has, err := x.Get(currentVersion)
+ if err != nil {
+ return err
+ } else if !has {
+ if _, err = x.InsertOne(currentVersion); err != nil {
+ return err
+ }
+ }
+
+ v := currentVersion.Version
+
+ for i, migration := range migrations[v:] {
+ if err = migration(x); err != nil {
+ return err
+ }
+ currentVersion.Version = v + int64(i) + 1
+ if _, err = x.Id(1).Update(currentVersion); err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+func expiredMigration(x *xorm.Engine) error {
+ return errors.New("You are migrating from a too old gogs version")
+}
diff --git a/models/models.go b/models/models.go
index cf2124417a..55e7bf5822 100644
--- a/models/models.go
+++ b/models/models.go
@@ -15,6 +15,7 @@ import (
"github.com/go-xorm/xorm"
_ "github.com/lib/pq"
+ "github.com/gogits/gogs/models/migrations"
"github.com/gogits/gogs/modules/setting"
)
@@ -131,6 +132,11 @@ func NewEngine() (err error) {
if err = SetEngine(); err != nil {
return err
}
+
+ if err = migrations.Migrate(x); err != nil {
+ return err
+ }
+
if err = x.StoreEngine("InnoDB").Sync2(tables...); err != nil {
return fmt.Errorf("sync database struct error: %v\n", err)
}