update morph dependency (#19891)

config/database.go

@@ -28,7 +28,7 @@ import (
 	"github.com/mattermost/morph/drivers"
 	ms "github.com/mattermost/morph/drivers/mysql"
 	ps "github.com/mattermost/morph/drivers/postgres"
-	mbindata "github.com/mattermost/morph/sources/go_bindata"
+	mbindata "github.com/mattermost/morph/sources/embedded"
 )
 
 //go:embed migrations
@@ -113,7 +113,6 @@ func (ds *DatabaseStore) initializeConfigurationsTable() error {
 	if err != nil {
 		return err
 	}
-	defer src.Close()
 
 	cfg := drivers.Config{
 		MigrationsTable:        migrationsTableName,

go.mod

@@ -63,7 +63,7 @@ require (
 	github.com/mattermost/gziphandler v0.0.1
 	github.com/mattermost/ldap v0.0.0-20201202150706-ee0e6284187d
 	github.com/mattermost/logr/v2 v2.0.15
-	github.com/mattermost/morph v0.0.0-20220222074146-cff3f12ff131
+	github.com/mattermost/morph v0.0.0-20220401091636-39f834798da8
 	github.com/mattermost/rsc v0.0.0-20160330161541-bbaefb05eaa0
 	github.com/mattn/go-runewidth v0.0.13 // indirect
 	github.com/mattn/go-sqlite3 v2.0.3+incompatible // indirect

go.sum

@@ -1003,8 +1003,8 @@ github.com/mattermost/ldap v0.0.0-20201202150706-ee0e6284187d h1:/RJ/UV7M5c7L2TQ
 github.com/mattermost/ldap v0.0.0-20201202150706-ee0e6284187d/go.mod h1:HLbgMEI5K131jpxGazJ97AxfPDt31osq36YS1oxFQPQ=
 github.com/mattermost/logr/v2 v2.0.15 h1:+WNbGcsc3dBao65eXlceB6dTILNJRIrvubnsTl3zBew=
 github.com/mattermost/logr/v2 v2.0.15/go.mod h1:mpPp935r5dIkFDo2y9Q87cQWhFR/4xXpNh0k/y8Hmwg=
-github.com/mattermost/morph v0.0.0-20220222074146-cff3f12ff131 h1:agJMxBP8LV0nyV90PZ/BHmmjNyvzTWqR20wLwiXHx14=
+github.com/mattermost/morph v0.0.0-20220401091636-39f834798da8 h1:gwliVjCTqAC01mSCNqa5nJ/4MmGq50vrjsottIhQ4d8=
-github.com/mattermost/morph v0.0.0-20220222074146-cff3f12ff131/go.mod h1:jxM3g1bx+k2Thz7jofcHguBS8TZn5Pc+o5MGmORObhw=
+github.com/mattermost/morph v0.0.0-20220401091636-39f834798da8/go.mod h1:jxM3g1bx+k2Thz7jofcHguBS8TZn5Pc+o5MGmORObhw=
 github.com/mattermost/rsc v0.0.0-20160330161541-bbaefb05eaa0 h1:G9tL6JXRBMzjuD1kkBtcnd42kUiT6QDwxfFYu7adM6o=
 github.com/mattermost/rsc v0.0.0-20160330161541-bbaefb05eaa0/go.mod h1:nV5bfVpT//+B1RPD2JvRnxbkLmJEYXmRaaVl15fsXjs=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=

store/sqlstore/store.go

@@ -27,7 +27,7 @@ import (
 	_ "github.com/golang-migrate/migrate/v4/source/file"
 	"github.com/jmoiron/sqlx"
 	"github.com/lib/pq"
-	mbindata "github.com/mattermost/morph/sources/go_bindata"
+	mbindata "github.com/mattermost/morph/sources/embedded"
 	"github.com/pkg/errors"
 
 	"github.com/mattermost/mattermost-server/v6/db"
@@ -956,7 +956,6 @@ func (ss *SqlStore) migrate(direction migrationDirection) error {
 	if err != nil {
 		return err
 	}
-	defer src.Close()
 
 	var driver drivers.Driver
 	switch ss.DriverName() {

vendor/github.com/mattermost/morph/README.md

@@ -20,10 +20,10 @@ import (
 
     "github.com/mattermost/morph"
     "github.com/mattermost/morph/drivers/mysql"
-    bindata "github.com/mattermost/morph/sources/go_bindata"
+    "github.com/mattermost/morph/sources/embedded"
 )
 
-src, err := bindata.WithInstance(&bindata.AssetSource{
+src, err := embedded.WithInstance(&embedded.AssetSource{
     Names: []string{}, // add migration file names
     AssetFunc: func(name string) ([]byte, error) {
         return []byte{}, nil // should return the file contents

vendor/github.com/mattermost/morph/drivers/lock.go

@@ -63,14 +63,13 @@ func NextWaitInterval(lastWaitInterval time.Duration, err error) time.Duration {
 }
 
 type Locker interface {
-	Lock() error
+	// Lock locks m unless the context is canceled. If the mutex is already locked by any other
-	Unlock() error
-	// LockWithContext locks m unless the context is canceled. If the mutex is already locked by any other
 	// instance, including the current one, the calling goroutine blocks until the mutex can be locked,
 	// or the context is canceled.
 	//
 	// The mutex is locked only if a nil error is returned.
-	LockWithContext(ctx context.Context) error
+	Lock(ctx context.Context) error
+	Unlock() error
 }
 
 type Lockable interface {

vendor/github.com/mattermost/morph/drivers/logger.go

@@ -0,0 +1,19 @@
+package drivers
+
+import "fmt"
+
+type Logger interface {
+	Printf(format string, v ...interface{})
+	Println(v ...interface{})
+}
+
+type DefaultLogger struct {
+}
+
+func (DefaultLogger) Printf(format string, v ...interface{}) {
+	fmt.Printf(format, v...)
+}
+
+func (DefaultLogger) Println(v ...interface{}) {
+	fmt.Println(v...)
+}

vendor/github.com/mattermost/morph/drivers/mysql/lock.go

@@ -8,6 +8,7 @@ import (
 	"sync"
 	"time"
 
+	ms "github.com/go-sql-driver/mysql"
 	"github.com/mattermost/morph/drivers"
 )
 
@@ -26,12 +27,14 @@ type Mutex struct {
 	stopRefresh chan bool
 	refreshDone chan bool
 	conn        *sql.Conn
+
+	logger drivers.Logger
 }
 
 // NewMutex creates a mutex with the given key name.
 //
 // returns error if key is empty.
-func NewMutex(key string, driver drivers.Driver) (*Mutex, error) {
+func NewMutex(key string, driver drivers.Driver, logger drivers.Logger) (*Mutex, error) {
 	key, err := drivers.MakeLockKey(key)
 	if err != nil {
 		return nil, err
@@ -56,8 +59,9 @@ func NewMutex(key string, driver drivers.Driver) (*Mutex, error) {
 	}
 
 	return &Mutex{
-		key:  key,
+		key:    key,
-		conn: conn,
+		conn:   conn,
+		logger: logger,
 	}, nil
 }
 
@@ -68,10 +72,16 @@ func (m *Mutex) tryLock(ctx context.Context) (bool, error) {
 	if err != nil {
 		return false, err
 	}
+	defer m.finalizeTx(tx)
 
 	query := fmt.Sprintf("INSERT INTO %s (Id, ExpireAt) VALUES (?, ?)", drivers.MutexTableName)
 	if _, err := tx.Exec(query, m.key, now.Add(drivers.TTL).Unix()); err != nil {
-		err2 := m.releaseLock(tx, now)
+		if mysqlErr, ok := err.(*ms.MySQLError); ok && mysqlErr.Number == 1062 {
+			m.logger.Println("DB is locked, going to try acquire the lock if it is expired.")
+		}
+		m.finalizeTx(tx)
+
+		err2 := m.releaseLock(ctx, now)
 		if err2 == nil { // lock has been released due to expiration
 			return true, nil
 		}
@@ -81,27 +91,25 @@ func (m *Mutex) tryLock(ctx context.Context) (bool, error) {
 
 	err = tx.Commit()
 	if err != nil {
-		if txErr := tx.Rollback(); txErr != nil {
-			return false, txErr
-		}
-
 		return false, err
 	}
 
 	return true, nil
 }
 
-func (m *Mutex) releaseLock(tx *sql.Tx, t time.Time) error {
+func (m *Mutex) releaseLock(ctx context.Context, t time.Time) error {
+	tx, err := m.conn.BeginTx(ctx, nil)
+	if err != nil {
+		return err
+	}
+	defer m.finalizeTx(tx)
+
 	e, err := m.getExpireAt(tx)
 	if err != nil {
 		return err
 	}
 
 	if t.Unix() < e {
-		if txErr := tx.Rollback(); txErr != nil {
-			return fmt.Errorf("could not rollback: %w", txErr)
-		}
-
 		return errors.New("could not release the lock")
 	}
 
@@ -112,10 +120,6 @@ func (m *Mutex) releaseLock(tx *sql.Tx, t time.Time) error {
 
 	err = tx.Commit()
 	if err != nil {
-		if txErr := tx.Rollback(); txErr != nil {
-			return fmt.Errorf("could not rollback transaction: %w", txErr)
-		}
-
 		return fmt.Errorf("unable to set new expireat for mutex: %w", err)
 	}
 
@@ -127,10 +131,6 @@ func (m *Mutex) getExpireAt(tx *sql.Tx) (int64, error) {
 	query := fmt.Sprintf("SELECT ExpireAt FROM %s WHERE Id = ?", drivers.MutexTableName)
 	err := tx.QueryRow(query, m.key).Scan(&expireAt)
 	if err != nil {
-		if txErr := tx.Rollback(); txErr != nil {
-			return -1, fmt.Errorf("could not rollback: %w", txErr)
-		}
-
 		return -1, fmt.Errorf("failed to fetch mutex from db: %w", err)
 	}
 
@@ -143,6 +143,7 @@ func (m *Mutex) refreshLock(ctx context.Context) error {
 	if err != nil {
 		return err
 	}
+	defer m.finalizeTx(tx)
 
 	e, err := m.getExpireAt(tx)
 	if err != nil {
@@ -157,28 +158,18 @@ func (m *Mutex) refreshLock(ctx context.Context) error {
 
 	err = tx.Commit()
 	if err != nil {
-		if txErr := tx.Rollback(); txErr != nil {
-			return fmt.Errorf("could not rollback: %w", txErr)
-		}
-
 		return fmt.Errorf("unable to refresh expireat for mutex: %w", err)
 	}
 
 	return nil
 }
 
-// Lock locks m. If the mutex is already locked by any other morph instance, including the current one,
+// Lock locks m unless the context is canceled. If the mutex is already locked by any other
-// the calling goroutine blocks until the mutex can be locked.
-func (m *Mutex) Lock() error {
-	return m.LockWithContext(context.Background())
-}
-
-// LockWithContext locks m unless the context is canceled. If the mutex is already locked by any other
 // instance, including the current one, the calling goroutine blocks until the mutex can be locked,
 // or the context is canceled.
 //
 // The mutex is locked only if a nil error is returned.
-func (m *Mutex) LockWithContext(ctx context.Context) error {
+func (m *Mutex) Lock(ctx context.Context) error {
 	var waitInterval time.Duration
 
 	for {
@@ -248,16 +239,18 @@ func (m *Mutex) Unlock() error {
 
 func executeTx(tx *sql.Tx, query string, args ...interface{}) error {
 	if _, err := tx.Exec(query, args...); err != nil {
-		if txErr := tx.Rollback(); txErr != nil {
-			return fmt.Errorf("could not rollback transaction: %w", txErr)
-		}
-
 		return err
 	}
 
 	return nil
 }
 
+func (m *Mutex) finalizeTx(tx *sql.Tx) {
+	if err := tx.Rollback(); err != nil && err != sql.ErrTxDone {
+		m.logger.Printf("failed to rollback transaction: %s", err)
+	}
+}
+
 // noCopy may be embedded into structs which must not be copied
 // after the first use.
 //

vendor/github.com/mattermost/morph/drivers/postgres/lock.go

@@ -8,6 +8,7 @@ import (
 	"sync"
 	"time"
 
+	"github.com/lib/pq"
 	"github.com/mattermost/morph/drivers"
 )
 
@@ -26,12 +27,14 @@ type Mutex struct {
 	stopRefresh chan bool
 	refreshDone chan bool
 	conn        *sql.Conn
+
+	logger drivers.Logger
 }
 
 // NewMutex creates a mutex with the given key name.
 //
 // returns error if key is empty.
-func NewMutex(key string, driver drivers.Driver) (*Mutex, error) {
+func NewMutex(key string, driver drivers.Driver, logger drivers.Logger) (*Mutex, error) {
 	key, err := drivers.MakeLockKey(key)
 	if err != nil {
 		return nil, err
@@ -56,8 +59,9 @@ func NewMutex(key string, driver drivers.Driver) (*Mutex, error) {
 	}
 
 	return &Mutex{
-		key:  key,
+		key:    key,
-		conn: conn,
+		conn:   conn,
+		logger: logger,
 	}, nil
 }
 
@@ -68,10 +72,16 @@ func (m *Mutex) tryLock(ctx context.Context) (bool, error) {
 	if err != nil {
 		return false, err
 	}
+	defer m.finalizeTx(tx)
 
 	query := fmt.Sprintf("INSERT INTO %s (id, expireat) VALUES ($1, $2)", drivers.MutexTableName)
 	if _, err := tx.Exec(query, m.key, now.Add(drivers.TTL).Unix()); err != nil {
-		err2 := m.releaseLock(tx, now)
+		if pqErr, ok := err.(*pq.Error); ok && pqErr.Code == "23505" {
+			m.logger.Println("DB is locked, going to try acquire the lock if it is expired.")
+		}
+		m.finalizeTx(tx)
+
+		err2 := m.releaseLock(ctx, now)
 		if err2 == nil { // lock has been released due to expiration
 			return true, nil
 		}
@@ -81,27 +91,25 @@ func (m *Mutex) tryLock(ctx context.Context) (bool, error) {
 
 	err = tx.Commit()
 	if err != nil {
-		if txErr := tx.Rollback(); txErr != nil {
-			return false, txErr
-		}
-
 		return false, err
 	}
 
 	return true, nil
 }
 
-func (m *Mutex) releaseLock(tx *sql.Tx, t time.Time) error {
+func (m *Mutex) releaseLock(ctx context.Context, t time.Time) error {
+	tx, err := m.conn.BeginTx(ctx, nil)
+	if err != nil {
+		return err
+	}
+	defer m.finalizeTx(tx)
+
 	e, err := m.getExpireAt(tx)
 	if err != nil {
 		return err
 	}
 
 	if t.Unix() < e {
-		if txErr := tx.Rollback(); txErr != nil {
-			return fmt.Errorf("could not rollback: %w", txErr)
-		}
-
 		return errors.New("could not release the lock")
 	}
 
@@ -112,10 +120,6 @@ func (m *Mutex) releaseLock(tx *sql.Tx, t time.Time) error {
 
 	err = tx.Commit()
 	if err != nil {
-		if txErr := tx.Rollback(); txErr != nil {
-			return fmt.Errorf("could not rollback transaction: %w", txErr)
-		}
-
 		return fmt.Errorf("unable to set new expireat for mutex: %w", err)
 	}
 
@@ -127,10 +131,6 @@ func (m *Mutex) getExpireAt(tx *sql.Tx) (int64, error) {
 	query := fmt.Sprintf("SELECT expireat FROM %s WHERE id = $1", drivers.MutexTableName)
 	err := tx.QueryRow(query, m.key).Scan(&expireAt)
 	if err != nil {
-		if txErr := tx.Rollback(); txErr != nil {
-			return -1, fmt.Errorf("could not rollback: %w", txErr)
-		}
-
 		return -1, fmt.Errorf("failed to fetch mutex from db: %w", err)
 	}
 
@@ -143,6 +143,7 @@ func (m *Mutex) refreshLock(ctx context.Context) error {
 	if err != nil {
 		return err
 	}
+	defer m.finalizeTx(tx)
 
 	e, err := m.getExpireAt(tx)
 	if err != nil {
@@ -157,28 +158,18 @@ func (m *Mutex) refreshLock(ctx context.Context) error {
 
 	err = tx.Commit()
 	if err != nil {
-		if txErr := tx.Rollback(); txErr != nil {
-			return fmt.Errorf("could not rollback: %w", txErr)
-		}
-
 		return fmt.Errorf("unable to refresh expireat for mutex: %w", err)
 	}
 
 	return nil
 }
 
-// Lock locks m. If the mutex is already locked by any other morph instance, including the current one,
+// Lock locks m unless the context is canceled. If the mutex is already locked by any other
-// the calling goroutine blocks until the mutex can be locked.
-func (m *Mutex) Lock() error {
-	return m.LockWithContext(context.Background())
-}
-
-// LockWithContext locks m unless the context is canceled. If the mutex is already locked by any other
 // instance, including the current one, the calling goroutine blocks until the mutex can be locked,
 // or the context is canceled.
 //
 // The mutex is locked only if a nil error is returned.
-func (m *Mutex) LockWithContext(ctx context.Context) error {
+func (m *Mutex) Lock(ctx context.Context) error {
 	var waitInterval time.Duration
 
 	for {
@@ -248,16 +239,18 @@ func (m *Mutex) Unlock() error {
 
 func executeTx(tx *sql.Tx, query string, args ...interface{}) error {
 	if _, err := tx.Exec(query, args...); err != nil {
-		if txErr := tx.Rollback(); txErr != nil {
-			return fmt.Errorf("could not rollback transaction: %w", txErr)
-		}
-
 		return err
 	}
 
 	return nil
 }
 
+func (m *Mutex) finalizeTx(tx *sql.Tx) {
+	if err := tx.Rollback(); err != nil && err != sql.ErrTxDone {
+		m.logger.Printf("failed to rollback transaction: %s", err)
+	}
+}
+
 // noCopy may be embedded into structs which must not be copied
 // after the first use.
 //

vendor/github.com/mattermost/morph/morph.go

@@ -18,8 +18,8 @@ import (
 	ms "github.com/mattermost/morph/drivers/mysql"
 	ps "github.com/mattermost/morph/drivers/postgres"
 
+	_ "github.com/mattermost/morph/sources/embedded"
 	_ "github.com/mattermost/morph/sources/file"
-	_ "github.com/mattermost/morph/sources/go_bindata"
 )
 
 var migrationProgressStart = "==  %s: migrating  ================================================="
@@ -99,9 +99,9 @@ func New(ctx context.Context, driver drivers.Driver, source sources.Source, opti
 		var err error
 		switch impl.DriverName() {
 		case "mysql":
-			mx, err = ms.NewMutex(engine.config.LockKey, driver)
+			mx, err = ms.NewMutex(engine.config.LockKey, driver, engine.config.Logger)
 		case "postgres":
-			mx, err = ps.NewMutex(engine.config.LockKey, driver)
+			mx, err = ps.NewMutex(engine.config.LockKey, driver, engine.config.Logger)
 		default:
 			err = errors.New("driver does not support locking")
 		}
@@ -110,7 +110,7 @@ func New(ctx context.Context, driver drivers.Driver, source sources.Source, opti
 		}
 
 		engine.mutex = mx
-		err = mx.LockWithContext(ctx)
+		err = mx.Lock(ctx)
 		if err != nil {
 			return nil, err
 		}

vendor/github.com/mattermost/morph/sources/embedded/README.md

@@ -0,0 +1,73 @@
+# embedded source
+
+This source reads migrations from embedded  files, for example using
+[go-bindata](github.com/go-bindata/go-bindata) or go embed feature.
+
+## go embed usage
+
+To read the embedded data, create a migration source through the
+`WithInstance` method and then instantiate `morph`:
+
+```go
+import (
+	"embed"
+	"path/filepath"
+
+    "github.com/mattermost/morph"
+    "github.com/mattermost/morph/sources/embedded"
+)
+
+//go:embed testfiles
+var assets embed.FS
+
+func main() {
+	dirEntries, err := assets.ReadDir("testfiles")
+    if err != nil {
+        panic(err)
+    }
+
+	assetNames := make([]string, len(dirEntries))
+	for i, dirEntry := range dirEntries {
+		assetNames[i] = dirEntry.Name()
+	}
+
+    res := embedded.Resource(assetNames, func(name string) ([]byte, error) {
+		return assets.ReadFile(filepath.Join("testfiles", name))
+    })
+
+    src, err := embedded.WithInstance(res)
+    if err != nil {
+        panic(err)
+    }
+
+    // create the morph instance from the source and driver
+    m := morph.NewFromConnURL("postgres://...", src, opts)
+}
+```
+
+## go-bindata usage
+
+To read the embedded data, create a migration source through the
+`WithInstance` method and then instantiate `morph`:
+
+```go
+import (
+    "github.com/mattermost/morph"
+    "github.com/mattermost/morph/sources/embedded"
+    "github.com/mattermost/morph/sources/embedded/testdata"
+)
+
+func main() {
+    res := embedded.Resource(testdata.AssetNames(), func(name string) ([]byte, error) {
+        return testdata.Asset(name)
+    })
+
+    src, err := embedded.WithInstance(res)
+    if err != nil {
+        panic(err)
+    }
+
+    // create the morph instance from the source and driver
+    m := morph.NewFromConnURL("postgres://...", src, opts)
+}
+```

vendor/github.com/mattermost/morph/sources/embedded/embedded.go

@@ -1,4 +1,4 @@
-package bindata
+package embedded
 
 import (
 	"bytes"
@@ -23,21 +23,13 @@ type AssetSource struct {
 	AssetFunc AssetFunc
 }
 
-func init() {
+type Embedded struct {
-	sources.Register("go-bindata", &Bindata{})
-}
-
-type Bindata struct {
 	assetSource *AssetSource
 	migrations  []*models.Migration
 }
 
-func (b *Bindata) Open(url string) (sources.Source, error) {
-	return nil, fmt.Errorf("not implemented")
-}
-
 func WithInstance(assetSource *AssetSource) (sources.Source, error) {
-	b := &Bindata{
+	b := &Embedded{
 		assetSource: assetSource,
 		migrations:  []*models.Migration{},
 	}
@@ -59,10 +51,6 @@ func WithInstance(assetSource *AssetSource) (sources.Source, error) {
 	return b, nil
 }
 
-func (b *Bindata) Close() error {
+func (b *Embedded) Migrations() []*models.Migration {
-	return nil
-}
-
-func (b *Bindata) Migrations() []*models.Migration {
 	return b.migrations
 }

vendor/github.com/mattermost/morph/sources/file/file.go

@@ -7,20 +7,15 @@ import (
 	"path/filepath"
 
 	"github.com/mattermost/morph/models"
-	"github.com/mattermost/morph/sources"
 )
 
-func init() {
-	sources.Register("file", &File{})
-}
-
 type File struct {
 	url        string
 	path       string
 	migrations []*models.Migration
 }
 
-func (f *File) Open(sourceURL string) (sources.Source, error) {
+func Open(sourceURL string) (*File, error) {
 	uri, err := url.Parse(sourceURL)
 	if err != nil {
 		return nil, err
@@ -96,10 +91,6 @@ func (f *File) readMigrations() error {
 	return nil
 }
 
-func (f *File) Close() error {
-	return nil
-}
-
 func (f *File) Migrations() []*models.Migration {
 	return f.migrations
 }

vendor/github.com/mattermost/morph/sources/go_bindata/README.md

@@ -1,31 +0,0 @@
-# go-bindata source
-
-This source reads migrations from a
-[go-bindata](github.com/go-bindata/go-bindata) embedded binary file.
-
-## Usage
-
-To read the embedded data, create a migration source through the
-`WithInstance` method and then instantiate `morph`:
-
-```go
-import (
-    "github.com/mattermost/morph"
-    "github.com/mattermost/morph/sources/go_bindata"
-    "github.com/mattermost/morph/sources/go_bindata/testdata"
-)
-
-func main() {
-    res := bindata.Resource(testdata.AssetNames(), func(name string) ([]byte, error) {
-        return testdata.Asset(name)
-    })
-
-    src, err := bindata.WithInstance(res)
-    if err != nil {
-        panic(err)
-    }
-
-    // create the morph instance from the source and driver
-    m := morph.NewFromConnURL("postgres://...", src, opts)
-}
-```

vendor/github.com/mattermost/morph/sources/source.go

@@ -1,47 +1,9 @@
 package sources
 
 import (
-	"fmt"
-	"sync"
-
 	"github.com/mattermost/morph/models"
 )
 
-var sourcesMu sync.RWMutex
-var registeredSources = make(map[string]Source)
-
 type Source interface {
-	Open(sourceURL string) (source Source, err error)
-	Close() (err error)
 	Migrations() (migrations []*models.Migration)
 }
-
-func Register(name string, source Source) {
-	sourcesMu.Lock()
-	defer sourcesMu.Unlock()
-
-	registeredSources[name] = source
-}
-
-func List() []string {
-	sourcesMu.Lock()
-	defer sourcesMu.Unlock()
-
-	sources := make([]string, 0, len(registeredSources))
-	for source := range registeredSources {
-		sources = append(sources, source)
-	}
-
-	return sources
-}
-
-func Open(sourceName, sourceURL string) (Source, error) {
-	sourcesMu.RLock()
-	source, ok := registeredSources[sourceName]
-	sourcesMu.RUnlock()
-	if !ok {
-		return nil, fmt.Errorf("unsupported source %q found", sourceName)
-	}
-
-	return source.Open(sourceURL)
-}

vendor/modules.txt

@@ -404,7 +404,7 @@ github.com/mattermost/logr/v2
 github.com/mattermost/logr/v2/config
 github.com/mattermost/logr/v2/formatters
 github.com/mattermost/logr/v2/targets
-# github.com/mattermost/morph v0.0.0-20220222074146-cff3f12ff131
+# github.com/mattermost/morph v0.0.0-20220401091636-39f834798da8
 ## explicit
 github.com/mattermost/morph
 github.com/mattermost/morph/drivers
@@ -412,8 +412,8 @@ github.com/mattermost/morph/drivers/mysql
 github.com/mattermost/morph/drivers/postgres
 github.com/mattermost/morph/models
 github.com/mattermost/morph/sources
+github.com/mattermost/morph/sources/embedded
 github.com/mattermost/morph/sources/file
-github.com/mattermost/morph/sources/go_bindata
 # github.com/mattermost/rsc v0.0.0-20160330161541-bbaefb05eaa0
 ## explicit
 github.com/mattermost/rsc/gf256