Merge pull request #105 from chapsuk/logger

Added logger interface and SetLogger func for redefine package output

create.go

@@ -3,7 +3,6 @@ package goose
 import (
 	"database/sql"
 	"fmt"
-	"log"
 	"os"
 	"path/filepath"
 	"text/template"

down.go

@@ -3,7 +3,6 @@ package goose
 import (
 	"database/sql"
 	"fmt"
-	"log"
 )
 
 // Down rolls back a single migration from the current version.

log.go

@@ -0,0 +1,22 @@
+package goose
+
+import (
+	std "log"
+	"os"
+)
+
+var log Logger = std.New(os.Stderr, "", std.LstdFlags)
+
+// Logger is standart logger interface
+type Logger interface {
+	Fatal(v ...interface{})
+	Fatalf(format string, v ...interface{})
+	Print(v ...interface{})
+	Println(v ...interface{})
+	Printf(format string, v ...interface{})
+}
+
+// SetLogger sets the logger for package output
+func SetLogger(l Logger) {
+	log = l
+}

migrate.go

@@ -4,7 +4,6 @@ import (
 	"database/sql"
 	"errors"
 	"fmt"
-	"log"
 	"os"
 	"path/filepath"
 	"runtime"

migration.go

@@ -4,7 +4,6 @@ import (
 	"database/sql"
 	"errors"
 	"fmt"
-	"log"
 	"path/filepath"
 	"strconv"
 	"strings"

migration_sql.go

@@ -5,7 +5,6 @@ import (
 	"bytes"
 	"database/sql"
 	"io"
-	"log"
 	"os"
 	"strings"
 )

reset.go

@@ -2,7 +2,6 @@ package goose
 
 import (
 	"database/sql"
-	"log"
 	"sort"
 )
 

status.go

@@ -3,7 +3,6 @@ package goose
 import (
 	"database/sql"
 	"fmt"
-	"log"
 	"path/filepath"
 	"time"
 )

up.go

@@ -2,7 +2,6 @@ package goose
 
 import (
 	"database/sql"
-	"log"
 )
 
 // UpTo migrates up to a specific version.

version.go

@@ -2,7 +2,6 @@ package goose
 
 import (
 	"database/sql"
-	"log"
 )
 
 // Version prints the current version of the database.