fmsg: produce all output through fmsg

The behaviour of print functions from package fmt is not thread safe. Functions provided by fmsg wrap around Logger methods. This makes prefix much cleaner and makes it easy to deal with future changes to logging.

Signed-off-by: Ophestra Umiker <cat@ophivana.moe>

internal/system/op.go

@@ -2,8 +2,9 @@ package system
 
 import (
 	"errors"
-	"fmt"
 	"sync"
+
+	"git.ophivana.moe/security/fortify/internal/fmsg"
 )
 
 const (
@@ -80,7 +81,7 @@ func (sys *I) Commit() error {
 		if sp != nil {
 			// rollback partial commit
 			if err := sp.Revert(&Criteria{nil}); err != nil {
-				fmt.Println("fortify: errors returned reverting partial commit:", err)
+				fmsg.Println("errors returned reverting partial commit:", err)
 			}
 		}
 	}()