main: password change: exit with code 12 on wrong password

We used to return code 8, now we return code 12 as documented in
the man page.

Also adds a test.

1 files changed, 1 insertions, 1 deletions

diff --git a/main.go b/main.go
index e522f6b..27cbf1f 100644
--- a/main.go
+++ b/main.go
@@ -76,7 +76,7 @@ func loadConfig(args *argContainer) (masterkey []byte, confFile *configfile.Conf
 func changePassword(args *argContainer) {
 	masterkey, confFile, err := loadConfig(args)
 	if err != nil {
-		os.Exit(exitcodes.LoadConf)
+		exitcodes.Exit(err)
 	}
 	tlog.Info.Println("Please enter your new password.")
 	newPw := readpassword.Twice(args.extpass)