From 4c8b0288876cfe1d02117fbe9db45aa2cf13a484 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Magiera?= <magik6k@gmail.com>
Date: Tue, 23 Jul 2019 23:54:54 +0200
Subject: [PATCH] Return error form Repo.Exists

---
 cmd/lotus-storage-miner/init.go | 6 +++++-
 cmd/lotus-storage-miner/run.go  | 6 +++++-
 node/repo/fsrepo.go             | 8 ++++++--
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/cmd/lotus-storage-miner/init.go b/cmd/lotus-storage-miner/init.go
index e1cc6adb9..b9a0618ab 100644
--- a/cmd/lotus-storage-miner/init.go
+++ b/cmd/lotus-storage-miner/init.go
@@ -21,7 +21,11 @@ var initCmd = &cli.Command{
 			return err
 		}
 
-		if r.Exists() {
+		ok, err := r.Exists()
+		if err != nil {
+			return err
+		}
+		if ok {
 			return xerrors.Errorf("repo at '%s' is already initialized", cctx.String(FlagStorageRepo))
 		}
 
diff --git a/cmd/lotus-storage-miner/run.go b/cmd/lotus-storage-miner/run.go
index 1c6aa0a6a..16cd34515 100644
--- a/cmd/lotus-storage-miner/run.go
+++ b/cmd/lotus-storage-miner/run.go
@@ -36,7 +36,11 @@ var runCmd = &cli.Command{
 			return err
 		}
 
-		if !r.Exists() {
+		ok, err := r.Exists()
+		if err != nil {
+			return err
+		}
+		if !ok {
 			return xerrors.Errorf("repo at '%s' is not initialized, run 'lotus-storage-miner init' to set it up", cctx.String(FlagStorageRepo))
 		}
 
diff --git a/node/repo/fsrepo.go b/node/repo/fsrepo.go
index 72e0e6173..a506e6e8e 100644
--- a/node/repo/fsrepo.go
+++ b/node/repo/fsrepo.go
@@ -58,9 +58,13 @@ func NewFS(path string) (*FsRepo, error) {
 	}, nil
 }
 
-func (fsr *FsRepo) Exists() bool {
+func (fsr *FsRepo) Exists() (bool, error) {
 	_, err := os.Stat(fsr.path)
-	return err == nil
+	notexist := os.IsNotExist(err)
+	if notexist {
+		err = nil
+	}
+	return !notexist, err
 }
 
 func (fsr *FsRepo) Init() error {