From 2fa1db434581bcfcb6fec1482904656e4b5f8313 Mon Sep 17 00:00:00 2001
From: Daniel Hiltgen <daniel@ollama.com>
Date: Fri, 9 Aug 2024 11:57:48 -0700
Subject: [PATCH] Don't hard fail on sparse setup error

It seems this can fail in some casees, but proceed
with the download anyway.
---
 server/download.go       | 4 +---
 server/sparse_common.go  | 3 +--
 server/sparse_windows.go | 5 +++--
 3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/server/download.go b/server/download.go
index 38d24a6b..5965b322 100644
--- a/server/download.go
+++ b/server/download.go
@@ -216,9 +216,7 @@ func (b *blobDownload) run(ctx context.Context, requestURL *url.URL, opts *regis
 		return err
 	}
 	defer file.Close()
-	if err := setSparse(file); err != nil {
-		return err
-	}
+	setSparse(file)
 
 	_ = file.Truncate(b.Total)
 
diff --git a/server/sparse_common.go b/server/sparse_common.go
index f25627fc..c88b2da0 100644
--- a/server/sparse_common.go
+++ b/server/sparse_common.go
@@ -4,6 +4,5 @@ package server
 
 import "os"
 
-func setSparse(file *os.File) error {
-	return nil
+func setSparse(*os.File) {
 }
diff --git a/server/sparse_windows.go b/server/sparse_windows.go
index cdad379e..f21cbbda 100644
--- a/server/sparse_windows.go
+++ b/server/sparse_windows.go
@@ -6,8 +6,9 @@ import (
 	"golang.org/x/sys/windows"
 )
 
-func setSparse(file *os.File) error {
-	return windows.DeviceIoControl(
+func setSparse(file *os.File) {
+	// exFat (and other FS types) don't support sparse files, so ignore errors
+	windows.DeviceIoControl( //nolint:errcheck
 		windows.Handle(file.Fd()), windows.FSCTL_SET_SPARSE,
 		nil, 0,
 		nil, 0,