Handle hard links in remote builds

Fixes: https://github.com/containers/podman/issues/9893

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/pkg/bindings/images/build_unix.go b/pkg/bindings/images/build_unix.go
new file mode 100644
index 000000000..0afb1deb6
--- /dev/null
+++ b/pkg/bindings/images/build_unix.go
@@ -0,0 +1,16 @@
+// +build !windows
+
+package images
+
+import (
+	"os"
+	"syscall"
+)
+
+func checkHardLink(fi os.FileInfo) (devino, bool) {
+	st := fi.Sys().(*syscall.Stat_t)
+	return devino{
+		Dev: uint64(st.Dev),
+		Ino: uint64(st.Ino),
+	}, st.Nlink > 1
+}