bastion 0.53.2

client-go/deltacache_linux.go

@@ -0,0 +1,24 @@
+//go:build linux
+
+package main
+
+// The strong cache key on Linux: device, inode, size, and the inode's change
+// time. deltacache.go says why ctime is the field that matters.
+
+import (
+	"os"
+	"strconv"
+	"syscall"
+)
+
+func statIdentity(fi os.FileInfo) (string, bool) {
+	st, ok := fi.Sys().(*syscall.Stat_t)
+	if !ok {
+		return "", false
+	}
+	return strconv.FormatUint(uint64(st.Dev), 10) + ":" +
+		strconv.FormatUint(st.Ino, 10) + ":" +
+		strconv.FormatInt(fi.Size(), 10) + ":" +
+		strconv.FormatInt(st.Ctim.Sec, 10) + "." +
+		strconv.FormatInt(st.Ctim.Nsec, 10), true
+}