Add FNV-1a content hash to detect same-size changesHEADmain

1 files changed, 3 insertions, 1 deletions

diff --git a/watcher.go b/watcher.go
index 137bb36..284c3fa 100644
--- a/watcher.go
+++ b/watcher.go
@@ -99,7 +99,8 @@ func syncWrite(srcPath, destPath, relPath string, manifest *Manifest, dryRun boo
 	}
 
 	meta, exists := manifest.Files[relPath]
-	if exists && meta.Size == info.Size() && meta.Symlink == linkTarget {
+	srcHash := hashFile(srcPath)
+	if exists && meta.Size == info.Size() && meta.Symlink == linkTarget && (srcHash == 0 || meta.Hash == srcHash) {
 		return
 	}
 
@@ -108,6 +109,7 @@ func syncWrite(srcPath, destPath, relPath string, manifest *Manifest, dryRun boo
 		Mode:    info.Mode(),
 		ModTime: info.ModTime(),
 		Symlink: linkTarget,
+		Hash:    srcHash,
 	}
 
 	if dryRun {