fs: Fix bug with ArchiveFS stat method

mholt · mholt · commit 743ede3881bb · 2024-08-21T11:43:08.000-06:00
I think this is what @WeidiDeng intended from #354
diff --git a/fs.go b/fs.go
@@ -537,7 +537,8 @@ func (f ArchiveFS) Stat(name string) (fs.FileInfo, error) {
 		return nil, err
 	}
 
-	if (len(files) == 0 && files[0].NameInArchive == name) || found {
+	// exactly one or exact file found, test name match to detect implicit dir name https://github.com/mholt/archiver/issues/340
+	if (len(files) == 1 && files[0].NameInArchive == name) || found {
 		return files[len(files)-1].FileInfo, nil
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -537,7 +537,8 @@ func (f ArchiveFS) Stat(name string) (fs.FileInfo, error) {`
`537`	`537`	`return nil, err`
`538`	`538`	`}`
`539`	`539`
`540`		`- if (len(files) == 0 && files[0].NameInArchive == name) \|\| found {`
	`540`	`+ // exactly one or exact file found, test name match to detect implicit dir name https://github.com/mholt/archiver/issues/340`
	`541`	`+ if (len(files) == 1 && files[0].NameInArchive == name) \|\| found {`
`541`	`542`	`return files[len(files)-1].FileInfo, nil`
`542`	`543`	`}`
`543`	`544`