diff options
Diffstat (limited to 'tvix/nar-bridge/pkg/reader/reader.go')
| -rw-r--r-- | tvix/nar-bridge/pkg/reader/reader.go | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/tvix/nar-bridge/pkg/reader/reader.go b/tvix/nar-bridge/pkg/reader/reader.go index 6d34cd168d..9ff7b3fedb 100644 --- a/tvix/nar-bridge/pkg/reader/reader.go +++ b/tvix/nar-bridge/pkg/reader/reader.go @@ -190,15 +190,21 @@ func (r *Reader) Import( // Check for valid path transitions, pop from stack if needed // The nar reader already gives us some guarantees about ordering and illegal transitions, // So we really only need to check if the top-of-stack path is a prefix of the path, - // and if it's not, pop from the stack. + // and if it's not, pop from the stack. We do this repeatedly until the top of the stack is + // the subdirectory the new entry is in, or we hit the root directory. // We don't need to worry about the root node case, because we can only finish the root "/" // If we're at the end of the NAR reader (covered by the EOF check) - if len(stack) > 0 && !strings.HasPrefix(hdr.Path, stack[len(stack)-1].path) { - err := popFromStack() - if err != nil { - return nil, fmt.Errorf("unable to pop from stack: %w", err) + for { + // We never want to pop the root directory until we're completely done. + if len(stack) > 1 && !strings.HasPrefix(hdr.Path, stack[len(stack)-1].path+"/") { + err := popFromStack() + if err != nil { + return nil, fmt.Errorf("unable to pop from stack: %w", err) + } + continue } + break } if hdr.Type == nar.TypeSymlink { |