diff options
Diffstat (limited to 'internal/processor/processor.go')
| -rw-r--r-- | internal/processor/processor.go | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/internal/processor/processor.go b/internal/processor/processor.go index d781a8b..9cbc5a7 100644 --- a/internal/processor/processor.go +++ b/internal/processor/processor.go @@ -77,8 +77,12 @@ func Run(cfg *config.Config) (int, error) { // claimedByMarkdown scans all .md entries in inputDir and returns a set of // image filenames that are referenced within those markdown files. // Those images should be embedded in the markdown post, not processed alone. +// If two different markdown files claim the same image, an error is returned. func claimedByMarkdown(entries []os.DirEntry, inputDir string) (map[string]bool, error) { claimed := make(map[string]bool) + // owners tracks which markdown file first claimed each image so we can + // detect conflicts before processing begins. + owners := make(map[string]string) for _, entry := range entries { if entry.IsDir() || strings.ToLower(filepath.Ext(entry.Name())) != ".md" { @@ -92,6 +96,10 @@ func claimedByMarkdown(entries []os.DirEntry, inputDir string) (map[string]bool, } for _, imgName := range findLocalImages(string(data), inputDir) { + if owner, exists := owners[imgName]; exists && owner != entry.Name() { + return nil, fmt.Errorf("image %q claimed by both %q and %q", imgName, owner, entry.Name()) + } + owners[imgName] = entry.Name() claimed[imgName] = true } } |