Commit some stuff

core/index.go

@@ -1 +1,34 @@
 package core
+// Index is a representation of the index.toml file for referencing all the files in a pack.
+type Index struct {
+	HashFormat string `toml:"hash-format"`
+	Files      []struct {
+		File       string `toml:"file"`
+		Hash       string `toml:"hash"`
+		HashFormat string `toml:"hash-format,omitempty"`
+		Alias      string `toml:"alias,omitempty"`
+	} `toml:"files"`
+}
+
+// LoadIndex loads the index file
+func LoadIndex(flags Flags) (Index, error) {
+	indexFile, err := ResolveIndex(flags)
+	if err != nil {
+		return Index{}, err
+	}
+
+	_ = indexFile // TODO finish
+	return Index{}, nil
+}
+
+// RemoveFile removes a file from the index.
+func (in Index) RemoveFile(path string) {
+	newFiles := in.Files[:0]
+	for _, v := range in.Files {
+		if v.File != path {
+			newFiles = append(newFiles, v)
+		}
+	}
+	in.Files = newFiles
+}
+