add License-File as well

Author: matt-phylum

src/metadata.rs

@@ -52,6 +52,9 @@ pub struct Metadata {
     /// An SPDX expression indicating the license covering the distribution.
     #[cfg_attr(feature = "serde", serde(default))]
     pub license_expression: Option<String>,
+    /// The path to a file containing the text of the license covering the distribution.
+    #[cfg_attr(feature = "serde", serde(default))]
+    pub license_file: Option<String>,
     /// Each entry is a string giving a single classification value for the distribution.
     #[cfg_attr(feature = "serde", serde(default))]
     pub classifiers: Vec<String>,
@@ -156,6 +159,7 @@ impl Metadata {
         let author_email = get_first_value("Author-email");
         let license = get_first_value("License");
         let license_expression = get_first_value("License-Expression");
+        let license_file = get_first_value("License-File");
         let classifiers = get_all_values("Classifier");
         let requires_dist = get_all_values("Requires-Dist");
         let provides_dist = get_all_values("Provides-Dist");
@@ -183,6 +187,7 @@ impl Metadata {
             author_email,
             license,
             license_expression,
+            license_file,
             classifiers,
             requires_dist,
             provides_dist,