1 files changed, 30 insertions, 0 deletions
diff --git a/src/tools/collect-license-metadata/src/main.rs b/src/tools/collect-license-metadata/src/main.rs
new file mode 100644
index 000000000..ca2a6f4b8
--- /dev/null
+++ b/src/tools/collect-license-metadata/src/main.rs
@@ -0,0 +1,30 @@
+mod licenses;
+mod path_tree;
+mod reuse;
+
+use crate::licenses::LicensesInterner;
+use anyhow::Error;
+use std::path::PathBuf;
+
+fn main() -> Result<(), Error> {
+    let reuse_exe: PathBuf = std::env::var_os("REUSE_EXE").expect("Missing REUSE_EXE").into();
+    let dest: PathBuf = std::env::var_os("DEST").expect("Missing DEST").into();
+
+    let mut interner = LicensesInterner::new();
+    let paths = crate::reuse::collect(&reuse_exe, &mut interner)?;
+
+    let mut tree = crate::path_tree::build(paths);
+    tree.simplify();
+
+    if let Some(parent) = dest.parent() {
+        std::fs::create_dir_all(parent)?;
+    }
+    std::fs::write(
+        &dest,
+        &serde_json::to_vec_pretty(&serde_json::json!({
+            "files": crate::path_tree::expand_interned_licenses(tree, &interner),
+        }))?,
+    )?;
+
+    Ok(())
+}