rtree: add support for multiple URLs per remote

This requires changing the index format, which I'm using as an
opportunity to:

- move from YAML to JSON (so I can maybe kill the YAML parser dependency
  at some point)
- move the index file into standard XDG paths

1 files changed, 3 insertions, 1 deletions

diff --git a/internal/rtree/main.go b/internal/rtree/main.go
index 842a67b..68faa36 100644
--- a/internal/rtree/main.go
+++ b/internal/rtree/main.go
@@ -139,7 +139,9 @@ func commandRemotes(index *Index) {
 	var items []string
 	for _, repo := range index.Repos {
 		for _, remote := range repo.Remotes {
-			items = append(items, remote.URL.CompactURL())
+			for _, url := range remote.URLs {
+				items = append(items, url.CompactURL())
+			}
 		}
 	}
 	cli.Interface.ShowResultsSorted(items)