Merge branch 'kj/repo-info-more-path-keys' into seen

The 'git repo info' command has been taught more keys to output paths of various repository components (such as the working tree root, superproject working tree, object database, etc.), supporting both absolute and relative path formats. * kj/repo-info-more-path-keys: repo: add path.git-prefix path key repo: add path.grafts with absolute and relative suffix formatting repo: add path.index with absolute and relative suffix formatting repo: add path.hooks with absolute and relative suffix formatting repo: add path.objects with absolute and relative suffix formatting repo: add path.superproject-working-tree with absolute and relative suffixes repo: add path.toplevel with absolute and relative suffix formatting