Function forc_pkg::graph_to_path_map

pub fn graph_to_path_map(
    proj_manifest_dir: &Path, 
    graph: &Graph, 
    compilation_order: &[NodeIx], 
    sway_git_tag: &str
) -> Result<PathMap>

Given graph of pinned dependencies and the directory for the root node, produce a path map containing the path to the local source for every node in the graph.