Derrick Stolee <stolee@xxxxxxxxx> writes: > On 5/22/2019 2:49 PM, Karl Ostmo wrote: >> After producing the file ".git/objects/info/commit-graph" with the >> command "git commit-graph write", is there a way to answer queries >> like "git merge-base --is-ancestor" without having a .git directory? >> E.g. is there a library that will operate on the "commit-graph" file >> all by itself? > > You could certainly build such a tool, assuming your merge-base parameters are > full-length commit ids. If you try to start at ref names, you'll need the .git > directory. > > I would not expect such a tool to ever exist in the Git codebase. Instead, you > would need a new project, say "graph-analyzer --graph=<path> --is-ancestor <id1> <id2>" It would be nice if such tool could convert commit-graph into other commonly used augmented graph storage formats, like GEXF (Graph Exchange XML Format), GraphML, GML (Graph Modelling Language), Pajek format or Graphviz .dot format. Wishfully thinking, -- Jakub Narębski