On Thu, 8 Feb 2018 15:37:31 -0500 Derrick Stolee <stolee@xxxxxxxxx> wrote: > It is possible to have multiple commit graph files in a pack directory, > but only one is important at a time. Use a 'graph_head' file to point > to the important file. Teach git-commit-graph to write 'graph_head' upon > writing a new commit graph file. You should probably include the rationale for a special "graph_head" file that you describe here [1] in the commit message. [1] https://public-inbox.org/git/99543db0-26e4-8daa-a580-b618497e48ba@xxxxxxxxx/ > +char *get_graph_head_filename(const char *pack_dir) > +{ > + struct strbuf fname = STRBUF_INIT; > + strbuf_addstr(&fname, pack_dir); > + strbuf_addstr(&fname, "/graph-head"); > + return strbuf_detach(&fname, 0); NULL, not 0. > +}
