diff options
Diffstat (limited to 'log-tree.c')
| -rw-r--r-- | log-tree.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/log-tree.c b/log-tree.c index d3e7a40b64..8f762fb373 100644 --- a/log-tree.c +++ b/log-tree.c @@ -1,4 +1,5 @@ #include "cache.h" +#include "commit-reach.h" #include "config.h" #include "diff.h" #include "object-store.h" @@ -7,6 +8,7 @@ #include "tag.h" #include "graph.h" #include "log-tree.h" +#include "merge-ort.h" #include "reflog-walk.h" #include "refs.h" #include "string-list.h" @@ -904,6 +906,51 @@ static int do_diff_combined(struct rev_info *opt, struct commit *commit) return !opt->loginfo; } +static int do_remerge_diff(struct rev_info *opt, + struct commit_list *parents, + struct object_id *oid, + struct commit *commit) +{ + struct merge_options o; + struct commit_list *bases; + struct merge_result res = {0}; + struct pretty_print_context ctx = {0}; + struct commit *parent1 = parents->item; + struct commit *parent2 = parents->next->item; + struct strbuf parent1_desc = STRBUF_INIT; + struct strbuf parent2_desc = STRBUF_INIT; + + /* Setup merge options */ + init_merge_options(&o, the_repository); + o.show_rename_progress = 0; + + ctx.abbrev = DEFAULT_ABBREV; + format_commit_message(parent1, "%h (%s)", &parent1_desc, &ctx); + format_commit_message(parent2, "%h (%s)", &parent2_desc, &ctx); + o.branch1 = parent1_desc.buf; + o.branch2 = parent2_desc.buf; + + /* Parse the relevant commits and get the merge bases */ + parse_commit_or_die(parent1); + parse_commit_or_die(parent2); + bases = get_merge_bases(parent1, parent2); + + /* Re-merge the parents */ + merge_incore_recursive(&o, bases, parent1, parent2, &res); + + /* Show the diff */ + diff_tree_oid(&res.tree->object.oid, oid, "", &opt->diffopt); + log_tree_diff_flush(opt); + + /* Cleanup */ + strbuf_release(&parent1_desc); + strbuf_release(&parent2_desc); + merge_finalize(&o, &res); + /* TODO: clean up the temporary object directory */ + + return !opt->loginfo; +} + /* * Show the diff of a commit. * @@ -938,6 +985,18 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log } if (is_merge) { + int octopus = (parents->next->next != NULL); + + if (opt->remerge_diff) { + if (octopus) { + show_log(opt); + fprintf(opt->diffopt.file, + "diff: warning: Skipping remerge-diff " + "for octopus merges.\n"); + return 1; + } + return do_remerge_diff(opt, parents, oid, commit); + } if (opt->combine_merges) return do_diff_combined(opt, commit); if (opt->separate_merges) { |