diff options
| -rw-r--r-- | diffcore-rename.c | 37 |
1 files changed, 33 insertions, 4 deletions
diff --git a/diffcore-rename.c b/diffcore-rename.c index 7f6115fd90..e8508541be 100644 --- a/diffcore-rename.c +++ b/diffcore-rename.c @@ -527,6 +527,7 @@ static void update_dir_rename_counts(struct dir_rename_info *info, } static void initialize_dir_rename_info(struct dir_rename_info *info, + struct strset *relevant_sources, struct strset *dirs_removed, struct strmap *dir_rename_count) { @@ -534,7 +535,7 @@ static void initialize_dir_rename_info(struct dir_rename_info *info, struct strmap_entry *entry; int i; - if (!dirs_removed) { + if (!dirs_removed && !relevant_sources) { info->setup = 0; return; } @@ -549,7 +550,20 @@ static void initialize_dir_rename_info(struct dir_rename_info *info, strmap_init_with_options(&info->dir_rename_guess, NULL, 0); /* Setup info->relevant_source_dirs */ - info->relevant_source_dirs = dirs_removed; + info->relevant_source_dirs = NULL; + if (dirs_removed || !relevant_sources) { + info->relevant_source_dirs = dirs_removed; /* might be NULL */ + } else { + info->relevant_source_dirs = xmalloc(sizeof(struct strintmap)); + strset_init(info->relevant_source_dirs); + strset_for_each_entry(relevant_sources, &iter, entry) { + char *dirname = get_dirname(entry->key); + if (!dirs_removed || + strset_contains(dirs_removed, dirname)) + strset_add(info->relevant_source_dirs, dirname); + free(dirname); + } + } /* * Loop setting up both info->idx_map, and doing setup of @@ -627,6 +641,13 @@ static void cleanup_dir_rename_info(struct dir_rename_info *info, /* dir_rename_guess */ strmap_clear(&info->dir_rename_guess, 1); + /* relevant_source_dirs */ + if (info->relevant_source_dirs && + info->relevant_source_dirs != dirs_removed) { + strset_clear(info->relevant_source_dirs); + FREE_AND_NULL(info->relevant_source_dirs); + } + /* dir_rename_count */ if (!keep_dir_rename_count) { partial_clear_dir_rename_count(info->dir_rename_count); @@ -749,6 +770,7 @@ static int idx_possible_rename(char *filename, struct dir_rename_info *info) static int find_basename_matches(struct diff_options *options, int minimum_score, struct dir_rename_info *info, + struct strset *relevant_sources, struct strset *dirs_removed) { /* @@ -839,6 +861,11 @@ static int find_basename_matches(struct diff_options *options, intptr_t src_index; intptr_t dst_index; + /* Skip irrelevant sources */ + if (relevant_sources && + !strset_contains(relevant_sources, filename)) + continue; + /* * If the basename is unique among remaining sources, then * src_index will equal 'i' and we can attempt to match it @@ -1164,7 +1191,7 @@ void diffcore_rename_extended(struct diff_options *options, /* Preparation for basename-driven matching. */ trace2_region_enter("diff", "dir rename setup", options->repo); - initialize_dir_rename_info(&info, + initialize_dir_rename_info(&info, relevant_sources, dirs_removed, dir_rename_count); trace2_region_leave("diff", "dir rename setup", options->repo); @@ -1172,7 +1199,9 @@ void diffcore_rename_extended(struct diff_options *options, trace2_region_enter("diff", "basename matches", options->repo); rename_count += find_basename_matches(options, min_basename_score, - &info, dirs_removed); + &info, + relevant_sources, + dirs_removed); trace2_region_leave("diff", "basename matches", options->repo); /* |