diff options
Diffstat (limited to 'revision.c')
| -rw-r--r-- | revision.c | 79 |
1 files changed, 71 insertions, 8 deletions
@@ -15,6 +15,7 @@ #include "string-list.h" #include "line-log.h" #include "mailmap.h" +#include "commit-slab.h" volatile show_early_output_fn_t show_early_output; @@ -138,8 +139,7 @@ void mark_tree_uninteresting(struct tree *tree) * We don't care about the tree any more * after it has been marked uninteresting. */ - free(tree->buffer); - tree->buffer = NULL; + free_tree_buffer(tree); } void mark_parents_uninteresting(struct commit *commit) @@ -1372,7 +1372,7 @@ static void prepare_show_merge(struct rev_info *revs) i++; } free_pathspec(&revs->prune_data); - init_pathspec(&revs->prune_data, prune); + parse_pathspec(&revs->prune_data, PATHSPEC_ALL_MAGIC, 0, "", prune); revs->limited = 1; } @@ -2120,8 +2120,8 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s */ ALLOC_GROW(prune_data.path, prune_data.nr+1, prune_data.alloc); prune_data.path[prune_data.nr++] = NULL; - init_pathspec(&revs->prune_data, - get_pathspec(revs->prefix, prune_data.path)); + parse_pathspec(&revs->prune_data, 0, 0, + revs->prefix, prune_data.path); } if (revs->def == NULL) @@ -2154,12 +2154,13 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s revs->limited = 1; if (revs->prune_data.nr) { - diff_tree_setup_paths(revs->prune_data.raw, &revs->pruning); + copy_pathspec(&revs->pruning.pathspec, &revs->prune_data); /* Can't prune commits with rename following: the paths change.. */ if (!DIFF_OPT_TST(&revs->diffopt, FOLLOW_RENAMES)) revs->prune = 1; if (!revs->full_diff) - diff_tree_setup_paths(revs->prune_data.raw, &revs->diffopt); + copy_pathspec(&revs->diffopt.pathspec, + &revs->prune_data); } if (revs->combine_merges) revs->ignore_merges = 0; @@ -2763,7 +2764,7 @@ static int commit_match(struct commit *commit, struct rev_info *opt) return retval; } -static inline int want_ancestry(struct rev_info *revs) +static inline int want_ancestry(const struct rev_info *revs) { return (revs->rewrite_parents || revs->children.name); } @@ -2820,6 +2821,14 @@ enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit) if (action == commit_show && !revs->show_all && revs->prune && revs->dense && want_ancestry(revs)) { + /* + * --full-diff on simplified parents is no good: it + * will show spurious changes from the commits that + * were elided. So we save the parents on the side + * when --full-diff is in effect. + */ + if (revs->full_diff) + save_parents(revs, commit); if (rewrite_parents(revs, commit, rewrite_one) < 0) return commit_error; } @@ -2839,6 +2848,7 @@ static struct commit *get_revision_1(struct rev_info *revs) free(entry); if (revs->reflog_info) { + save_parents(revs, commit); fake_reflog_parent(revs->reflog_info, commit); commit->object.flags &= ~(ADDED | SEEN | SHOWN); } @@ -3038,6 +3048,8 @@ struct commit *get_revision(struct rev_info *revs) c = get_revision_internal(revs); if (c && revs->graph) graph_update(revs->graph, c); + if (!c) + free_saved_parents(revs); return c; } @@ -3069,3 +3081,54 @@ void put_revision_mark(const struct rev_info *revs, const struct commit *commit) fputs(mark, stdout); putchar(' '); } + +define_commit_slab(saved_parents, struct commit_list *); + +#define EMPTY_PARENT_LIST ((struct commit_list *)-1) + +void save_parents(struct rev_info *revs, struct commit *commit) +{ + struct commit_list **pp; + + if (!revs->saved_parents_slab) { + revs->saved_parents_slab = xmalloc(sizeof(struct saved_parents)); + init_saved_parents(revs->saved_parents_slab); + } + + pp = saved_parents_at(revs->saved_parents_slab, commit); + + /* + * When walking with reflogs, we may visit the same commit + * several times: once for each appearance in the reflog. + * + * In this case, save_parents() will be called multiple times. + * We want to keep only the first set of parents. We need to + * store a sentinel value for an empty (i.e., NULL) parent + * list to distinguish it from a not-yet-saved list, however. + */ + if (*pp) + return; + if (commit->parents) + *pp = copy_commit_list(commit->parents); + else + *pp = EMPTY_PARENT_LIST; +} + +struct commit_list *get_saved_parents(struct rev_info *revs, const struct commit *commit) +{ + struct commit_list *parents; + + if (!revs->saved_parents_slab) + return commit->parents; + + parents = *saved_parents_at(revs->saved_parents_slab, commit); + if (parents == EMPTY_PARENT_LIST) + return NULL; + return parents; +} + +void free_saved_parents(struct rev_info *revs) +{ + if (revs->saved_parents_slab) + clear_saved_parents(revs->saved_parents_slab); +} |