diff options
Diffstat (limited to 'revision.c')
| -rw-r--r-- | revision.c | 122 |
1 files changed, 93 insertions, 29 deletions
diff --git a/revision.c b/revision.c index 4231ea2cc..fb9924e5a 100644 --- a/revision.c +++ b/revision.c @@ -6,6 +6,7 @@ #include "diff.h" #include "refs.h" #include "revision.h" +#include "graph.h" #include "grep.h" #include "reflog-walk.h" #include "patch-ids.h" @@ -415,7 +416,6 @@ static int add_parents_to_list(struct rev_info *revs, struct commit *commit, str { struct commit_list *parent = commit->parents; unsigned left_flag; - int add, rest; if (commit->object.flags & ADDED) return 0; @@ -462,19 +462,18 @@ static int add_parents_to_list(struct rev_info *revs, struct commit *commit, str left_flag = (commit->object.flags & SYMMETRIC_LEFT); - rest = !revs->first_parent_only; - for (parent = commit->parents, add = 1; parent; add = rest) { + for (parent = commit->parents; parent; parent = parent->next) { struct commit *p = parent->item; - parent = parent->next; if (parse_commit(p) < 0) return -1; p->object.flags |= left_flag; - if (p->object.flags & SEEN) - continue; - p->object.flags |= SEEN; - if (add) + if (!(p->object.flags & SEEN)) { + p->object.flags |= SEEN; insert_by_date(p, list); + } + if(revs->first_parent_only) + break; } return 0; } @@ -1105,7 +1104,8 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch } } if (!strcmp(arg, "--parents")) { - revs->parents = 1; + revs->rewrite_parents = 1; + revs->print_parents = 1; continue; } if (!strcmp(arg, "--dense")) { @@ -1202,6 +1202,12 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch get_commit_format(arg+8, revs); continue; } + if (!prefixcmp(arg, "--graph")) { + revs->topo_order = 1; + revs->rewrite_parents = 1; + revs->graph = graph_init(revs); + continue; + } if (!strcmp(arg, "--root")) { revs->show_root_diff = 1; continue; @@ -1396,6 +1402,15 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch if (revs->reverse && revs->reflog_info) die("cannot combine --reverse with --walk-reflogs"); + /* + * Limitations on the graph functionality + */ + if (revs->reverse && revs->graph) + die("cannot combine --reverse with --graph"); + + if (revs->reflog_info && revs->graph) + die("cannot combine --walk-reflogs with --graph"); + return left; } @@ -1524,13 +1539,13 @@ enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit) /* Commit without changes? */ if (commit->object.flags & TREESAME) { /* drop merges unless we want parenthood */ - if (!revs->parents) + if (!revs->rewrite_parents) return commit_ignore; /* non-merge - always ignore it */ if (!commit->parents || !commit->parents->next) return commit_ignore; } - if (revs->parents && rewrite_parents(revs, commit) < 0) + if (revs->rewrite_parents && rewrite_parents(revs, commit) < 0) return commit_error; } return commit_show; @@ -1597,28 +1612,62 @@ static void gc_boundary(struct object_array *array) } } -struct commit *get_revision(struct rev_info *revs) +static void create_boundary_commit_list(struct rev_info *revs) +{ + unsigned i; + struct commit *c; + struct object_array *array = &revs->boundary_commits; + struct object_array_entry *objects = array->objects; + + /* + * If revs->commits is non-NULL at this point, an error occurred in + * get_revision_1(). Ignore the error and continue printing the + * boundary commits anyway. (This is what the code has always + * done.) + */ + if (revs->commits) { + free_commit_list(revs->commits); + revs->commits = NULL; + } + + /* + * Put all of the actual boundary commits from revs->boundary_commits + * into revs->commits + */ + for (i = 0; i < array->nr; i++) { + c = (struct commit *)(objects[i].item); + if (!c) + continue; + if (!(c->object.flags & CHILD_SHOWN)) + continue; + if (c->object.flags & (SHOWN | BOUNDARY)) + continue; + c->object.flags |= BOUNDARY; + commit_list_insert(c, &revs->commits); + } + + /* + * If revs->topo_order is set, sort the boundary commits + * in topological order + */ + sort_in_topological_order(&revs->commits, revs->lifo); +} + +static struct commit *get_revision_internal(struct rev_info *revs) { struct commit *c = NULL; struct commit_list *l; if (revs->boundary == 2) { - unsigned i; - struct object_array *array = &revs->boundary_commits; - struct object_array_entry *objects = array->objects; - for (i = 0; i < array->nr; i++) { - c = (struct commit *)(objects[i].item); - if (!c) - continue; - if (!(c->object.flags & CHILD_SHOWN)) - continue; - if (!(c->object.flags & SHOWN)) - break; - } - if (array->nr <= i) - return NULL; - - c->object.flags |= SHOWN | BOUNDARY; + /* + * All of the normal commits have already been returned, + * and we are now returning boundary commits. + * create_boundary_commit_list() has populated + * revs->commits with the remaining commits to return. + */ + c = pop_commit(&revs->commits); + if (c) + c->object.flags |= SHOWN; return c; } @@ -1682,7 +1731,14 @@ struct commit *get_revision(struct rev_info *revs) * switch to boundary commits output mode. */ revs->boundary = 2; - return get_revision(revs); + + /* + * Update revs->commits to contain the list of + * boundary commits. + */ + create_boundary_commit_list(revs); + + return get_revision_internal(revs); } /* @@ -1704,3 +1760,11 @@ struct commit *get_revision(struct rev_info *revs) return c; } + +struct commit *get_revision(struct rev_info *revs) +{ + struct commit *c = get_revision_internal(revs); + if (c && revs->graph) + graph_update(revs->graph, c); + return c; +} |