diff options
Diffstat (limited to 'revision.c')
| -rw-r--r-- | revision.c | 105 |
1 files changed, 100 insertions, 5 deletions
@@ -8,6 +8,7 @@ #include "revision.h" #include "grep.h" #include "reflog-walk.h" +#include "patch-ids.h" static char *path_name(struct name_path *path, const char *name) { @@ -360,6 +361,7 @@ static void add_parents_to_list(struct rev_info *revs, struct commit *commit, st { struct commit_list *parent = commit->parents; unsigned left_flag; + int add, rest; if (commit->object.flags & ADDED) return; @@ -405,21 +407,102 @@ static void add_parents_to_list(struct rev_info *revs, struct commit *commit, st return; left_flag = (commit->object.flags & SYMMETRIC_LEFT); - parent = commit->parents; - while (parent) { + + rest = !revs->first_parent_only; + for (parent = commit->parents, add = 1; parent; add = rest) { struct commit *p = parent->item; parent = parent->next; - parse_commit(p); p->object.flags |= left_flag; if (p->object.flags & SEEN) continue; p->object.flags |= SEEN; - insert_by_date(p, list); + if (add) + insert_by_date(p, list); } } +static void cherry_pick_list(struct commit_list *list) +{ + struct commit_list *p; + int left_count = 0, right_count = 0; + int left_first; + struct patch_ids ids; + + /* First count the commits on the left and on the right */ + for (p = list; p; p = p->next) { + struct commit *commit = p->item; + unsigned flags = commit->object.flags; + if (flags & BOUNDARY) + ; + else if (flags & SYMMETRIC_LEFT) + left_count++; + else + right_count++; + } + + left_first = left_count < right_count; + init_patch_ids(&ids); + + /* Compute patch-ids for one side */ + for (p = list; p; p = p->next) { + struct commit *commit = p->item; + unsigned flags = commit->object.flags; + + if (flags & BOUNDARY) + continue; + /* + * If we have fewer left, left_first is set and we omit + * commits on the right branch in this loop. If we have + * fewer right, we skip the left ones. + */ + if (left_first != !!(flags & SYMMETRIC_LEFT)) + continue; + commit->util = add_commit_patch_id(commit, &ids); + } + + /* Check the other side */ + for (p = list; p; p = p->next) { + struct commit *commit = p->item; + struct patch_id *id; + unsigned flags = commit->object.flags; + + if (flags & BOUNDARY) + continue; + /* + * If we have fewer left, left_first is set and we omit + * commits on the left branch in this loop. + */ + if (left_first == !!(flags & SYMMETRIC_LEFT)) + continue; + + /* + * Have we seen the same patch id? + */ + id = has_commit_patch_id(commit, &ids); + if (!id) + continue; + id->seen = 1; + commit->object.flags |= SHOWN; + } + + /* Now check the original side for seen ones */ + for (p = list; p; p = p->next) { + struct commit *commit = p->item; + struct patch_id *ent; + + ent = commit->util; + if (!ent) + continue; + if (ent->seen) + commit->object.flags |= SHOWN; + commit->util = NULL; + } + + free_patch_ids(&ids); +} + static void limit_list(struct rev_info *revs) { struct commit_list *list = revs->commits; @@ -447,6 +530,9 @@ static void limit_list(struct rev_info *revs) continue; p = &commit_list_insert(commit, p)->next; } + if (revs->cherry_pick) + cherry_pick_list(newlist); + revs->commits = newlist; } @@ -484,7 +570,7 @@ static void handle_one_reflog_commit(unsigned char *sha1, void *cb_data) add_pending_object(cb->all_revs, o, ""); } else if (!cb->warned_bad_reflog) { - warn("reflog of '%s' references pruned commits", + warning("reflog of '%s' references pruned commits", cb->name_for_errormsg); cb->warned_bad_reflog = 1; } @@ -565,6 +651,7 @@ void init_revisions(struct rev_info *revs, const char *prefix) revs->min_age = -1; revs->skip_count = -1; revs->max_count = -1; + revs->subject_prefix = "PATCH"; revs->prune_fn = NULL; revs->prune_data = NULL; @@ -847,6 +934,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch handle_all(revs, flags); continue; } + if (!strcmp(arg, "--first-parent")) { + revs->first_parent_only = 1; + continue; + } if (!strcmp(arg, "--reflog")) { handle_reflog(revs, flags); continue; @@ -907,6 +998,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch revs->left_right = 1; continue; } + if (!strcmp(arg, "--cherry-pick")) { + revs->cherry_pick = 1; + continue; + } if (!strcmp(arg, "--objects")) { revs->tag_objects = 1; revs->tree_objects = 1; |