diff options
Diffstat (limited to 'revision.c')
-rw-r--r-- | revision.c | 210 |
1 files changed, 115 insertions, 95 deletions
diff --git a/revision.c b/revision.c index 211352795c..d5f4463cb6 100644 --- a/revision.c +++ b/revision.c @@ -33,6 +33,7 @@ #include "bloom.h" #include "json-writer.h" #include "list-objects-filter-options.h" +#include "resolve-undo.h" volatile show_early_output_fn_t show_early_output; @@ -118,10 +119,10 @@ struct path_and_oids_entry { struct oidset trees; }; -static int path_and_oids_cmp(const void *hashmap_cmp_fn_data, +static int path_and_oids_cmp(const void *hashmap_cmp_fn_data UNUSED, const struct hashmap_entry *eptr, const struct hashmap_entry *entry_or_key, - const void *keydata) + const void *keydata UNUSED) { const struct path_and_oids_entry *e1, *e2; @@ -372,18 +373,10 @@ static struct object *get_reference(struct rev_info *revs, const char *name, unsigned int flags) { struct object *object; - struct commit *commit; - /* - * If the repository has commit graphs, we try to opportunistically - * look up the object ID in those graphs. Like this, we can avoid - * parsing commit data from disk. - */ - commit = lookup_commit_in_graph(revs->repo, oid); - if (commit) - object = &commit->object; - else - object = parse_object(revs->repo, oid); + object = parse_object_with_flags(revs->repo, oid, + revs->verify_objects ? 0 : + PARSE_OBJECT_SKIP_HASH_CHECK); if (!object) { if (revs->ignore_missing) @@ -1104,7 +1097,7 @@ static int process_parents(struct rev_info *revs, struct commit *commit, struct commit_list **list, struct prio_queue *queue) { struct commit_list *parent = commit->parents; - unsigned left_flag; + unsigned pass_flags; if (commit->object.flags & ADDED) return 0; @@ -1159,7 +1152,7 @@ static int process_parents(struct rev_info *revs, struct commit *commit, if (revs->no_walk) return 0; - left_flag = (commit->object.flags & SYMMETRIC_LEFT); + pass_flags = (commit->object.flags & (SYMMETRIC_LEFT | ANCESTRY_PATH)); for (parent = commit->parents; parent; parent = parent->next) { struct commit *p = parent->item; @@ -1180,7 +1173,7 @@ static int process_parents(struct rev_info *revs, struct commit *commit, if (!*slot) *slot = *revision_sources_at(revs->sources, commit); } - p->object.flags |= left_flag; + p->object.flags |= pass_flags; if (!(p->object.flags & SEEN)) { p->object.flags |= (SEEN | NOT_USER_GIVEN); if (list) @@ -1303,13 +1296,24 @@ static int still_interesting(struct commit_list *src, timestamp_t date, int slop } /* - * "rev-list --ancestry-path A..B" computes commits that are ancestors - * of B but not ancestors of A but further limits the result to those - * that are descendants of A. This takes the list of bottom commits and - * the result of "A..B" without --ancestry-path, and limits the latter - * further to the ones that can reach one of the commits in "bottom". + * "rev-list --ancestry-path=C_0 [--ancestry-path=C_1 ...] A..B" + * computes commits that are ancestors of B but not ancestors of A but + * further limits the result to those that have any of C in their + * ancestry path (i.e. are either ancestors of any of C, descendants + * of any of C, or are any of C). If --ancestry-path is specified with + * no commit, we use all bottom commits for C. + * + * Before this function is called, ancestors of C will have already + * been marked with ANCESTRY_PATH previously. + * + * This takes the list of bottom commits and the result of "A..B" + * without --ancestry-path, and limits the latter further to the ones + * that have any of C in their ancestry path. Since the ancestors of C + * have already been marked (a prerequisite of this function), we just + * need to mark the descendants, then exclude any commit that does not + * have any of these marks. */ -static void limit_to_ancestry(struct commit_list *bottom, struct commit_list *list) +static void limit_to_ancestry(struct commit_list *bottoms, struct commit_list *list) { struct commit_list *p; struct commit_list *rlist = NULL; @@ -1322,7 +1326,7 @@ static void limit_to_ancestry(struct commit_list *bottom, struct commit_list *li for (p = list; p; p = p->next) commit_list_insert(p->item, &rlist); - for (p = bottom; p; p = p->next) + for (p = bottoms; p; p = p->next) p->item->object.flags |= TMP_MARK; /* @@ -1355,38 +1359,39 @@ static void limit_to_ancestry(struct commit_list *bottom, struct commit_list *li */ /* - * The ones that are not marked with TMP_MARK are uninteresting + * The ones that are not marked with either TMP_MARK or + * ANCESTRY_PATH are uninteresting */ for (p = list; p; p = p->next) { struct commit *c = p->item; - if (c->object.flags & TMP_MARK) + if (c->object.flags & (TMP_MARK | ANCESTRY_PATH)) continue; c->object.flags |= UNINTERESTING; } - /* We are done with the TMP_MARK */ + /* We are done with TMP_MARK and ANCESTRY_PATH */ for (p = list; p; p = p->next) - p->item->object.flags &= ~TMP_MARK; - for (p = bottom; p; p = p->next) - p->item->object.flags &= ~TMP_MARK; + p->item->object.flags &= ~(TMP_MARK | ANCESTRY_PATH); + for (p = bottoms; p; p = p->next) + p->item->object.flags &= ~(TMP_MARK | ANCESTRY_PATH); free_commit_list(rlist); } /* - * Before walking the history, keep the set of "negative" refs the - * caller has asked to exclude. + * Before walking the history, add the set of "negative" refs the + * caller has asked to exclude to the bottom list. * * This is used to compute "rev-list --ancestry-path A..B", as we need * to filter the result of "A..B" further to the ones that can actually * reach A. */ -static struct commit_list *collect_bottom_commits(struct commit_list *list) +static void collect_bottom_commits(struct commit_list *list, + struct commit_list **bottom) { - struct commit_list *elem, *bottom = NULL; + struct commit_list *elem; for (elem = list; elem; elem = elem->next) if (elem->item->object.flags & BOTTOM) - commit_list_insert(elem->item, &bottom); - return bottom; + commit_list_insert(elem->item, bottom); } /* Assumes either left_only or right_only is set */ @@ -1413,12 +1418,12 @@ static int limit_list(struct rev_info *revs) struct commit_list *original_list = revs->commits; struct commit_list *newlist = NULL; struct commit_list **p = &newlist; - struct commit_list *bottom = NULL; struct commit *interesting_cache = NULL; - if (revs->ancestry_path) { - bottom = collect_bottom_commits(original_list); - if (!bottom) + if (revs->ancestry_path_implicit_bottoms) { + collect_bottom_commits(original_list, + &revs->ancestry_path_bottoms); + if (!revs->ancestry_path_bottoms) die("--ancestry-path given but there are no bottom commits"); } @@ -1463,9 +1468,8 @@ static int limit_list(struct rev_info *revs) if (revs->left_only || revs->right_only) limit_left_right(newlist, revs); - if (bottom) - limit_to_ancestry(bottom, newlist); - free_commit_list(bottom); + if (revs->ancestry_path) + limit_to_ancestry(revs->ancestry_path_bottoms, newlist); /* * Check if any commits have become TREESAME by some of their parents @@ -1542,7 +1546,8 @@ int ref_excluded(struct string_list *ref_excludes, const char *path) } static int handle_one_ref(const char *path, const struct object_id *oid, - int flag, void *cb_data) + int flag UNUSED, + void *cb_data) { struct all_refs_cb *cb = cb_data; struct object *object; @@ -1617,8 +1622,11 @@ static void handle_one_reflog_commit(struct object_id *oid, void *cb_data) } static int handle_one_reflog_ent(struct object_id *ooid, struct object_id *noid, - const char *email, timestamp_t timestamp, int tz, - const char *message, void *cb_data) + const char *email UNUSED, + timestamp_t timestamp UNUSED, + int tz UNUSED, + const char *message UNUSED, + void *cb_data) { handle_one_reflog_commit(ooid, cb_data); handle_one_reflog_commit(noid, cb_data); @@ -1626,8 +1634,8 @@ static int handle_one_reflog_ent(struct object_id *ooid, struct object_id *noid, } static int handle_one_reflog(const char *refname_in_wt, - const struct object_id *oid, - int flag, void *cb_data) + const struct object_id *oid UNUSED, + int flag UNUSED, void *cb_data) { struct all_refs_cb *cb = cb_data; struct strbuf refname = STRBUF_INIT; @@ -1696,6 +1704,39 @@ static void add_cache_tree(struct cache_tree *it, struct rev_info *revs, } +static void add_resolve_undo_to_pending(struct index_state *istate, struct rev_info *revs) +{ + struct string_list_item *item; + struct string_list *resolve_undo = istate->resolve_undo; + + if (!resolve_undo) + return; + + for_each_string_list_item(item, resolve_undo) { + const char *path = item->string; + struct resolve_undo_info *ru = item->util; + int i; + + if (!ru) + continue; + for (i = 0; i < 3; i++) { + struct blob *blob; + + if (!ru->mode[i] || !S_ISREG(ru->mode[i])) + continue; + + blob = lookup_blob(revs->repo, &ru->oid[i]); + if (!blob) { + warning(_("resolve-undo records `%s` which is missing"), + oid_to_hex(&ru->oid[i])); + continue; + } + add_pending_object_with_path(revs, &blob->object, "", + ru->mode[i], path); + } + } +} + static void do_add_index_objects_to_pending(struct rev_info *revs, struct index_state *istate, unsigned int flags) @@ -1724,6 +1765,8 @@ static void do_add_index_objects_to_pending(struct rev_info *revs, add_cache_tree(istate->cache_tree, revs, &path, flags); strbuf_release(&path); } + + add_resolve_undo_to_pending(istate, revs); } void add_index_objects_to_pending(struct rev_info *revs, unsigned int flags) @@ -2177,7 +2220,7 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg const struct setup_revision_opt* opt) { const char *arg = argv[0]; - const char *optarg; + const char *optarg = NULL; int argcount; const unsigned hexsz = the_hash_algo->hexsz; @@ -2248,6 +2291,23 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg revs->ancestry_path = 1; revs->simplify_history = 0; revs->limited = 1; + revs->ancestry_path_implicit_bottoms = 1; + } else if (skip_prefix(arg, "--ancestry-path=", &optarg)) { + struct commit *c; + struct object_id oid; + const char *msg = _("could not get commit for ancestry-path argument %s"); + + revs->ancestry_path = 1; + revs->simplify_history = 0; + revs->limited = 1; + + if (repo_get_oid_committish(revs->repo, optarg, &oid)) + return error(msg, optarg); + get_reference(revs, optarg, &oid, ANCESTRY_PATH); + c = lookup_commit_reference(revs->repo, &oid); + if (!c) + return error(msg, optarg); + commit_list_insert(c, &revs->ancestry_path_bottoms); } else if (!strcmp(arg, "-g") || !strcmp(arg, "--walk-reflogs")) { init_reflog_walk(&revs->reflog_info); } else if (!strcmp(arg, "--default")) { @@ -2362,6 +2422,7 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg revs->tree_objects = 1; revs->blob_objects = 1; revs->verify_objects = 1; + disable_commit_graph(revs->repo); } else if (!strcmp(arg, "--unpacked")) { revs->unpacked = 1; } else if (starts_with(arg, "--unpacked=")) { @@ -2748,6 +2809,8 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s const char *arg = argv[i]; if (strcmp(arg, "--")) continue; + if (opt && opt->free_removed_argv_elements) + free((char *)argv[i]); argv[i] = NULL; argc = i; if (argv[i + 1]) @@ -2955,6 +3018,7 @@ static void release_revisions_topo_walk_info(struct topo_walk_info *info); void release_revisions(struct rev_info *revs) { free_commit_list(revs->commits); + free_commit_list(revs->ancestry_path_bottoms); object_array_clear(&revs->pending); object_array_clear(&revs->boundary_commits); release_revisions_cmdline(&revs->cmdline); @@ -3755,51 +3819,6 @@ int rewrite_parents(struct rev_info *revs, struct commit *commit, return 0; } -static int commit_rewrite_person(struct strbuf *buf, const char *what, struct string_list *mailmap) -{ - char *person, *endp; - size_t len, namelen, maillen; - const char *name; - const char *mail; - struct ident_split ident; - - person = strstr(buf->buf, what); - if (!person) - return 0; - - person += strlen(what); - endp = strchr(person, '\n'); - if (!endp) - return 0; - - len = endp - person; - - if (split_ident_line(&ident, person, len)) - return 0; - - mail = ident.mail_begin; - maillen = ident.mail_end - ident.mail_begin; - name = ident.name_begin; - namelen = ident.name_end - ident.name_begin; - - if (map_user(mailmap, &mail, &maillen, &name, &namelen)) { - struct strbuf namemail = STRBUF_INIT; - - strbuf_addf(&namemail, "%.*s <%.*s>", - (int)namelen, name, (int)maillen, mail); - - strbuf_splice(buf, ident.name_begin - buf->buf, - ident.mail_end - ident.name_begin + 1, - namemail.buf, namemail.len); - - strbuf_release(&namemail); - - return 1; - } - - return 0; -} - static int commit_match(struct commit *commit, struct rev_info *opt) { int retval; @@ -3832,11 +3851,12 @@ static int commit_match(struct commit *commit, struct rev_info *opt) strbuf_addstr(&buf, message); if (opt->grep_filter.header_list && opt->mailmap) { + const char *commit_headers[] = { "author ", "committer ", NULL }; + if (!buf.len) strbuf_addstr(&buf, message); - commit_rewrite_person(&buf, "\nauthor ", opt->mailmap); - commit_rewrite_person(&buf, "\ncommitter ", opt->mailmap); + apply_mailmap_to_header(&buf, commit_headers, opt->mailmap); } /* Append "fake" message parts as needed */ |