X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=revision.c;h=0a29b53673e0e44547dfe91aaede5f312530a0ec;hb=cfabd6eee1745cfec58cfcb794ce8847e43b888a;hp=49bd29225bd3be8b06cf4316e06761d5d3d6c011;hpb=da94faf671c6b7c4db1ae07137bd93e31e232b4c;p=git.git

diff --git a/revision.c b/revision.c
index 49bd29225..0a29b5367 100644
--- a/revision.c
+++ b/revision.c
@@ -318,7 +318,10 @@ static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit)
 	while ((parent = *pp) != NULL) {
 		struct commit *p = parent->item;
 
-		parse_commit(p);
+		if (parse_commit(p) < 0)
+			die("cannot simplify commit %s (because of %s)",
+			    sha1_to_hex(commit->object.sha1),
+			    sha1_to_hex(p->object.sha1));
 		switch (rev_compare_tree(revs, p->tree, commit->tree)) {
 		case REV_TREE_SAME:
 			tree_same = 1;
@@ -347,7 +350,10 @@ static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit)
 				 * IOW, we pretend this parent is a
 				 * "root" commit.
 				 */
-				parse_commit(p);
+				if (parse_commit(p) < 0)
+					die("cannot simplify commit %s (invalid %s)",
+					    sha1_to_hex(commit->object.sha1),
+					    sha1_to_hex(p->object.sha1));
 				p->parents = NULL;
 			}
 		/* fallthrough */
@@ -362,14 +368,14 @@ static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit)
 		commit->object.flags |= TREECHANGE;
 }
 
-static void add_parents_to_list(struct rev_info *revs, struct commit *commit, struct commit_list **list)
+static int add_parents_to_list(struct rev_info *revs, struct commit *commit, struct commit_list **list)
 {
 	struct commit_list *parent = commit->parents;
 	unsigned left_flag;
 	int add, rest;
 
 	if (commit->object.flags & ADDED)
-		return;
+		return 0;
 	commit->object.flags |= ADDED;
 
 	/*
@@ -388,7 +394,8 @@ static void add_parents_to_list(struct rev_info *revs, struct commit *commit, st
 		while (parent) {
 			struct commit *p = parent->item;
 			parent = parent->next;
-			parse_commit(p);
+			if (parse_commit(p) < 0)
+				return -1;
 			p->object.flags |= UNINTERESTING;
 			if (p->parents)
 				mark_parents_uninteresting(p);
@@ -397,7 +404,7 @@ static void add_parents_to_list(struct rev_info *revs, struct commit *commit, st
 			p->object.flags |= SEEN;
 			insert_by_date(p, list);
 		}
-		return;
+		return 0;
 	}
 
 	/*
@@ -409,7 +416,7 @@ static void add_parents_to_list(struct rev_info *revs, struct commit *commit, st
 		revs->prune_fn(revs, commit);
 
 	if (revs->no_walk)
-		return;
+		return 0;
 
 	left_flag = (commit->object.flags & SYMMETRIC_LEFT);
 
@@ -418,7 +425,8 @@ static void add_parents_to_list(struct rev_info *revs, struct commit *commit, st
 		struct commit *p = parent->item;
 
 		parent = parent->next;
-		parse_commit(p);
+		if (parse_commit(p) < 0)
+			return -1;
 		p->object.flags |= left_flag;
 		if (p->object.flags & SEEN)
 			continue;
@@ -426,6 +434,7 @@ static void add_parents_to_list(struct rev_info *revs, struct commit *commit, st
 		if (add)
 			insert_by_date(p, list);
 	}
+	return 0;
 }
 
 static void cherry_pick_list(struct commit_list *list)
@@ -508,7 +517,7 @@ static void cherry_pick_list(struct commit_list *list)
 	free_patch_ids(&ids);
 }
 
-static void limit_list(struct rev_info *revs)
+static int limit_list(struct rev_info *revs)
 {
 	struct commit_list *list = revs->commits;
 	struct commit_list *newlist = NULL;
@@ -524,7 +533,8 @@ static void limit_list(struct rev_info *revs)
 
 		if (revs->max_age != -1 && (commit->date < revs->max_age))
 			obj->flags |= UNINTERESTING;
-		add_parents_to_list(revs, commit, &list);
+		if (add_parents_to_list(revs, commit, &list) < 0)
+			return -1;
 		if (obj->flags & UNINTERESTING) {
 			mark_parents_uninteresting(commit);
 			if (everybody_uninteresting(list))
@@ -539,6 +549,7 @@ static void limit_list(struct rev_info *revs)
 		cherry_pick_list(newlist);
 
 	revs->commits = newlist;
+	return 0;
 }
 
 struct all_refs_cb {
@@ -870,6 +881,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 	const char **unrecognized = argv + 1;
 	int left = 1;
 	int all_match = 0;
+	int regflags = 0;
 
 	/* First, search for "--" */
 	seen_dashdash = 0;
@@ -1111,7 +1123,18 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 				continue;
 			}
 			if (!strcmp(arg, "--relative-date")) {
-				revs->relative_date = 1;
+				revs->date_mode = DATE_RELATIVE;
+				continue;
+			}
+			if (!strncmp(arg, "--date=", 7)) {
+				if (!strcmp(arg + 7, "relative"))
+					revs->date_mode = DATE_RELATIVE;
+				else if (!strcmp(arg + 7, "local"))
+					revs->date_mode = DATE_LOCAL;
+				else if (!strcmp(arg + 7, "default"))
+					revs->date_mode = DATE_NORMAL;
+				else
+					die("unknown date format %s", arg);
 				continue;
 			}
 
@@ -1130,6 +1153,14 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 				add_message_grep(revs, arg+7);
 				continue;
 			}
+			if (!prefixcmp(arg, "--extended-regexp")) {
+				regflags |= REG_EXTENDED;
+				continue;
+			}
+			if (!prefixcmp(arg, "--regexp-ignore-case")) {
+				regflags |= REG_ICASE;
+				continue;
+			}
 			if (!strcmp(arg, "--all-match")) {
 				all_match = 1;
 				continue;
@@ -1178,6 +1209,9 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 		}
 	}
 
+	if (revs->grep_filter)
+		revs->grep_filter->regflags |= regflags;
+
 	if (show_merge)
 		prepare_show_merge(revs);
 	if (def && !revs->pending.nr) {
@@ -1216,7 +1250,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 	return left;
 }
 
-void prepare_revision_walk(struct rev_info *revs)
+int prepare_revision_walk(struct rev_info *revs)
 {
 	int nr = revs->pending.nr;
 	struct object_array_entry *e, *list;
@@ -1238,42 +1272,57 @@ void prepare_revision_walk(struct rev_info *revs)
 	free(list);
 
 	if (revs->no_walk)
-		return;
+		return 0;
 	if (revs->limited)
-		limit_list(revs);
+		if (limit_list(revs) < 0)
+			return -1;
 	if (revs->topo_order)
 		sort_in_topological_order_fn(&revs->commits, revs->lifo,
 					     revs->topo_setter,
 					     revs->topo_getter);
+	return 0;
 }
 
-static int rewrite_one(struct rev_info *revs, struct commit **pp)
+enum rewrite_result {
+	rewrite_one_ok,
+	rewrite_one_noparents,
+	rewrite_one_error,
+};
+
+static enum rewrite_result rewrite_one(struct rev_info *revs, struct commit **pp)
 {
 	for (;;) {
 		struct commit *p = *pp;
 		if (!revs->limited)
-			add_parents_to_list(revs, p, &revs->commits);
+			if (add_parents_to_list(revs, p, &revs->commits) < 0)
+				return rewrite_one_error;
 		if (p->parents && p->parents->next)
-			return 0;
+			return rewrite_one_ok;
 		if (p->object.flags & (TREECHANGE | UNINTERESTING))
-			return 0;
+			return rewrite_one_ok;
 		if (!p->parents)
-			return -1;
+			return rewrite_one_noparents;
 		*pp = p->parents->item;
 	}
 }
 
-static void rewrite_parents(struct rev_info *revs, struct commit *commit)
+static int rewrite_parents(struct rev_info *revs, struct commit *commit)
 {
 	struct commit_list **pp = &commit->parents;
 	while (*pp) {
 		struct commit_list *parent = *pp;
-		if (rewrite_one(revs, &parent->item) < 0) {
+		switch (rewrite_one(revs, &parent->item)) {
+		case rewrite_one_ok:
+			break;
+		case rewrite_one_noparents:
 			*pp = parent->next;
 			continue;
+		case rewrite_one_error:
+			return -1;
 		}
 		pp = &parent->next;
 	}
+	return 0;
 }
 
 static int commit_match(struct commit *commit, struct rev_info *opt)
@@ -1309,7 +1358,8 @@ static struct commit *get_revision_1(struct rev_info *revs)
 			if (revs->max_age != -1 &&
 			    (commit->date < revs->max_age))
 				continue;
-			add_parents_to_list(revs, commit, &revs->commits);
+			if (add_parents_to_list(revs, commit, &revs->commits) < 0)
+				return NULL;
 		}
 		if (commit->object.flags & SHOWN)
 			continue;
@@ -1337,8 +1387,8 @@ static struct commit *get_revision_1(struct rev_info *revs)
 				if (!commit->parents || !commit->parents->next)
 					continue;
 			}
-			if (revs->parents)
-				rewrite_parents(revs, commit);
+			if (revs->parents && rewrite_parents(revs, commit) < 0)
+				return NULL;
 		}
 		return commit;
 	} while (revs->commits);