unpack-objects: fix --strict handling

diff --git a/revision.c b/revision.c
index 8f0287fcc0ff4409afa1c16774cfb6086c48ae8f..63bf2c5c2dd314cfff2f54f76c4f5fd85b3b207e 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -46,6 +46,8 @@ void add_object(struct object *obj,
 
 static void mark_blob_uninteresting(struct blob *blob)
 {
+       if (!blob)
+               return;
        if (blob->object.flags & UNINTERESTING)
                return;
        blob->object.flags |= UNINTERESTING;
@@ -57,6 +59,8 @@ void mark_tree_uninteresting(struct tree *tree)
        struct name_entry entry;
        struct object *obj = &tree->object;
 
+       if (!tree)
+               return;
        if (obj->flags & UNINTERESTING)
                return;
        obj->flags |= UNINTERESTING;
@@ -67,10 +71,17 @@ void mark_tree_uninteresting(struct tree *tree)
 
        init_tree_desc(&desc, tree->buffer, tree->size);
        while (tree_entry(&desc, &entry)) {
-               if (S_ISDIR(entry.mode))
+               switch (object_type(entry.mode)) {
+               case OBJ_TREE:
                        mark_tree_uninteresting(lookup_tree(entry.sha1));
-               else
+                       break;
+               case OBJ_BLOB:
                        mark_blob_uninteresting(lookup_blob(entry.sha1));
+                       break;
+               default:
+                       /* Subproject commit - not in this repository */
+                       break;
+               }
        }
 
        /*
@@ -132,6 +143,18 @@ void add_pending_object(struct rev_info *revs, struct object *obj, const char *n
        add_pending_object_with_mode(revs, obj, name, S_IFINVALID);
 }
 
+void add_head_to_pending(struct rev_info *revs)
+{
+       unsigned char sha1[20];
+       struct object *obj;
+       if (get_sha1("HEAD", sha1))
+               return;
+       obj = parse_object(sha1);
+       if (!obj)
+               return;
+       add_pending_object(revs, obj, "HEAD");
+}
+
 static struct object *get_reference(struct rev_info *revs, const char *name, const unsigned char *sha1, unsigned int flags)
 {
        struct object *object;
@@ -154,6 +177,8 @@ static struct commit *handle_commit(struct rev_info *revs, struct object *object
                struct tag *tag = (struct tag *) object;
                if (revs->tag_objects && !(flags & UNINTERESTING))
                        add_pending_object(revs, object, tag->tag);
+               if (!tag->tagged)
+                       die("bad tag");
                object = parse_object(tag->tagged->sha1);
                if (!object)
                        die("bad object %s", sha1_to_hex(tag->tagged->sha1));
@@ -539,6 +564,12 @@ static void cherry_pick_list(struct commit_list *list, struct rev_info *revs)
        free_patch_ids(&ids);
 }
 
+static void add_to_list(struct commit_list **p, struct commit *commit, struct commit_list *n)
+{
+       p = &commit_list_insert(commit, p)->next;
+       *p = n;
+}
+
 static int limit_list(struct rev_info *revs)
 {
        struct commit_list *list = revs->commits;
@@ -560,9 +591,13 @@ static int limit_list(struct rev_info *revs)
                        return -1;
                if (obj->flags & UNINTERESTING) {
                        mark_parents_uninteresting(commit);
-                       if (everybody_uninteresting(list))
+                       if (everybody_uninteresting(list)) {
+                               if (revs->show_all)
+                                       add_to_list(p, commit, list);
                                break;
-                       continue;
+                       }
+                       if (!revs->show_all)
+                               continue;
                }
                if (revs->min_age != -1 && (commit->date > revs->min_age))
                        continue;
@@ -598,12 +633,13 @@ static int handle_one_ref(const char *path, const unsigned char *sha1, int flag,
        return 0;
 }
 
-static void handle_all(struct rev_info *revs, unsigned flags)
+static void handle_refs(struct rev_info *revs, unsigned flags,
+               int (*for_each)(each_ref_fn, void *))
 {
        struct all_refs_cb cb;
        cb.all_revs = revs;
        cb.all_flags = flags;
-       for_each_ref(handle_one_ref, &cb);
+       for_each(handle_one_ref, &cb);
 }
 
 static void handle_one_reflog_commit(unsigned char *sha1, void *cb_data)
@@ -666,6 +702,8 @@ static int add_parents_only(struct rev_info *revs, const char *arg, int flags)
                it = get_reference(revs, arg, sha1, 0);
                if (it->type != OBJ_TAG)
                        break;
+               if (!((struct tag*)it)->tagged)
+                       return 0;
                hashcpy(sha1, ((struct tag*)it)->tagged->sha1);
        }
        if (it->type != OBJ_COMMIT)
@@ -701,6 +739,10 @@ void init_revisions(struct rev_info *revs, const char *prefix)
        revs->commit_format = CMIT_FMT_DEFAULT;
 
        diff_setup(&revs->diffopt);
+       if (prefix && !revs->diffopt.prefix) {
+               revs->diffopt.prefix = prefix;
+               revs->diffopt.prefix_length = strlen(prefix);
+       }
 }
 
 static void add_pending_commit_list(struct rev_info *revs,
@@ -730,14 +772,9 @@ static void prepare_show_merge(struct rev_info *revs)
        add_pending_object(revs, &head->object, "HEAD");
        add_pending_object(revs, &other->object, "MERGE_HEAD");
        bases = get_merge_bases(head, other, 1);
-       while (bases) {
-               struct commit *it = bases->item;
-               struct commit_list *n = bases->next;
-               free(bases);
-               bases = n;
-               it->object.flags |= UNINTERESTING;
-               add_pending_object(revs, &it->object, "(merge-base)");
-       }
+       add_pending_commit_list(revs, bases, UNINTERESTING);
+       free_commit_list(bases);
+       head->object.flags |= SYMMETRIC_LEFT;
 
        if (!active_nr)
                read_cache();
@@ -756,6 +793,7 @@ static void prepare_show_merge(struct rev_info *revs)
                        i++;
        }
        revs->prune_data = prune;
+       revs->limited = 1;
 }
 
 int handle_revision_arg(const char *arg, struct rev_info *revs,
@@ -905,6 +943,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
        int left = 1;
        int all_match = 0;
        int regflags = 0;
+       int fixed = 0;
 
        /* First, search for "--" */
        seen_dashdash = 0;
@@ -973,7 +1012,19 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                                continue;
                        }
                        if (!strcmp(arg, "--all")) {
-                               handle_all(revs, flags);
+                               handle_refs(revs, flags, for_each_ref);
+                               continue;
+                       }
+                       if (!strcmp(arg, "--branches")) {
+                               handle_refs(revs, flags, for_each_branch_ref);
+                               continue;
+                       }
+                       if (!strcmp(arg, "--tags")) {
+                               handle_refs(revs, flags, for_each_tag_ref);
+                               continue;
+                       }
+                       if (!strcmp(arg, "--remotes")) {
+                               handle_refs(revs, flags, for_each_remote_ref);
                                continue;
                        }
                        if (!strcmp(arg, "--first-parent")) {
@@ -1036,6 +1087,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                                revs->dense = 0;
                                continue;
                        }
+                       if (!strcmp(arg, "--show-all")) {
+                               revs->show_all = 1;
+                               continue;
+                       }
                        if (!strcmp(arg, "--remove-empty")) {
                                revs->remove_empty_trees = 1;
                                continue;
@@ -1197,6 +1252,11 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                                regflags |= REG_ICASE;
                                continue;
                        }
+                       if (!strcmp(arg, "--fixed-strings") ||
+                           !strcmp(arg, "-F")) {
+                               fixed = 1;
+                               continue;
+                       }
                        if (!strcmp(arg, "--all-match")) {
                                all_match = 1;
                                continue;
@@ -1252,8 +1312,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                }
        }
 
-       if (revs->grep_filter)
+       if (revs->grep_filter) {
                revs->grep_filter->regflags |= regflags;
+               revs->grep_filter->fixed = fixed;
+       }
 
        if (show_merge)
                prepare_show_merge(revs);
@@ -1271,8 +1333,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
        if (revs->diffopt.output_format & ~DIFF_FORMAT_NO_OUTPUT)
                revs->diff = 1;
 
-       /* Pickaxe and rename following needs diffs */
-       if (revs->diffopt.pickaxe || DIFF_OPT_TST(&revs->diffopt, FOLLOW_RENAMES))
+       /* Pickaxe, diff-filter and rename following need diffs */
+       if (revs->diffopt.pickaxe ||
+           revs->diffopt.filter ||
+           DIFF_OPT_TST(&revs->diffopt, FOLLOW_RENAMES))
                revs->diff = 1;
 
        if (revs->topo_order)
@@ -1417,6 +1481,8 @@ enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit)
                return commit_ignore;
        if (revs->unpacked && has_sha1_pack(commit->object.sha1, revs->ignore_packed))
                return commit_ignore;
+       if (revs->show_all)
+               return commit_show;
        if (commit->object.flags & UNINTERESTING)
                return commit_ignore;
        if (revs->min_age != -1 && (commit->date > revs->min_age))