Merge branch 'jk/sane-relative-time'

diff --git a/revision.c b/revision.c
index 56b09eb315cc96cb2611fe8497299b293c4783e3..286e416b757fa8df731330992fca96773082f75d 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -11,6 +11,7 @@
 #include "reflog-walk.h"
 #include "patch-ids.h"
 #include "decorate.h"
+#include "log-tree.h"
 
 volatile show_early_output_fn_t show_early_output;
 
@@ -182,8 +183,11 @@ static struct commit *handle_commit(struct rev_info *revs, struct object *object
                if (!tag->tagged)
                        die("bad tag");
                object = parse_object(tag->tagged->sha1);
-               if (!object)
+               if (!object) {
+                       if (flags & UNINTERESTING)
+                               return NULL;
                        die("bad object %s", sha1_to_hex(tag->tagged->sha1));
+               }
        }
 
        /*
@@ -301,6 +305,24 @@ static int rev_compare_tree(struct rev_info *revs, struct commit *parent, struct
 
        if (!t1)
                return REV_TREE_NEW;
+
+       if (revs->simplify_by_decoration) {
+               /*
+                * If we are simplifying by decoration, then the commit
+                * is worth showing if it has a tag pointing at it.
+                */
+               if (lookup_decoration(&name_decoration, &commit->object))
+                       return REV_TREE_DIFFERENT;
+               /*
+                * A commit that is not pointed by a tag is uninteresting
+                * if we are not limited by path.  This means that you will
+                * see the usual "commits that touch the paths" plus any
+                * tagged commit by specifying both --simplify-by-decoration
+                * and pathspec.
+                */
+               if (!revs->prune_data)
+                       return REV_TREE_SAME;
+       }
        if (!t2)
                return REV_TREE_DIFFERENT;
        tree_difference = REV_TREE_SAME;
@@ -460,9 +482,10 @@ static int add_parents_to_list(struct rev_info *revs, struct commit *commit,
                while (parent) {
                        struct commit *p = parent->item;
                        parent = parent->next;
+                       if (p)
+                               p->object.flags |= UNINTERESTING;
                        if (parse_commit(p) < 0)
-                               return -1;
-                       p->object.flags |= UNINTERESTING;
+                               continue;
                        if (p->parents)
                                mark_parents_uninteresting(p);
                        if (p->object.flags & SEEN)
@@ -976,7 +999,7 @@ static void add_ignore_packed(struct rev_info *revs, const char *name)
        int num = ++revs->num_ignore_packed;
 
        revs->ignore_packed = xrealloc(revs->ignore_packed,
-                                      sizeof(const char **) * (num + 1));
+                                      sizeof(const char *) * (num + 1));
        revs->ignore_packed[num-1] = name;
        revs->ignore_packed[num] = NULL;
 }
@@ -1041,6 +1064,14 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
                revs->rewrite_parents = 1;
                revs->simplify_history = 0;
                revs->limited = 1;
+       } else if (!strcmp(arg, "--simplify-by-decoration")) {
+               revs->simplify_merges = 1;
+               revs->rewrite_parents = 1;
+               revs->simplify_history = 0;
+               revs->simplify_by_decoration = 1;
+               revs->limited = 1;
+               revs->prune = 1;
+               load_ref_decorations();
        } else if (!strcmp(arg, "--date-order")) {
                revs->lifo = 0;
                revs->topo_order = 1;
@@ -1236,6 +1267,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 
                        if (!strcmp(arg, "--all")) {
                                handle_refs(revs, flags, for_each_ref);
+                               handle_refs(revs, flags, head_ref);
                                continue;
                        }
                        if (!strcmp(arg, "--branches")) {
@@ -1706,14 +1738,16 @@ static struct commit *get_revision_1(struct rev_info *revs)
                            (commit->date < revs->max_age))
                                continue;
                        if (add_parents_to_list(revs, commit, &revs->commits, NULL) < 0)
-                               return NULL;
+                               die("Failed to traverse parents of commit %s",
+                                   sha1_to_hex(commit->object.sha1));
                }
 
                switch (simplify_commit(revs, commit)) {
                case commit_ignore:
                        continue;
                case commit_error:
-                       return NULL;
+                       die("Failed to simplify parents of commit %s",
+                           sha1_to_hex(commit->object.sha1));
                default:
                        return commit;
                }