#define PICKAXE_BLAME_COPY 02
#define PICKAXE_BLAME_COPY_HARDER 04
+/*
+ * blame for a blame_entry with score lower than these thresholds
+ * is not passed to the parent using move/copy logic.
+ */
+static unsigned blame_move_score;
+static unsigned blame_copy_score;
+#define BLAME_DEFAULT_MOVE_SCORE 20
+#define BLAME_DEFAULT_COPY_SCORE 40
+
/* bits #0..7 in revision.h, #8..11 used for merge_bases() in commit.c */
#define METAINFO_SHOWN (1u<<12)
#define MORE_THAN_ONE_PATH (1u<<13)
if (ent->suspect != target || ent->guilty)
continue;
find_copy_in_blob(sb, ent, parent, split, &file_p);
- if (split[1].suspect)
+ if (split[1].suspect &&
+ blame_move_score < ent_score(sb, &split[1]))
split_blame(sb, split, ent);
}
free(blob_p);
find_copy_in_blob(sb, ent, norigin, this, &file_p);
copy_split_if_better(sb, split, this);
}
- if (split[1].suspect)
+ if (split[1].suspect &&
+ blame_copy_score < ent_score(sb, &split[1]))
split_blame(sb, split, ent);
}
diff_flush(&diff_opts);
return !lstat(path, &st);
}
+static unsigned parse_score(const char *arg)
+{
+ char *end;
+ unsigned long score = strtoul(arg, &end, 10);
+ if (*end)
+ return 0;
+ return score;
+}
+
int cmd_pickaxe(int argc, const char **argv, const char *prefix)
{
struct rev_info revs;
output_option |= OUTPUT_LONG_OBJECT_NAME;
else if (!strcmp("-S", arg) && ++i < argc)
revs_file = argv[i];
- else if (!strcmp("-M", arg))
+ else if (!strncmp("-M", arg, 2)) {
opt |= PICKAXE_BLAME_MOVE;
- else if (!strcmp("-C", arg)) {
+ blame_move_score = parse_score(arg+2);
+ }
+ else if (!strncmp("-C", arg, 2)) {
if (opt & PICKAXE_BLAME_COPY)
opt |= PICKAXE_BLAME_COPY_HARDER;
opt |= PICKAXE_BLAME_COPY | PICKAXE_BLAME_MOVE;
+ blame_copy_score = parse_score(arg+2);
}
else if (!strcmp("-L", arg) && ++i < argc) {
char *term;
argv[unk++] = arg;
}
+ if (!blame_move_score)
+ blame_move_score = BLAME_DEFAULT_MOVE_SCORE;
+ if (!blame_copy_score)
+ blame_copy_score = BLAME_DEFAULT_COPY_SCORE;
+
/* We have collected options unknown to us in argv[1..unk]
* which are to be passed to revision machinery if we are
* going to do the "bottom" procesing.