Code

revision traversal: show full history with merge simplification
[git.git] / builtin-blame.c
index 7ac1a37671c3bf6e5a6e52d5b9d1979e99991239..4ea343189fdad035318e94ce0c6c2ec16b62ba7f 100644 (file)
 #include "quote.h"
 #include "xdiff-interface.h"
 #include "cache-tree.h"
-#include "path-list.h"
+#include "string-list.h"
 #include "mailmap.h"
 #include "parse-options.h"
 
-static char blame_usage[] = "git-blame [options] [rev-opts] [rev] [--] file";
+static char blame_usage[] = "git blame [options] [rev-opts] [rev] [--] file";
 
 static const char *blame_opt_usage[] = {
        blame_usage,
@@ -40,7 +40,7 @@ static int blank_boundary;
 static int incremental;
 static int cmd_is_annotate;
 static int xdl_opts = XDF_NEED_MINIMAL;
-static struct path_list mailmap;
+static struct string_list mailmap;
 
 #ifndef DEBUG
 #define DEBUG 0
@@ -1012,7 +1012,8 @@ static int find_move_in_parent(struct scoreboard *sb,
        while (made_progress) {
                made_progress = 0;
                for (e = sb->ent; e; e = e->next) {
-                       if (e->guilty || !same_suspect(e->suspect, target))
+                       if (e->guilty || !same_suspect(e->suspect, target) ||
+                           ent_score(sb, e) < blame_move_score)
                                continue;
                        find_copy_in_blob(sb, e, parent, split, &file_p);
                        if (split[1].suspect &&
@@ -1037,6 +1038,7 @@ struct blame_list {
  */
 static struct blame_list *setup_blame_list(struct scoreboard *sb,
                                           struct origin *target,
+                                          int min_score,
                                           int *num_ents_p)
 {
        struct blame_entry *e;
@@ -1044,12 +1046,16 @@ static struct blame_list *setup_blame_list(struct scoreboard *sb,
        struct blame_list *blame_list = NULL;
 
        for (e = sb->ent, num_ents = 0; e; e = e->next)
-               if (!e->scanned && !e->guilty && same_suspect(e->suspect, target))
+               if (!e->scanned && !e->guilty &&
+                   same_suspect(e->suspect, target) &&
+                   min_score < ent_score(sb, e))
                        num_ents++;
        if (num_ents) {
                blame_list = xcalloc(num_ents, sizeof(struct blame_list));
                for (e = sb->ent, i = 0; e; e = e->next)
-                       if (!e->scanned && !e->guilty && same_suspect(e->suspect, target))
+                       if (!e->scanned && !e->guilty &&
+                           same_suspect(e->suspect, target) &&
+                           min_score < ent_score(sb, e))
                                blame_list[i++].ent = e;
        }
        *num_ents_p = num_ents;
@@ -1084,7 +1090,7 @@ static int find_copy_in_parent(struct scoreboard *sb,
        struct blame_list *blame_list;
        int num_ents;
 
-       blame_list = setup_blame_list(sb, target, &num_ents);
+       blame_list = setup_blame_list(sb, target, blame_copy_score, &num_ents);
        if (!blame_list)
                return 1; /* nothing remains for this target */
 
@@ -1166,7 +1172,7 @@ static int find_copy_in_parent(struct scoreboard *sb,
 
                if (!made_progress)
                        break;
-               blame_list = setup_blame_list(sb, target, &num_ents);
+               blame_list = setup_blame_list(sb, target, blame_copy_score, &num_ents);
                if (!blame_list) {
                        retval = 1;
                        break;
@@ -1920,7 +1926,7 @@ static void sanity_check_refcnt(struct scoreboard *sb)
  * Used for the command line parsing; check if the path exists
  * in the working tree.
  */
-static int has_path_in_work_tree(const char *path)
+static int has_string_in_work_tree(const char *path)
 {
        struct stat st;
        return !lstat(path, &st);
@@ -2340,6 +2346,10 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
 parse_done:
        argc = parse_options_end(&ctx);
 
+       if (DIFF_OPT_TST(&revs.diffopt, FIND_COPIES_HARDER))
+               opt |= (PICKAXE_BLAME_COPY | PICKAXE_BLAME_MOVE |
+                       PICKAXE_BLAME_COPY_HARDER);
+
        if (!blame_move_score)
                blame_move_score = BLAME_DEFAULT_MOVE_SCORE;
        if (!blame_copy_score)
@@ -2384,14 +2394,14 @@ parse_done:
                if (argc < 2)
                        usage_with_options(blame_opt_usage, options);
                path = add_prefix(prefix, argv[argc - 1]);
-               if (argc == 3 && !has_path_in_work_tree(path)) { /* (2b) */
+               if (argc == 3 && !has_string_in_work_tree(path)) { /* (2b) */
                        path = add_prefix(prefix, argv[1]);
                        argv[1] = argv[2];
                }
                argv[argc - 1] = "--";
 
                setup_work_tree();
-               if (!has_path_in_work_tree(path))
+               if (!has_string_in_work_tree(path))
                        die("cannot stat path %s: %s", path, strerror(errno));
        }