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Diffstat (limited to 'builtin/blame.c')
-rw-r--r--builtin/blame.c125
1 files changed, 64 insertions, 61 deletions
diff --git a/builtin/blame.c b/builtin/blame.c
index 079dcd3407..9047b6ef4c 100644
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -22,6 +22,7 @@
#include "utf8.h"
#include "userdiff.h"
#include "line-range.h"
+#include "line-log.h"
static char blame_usage[] = N_("git blame [options] [rev-opts] [rev] [--] file");
@@ -408,7 +409,9 @@ static struct origin *find_origin(struct scoreboard *sb,
paths[0] = origin->path;
paths[1] = NULL;
- diff_tree_setup_paths(paths, &diff_opts);
+ parse_pathspec(&diff_opts.pathspec,
+ PATHSPEC_ALL_MAGIC & ~PATHSPEC_LITERAL,
+ PATHSPEC_LITERAL_PATH, "", paths);
diff_setup_done(&diff_opts);
if (is_null_sha1(origin->commit->object.sha1))
@@ -458,7 +461,7 @@ static struct origin *find_origin(struct scoreboard *sb,
}
}
diff_flush(&diff_opts);
- diff_tree_release_paths(&diff_opts);
+ free_pathspec(&diff_opts.pathspec);
if (porigin) {
/*
* Create a freestanding copy that is not part of
@@ -486,15 +489,12 @@ static struct origin *find_rename(struct scoreboard *sb,
struct origin *porigin = NULL;
struct diff_options diff_opts;
int i;
- const char *paths[2];
diff_setup(&diff_opts);
DIFF_OPT_SET(&diff_opts, RECURSIVE);
diff_opts.detect_rename = DIFF_DETECT_RENAME;
diff_opts.output_format = DIFF_FORMAT_NO_OUTPUT;
diff_opts.single_follow = origin->path;
- paths[0] = NULL;
- diff_tree_setup_paths(paths, &diff_opts);
diff_setup_done(&diff_opts);
if (is_null_sha1(origin->commit->object.sha1))
@@ -516,7 +516,7 @@ static struct origin *find_rename(struct scoreboard *sb,
}
}
diff_flush(&diff_opts);
- diff_tree_release_paths(&diff_opts);
+ free_pathspec(&diff_opts.pathspec);
return porigin;
}
@@ -1064,7 +1064,6 @@ static int find_copy_in_parent(struct scoreboard *sb,
int opt)
{
struct diff_options diff_opts;
- const char *paths[1];
int i, j;
int retval;
struct blame_list *blame_list;
@@ -1078,8 +1077,6 @@ static int find_copy_in_parent(struct scoreboard *sb,
DIFF_OPT_SET(&diff_opts, RECURSIVE);
diff_opts.output_format = DIFF_FORMAT_NO_OUTPUT;
- paths[0] = NULL;
- diff_tree_setup_paths(paths, &diff_opts);
diff_setup_done(&diff_opts);
/* Try "find copies harder" on new path if requested;
@@ -1162,7 +1159,7 @@ static int find_copy_in_parent(struct scoreboard *sb,
}
reset_scanned_flag(sb);
diff_flush(&diff_opts);
- diff_tree_release_paths(&diff_opts);
+ free_pathspec(&diff_opts.pathspec);
return retval;
}
@@ -1807,17 +1804,17 @@ static int prepare_lines(struct scoreboard *sb)
static int read_ancestry(const char *graft_file)
{
FILE *fp = fopen(graft_file, "r");
- char buf[1024];
+ struct strbuf buf = STRBUF_INIT;
if (!fp)
return -1;
- while (fgets(buf, sizeof(buf), fp)) {
+ while (!strbuf_getwholeline(&buf, fp, '\n')) {
/* The format is just "Commit Parent1 Parent2 ...\n" */
- int len = strlen(buf);
- struct commit_graft *graft = read_graft_line(buf, len);
+ struct commit_graft *graft = read_graft_line(buf.buf, buf.len);
if (graft)
register_commit_graft(graft, 0);
}
fclose(fp);
+ strbuf_release(&buf);
return 0;
}
@@ -1937,18 +1934,6 @@ static const char *add_prefix(const char *prefix, const char *path)
return prefix_path(prefix, prefix ? strlen(prefix) : 0, path);
}
-/*
- * Parsing of -L option
- */
-static void prepare_blame_range(struct scoreboard *sb,
- const char *bottomtop,
- long lno,
- long *bottom, long *top)
-{
- if (parse_range_arg(bottomtop, nth_line_cb, sb, lno, bottom, top, sb->path))
- usage(blame_usage);
-}
-
static int git_blame_config(const char *var, const char *value, void *cb)
{
if (!strcmp(var, "blame.showroot")) {
@@ -2245,38 +2230,27 @@ static int blame_move_callback(const struct option *option, const char *arg, int
return 0;
}
-static int blame_bottomtop_callback(const struct option *option, const char *arg, int unset)
-{
- const char **bottomtop = option->value;
- if (!arg)
- return -1;
- if (*bottomtop)
- die("More than one '-L n,m' option given");
- *bottomtop = arg;
- return 0;
-}
-
int cmd_blame(int argc, const char **argv, const char *prefix)
{
struct rev_info revs;
const char *path;
struct scoreboard sb;
struct origin *o;
- struct blame_entry *ent;
- long dashdash_pos, bottom, top, lno;
+ struct blame_entry *ent = NULL;
+ long dashdash_pos, lno;
const char *final_commit_name = NULL;
enum object_type type;
- static const char *bottomtop = NULL;
+ static struct string_list range_list;
static int output_option = 0, opt = 0;
static int show_stats = 0;
static const char *revs_file = NULL;
static const char *contents_from = NULL;
static const struct option options[] = {
- OPT_BOOLEAN(0, "incremental", &incremental, N_("Show blame entries as we find them, incrementally")),
- OPT_BOOLEAN('b', NULL, &blank_boundary, N_("Show blank SHA-1 for boundary commits (Default: off)")),
- OPT_BOOLEAN(0, "root", &show_root, N_("Do not treat root commits as boundaries (Default: off)")),
- OPT_BOOLEAN(0, "show-stats", &show_stats, N_("Show work cost statistics")),
+ OPT_BOOL(0, "incremental", &incremental, N_("Show blame entries as we find them, incrementally")),
+ OPT_BOOL('b', NULL, &blank_boundary, N_("Show blank SHA-1 for boundary commits (Default: off)")),
+ OPT_BOOL(0, "root", &show_root, N_("Do not treat root commits as boundaries (Default: off)")),
+ OPT_BOOL(0, "show-stats", &show_stats, N_("Show work cost statistics")),
OPT_BIT(0, "score-debug", &output_option, N_("Show output score for blame entries"), OUTPUT_SHOW_SCORE),
OPT_BIT('f', "show-name", &output_option, N_("Show original filename (Default: auto)"), OUTPUT_SHOW_NAME),
OPT_BIT('n', "show-number", &output_option, N_("Show original linenumber (Default: off)"), OUTPUT_SHOW_NUMBER),
@@ -2293,13 +2267,16 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
OPT_STRING(0, "contents", &contents_from, N_("file"), N_("Use <file>'s contents as the final image")),
{ OPTION_CALLBACK, 'C', NULL, &opt, N_("score"), N_("Find line copies within and across files"), PARSE_OPT_OPTARG, blame_copy_callback },
{ OPTION_CALLBACK, 'M', NULL, &opt, N_("score"), N_("Find line movements within and across files"), PARSE_OPT_OPTARG, blame_move_callback },
- OPT_CALLBACK('L', NULL, &bottomtop, N_("n,m"), N_("Process only line range n,m, counting from 1"), blame_bottomtop_callback),
+ OPT_STRING_LIST('L', NULL, &range_list, N_("n,m"), N_("Process only line range n,m, counting from 1")),
OPT__ABBREV(&abbrev),
OPT_END()
};
struct parse_opt_ctx_t ctx;
int cmd_is_annotate = !strcmp(argv[0], "annotate");
+ struct range_set ranges;
+ unsigned int range_i;
+ long anchor;
git_config(git_blame_config, NULL);
init_revisions(&revs, NULL);
@@ -2492,22 +2469,48 @@ parse_done:
num_read_blob++;
lno = prepare_lines(&sb);
- bottom = top = 0;
- if (bottomtop)
- prepare_blame_range(&sb, bottomtop, lno, &bottom, &top);
- if (bottom < 1)
- bottom = 1;
- if (top < 1)
- top = lno;
- bottom--;
- if (lno < top || lno < bottom)
- die("file %s has only %lu lines", path, lno);
-
- ent = xcalloc(1, sizeof(*ent));
- ent->lno = bottom;
- ent->num_lines = top - bottom;
- ent->suspect = o;
- ent->s_lno = bottom;
+ if (lno && !range_list.nr)
+ string_list_append(&range_list, xstrdup("1"));
+
+ anchor = 1;
+ range_set_init(&ranges, range_list.nr);
+ for (range_i = 0; range_i < range_list.nr; ++range_i) {
+ long bottom, top;
+ if (parse_range_arg(range_list.items[range_i].string,
+ nth_line_cb, &sb, lno, anchor,
+ &bottom, &top, sb.path))
+ usage(blame_usage);
+ if (lno < top || ((lno || bottom) && lno < bottom))
+ die("file %s has only %lu lines", path, lno);
+ if (bottom < 1)
+ bottom = 1;
+ if (top < 1)
+ top = lno;
+ bottom--;
+ range_set_append_unsafe(&ranges, bottom, top);
+ anchor = top + 1;
+ }
+ sort_and_merge_range_set(&ranges);
+
+ for (range_i = ranges.nr; range_i > 0; --range_i) {
+ const struct range *r = &ranges.ranges[range_i - 1];
+ long bottom = r->start;
+ long top = r->end;
+ struct blame_entry *next = ent;
+ ent = xcalloc(1, sizeof(*ent));
+ ent->lno = bottom;
+ ent->num_lines = top - bottom;
+ ent->suspect = o;
+ ent->s_lno = bottom;
+ ent->next = next;
+ if (next)
+ next->prev = ent;
+ origin_incref(o);
+ }
+ origin_decref(o);
+
+ range_set_release(&ranges);
+ string_list_clear(&range_list, 0);
sb.ent = ent;
sb.path = path;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 08:34:12 +0000