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-rw-r--r--builtin/blame.c152
1 files changed, 118 insertions, 34 deletions
diff --git a/builtin/blame.c b/builtin/blame.c
index 21cde57e71..6f7e32411a 100644
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -26,8 +26,8 @@
#include "progress.h"
#include "object-store.h"
#include "blame.h"
-#include "string-list.h"
#include "refs.h"
+#include "tag.h"
static char blame_usage[] = N_("git blame [<options>] [<rev-opts>] [<rev>] [--] <file>");
@@ -53,14 +53,17 @@ static int no_whole_file_rename;
static int show_progress;
static char repeated_meta_color[COLOR_MAXLEN];
static int coloring_mode;
+static struct string_list ignore_revs_file_list = STRING_LIST_INIT_NODUP;
+static int mark_unblamable_lines;
+static int mark_ignored_lines;
static struct date_mode blame_date_mode = { DATE_ISO8601 };
static size_t blame_date_width;
static struct string_list mailmap = STRING_LIST_INIT_NODUP;
-#ifndef DEBUG
-#define DEBUG 0
+#ifndef DEBUG_BLAME
+#define DEBUG_BLAME 0
#endif
static unsigned blame_move_score;
@@ -317,18 +320,18 @@ static const char *format_time(timestamp_t time, const char *tz_str,
return time_buf.buf;
}
-#define OUTPUT_ANNOTATE_COMPAT 001
-#define OUTPUT_LONG_OBJECT_NAME 002
-#define OUTPUT_RAW_TIMESTAMP 004
-#define OUTPUT_PORCELAIN 010
-#define OUTPUT_SHOW_NAME 020
-#define OUTPUT_SHOW_NUMBER 040
-#define OUTPUT_SHOW_SCORE 0100
-#define OUTPUT_NO_AUTHOR 0200
-#define OUTPUT_SHOW_EMAIL 0400
-#define OUTPUT_LINE_PORCELAIN 01000
-#define OUTPUT_COLOR_LINE 02000
-#define OUTPUT_SHOW_AGE_WITH_COLOR 04000
+#define OUTPUT_ANNOTATE_COMPAT (1U<<0)
+#define OUTPUT_LONG_OBJECT_NAME (1U<<1)
+#define OUTPUT_RAW_TIMESTAMP (1U<<2)
+#define OUTPUT_PORCELAIN (1U<<3)
+#define OUTPUT_SHOW_NAME (1U<<4)
+#define OUTPUT_SHOW_NUMBER (1U<<5)
+#define OUTPUT_SHOW_SCORE (1U<<6)
+#define OUTPUT_NO_AUTHOR (1U<<7)
+#define OUTPUT_SHOW_EMAIL (1U<<8)
+#define OUTPUT_LINE_PORCELAIN (1U<<9)
+#define OUTPUT_COLOR_LINE (1U<<10)
+#define OUTPUT_SHOW_AGE_WITH_COLOR (1U<<11)
static void emit_porcelain_details(struct blame_origin *suspect, int repeat)
{
@@ -457,7 +460,7 @@ static void emit_other(struct blame_scoreboard *sb, struct blame_entry *ent, int
for (cnt = 0; cnt < ent->num_lines; cnt++) {
char ch;
- int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? GIT_SHA1_HEXSZ : abbrev;
+ int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? the_hash_algo->hexsz : abbrev;
if (opt & OUTPUT_COLOR_LINE) {
if (cnt > 0) {
@@ -480,6 +483,14 @@ static void emit_other(struct blame_scoreboard *sb, struct blame_entry *ent, int
}
}
+ if (mark_unblamable_lines && ent->unblamable) {
+ length--;
+ putchar('*');
+ }
+ if (mark_ignored_lines && ent->ignored) {
+ length--;
+ putchar('?');
+ }
printf("%.*s", length, hex);
if (opt & OUTPUT_ANNOTATE_COMPAT) {
const char *name;
@@ -696,6 +707,24 @@ static int git_blame_config(const char *var, const char *value, void *cb)
parse_date_format(value, &blame_date_mode);
return 0;
}
+ if (!strcmp(var, "blame.ignorerevsfile")) {
+ const char *str;
+ int ret;
+
+ ret = git_config_pathname(&str, var, value);
+ if (ret)
+ return ret;
+ string_list_insert(&ignore_revs_file_list, str);
+ return 0;
+ }
+ if (!strcmp(var, "blame.markunblamablelines")) {
+ mark_unblamable_lines = git_config_bool(var, value);
+ return 0;
+ }
+ if (!strcmp(var, "blame.markignoredlines")) {
+ mark_ignored_lines = git_config_bool(var, value);
+ return 0;
+ }
if (!strcmp(var, "color.blame.repeatedlines")) {
if (color_parse_mem(value, strlen(value), repeated_meta_color))
warning(_("invalid color '%s' in color.blame.repeatedLines"),
@@ -775,6 +804,51 @@ static int is_a_rev(const char *name)
return OBJ_NONE < oid_object_info(the_repository, &oid, NULL);
}
+static int peel_to_commit_oid(struct object_id *oid_ret, void *cbdata)
+{
+ struct repository *r = ((struct blame_scoreboard *)cbdata)->repo;
+ struct object_id oid;
+
+ oidcpy(&oid, oid_ret);
+ while (1) {
+ struct object *obj;
+ int kind = oid_object_info(r, &oid, NULL);
+ if (kind == OBJ_COMMIT) {
+ oidcpy(oid_ret, &oid);
+ return 0;
+ }
+ if (kind != OBJ_TAG)
+ return -1;
+ obj = deref_tag(r, parse_object(r, &oid), NULL, 0);
+ if (!obj)
+ return -1;
+ oidcpy(&oid, &obj->oid);
+ }
+}
+
+static void build_ignorelist(struct blame_scoreboard *sb,
+ struct string_list *ignore_revs_file_list,
+ struct string_list *ignore_rev_list)
+{
+ struct string_list_item *i;
+ struct object_id oid;
+
+ oidset_init(&sb->ignore_list, 0);
+ for_each_string_list_item(i, ignore_revs_file_list) {
+ if (!strcmp(i->string, ""))
+ oidset_clear(&sb->ignore_list);
+ else
+ oidset_parse_file_carefully(&sb->ignore_list, i->string,
+ peel_to_commit_oid, sb);
+ }
+ for_each_string_list_item(i, ignore_rev_list) {
+ if (get_oid_committish(i->string, &oid) ||
+ peel_to_commit_oid(&oid, sb))
+ die(_("cannot find revision %s to ignore"), i->string);
+ oidset_insert(&sb->ignore_list, &oid);
+ }
+}
+
int cmd_blame(int argc, const char **argv, const char *prefix)
{
struct rev_info revs;
@@ -786,13 +860,14 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
struct progress_info pi = { NULL, 0 };
struct string_list range_list = STRING_LIST_INIT_NODUP;
+ struct string_list ignore_rev_list = STRING_LIST_INIT_NODUP;
int output_option = 0, opt = 0;
int show_stats = 0;
const char *revs_file = NULL;
const char *contents_from = NULL;
const struct option options[] = {
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('b', NULL, &blank_boundary, N_("Do not show object names of 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_BOOL(0, "progress", &show_progress, N_("Force progress reporting")),
@@ -807,22 +882,17 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
OPT_BIT('s', NULL, &output_option, N_("Suppress author name and timestamp (Default: off)"), OUTPUT_NO_AUTHOR),
OPT_BIT('e', "show-email", &output_option, N_("Show author email instead of name (Default: off)"), OUTPUT_SHOW_EMAIL),
OPT_BIT('w', NULL, &xdl_opts, N_("Ignore whitespace differences"), XDF_IGNORE_WHITESPACE),
+ OPT_STRING_LIST(0, "ignore-rev", &ignore_rev_list, N_("rev"), N_("Ignore <rev> when blaming")),
+ OPT_STRING_LIST(0, "ignore-revs-file", &ignore_revs_file_list, N_("file"), N_("Ignore revisions from <file>")),
OPT_BIT(0, "color-lines", &output_option, N_("color redundant metadata from previous line differently"), OUTPUT_COLOR_LINE),
OPT_BIT(0, "color-by-age", &output_option, N_("color lines by age"), OUTPUT_SHOW_AGE_WITH_COLOR),
-
- /*
- * The following two options are parsed by parse_revision_opt()
- * and are only included here to get included in the "-h"
- * output:
- */
- { OPTION_LOWLEVEL_CALLBACK, 0, "indent-heuristic", NULL, NULL, N_("Use an experimental heuristic to improve diffs"), PARSE_OPT_NOARG, NULL, 0, parse_opt_unknown_cb },
-
OPT_BIT(0, "minimal", &xdl_opts, N_("Spend extra cycles to find better match"), XDF_NEED_MINIMAL),
OPT_STRING('S', NULL, &revs_file, N_("file"), N_("Use revisions from <file> instead of calling git-rev-list")),
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_STRING_LIST('L', NULL, &range_list, N_("n,m"), N_("Process only line range n,m, counting from 1")),
+ OPT_CALLBACK_F('C', NULL, &opt, N_("score"), N_("Find line copies within and across files"), PARSE_OPT_OPTARG, blame_copy_callback),
+ OPT_CALLBACK_F('M', NULL, &opt, N_("score"), N_("Find line movements within and across files"), PARSE_OPT_OPTARG, blame_move_callback),
+ OPT_STRING_LIST('L', NULL, &range_list, N_("range"),
+ N_("Process only line range <start>,<end> or function :<funcname>")),
OPT__ABBREV(&abbrev),
OPT_END()
};
@@ -832,6 +902,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
struct range_set ranges;
unsigned int range_i;
long anchor;
+ const int hexsz = the_hash_algo->hexsz;
setup_default_color_by_age();
git_config(git_blame_config, &output_option);
@@ -878,11 +949,11 @@ parse_done:
} else if (show_progress < 0)
show_progress = isatty(2);
- if (0 < abbrev && abbrev < GIT_SHA1_HEXSZ)
+ if (0 < abbrev && abbrev < hexsz)
/* one more abbrev length is needed for the boundary commit */
abbrev++;
else if (!abbrev)
- abbrev = GIT_SHA1_HEXSZ;
+ abbrev = hexsz;
if (revs_file && read_ancestry(revs_file))
die_errno("reading graft file '%s' failed", revs_file);
@@ -1012,7 +1083,19 @@ parse_done:
sb.contents_from = contents_from;
sb.reverse = reverse;
sb.repo = the_repository;
- setup_scoreboard(&sb, path, &o);
+ sb.path = path;
+ build_ignorelist(&sb, &ignore_revs_file_list, &ignore_rev_list);
+ string_list_clear(&ignore_revs_file_list, 0);
+ string_list_clear(&ignore_rev_list, 0);
+ setup_scoreboard(&sb, &o);
+
+ /*
+ * Changed-path Bloom filters are disabled when looking
+ * for copies.
+ */
+ if (!(opt & PICKAXE_BLAME_COPY))
+ setup_blame_bloom_data(&sb);
+
lno = sb.num_lines;
if (lno && !range_list.nr)
@@ -1030,7 +1113,7 @@ parse_done:
if ((!lno && (top || bottom)) || lno < bottom)
die(Q_("file %s has only %lu line",
"file %s has only %lu lines",
- lno), path, lno);
+ lno), sb.path, lno);
if (bottom < 1)
bottom = 1;
if (top < 1 || lno < top)
@@ -1055,14 +1138,13 @@ parse_done:
string_list_clear(&range_list, 0);
sb.ent = NULL;
- sb.path = path;
if (blame_move_score)
sb.move_score = blame_move_score;
if (blame_copy_score)
sb.copy_score = blame_copy_score;
- sb.debug = DEBUG;
+ sb.debug = DEBUG_BLAME;
sb.on_sanity_fail = &sanity_check_on_fail;
sb.show_root = show_root;
@@ -1116,5 +1198,7 @@ parse_done:
printf("num get patch: %d\n", sb.num_get_patch);
printf("num commits: %d\n", sb.num_commits);
}
+
+ cleanup_scoreboard(&sb);
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 16:20:27 +0000