#include "diff.h"
#include "diffcore.h"
#include "revision.h"
+#include "quote.h"
#include "xdiff-interface.h"
-#include <time.h>
-#include <sys/time.h>
-#include <regex.h>
-
static char blame_usage[] =
"git-blame [-c] [-l] [-t] [-f] [-n] [-p] [-L n,m] [-S <revs-file>] [-M] [-C] [-C] [commit] [--] file\n"
" -c, --compatibility Use the same output mode as git-annotate (Default: off)\n"
+" -b Show blank SHA-1 for boundary commits (Default: off)\n"
" -l, --long Show long commit SHA1 (Default: off)\n"
+" --root Do not treat root commits as boundaries (Default: off)\n"
" -t, --time Show raw timestamp (Default: off)\n"
" -f, --show-name Show original filename (Default: auto)\n"
" -n, --show-number Show original linenumber (Default: off)\n"
" -p, --porcelain Show in a format designed for machine consumption\n"
" -L n,m Process only line range n,m, counting from 1\n"
" -M, -C Find line movements within and across files\n"
+" --incremental Show blame entries as we find them, incrementally\n"
" -S revs-file Use revisions from revs-file instead of calling git-rev-list\n";
static int longest_file;
static int max_orig_digits;
static int max_digits;
static int max_score_digits;
+static int show_root;
+static int blank_boundary;
+static int incremental;
#ifndef DEBUG
#define DEBUG 0
origin_decref(parent_origin[i]);
}
-static void assign_blame(struct scoreboard *sb, struct rev_info *revs, int opt)
-{
- while (1) {
- struct blame_entry *ent;
- struct commit *commit;
- struct origin *suspect = NULL;
-
- /* find one suspect to break down */
- for (ent = sb->ent; !suspect && ent; ent = ent->next)
- if (!ent->guilty)
- suspect = ent->suspect;
- if (!suspect)
- return; /* all done */
-
- origin_incref(suspect);
- commit = suspect->commit;
- if (!commit->object.parsed)
- parse_commit(commit);
- if (!(commit->object.flags & UNINTERESTING) &&
- !(revs->max_age != -1 && commit->date < revs->max_age))
- pass_blame(sb, suspect, opt);
-
- /* Take responsibility for the remaining entries */
- for (ent = sb->ent; ent; ent = ent->next)
- if (!cmp_suspect(ent->suspect, suspect))
- ent->guilty = 1;
- origin_decref(suspect);
-
- if (DEBUG) /* sanity */
- sanity_check_refcnt(sb);
- }
-}
-
-static const char *format_time(unsigned long time, const char *tz_str,
- int show_raw_time)
-{
- static char time_buf[128];
- time_t t = time;
- int minutes, tz;
- struct tm *tm;
-
- if (show_raw_time) {
- sprintf(time_buf, "%lu %s", time, tz_str);
- return time_buf;
- }
-
- tz = atoi(tz_str);
- minutes = tz < 0 ? -tz : tz;
- minutes = (minutes / 100)*60 + (minutes % 100);
- minutes = tz < 0 ? -minutes : minutes;
- t = time + minutes * 60;
- tm = gmtime(&t);
-
- strftime(time_buf, sizeof(time_buf), "%Y-%m-%d %H:%M:%S ", tm);
- strcat(time_buf, tz_str);
- return time_buf;
-}
-
struct commit_info
{
char *author;
summary_buf[len] = 0;
}
+static void write_filename_info(const char *path)
+{
+ printf("filename ");
+ write_name_quoted(NULL, 0, path, 1, stdout);
+ putchar('\n');
+}
+
+static void found_guilty_entry(struct blame_entry *ent)
+{
+ if (ent->guilty)
+ return;
+ ent->guilty = 1;
+ if (incremental) {
+ struct origin *suspect = ent->suspect;
+
+ printf("%s %d %d %d\n",
+ sha1_to_hex(suspect->commit->object.sha1),
+ ent->s_lno + 1, ent->lno + 1, ent->num_lines);
+ if (!(suspect->commit->object.flags & METAINFO_SHOWN)) {
+ struct commit_info ci;
+ suspect->commit->object.flags |= METAINFO_SHOWN;
+ get_commit_info(suspect->commit, &ci, 1);
+ printf("author %s\n", ci.author);
+ printf("author-mail %s\n", ci.author_mail);
+ printf("author-time %lu\n", ci.author_time);
+ printf("author-tz %s\n", ci.author_tz);
+ printf("committer %s\n", ci.committer);
+ printf("committer-mail %s\n", ci.committer_mail);
+ printf("committer-time %lu\n", ci.committer_time);
+ printf("committer-tz %s\n", ci.committer_tz);
+ printf("summary %s\n", ci.summary);
+ if (suspect->commit->object.flags & UNINTERESTING)
+ printf("boundary\n");
+ }
+ write_filename_info(suspect->path);
+ }
+}
+
+static void assign_blame(struct scoreboard *sb, struct rev_info *revs, int opt)
+{
+ while (1) {
+ struct blame_entry *ent;
+ struct commit *commit;
+ struct origin *suspect = NULL;
+
+ /* find one suspect to break down */
+ for (ent = sb->ent; !suspect && ent; ent = ent->next)
+ if (!ent->guilty)
+ suspect = ent->suspect;
+ if (!suspect)
+ return; /* all done */
+
+ origin_incref(suspect);
+ commit = suspect->commit;
+ if (!commit->object.parsed)
+ parse_commit(commit);
+ if (!(commit->object.flags & UNINTERESTING) &&
+ !(revs->max_age != -1 && commit->date < revs->max_age))
+ pass_blame(sb, suspect, opt);
+ else {
+ commit->object.flags |= UNINTERESTING;
+ if (commit->object.parsed)
+ mark_parents_uninteresting(commit);
+ }
+ /* treat root commit as boundary */
+ if (!commit->parents && !show_root)
+ commit->object.flags |= UNINTERESTING;
+
+ /* Take responsibility for the remaining entries */
+ for (ent = sb->ent; ent; ent = ent->next)
+ if (!cmp_suspect(ent->suspect, suspect))
+ found_guilty_entry(ent);
+ origin_decref(suspect);
+
+ if (DEBUG) /* sanity */
+ sanity_check_refcnt(sb);
+ }
+}
+
+static const char *format_time(unsigned long time, const char *tz_str,
+ int show_raw_time)
+{
+ static char time_buf[128];
+ time_t t = time;
+ int minutes, tz;
+ struct tm *tm;
+
+ if (show_raw_time) {
+ sprintf(time_buf, "%lu %s", time, tz_str);
+ return time_buf;
+ }
+
+ tz = atoi(tz_str);
+ minutes = tz < 0 ? -tz : tz;
+ minutes = (minutes / 100)*60 + (minutes % 100);
+ minutes = tz < 0 ? -minutes : minutes;
+ t = time + minutes * 60;
+ tm = gmtime(&t);
+
+ strftime(time_buf, sizeof(time_buf), "%Y-%m-%d %H:%M:%S ", tm);
+ strcat(time_buf, tz_str);
+ return time_buf;
+}
+
#define OUTPUT_ANNOTATE_COMPAT 001
#define OUTPUT_LONG_OBJECT_NAME 002
#define OUTPUT_RAW_TIMESTAMP 004
printf("committer-mail %s\n", ci.committer_mail);
printf("committer-time %lu\n", ci.committer_time);
printf("committer-tz %s\n", ci.committer_tz);
- printf("filename %s\n", suspect->path);
+ write_filename_info(suspect->path);
printf("summary %s\n", ci.summary);
+ if (suspect->commit->object.flags & UNINTERESTING)
+ printf("boundary\n");
}
else if (suspect->commit->object.flags & MORE_THAN_ONE_PATH)
- printf("filename %s\n", suspect->path);
+ write_filename_info(suspect->path);
cp = nth_line(sb, ent->lno);
for (cnt = 0; cnt < ent->num_lines; cnt++) {
cp = nth_line(sb, ent->lno);
for (cnt = 0; cnt < ent->num_lines; cnt++) {
char ch;
+ int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? 40 : 8;
+
+ if (suspect->commit->object.flags & UNINTERESTING) {
+ if (!blank_boundary) {
+ length--;
+ putchar('^');
+ }
+ else
+ memset(hex, ' ', length);
+ }
- printf("%.*s", (opt & OUTPUT_LONG_OBJECT_NAME) ? 40 : 8, hex);
+ printf("%.*s", length, hex);
if (opt & OUTPUT_ANNOTATE_COMPAT)
printf("\t(%10s\t%10s\t%d)", ci.author,
format_time(ci.author_time, ci.author_tz,
usage(blame_usage);
}
+static int git_blame_config(const char *var, const char *value)
+{
+ if (!strcmp(var, "blame.showroot")) {
+ show_root = git_config_bool(var, value);
+ return 0;
+ }
+ if (!strcmp(var, "blame.blankboundary")) {
+ blank_boundary = git_config_bool(var, value);
+ return 0;
+ }
+ return git_default_config(var, value);
+}
+
int cmd_blame(int argc, const char **argv, const char *prefix)
{
struct rev_info revs;
char type[10];
const char *bottomtop = NULL;
+ git_config(git_blame_config);
save_commit_buffer = 0;
opt = 0;
const char *arg = argv[i];
if (*arg != '-')
break;
+ else if (!strcmp("-b", arg))
+ blank_boundary = 1;
+ else if (!strcmp("--root", arg))
+ show_root = 1;
else if (!strcmp("-c", arg))
output_option |= OUTPUT_ANNOTATE_COMPAT;
else if (!strcmp("-t", arg))
die("More than one '-L n,m' option given");
bottomtop = arg;
}
+ else if (!strcmp("--incremental", arg))
+ incremental = 1;
else if (!strcmp("--score-debug", arg))
output_option |= OUTPUT_SHOW_SCORE;
else if (!strcmp("-f", arg) ||
assign_blame(&sb, &revs, opt);
+ if (incremental)
+ return 0;
+
coalesce(&sb);
if (!(output_option & OUTPUT_PORCELAIN))