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index 394b5c3617e2ba73d336de66e7bdb41264be777e..3ec1c8f1b287654cccb0f2427810d0afead5c44b 100644 (file)
--- a/blame.c
+++ b/blame.c
#include "diffcore.h"
#include "revision.h"
#include "xdiff-interface.h"
+#include "quote.h"
+#ifndef DEBUG
#define DEBUG 0
+#endif
static const char blame_usage[] =
-"git-blame [-c] [-l] [-t] [-S <revs-file>] [--] file [commit]\n"
+"git-blame [-c] [-l] [-t] [-f] [-n] [-p] [-S <revs-file>] [--] file [commit]\n"
" -c, --compatibility Use the same output mode as git-annotate (Default: off)\n"
" -l, --long Show long commit SHA1 (Default: off)\n"
" -t, --time Show raw timestamp (Default: off)\n"
-" -S, --revs-file Use revisions from revs-file instead of calling git-rev-list\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"
+" -S revs-file Use revisions from revs-file instead of calling git-rev-list\n"
" -h, --help This message";
static struct commit **blame_lines;
unsigned long size;
int num_lines;
const char *pathname;
+ unsigned meta_given:1;
void *topo_data;
};
util2->num_lines ? util->num_lines : util2->num_lines;
int num;
+ if (print_map == NULL)
+ ; /* to avoid "unused function" warning */
+
for (i = 0; i < max; i++) {
printf("i: %d ", i);
num = -1;
if (util)
return util;
- util = xmalloc(sizeof(struct util_info));
- util->buf = NULL;
- util->size = 0;
- util->line_map = NULL;
+ util = xcalloc(1, sizeof(struct util_info));
util->num_lines = -1;
- util->pathname = NULL;
commit->util = util;
return util;
}
char *author_mail;
unsigned long author_time;
char *author_tz;
+
+ /* filled only when asked for details */
+ char *committer;
+ char *committer_mail;
+ unsigned long committer_time;
+ char *committer_tz;
+
+ char *summary;
};
-static void get_commit_info(struct commit *commit, struct commit_info *ret)
+static void get_ac_line(const char *inbuf, const char *what,
+ int bufsz, char *person, char **mail,
+ unsigned long *time, char **tz)
{
int len;
- char *tmp;
- static char author_buf[1024];
-
- tmp = strstr(commit->buffer, "\nauthor ") + 8;
- len = strchr(tmp, '\n') - tmp;
- ret->author = author_buf;
- memcpy(ret->author, tmp, len);
+ char *tmp, *endp;
+
+ tmp = strstr(inbuf, what);
+ if (!tmp)
+ goto error_out;
+ tmp += strlen(what);
+ endp = strchr(tmp, '\n');
+ if (!endp)
+ len = strlen(tmp);
+ else
+ len = endp - tmp;
+ if (bufsz <= len) {
+ error_out:
+ /* Ugh */
+ person = *mail = *tz = "(unknown)";
+ *time = 0;
+ return;
+ }
+ memcpy(person, tmp, len);
- tmp = ret->author;
+ tmp = person;
tmp += len;
*tmp = 0;
while (*tmp != ' ')
tmp--;
- ret->author_tz = tmp+1;
+ *tz = tmp+1;
*tmp = 0;
while (*tmp != ' ')
tmp--;
- ret->author_time = strtoul(tmp, NULL, 10);
+ *time = strtoul(tmp, NULL, 10);
*tmp = 0;
while (*tmp != ' ')
tmp--;
- ret->author_mail = tmp + 1;
-
+ *mail = tmp + 1;
*tmp = 0;
}
+static void get_commit_info(struct commit *commit, struct commit_info *ret, int detailed)
+{
+ int len;
+ char *tmp, *endp;
+ static char author_buf[1024];
+ static char committer_buf[1024];
+ static char summary_buf[1024];
+
+ ret->author = author_buf;
+ get_ac_line(commit->buffer, "\nauthor ",
+ sizeof(author_buf), author_buf, &ret->author_mail,
+ &ret->author_time, &ret->author_tz);
+
+ if (!detailed)
+ return;
+
+ ret->committer = committer_buf;
+ get_ac_line(commit->buffer, "\ncommitter ",
+ sizeof(committer_buf), committer_buf, &ret->committer_mail,
+ &ret->committer_time, &ret->committer_tz);
+
+ ret->summary = summary_buf;
+ tmp = strstr(commit->buffer, "\n\n");
+ if (!tmp) {
+ error_out:
+ sprintf(summary_buf, "(%s)", sha1_to_hex(commit->object.sha1));
+ return;
+ }
+ tmp += 2;
+ endp = strchr(tmp, '\n');
+ if (!endp)
+ goto error_out;
+ len = endp - tmp;
+ if (len >= sizeof(summary_buf))
+ goto error_out;
+ memcpy(summary_buf, tmp, len);
+ summary_buf[len] = 0;
+}
+
static const char *format_time(unsigned long time, const char *tz_str,
int show_raw_time)
{
return 0;
}
+static int lineno_width(int lines)
+{
+ int i, width;
+
+ for (width = 1, i = 10; i <= lines + 1; width++)
+ i *= 10;
+ return width;
+}
+
+static int find_orig_linenum(struct util_info *u, int lineno)
+{
+ int i;
+
+ for (i = 0; i < u->num_lines; i++)
+ if (lineno == u->line_map[i])
+ return i + 1;
+ return 0;
+}
+
+static void emit_meta(struct commit *c, int lno,
+ int sha1_len, int compatibility, int porcelain,
+ int show_name, int show_number, int show_raw_time,
+ int longest_file, int longest_author,
+ int max_digits, int max_orig_digits)
+{
+ struct util_info *u;
+ int lineno;
+ struct commit_info ci;
+
+ u = c->util;
+ lineno = find_orig_linenum(u, lno);
+
+ if (porcelain) {
+ int group_size = -1;
+ struct commit *cc = (lno == 0) ? NULL : blame_lines[lno-1];
+ if (cc != c) {
+ /* This is the beginning of this group */
+ int i;
+ for (i = lno + 1; i < num_blame_lines; i++)
+ if (blame_lines[i] != c)
+ break;
+ group_size = i - lno;
+ }
+ if (0 < group_size)
+ printf("%s %d %d %d\n", sha1_to_hex(c->object.sha1),
+ lineno, lno + 1, group_size);
+ else
+ printf("%s %d %d\n", sha1_to_hex(c->object.sha1),
+ lineno, lno + 1);
+ if (!u->meta_given) {
+ get_commit_info(c, &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("filename ");
+ if (quote_c_style(u->pathname, NULL, NULL, 0))
+ quote_c_style(u->pathname, NULL, stdout, 0);
+ else
+ fputs(u->pathname, stdout);
+ printf("\nsummary %s\n", ci.summary);
+
+ u->meta_given = 1;
+ }
+ putchar('\t');
+ return;
+ }
+
+ get_commit_info(c, &ci, 0);
+ fwrite(sha1_to_hex(c->object.sha1), sha1_len, 1, stdout);
+ if (compatibility) {
+ printf("\t(%10s\t%10s\t%d)", ci.author,
+ format_time(ci.author_time, ci.author_tz,
+ show_raw_time),
+ lno + 1);
+ }
+ else {
+ if (show_name)
+ printf(" %-*.*s", longest_file, longest_file,
+ u->pathname);
+ if (show_number)
+ printf(" %*d", max_orig_digits,
+ lineno);
+ printf(" (%-*.*s %10s %*d) ",
+ longest_author, longest_author, ci.author,
+ format_time(ci.author_time, ci.author_tz,
+ show_raw_time),
+ max_digits, lno + 1);
+ }
+}
+
int main(int argc, const char **argv)
{
int i;
struct commit_info ci;
const char *buf;
- int max_digits;
- int longest_file, longest_author;
- int found_rename;
+ int max_digits, max_orig_digits;
+ int longest_file, longest_author, longest_file_lines;
+ int show_name = 0;
+ int show_number = 0;
+ int porcelain = 0;
const char *prefix = setup_git_directory();
git_config(git_default_config);
}
usage(blame_usage);
}
+ if (!strcmp(argv[i], "-f") ||
+ !strcmp(argv[i], "--show-name")) {
+ show_name = 1;
+ continue;
+ }
+ if (!strcmp(argv[i], "-n") ||
+ !strcmp(argv[i], "--show-number")) {
+ show_number = 1;
+ continue;
+ }
+ if (!strcmp(argv[i], "-p") ||
+ !strcmp(argv[i], "--porcelain")) {
+ porcelain = 1;
+ sha1_len = 40;
+ show_raw_time = 1;
+ continue;
+ }
if (!strcmp(argv[i], "--")) {
options = 0;
continue;
prepare_revision_walk(&rev);
process_commits(&rev, filename, &initial);
+ for (i = 0; i < num_blame_lines; i++)
+ if (!blame_lines[i])
+ blame_lines[i] = initial;
+
buf = blame_contents;
- for (max_digits = 1, i = 10; i <= num_blame_lines + 1; max_digits++)
- i *= 10;
+ max_digits = lineno_width(num_blame_lines);
longest_file = 0;
longest_author = 0;
- found_rename = 0;
+ longest_file_lines = 0;
for (i = 0; i < num_blame_lines; i++) {
struct commit *c = blame_lines[i];
struct util_info *u;
- if (!c)
- c = initial;
u = c->util;
- if (!found_rename && strcmp(filename, u->pathname))
- found_rename = 1;
+ if (!show_name && strcmp(filename, u->pathname))
+ show_name = 1;
if (longest_file < strlen(u->pathname))
longest_file = strlen(u->pathname);
- get_commit_info(c, &ci);
+ if (longest_file_lines < u->num_lines)
+ longest_file_lines = u->num_lines;
+ get_commit_info(c, &ci, 0);
if (longest_author < strlen(ci.author))
longest_author = strlen(ci.author);
}
- for (i = 0; i < num_blame_lines; i++) {
- struct commit *c = blame_lines[i];
- struct util_info *u;
- if (!c)
- c = initial;
- u = c->util;
+ max_orig_digits = lineno_width(longest_file_lines);
- get_commit_info(c, &ci);
- fwrite(sha1_to_hex(c->object.sha1), sha1_len, 1, stdout);
- if (compatibility) {
- printf("\t(%10s\t%10s\t%d)", ci.author,
- format_time(ci.author_time, ci.author_tz,
- show_raw_time),
- i+1);
- }
- else {
- if (found_rename)
- printf(" %-*.*s", longest_file, longest_file,
- u->pathname);
- printf(" (%-*.*s %10s %*d) ",
- longest_author, longest_author, ci.author,
- format_time(ci.author_time, ci.author_tz,
- show_raw_time),
- max_digits, i+1);
- }
+ for (i = 0; i < num_blame_lines; i++) {
+ emit_meta(blame_lines[i], i,
+ sha1_len, compatibility, porcelain,
+ show_name, show_number, show_raw_time,
+ longest_file, longest_author,
+ max_digits, max_orig_digits);
if (i == num_blame_lines - 1) {
fwrite(buf, blame_len - (buf - blame_contents),