*/
#include "cache.h"
+#include "refs.h"
#include "builtin.h"
#include "blob.h"
#include "commit.h"
static int abbrev = -1;
static int no_whole_file_rename;
-static enum date_mode blame_date_mode = DATE_ISO8601;
+static struct date_mode blame_date_mode = { DATE_ISO8601 };
static size_t blame_date_width;
static struct string_list mailmap;
static struct origin *make_origin(struct commit *commit, const char *path)
{
struct origin *o;
- o = xcalloc(1, sizeof(*o) + strlen(path) + 1);
+ size_t pathlen = strlen(path) + 1;
+ o = xcalloc(1, sizeof(*o) + pathlen);
o->commit = commit;
o->refcnt = 1;
o->next = commit->util;
commit->util = o;
- strcpy(o->path, path);
+ memcpy(o->path, path, pathlen); /* includes NUL */
return o;
}
fill_origin_blob(&sb->revs->diffopt, target, &file_o);
num_get_patch++;
- diff_hunks(&file_p, &file_o, 0, blame_chunk_cb, &d);
+ if (diff_hunks(&file_p, &file_o, 0, blame_chunk_cb, &d))
+ die("unable to generate diff (%s -> %s)",
+ sha1_to_hex(parent->commit->object.sha1),
+ sha1_to_hex(target->commit->object.sha1));
/* The rest are the same as the parent */
blame_chunk(&d.dstq, &d.srcq, INT_MAX, d.offset, INT_MAX, parent);
*d.dstq = NULL;
* file_p partially may match that image.
*/
memset(split, 0, sizeof(struct blame_entry [3]));
- diff_hunks(file_p, &file_o, 1, handle_split_cb, &d);
+ if (diff_hunks(file_p, &file_o, 1, handle_split_cb, &d))
+ die("unable to generate diff (%s)",
+ sha1_to_hex(parent->commit->object.sha1));
/* remainder, if any, all match the preimage */
handle_split(sb, ent, d.tlno, d.plno, ent->num_lines, parent, split);
}
size_t time_width;
int tz;
tz = atoi(tz_str);
- time_str = show_date(time, tz, blame_date_mode);
+ time_str = show_date(time, tz, &blame_date_mode);
strbuf_addstr(&time_buf, time_str);
/*
* Add space paddings to time_buf to display a fixed width
int cnt;
const char *cp;
struct origin *suspect = ent->suspect;
- char hex[41];
+ char hex[GIT_SHA1_HEXSZ + 1];
- strcpy(hex, sha1_to_hex(suspect->commit->object.sha1));
+ sha1_to_hex_r(hex, suspect->commit->object.sha1);
printf("%s %d %d %d\n",
hex,
ent->s_lno + 1,
const char *cp;
struct origin *suspect = ent->suspect;
struct commit_info ci;
- char hex[41];
+ char hex[GIT_SHA1_HEXSZ + 1];
int show_raw_time = !!(opt & OUTPUT_RAW_TIMESTAMP);
get_commit_info(suspect->commit, &ci, 1);
- strcpy(hex, sha1_to_hex(suspect->commit->object.sha1));
+ sha1_to_hex_r(hex, suspect->commit->object.sha1);
cp = nth_line(sb, ent->lno);
for (cnt = 0; cnt < ent->num_lines; cnt++) {
if (!strcmp(var, "blame.date")) {
if (!value)
return config_error_nonbool(var);
- blame_date_mode = parse_date_format(value);
+ parse_date_format(value, &blame_date_mode);
return 0;
}
static void append_merge_parents(struct commit_list **tail)
{
int merge_head;
- const char *merge_head_file = git_path("MERGE_HEAD");
struct strbuf line = STRBUF_INIT;
- merge_head = open(merge_head_file, O_RDONLY);
+ merge_head = open(git_path_merge_head(), O_RDONLY);
if (merge_head < 0) {
if (errno == ENOENT)
return;
- die("cannot open '%s' for reading", merge_head_file);
+ die("cannot open '%s' for reading", git_path_merge_head());
}
while (!strbuf_getwholeline_fd(&line, merge_head, '\n')) {
unsigned char sha1[20];
if (line.len < 40 || get_sha1_hex(line.buf, sha1))
- die("unknown line in '%s': %s", merge_head_file, line.buf);
+ die("unknown line in '%s': %s", git_path_merge_head(), line.buf);
tail = append_parent(tail, sha1);
}
close(merge_head);
return commit;
}
- static char *prepare_final(struct scoreboard *sb)
+ static struct object_array_entry *find_single_final(struct rev_info *revs)
{
int i;
- const char *final_commit_name = NULL;
- struct rev_info *revs = sb->revs;
+ struct object_array_entry *found = NULL;
- /*
- * There must be one and only one positive commit in the
- * revs->pending array.
- */
for (i = 0; i < revs->pending.nr; i++) {
struct object *obj = revs->pending.objects[i].item;
if (obj->flags & UNINTERESTING)
obj = deref_tag(obj, NULL, 0);
if (obj->type != OBJ_COMMIT)
die("Non commit %s?", revs->pending.objects[i].name);
- if (sb->final)
+ if (found)
die("More than one commit to dig from %s and %s?",
revs->pending.objects[i].name,
- final_commit_name);
- sb->final = (struct commit *) obj;
- final_commit_name = revs->pending.objects[i].name;
+ found->name);
+ found = &(revs->pending.objects[i]);
+ }
+ return found;
+ }
+
+ static char *prepare_final(struct scoreboard *sb)
+ {
+ struct object_array_entry *found = find_single_final(sb->revs);
+ if (found) {
+ sb->final = (struct commit *) found->item;
+ return xstrdup(found->name);
+ } else {
+ return NULL;
}
- return xstrdup_or_null(final_commit_name);
}
static char *prepare_initial(struct scoreboard *sb)
long dashdash_pos, lno;
char *final_commit_name = NULL;
enum object_type type;
+ struct commit *final_commit = NULL;
static struct string_list range_list;
static int output_option = 0, opt = 0;
if (cmd_is_annotate) {
output_option |= OUTPUT_ANNOTATE_COMPAT;
- blame_date_mode = DATE_ISO8601;
+ blame_date_mode.type = DATE_ISO8601;
} else {
blame_date_mode = revs.date_mode;
}
/* The maximum width used to show the dates */
- switch (blame_date_mode) {
+ switch (blame_date_mode.type) {
case DATE_RFC2822:
blame_date_width = sizeof("Thu, 19 Oct 2006 16:00:04 -0700");
break;
fewer display columns. */
blame_date_width = utf8_strwidth(_("4 years, 11 months ago")) + 1; /* add the null */
break;
- case DATE_LOCAL:
case DATE_NORMAL:
blame_date_width = sizeof("Thu Oct 19 16:00:04 2006 -0700");
break;
+ case DATE_STRFTIME:
+ blame_date_width = strlen(show_date(0, 0, &blame_date_mode)) + 1; /* add the null */
+ break;
}
blame_date_width -= 1; /* strip the null */
sb.commits.compare = compare_commits_by_commit_date;
}
else if (contents_from)
- die("--contents and --children do not blend well.");
+ die("--contents and --reverse do not blend well.");
- else if (revs.first_parent_only)
- die("combining --first-parent and --reverse is not supported");
else {
final_commit_name = prepare_initial(&sb);
sb.commits.compare = compare_commits_by_reverse_commit_date;
+ if (revs.first_parent_only)
+ revs.children.name = NULL;
}
if (!sb.final) {
else if (contents_from)
die("Cannot use --contents with final commit object name");
+ if (reverse && revs.first_parent_only) {
+ struct object_array_entry *entry = find_single_final(sb.revs);
+ if (!entry)
+ die("--reverse and --first-parent together require specified latest commit");
+ else
+ final_commit = (struct commit*) entry->item;
+ }
+
/*
* If we have bottom, this will mark the ancestors of the
* bottom commits we would reach while traversing as
if (prepare_revision_walk(&revs))
die(_("revision walk setup failed"));
+ if (reverse && revs.first_parent_only) {
+ struct commit *c = final_commit;
+
+ sb.revs->children.name = "children";
+ while (c->parents &&
+ hashcmp(c->object.sha1, sb.final->object.sha1)) {
+ struct commit_list *l = xcalloc(1, sizeof(*l));
+
+ l->item = c;
+ if (add_decoration(&sb.revs->children,
+ &c->parents->item->object, l))
+ die("BUG: not unique item in first-parent chain");
+ c = c->parents->item;
+ }
+
+ if (hashcmp(c->object.sha1, sb.final->object.sha1))
+ die("--reverse --first-parent together require range along first-parent chain");
+ }
+
if (is_null_sha1(sb.final->object.sha1)) {
o = sb.final->util;
sb.final_buf = xmemdupz(o->file.ptr, o->file.size);