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blame: refactor porcelain output 

This is in preparation for adding more porcelain output
options. The three changes are:

  1. emit_porcelain now receives the format option flags

  2. emit_one_suspect_detail takes an optional "repeat"
     parameter to suppress the "show only once" behavior

  3. The code for emitting porcelain suspect is factored
     into its own function for repeatability.

There should be no functional changes.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2011-05-09 09:34:02 -04:00 committed by Junio C Hamano
parent 838466b8f7
commit e86226e340
1 changed files with 16 additions and 9 deletions
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25
builtin/blame.c
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@ -1484,13 +1484,14 @@ static void write_filename_info(const char *path)
/*
* Porcelain/Incremental format wants to show a lot of details per
* commit. Instead of repeating this every line, emit it only once,
* the first time each commit appears in the output.
* the first time each commit appears in the output (unless the
* user has specifically asked for us to repeat).
*/
static int emit_one_suspect_detail(struct origin *suspect)
static int emit_one_suspect_detail(struct origin *suspect, int repeat)
{
struct commit_info ci;
if (suspect->commit->object.flags & METAINFO_SHOWN)
if (!repeat && (suspect->commit->object.flags & METAINFO_SHOWN))
return 0;
suspect->commit->object.flags |= METAINFO_SHOWN;
@ -1529,7 +1530,7 @@ static void found_guilty_entry(struct blame_entry *ent)
printf("%s %d %d %d\n",
sha1_to_hex(suspect->commit->object.sha1),
ent->s_lno + 1, ent->lno + 1, ent->num_lines);
emit_one_suspect_detail(suspect);
emit_one_suspect_detail(suspect, 0);
write_filename_info(suspect->path);
maybe_flush_or_die(stdout, "stdout");
}
@ -1619,7 +1620,15 @@ static const char *format_time(unsigned long time, const char *tz_str,
#define OUTPUT_NO_AUTHOR 0200
#define OUTPUT_SHOW_EMAIL 0400
static void emit_porcelain(struct scoreboard *sb, struct blame_entry *ent)
static void emit_porcelain_details(struct origin *suspect, int repeat)
{
if (emit_one_suspect_detail(suspect, repeat) ||
(suspect->commit->object.flags & MORE_THAN_ONE_PATH))
write_filename_info(suspect->path);
}
static void emit_porcelain(struct scoreboard *sb, struct blame_entry *ent,
int opt)
{
int cnt;
const char *cp;
@ -1633,9 +1642,7 @@ static void emit_porcelain(struct scoreboard *sb, struct blame_entry *ent)
ent->s_lno + 1,
ent->lno + 1,
ent->num_lines);
if (emit_one_suspect_detail(suspect) ||
(suspect->commit->object.flags & MORE_THAN_ONE_PATH))
write_filename_info(suspect->path);
emit_porcelain_details(suspect, 0);
cp = nth_line(sb, ent->lno);
for (cnt = 0; cnt < ent->num_lines; cnt++) {
@ -1756,7 +1763,7 @@ static void output(struct scoreboard *sb, int option)
for (ent = sb->ent; ent; ent = ent->next) {
if (option & OUTPUT_PORCELAIN)
emit_porcelain(sb, ent);
emit_porcelain(sb, ent, option);
else {
emit_other(sb, ent, option);
}