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git-blame: show lines attributed to boundary commits differently. 

When blaming with revision ranges, often many lines are attributed
to different commits at the boundary, but they are not interesting
for the purpose of finding project history during that revision range.

This outputs the lines blamed on boundary commits differently. When
showing "human format" output, their SHA-1 are shown with '^' prefixed.
In "porcelain format", the commit will be shown with an extra attribute
line "boundary".

Signed-off-by: Junio C Hamano <junkio@cox.net>
maint
Junio C Hamano 2006-12-01 20:45:45 -08:00
parent f388cec3d7
commit b11121d9e3
1 changed files with 14 additions and 1 deletions
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15
builtin-blame.c
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@ -1090,6 +1090,11 @@ static void assign_blame(struct scoreboard *sb, struct rev_info *revs, int opt)
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);
}

/* Take responsibility for the remaining entries */
for (ent = sb->ent; ent; ent = ent->next)
@ -1273,6 +1278,8 @@ static void emit_porcelain(struct scoreboard *sb, struct blame_entry *ent)
printf("committer-tz %s\n", ci.committer_tz);
printf("filename %s\n", 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);
@ -1308,8 +1315,14 @@ static void emit_other(struct scoreboard *sb, struct blame_entry *ent, int opt)
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;

printf("%.*s", (opt & OUTPUT_LONG_OBJECT_NAME) ? 40 : 8, hex);
if (suspect->commit->object.flags & UNINTERESTING) {
length--;
putchar('^');
}

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,