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line-log: respect diffopt's configured output file stream

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The diff machinery can optionally output to a file stream other than
stdout, by overriding diffopt.file. In such a case, the rest of the
log tree machinery should also write to that stream.

Currently, there is no user of the line level log that wants to
redirect output to a file. Therefore, one might argue that it is
superfluous to support that now. However, it is better to be
consistent now, rather than to face hard-to-debug problems later.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin 2016-06-22 17:01:39 +02:00 committed by Junio C Hamano
parent 4d7b0efc5e
commit 179795e511
1 changed files with 17 additions and 17 deletions
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34
line-log.c
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@ -841,7 +841,7 @@ static char *get_nth_line(long line, unsigned long *ends, void *data)
static void print_line(const char *prefix, char first,
long line, unsigned long *ends, void *data,
const char *color, const char *reset)
const char *color, const char *reset, FILE *file)
{
char *begin = get_nth_line(line, ends, data);
char *end = get_nth_line(line+1, ends, data);
@ -852,14 +852,14 @@ static void print_line(const char *prefix, char first,
had_nl = 1;
}
fputs(prefix, stdout);
fputs(color, stdout);
putchar(first);
fwrite(begin, 1, end-begin, stdout);
fputs(reset, stdout);
putchar('\n');
fputs(prefix, file);
fputs(color, file);
putc(first, file);
fwrite(begin, 1, end-begin, file);
fputs(reset, file);
putc('\n', file);
if (!had_nl)
fputs("\\ No newline at end of file\n", stdout);
fputs("\\ No newline at end of file\n", file);
}
static char *output_prefix(struct diff_options *opt)
@ -898,12 +898,12 @@ static void dump_diff_hacky_one(struct rev_info *rev, struct line_log_data *rang
fill_line_ends(pair->one, &p_lines, &p_ends);
fill_line_ends(pair->two, &t_lines, &t_ends);
printf("%s%sdiff --git a/%s b/%s%s\n", prefix, c_meta, pair->one->path, pair->two->path, c_reset);
printf("%s%s--- %s%s%s\n", prefix, c_meta,
fprintf(opt->file, "%s%sdiff --git a/%s b/%s%s\n", prefix, c_meta, pair->one->path, pair->two->path, c_reset);
fprintf(opt->file, "%s%s--- %s%s%s\n", prefix, c_meta,
pair->one->sha1_valid ? "a/" : "",
pair->one->sha1_valid ? pair->one->path : "/dev/null",
c_reset);
printf("%s%s+++ b/%s%s\n", prefix, c_meta, pair->two->path, c_reset);
fprintf(opt->file, "%s%s+++ b/%s%s\n", prefix, c_meta, pair->two->path, c_reset);
for (i = 0; i < range->ranges.nr; i++) {
long p_start, p_end;
long t_start = range->ranges.ranges[i].start;
@ -945,7 +945,7 @@ static void dump_diff_hacky_one(struct rev_info *rev, struct line_log_data *rang
}
/* Now output a diff hunk for this range */
printf("%s%s@@ -%ld,%ld +%ld,%ld @@%s\n",
fprintf(opt->file, "%s%s@@ -%ld,%ld +%ld,%ld @@%s\n",
prefix, c_frag,
p_start+1, p_end-p_start, t_start+1, t_end-t_start,
c_reset);
@ -953,18 +953,18 @@ static void dump_diff_hacky_one(struct rev_info *rev, struct line_log_data *rang
int k;
for (; t_cur < diff->target.ranges[j].start; t_cur++)
print_line(prefix, ' ', t_cur, t_ends, pair->two->data,
c_context, c_reset);
c_context, c_reset, opt->file);
for (k = diff->parent.ranges[j].start; k < diff->parent.ranges[j].end; k++)
print_line(prefix, '-', k, p_ends, pair->one->data,
c_old, c_reset);
c_old, c_reset, opt->file);
for (; t_cur < diff->target.ranges[j].end && t_cur < t_end; t_cur++)
print_line(prefix, '+', t_cur, t_ends, pair->two->data,
c_new, c_reset);
c_new, c_reset, opt->file);
j++;
}
for (; t_cur < t_end; t_cur++)
print_line(prefix, ' ', t_cur, t_ends, pair->two->data,
c_context, c_reset);
c_context, c_reset, opt->file);
}
free(p_ends);
@ -977,7 +977,7 @@ static void dump_diff_hacky_one(struct rev_info *rev, struct line_log_data *rang
*/
static void dump_diff_hacky(struct rev_info *rev, struct line_log_data *range)
{
puts(output_prefix(&rev->diffopt));
fprintf(rev->diffopt.file, "%s\n", output_prefix(&rev->diffopt));
while (range) {
dump_diff_hacky_one(rev, range);
range = range->next;