The diff options already know how to print the output anywhere else
than stdout. The same is needed for log output in general, e.g.
when writing patches to files in `git format-patch`. Let's allow
users to use log_tree_commit() *without* changing global state via
freopen().
Signed-off-by: Johannes Schindelin <johannes.schindelin@xxxxxx>
---
log-tree.c | 65 +++++++++++++++++++++++++++++++-------------------------------
1 file changed, 33 insertions(+), 32 deletions(-)
diff --git a/log-tree.c b/log-tree.c
index 78a5381..968428a 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -159,12 +159,12 @@ void load_ref_decorations(int flags)
}
}
-static void show_parents(struct commit *commit, int abbrev)
+static void show_parents(struct commit *commit, int abbrev, FILE *file)
{
struct commit_list *p;
for (p = commit->parents; p ; p = p->next) {
struct commit *parent = p->item;
- printf(" %s", find_unique_abbrev(parent->object.oid.hash, abbrev));
+ fprintf(file, " %s", find_unique_abbrev(parent->object.oid.hash, abbrev));
}
}
@@ -172,7 +172,7 @@ static void show_children(struct rev_info *opt, struct commit *commit, int abbre
{
struct commit_list *p = lookup_decoration(&opt->children, &commit->object);
for ( ; p; p = p->next) {
- printf(" %s", find_unique_abbrev(p->item->object.oid.hash, abbrev));
+ fprintf(opt->diffopt.file, " %s", find_unique_abbrev(p->item->object.oid.hash, abbrev));
}
}
@@ -286,11 +286,11 @@ void show_decorations(struct rev_info *opt, struct commit *commit)
struct strbuf sb = STRBUF_INIT;
if (opt->show_source && commit->util)
- printf("\t%s", (char *) commit->util);
+ fprintf(opt->diffopt.file, "\t%s", (char *) commit->util);
if (!opt->show_decorations)
return;
format_decorations(&sb, commit, opt->diffopt.use_color);
- fputs(sb.buf, stdout);
+ fputs(sb.buf, opt->diffopt.file);
strbuf_release(&sb);
}
@@ -364,18 +364,18 @@ void log_write_email_headers(struct rev_info *opt, struct commit *commit,
subject = "Subject: ";
}
- printf("From %s Mon Sep 17 00:00:00 2001\n", name);
+ fprintf(opt->diffopt.file, "From %s Mon Sep 17 00:00:00 2001\n", name);
graph_show_oneline(opt->graph);
if (opt->message_id) {
- printf("Message-Id: <%s>\n", opt->message_id);
+ fprintf(opt->diffopt.file, "Message-Id: <%s>\n", opt->message_id);
graph_show_oneline(opt->graph);
}
if (opt->ref_message_ids && opt->ref_message_ids->nr > 0) {
int i, n;
n = opt->ref_message_ids->nr;
- printf("In-Reply-To: <%s>\n", opt->ref_message_ids->items[n-1].string);
+ fprintf(opt->diffopt.file, "In-Reply-To: <%s>\n", opt->ref_message_ids->items[n-1].string);
for (i = 0; i < n; i++)
- printf("%s<%s>\n", (i > 0 ? "\t" : "References: "),
+ fprintf(opt->diffopt.file, "%s<%s>\n", (i > 0 ? "\t" : "References: "),
opt->ref_message_ids->items[i].string);
graph_show_oneline(opt->graph);
}
@@ -432,7 +432,7 @@ static void show_sig_lines(struct rev_info *opt, int status, const char *bol)
reset = diff_get_color_opt(&opt->diffopt, DIFF_RESET);
while (*bol) {
eol = strchrnul(bol, '\n');
- printf("%s%.*s%s%s", color, (int)(eol - bol), bol, reset,
+ fprintf(opt->diffopt.file, "%s%.*s%s%s", color, (int)(eol - bol), bol, reset,
*eol ? "\n" : "");
graph_show_oneline(opt->graph);
bol = (*eol) ? (eol + 1) : eol;
@@ -553,17 +553,17 @@ void show_log(struct rev_info *opt)
if (!opt->graph)
put_revision_mark(opt, commit);
- fputs(find_unique_abbrev(commit->object.oid.hash, abbrev_commit), stdout);
+ fputs(find_unique_abbrev(commit->object.oid.hash, abbrev_commit), opt->diffopt.file);
if (opt->print_parents)
- show_parents(commit, abbrev_commit);
+ show_parents(commit, abbrev_commit, opt->diffopt.file);
if (opt->children.name)
show_children(opt, commit, abbrev_commit);
show_decorations(opt, commit);
if (opt->graph && !graph_is_commit_finished(opt->graph)) {
- putchar('\n');
+ fputc('\n', opt->diffopt.file);
graph_show_remainder(opt->graph);
}
- putchar(opt->diffopt.line_termination);
+ fputc(opt->diffopt.line_termination, opt->diffopt.file);
return;
}
@@ -589,7 +589,7 @@ void show_log(struct rev_info *opt)
if (opt->diffopt.line_termination == '\n' &&
!opt->missing_newline)
graph_show_padding(opt->graph);
- putchar(opt->diffopt.line_termination);
+ fputc(opt->diffopt.line_termination, opt->diffopt.file);
}
opt->shown_one = 1;
@@ -607,28 +607,28 @@ void show_log(struct rev_info *opt)
log_write_email_headers(opt, commit, &ctx.subject, &extra_headers,
&ctx.need_8bit_cte);
} else if (opt->commit_format != CMIT_FMT_USERFORMAT) {
- fputs(diff_get_color_opt(&opt->diffopt, DIFF_COMMIT), stdout);
+ fputs(diff_get_color_opt(&opt->diffopt, DIFF_COMMIT), opt->diffopt.file);
if (opt->commit_format != CMIT_FMT_ONELINE)
- fputs("commit ", stdout);
+ fputs("commit ", opt->diffopt.file);
if (!opt->graph)
put_revision_mark(opt, commit);
fputs(find_unique_abbrev(commit->object.oid.hash, abbrev_commit),
- stdout);
+ opt->diffopt.file);
if (opt->print_parents)
- show_parents(commit, abbrev_commit);
+ show_parents(commit, abbrev_commit, opt->diffopt.file);
if (opt->children.name)
show_children(opt, commit, abbrev_commit);
if (parent)
- printf(" (from %s)",
+ fprintf(opt->diffopt.file, " (from %s)",
find_unique_abbrev(parent->object.oid.hash,
abbrev_commit));
- fputs(diff_get_color_opt(&opt->diffopt, DIFF_RESET), stdout);
+ fputs(diff_get_color_opt(&opt->diffopt, DIFF_RESET), opt->diffopt.file);
show_decorations(opt, commit);
if (opt->commit_format == CMIT_FMT_ONELINE) {
- putchar(' ');
+ fputc(' ', opt->diffopt.file);
} else {
- putchar('\n');
+ fputc('\n', opt->diffopt.file);
graph_show_oneline(opt->graph);
}
if (opt->reflog_info) {
@@ -702,7 +702,7 @@ void show_log(struct rev_info *opt)
}
if (opt->show_log_size) {
- printf("log size %i\n", (int)msgbuf.len);
+ fprintf(opt->diffopt.file, "log size %i\n", (int)msgbuf.len);
graph_show_oneline(opt->graph);
}
@@ -718,11 +718,11 @@ void show_log(struct rev_info *opt)
if (opt->graph)
graph_show_commit_msg(opt->graph, &msgbuf);
else
- fwrite(msgbuf.buf, sizeof(char), msgbuf.len, stdout);
+ fwrite(msgbuf.buf, sizeof(char), msgbuf.len, opt->diffopt.file);
if (opt->use_terminator && !commit_format_is_empty(opt->commit_format)) {
if (!opt->missing_newline)
graph_show_padding(opt->graph);
- putchar(opt->diffopt.line_termination);
+ fputc(opt->diffopt.line_termination, opt->diffopt.file);
}
strbuf_release(&msgbuf);
@@ -759,7 +759,7 @@ int log_tree_diff_flush(struct rev_info *opt)
struct strbuf *msg = NULL;
msg = opt->diffopt.output_prefix(&opt->diffopt,
opt->diffopt.output_prefix_data);
- fwrite(msg->buf, msg->len, 1, stdout);
+ fwrite(msg->buf, msg->len, 1, opt->diffopt.file);
}
/*
@@ -774,8 +774,8 @@ int log_tree_diff_flush(struct rev_info *opt)
*/
if (!opt->shown_dashes &&
(pch & opt->diffopt.output_format) == pch)
- printf("---");
- putchar('\n');
+ fprintf(opt->diffopt.file, "---");
+ fputc('\n', opt->diffopt.file);
}
}
diff_flush(&opt->diffopt);
@@ -872,7 +872,7 @@ int log_tree_commit(struct rev_info *opt, struct commit *commit)
return line_log_print(opt, commit);
if (opt->track_linear && !opt->linear && !opt->reverse_output_stage)
- printf("\n%s\n", opt->break_bar);
+ fprintf(opt->diffopt.file, "\n%s\n", opt->break_bar);
shown = log_tree_diff(opt, commit, &log);
if (!shown && opt->loginfo && opt->always_show_header) {
log.parent = NULL;
@@ -880,8 +880,9 @@ int log_tree_commit(struct rev_info *opt, struct commit *commit)
shown = 1;
}
if (opt->track_linear && !opt->linear && opt->reverse_output_stage)
- printf("\n%s\n", opt->break_bar);
+ fprintf(opt->diffopt.file, "\n%s\n", opt->break_bar);
opt->loginfo = NULL;
- maybe_flush_or_die(stdout, "stdout");
+ if (opt->diffopt.file == stdout)
+ maybe_flush_or_die(stdout, "stdout");
return shown;
}
--
2.9.0.118.gce770ba.dirty
--
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