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pretty: use fmt_output_email_subject()

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Add the email-style subject prefix (e.g. "Subject: [PATCH] ") directly
when it's needed instead of letting log_write_email_headers() prepare
it in a static buffer in advance.  This simplifies storage ownership and
code flow.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe 2017-03-01 12:37:07 +01:00 committed by Junio C Hamano
parent 8ffc8dc6ba
commit 6d167fd7cc
6 changed files with 15 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
builtin/log.c
View File

@ -989,8 +989,7 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
open_next_file(NULL, rev->numbered_files ? NULL : "cover-letter", rev, quiet))
return;
log_write_email_headers(rev, head, &pp.subject, &pp.after_subject,
&need_8bit_cte);
log_write_email_headers(rev, head, &pp.after_subject, &need_8bit_cte);
for (i = 0; !need_8bit_cte && i < nr; i++) {
const char *buf = get_commit_buffer(list[i], NULL);
@ -1005,6 +1004,8 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
msg = body;
pp.fmt = CMIT_FMT_EMAIL;
pp.date_mode.type = DATE_RFC2822;
pp.rev = rev;
pp.print_email_subject = 1;
pp_user_info(&pp, NULL, &sb, committer, encoding);
pp_title_line(&pp, &msg, &sb, encoding, need_8bit_cte);
pp_remainder(&pp, &msg, &sb, 0);

2
builtin/shortlog.c
View File

@ -143,7 +143,7 @@ void shortlog_add_commit(struct shortlog *log, struct commit *commit)
ctx.fmt = CMIT_FMT_USERFORMAT;
ctx.abbrev = log->abbrev;
ctx.subject = "";
ctx.print_email_subject = 1;
ctx.after_subject = "";
ctx.date_mode.type = DATE_NORMAL;
ctx.output_encoding = get_log_output_encoding();

6
commit.h
View File

@ -142,21 +142,24 @@ static inline int cmit_fmt_is_mail(enum cmit_fmt fmt)
return (fmt == CMIT_FMT_EMAIL || fmt == CMIT_FMT_MBOXRD);
}
struct rev_info; /* in revision.h, it circularly uses enum cmit_fmt */
struct pretty_print_context {
/*
* Callers should tweak these to change the behavior of pp_* functions.
*/
enum cmit_fmt fmt;
int abbrev;
const char *subject;
const char *after_subject;
int preserve_subject;
struct date_mode date_mode;
unsigned date_mode_explicit:1;
int print_email_subject;
int expand_tabs_in_log;
int need_8bit_cte;
char *notes_message;
struct reflog_walk_info *reflog_info;
struct rev_info *rev;
const char *output_encoding;
struct string_list *mailmap;
int color;
@ -175,7 +178,6 @@ struct userformat_want {
};
extern int has_non_ascii(const char *text);
struct rev_info; /* in revision.h, it circularly uses enum cmit_fmt */
extern const char *logmsg_reencode(const struct commit *commit,
char **commit_encoding,
const char *output_encoding);

9
log-tree.c
View File

@ -349,11 +349,9 @@ void fmt_output_email_subject(struct strbuf *sb, struct rev_info *opt)
}
void log_write_email_headers(struct rev_info *opt, struct commit *commit,
const char **subject_p,
const char **extra_headers_p,
int *need_8bit_cte_p)
{
static struct strbuf subject = STRBUF_INIT;
const char *extra_headers = opt->extra_headers;
const char *name = oid_to_hex(opt->zero_commit ?
&null_oid : &commit->object.oid);
@ -415,9 +413,6 @@ void log_write_email_headers(struct rev_info *opt, struct commit *commit,
opt->diffopt.stat_sep = buffer;
strbuf_release(&filename);
}
strbuf_reset(&subject);
fmt_output_email_subject(&subject, opt);
*subject_p = subject.buf;
*extra_headers_p = extra_headers;
}
@ -602,8 +597,10 @@ void show_log(struct rev_info *opt)
*/
if (cmit_fmt_is_mail(opt->commit_format)) {
log_write_email_headers(opt, commit, &ctx.subject, &extra_headers,
log_write_email_headers(opt, commit, &extra_headers,
&ctx.need_8bit_cte);
ctx.rev = opt;
ctx.print_email_subject = 1;
} else if (opt->commit_format != CMIT_FMT_USERFORMAT) {
fputs(diff_get_color_opt(&opt->diffopt, DIFF_COMMIT), opt->diffopt.file);
if (opt->commit_format != CMIT_FMT_ONELINE)

1
log-tree.h
View File

@ -22,7 +22,6 @@ void format_decorations_extended(struct strbuf *sb, const struct commit *commit,
format_decorations_extended((strbuf), (commit), (color), " (", ", ", ")")
void show_decorations(struct rev_info *opt, struct commit *commit);
void log_write_email_headers(struct rev_info *opt, struct commit *commit,
const char **subject_p,
const char **extra_headers_p,
int *need_8bit_cte_p);
void load_ref_decorations(int flags);

7
pretty.c
View File

@ -1590,8 +1590,9 @@ void pp_title_line(struct pretty_print_context *pp,
pp->preserve_subject ? "\n" : " ");
strbuf_grow(sb, title.len + 1024);
if (pp->subject) {
strbuf_addstr(sb, pp->subject);
if (pp->print_email_subject) {
if (pp->rev)
fmt_output_email_subject(sb, pp->rev);
if (needs_rfc2047_encoding(title.buf, title.len, RFC2047_SUBJECT))
add_rfc2047(sb, title.buf, title.len,
encoding, RFC2047_SUBJECT);
@ -1801,7 +1802,7 @@ void pretty_print_commit(struct pretty_print_context *pp,
}
pp_header(pp, encoding, commit, &msg, sb);
if (pp->fmt != CMIT_FMT_ONELINE && !pp->subject) {
if (pp->fmt != CMIT_FMT_ONELINE && !pp->print_email_subject) {
strbuf_addch(sb, '\n');
}