[PATCH] generate a valid rfc2047 mail header for multi-line subject.
There is still a problem that git-am will lost the line break.
It's not easy to retain it, but as the first step, we can generate
a valid rfc2047 header now.
---
pretty.c | 29 ++++++++++++++++++++++++++++-
1 files changed, 28 insertions(+), 1 deletions(-)
diff --git a/pretty.c b/pretty.c
index 8549934..f18a38d 100644
--- a/pretty.c
+++ b/pretty.c
@@ -249,6 +249,33 @@ needquote:
strbuf_addstr(sb, "?=");
}
+static void add_rfc2047_multiline(struct strbuf *sb, const char *line, int len,
+ const char *encoding)
+{
+ int first = 1;
+ char *mline = xmemdupz(line, len);
+ const char *cline = mline;
+ int offset = 0, linelen = 0;
+ for (;;) {
+ linelen = get_one_line(cline);
+
+ cline += linelen;
+
+ if (!linelen)
+ break;
+
+ if (!first)
+ strbuf_addf(sb, "\n ");
+
+ offset = *(cline -1) == '\n';
+
+ add_rfc2047(sb, cline-linelen, linelen-offset, encoding);
+ first = 0;
+
+ }
+ free(mline);
+}
+
void pp_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb,
const char *line, enum date_mode dmode,
const char *encoding)
@@ -1115,7 +1142,7 @@ void pp_title_line(enum cmit_fmt fmt,
strbuf_grow(sb, title.len + 1024);
if (subject) {
strbuf_addstr(sb, subject);
- add_rfc2047(sb, title.buf, title.len, encoding);
+ add_rfc2047_multiline(sb, title.buf, title.len, encoding);
} else {
strbuf_addbuf(sb, &title);
}
--
1.7.4.52.g00e6e.dirty