diff options
| -rw-r--r-- | pretty.c | 32 | ||||
| -rwxr-xr-x | t/t4014-format-patch.sh | 84 |
2 files changed, 108 insertions, 8 deletions
@@ -216,7 +216,15 @@ static int is_rfc2047_special(char ch) static void add_rfc2047(struct strbuf *sb, const char *line, int len, const char *encoding) { - int i, last; + static const int max_length = 78; /* per rfc2822 */ + int i; + int line_len; + + /* How many bytes are already used on the current line? */ + for (i = sb->len - 1; i >= 0; i--) + if (sb->buf[i] == '\n') + break; + line_len = sb->len - (i+1); for (i = 0; i < len; i++) { int ch = line[i]; @@ -225,14 +233,21 @@ static void add_rfc2047(struct strbuf *sb, const char *line, int len, if ((i + 1 < len) && (ch == '=' && line[i+1] == '?')) goto needquote; } - strbuf_add(sb, line, len); + strbuf_add_wrapped_bytes(sb, line, len, 0, 1, max_length - line_len); return; needquote: strbuf_grow(sb, len * 3 + strlen(encoding) + 100); strbuf_addf(sb, "=?%s?q?", encoding); - for (i = last = 0; i < len; i++) { + line_len += strlen(encoding) + 5; /* 5 for =??q? */ + for (i = 0; i < len; i++) { unsigned ch = line[i] & 0xFF; + + if (line_len >= max_length - 2) { + strbuf_addf(sb, "?=\n =?%s?q?", encoding); + line_len = strlen(encoding) + 5 + 1; /* =??q? plus SP */ + } + /* * We encode ' ' using '=20' even though rfc2047 * allows using '_' for readability. Unfortunately, @@ -240,12 +255,14 @@ needquote: * leave the underscore in place. */ if (is_rfc2047_special(ch) || ch == ' ') { - strbuf_add(sb, line + last, i - last); strbuf_addf(sb, "=%02X", ch); - last = i + 1; + line_len += 3; + } + else { + strbuf_addch(sb, ch); + line_len++; } } - strbuf_add(sb, line + last, len - last); strbuf_addstr(sb, "?="); } @@ -1106,11 +1123,10 @@ void pp_title_line(enum cmit_fmt fmt, const char *encoding, int need_8bit_cte) { - const char *line_separator = (fmt == CMIT_FMT_EMAIL) ? "\n " : " "; struct strbuf title; strbuf_init(&title, 80); - *msg_p = format_subject(&title, *msg_p, line_separator); + *msg_p = format_subject(&title, *msg_p, " "); strbuf_grow(sb, title.len + 1024); if (subject) { diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh index 027c13d52..9c663677d 100755 --- a/t/t4014-format-patch.sh +++ b/t/t4014-format-patch.sh @@ -709,4 +709,88 @@ test_expect_success TTY 'format-patch --stdout paginates' ' test_path_is_missing .git/pager_used ' +test_expect_success 'format-patch handles multi-line subjects' ' + rm -rf patches/ && + echo content >>file && + for i in one two three; do echo $i; done >msg && + git add file && + git commit -F msg && + git format-patch -o patches -1 && + grep ^Subject: patches/0001-one.patch >actual && + echo "Subject: [PATCH] one two three" >expect && + test_cmp expect actual +' + +test_expect_success 'format-patch handles multi-line encoded subjects' ' + rm -rf patches/ && + echo content >>file && + for i in en två tre; do echo $i; done >msg && + git add file && + git commit -F msg && + git format-patch -o patches -1 && + grep ^Subject: patches/0001-en.patch >actual && + echo "Subject: [PATCH] =?UTF-8?q?en=20tv=C3=A5=20tre?=" >expect && + test_cmp expect actual +' + +M8="foo bar " +M64=$M8$M8$M8$M8$M8$M8$M8$M8 +M512=$M64$M64$M64$M64$M64$M64$M64$M64 +cat >expect <<'EOF' +Subject: [PATCH] foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo + bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar + foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo + bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar + foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo + bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar + foo bar foo bar foo bar foo bar foo bar foo bar foo bar foo + bar foo bar foo bar foo bar foo bar foo bar foo bar foo bar + foo bar foo bar foo bar foo bar +EOF +test_expect_success 'format-patch wraps extremely long headers (ascii)' ' + echo content >>file && + git add file && + git commit -m "$M512" && + git format-patch --stdout -1 >patch && + sed -n "/^Subject/p; /^ /p; /^$/q" <patch >subject && + test_cmp expect subject +' + +M8="föö bar " +M64=$M8$M8$M8$M8$M8$M8$M8$M8 +M512=$M64$M64$M64$M64$M64$M64$M64$M64 +cat >expect <<'EOF' +Subject: [PATCH] =?UTF-8?q?f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6=C3=B6=20bar=20f=C3=B6?= + =?UTF-8?q?=C3=B6=20bar=20f=C3=B6=C3=B6=20bar?= +EOF +test_expect_success 'format-patch wraps extremely long headers (rfc2047)' ' + rm -rf patches/ && + echo content >>file && + git add file && + git commit -m "$M512" && + git format-patch --stdout -1 >patch && + sed -n "/^Subject/p; /^ /p; /^$/q" <patch >subject && + test_cmp expect subject +' + test_done |