diff options
-rw-r--r-- | pretty.c | 61 | ||||
-rwxr-xr-x | t/t4014-format-patch.sh | 43 |
2 files changed, 103 insertions, 1 deletions
@@ -208,6 +208,58 @@ int has_non_ascii(const char *s) return 0; } +static int is_rfc822_special(char ch) +{ + switch (ch) { + case '(': + case ')': + case '<': + case '>': + case '[': + case ']': + case ':': + case ';': + case '@': + case ',': + case '.': + case '"': + case '\\': + return 1; + default: + return 0; + } +} + +static int has_rfc822_specials(const char *s, int len) +{ + int i; + for (i = 0; i < len; i++) + if (is_rfc822_special(s[i])) + return 1; + return 0; +} + +static void add_rfc822_quoted(struct strbuf *out, const char *s, int len) +{ + int i; + + /* just a guess, we may have to also backslash-quote */ + strbuf_grow(out, len + 2); + + strbuf_addch(out, '"'); + for (i = 0; i < len; i++) { + switch (s[i]) { + case '"': + case '\\': + strbuf_addch(out, '\\'); + /* fall through */ + default: + strbuf_addch(out, s[i]); + } + } + strbuf_addch(out, '"'); +} + static int is_rfc2047_special(char ch) { return (non_ascii(ch) || (ch == '=') || (ch == '?') || (ch == '_')); @@ -294,7 +346,14 @@ void pp_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb, name_tail--; display_name_length = name_tail - line; strbuf_addstr(sb, "From: "); - add_rfc2047(sb, line, display_name_length, encoding); + if (!has_rfc822_specials(line, display_name_length)) { + add_rfc2047(sb, line, display_name_length, encoding); + } else { + struct strbuf quoted = STRBUF_INIT; + add_rfc822_quoted("ed, line, display_name_length); + add_rfc2047(sb, quoted.buf, quoted.len, encoding); + strbuf_release("ed); + } for (final_line = 0; final_line < sb->len; final_line++) if (sb->buf[sb->len - final_line - 1] == '\n') break; diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh index a7060b75be..045cee312c 100755 --- a/t/t4014-format-patch.sh +++ b/t/t4014-format-patch.sh @@ -808,4 +808,47 @@ test_expect_success 'format-patch wraps non-quotable headers' ' sed -n "/^From: /p; /^ /p; /^$/q" <patch >from && test_cmp expect from ' + +check_author() { + echo content >>file && + git add file && + GIT_AUTHOR_NAME=$1 git commit -m author-check && + git format-patch --stdout -1 >patch && + grep ^From: patch >actual && + test_cmp expect actual +} + +cat >expect <<'EOF' +From: "Foo B. Bar" <author@example.com> +EOF +test_expect_success 'format-patch quotes dot in headers' ' + check_author "Foo B. Bar" +' + +cat >expect <<'EOF' +From: "Foo \"The Baz\" Bar" <author@example.com> +EOF +test_expect_success 'format-patch quotes double-quote in headers' ' + check_author "Foo \"The Baz\" Bar" +' + +cat >expect <<'EOF' +From: =?UTF-8?q?"F=C3=B6o=20B.=20Bar"?= <author@example.com> +EOF +test_expect_success 'rfc2047-encoded headers also double-quote 822 specials' ' + check_author "Föo B. Bar" +' + +cat >expect <<'EOF' +Subject: header with . in it +EOF +test_expect_success 'subject lines do not have 822 atom-quoting' ' + echo content >>file && + git add file && + git commit -m "header with . in it" && + git format-patch -k -1 --stdout >patch && + grep ^Subject: patch >actual && + test_cmp expect actual +' + test_done |