зеркало из https://github.com/microsoft/git.git
CMIT_FMT_EMAIL: Q-encode Subject: and display-name part of From: fields.
By convention, the commit message and the author/committer names in the commit objects are UTF-8 encoded. When formatting for e-mails, Q-encode them according to RFC 2047. While we are at it, generate the content-type and content-transfer-encoding headers as well. Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Родитель
efbff23609
Коммит
cdd406e389
79
commit.c
79
commit.c
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@ -422,6 +422,46 @@ static int get_one_line(const char *msg, unsigned long len)
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return ret;
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}
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static int is_rfc2047_special(char ch)
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{
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return ((ch & 0x80) || (ch == '=') || (ch == '?') || (ch == '_'));
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}
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static int add_rfc2047(char *buf, const char *line, int len)
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{
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char *bp = buf;
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int i, needquote;
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static const char q_utf8[] = "=?utf-8?q?";
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for (i = needquote = 0; !needquote && i < len; i++) {
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unsigned ch = line[i];
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if (ch & 0x80)
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needquote++;
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if ((i + 1 < len) &&
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(ch == '=' && line[i+1] == '?'))
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needquote++;
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}
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if (!needquote)
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return sprintf(buf, "%.*s", len, line);
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memcpy(bp, q_utf8, sizeof(q_utf8)-1);
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bp += sizeof(q_utf8)-1;
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for (i = 0; i < len; i++) {
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unsigned ch = line[i];
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if (is_rfc2047_special(ch)) {
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sprintf(bp, "=%02X", ch);
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bp += 3;
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}
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else if (ch == ' ')
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*bp++ = '_';
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else
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*bp++ = ch;
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}
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memcpy(bp, "?=", 2);
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bp += 2;
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return bp - buf;
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}
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static int add_user_info(const char *what, enum cmit_fmt fmt, char *buf, const char *line)
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{
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char *date;
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@ -440,12 +480,26 @@ static int add_user_info(const char *what, enum cmit_fmt fmt, char *buf, const c
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tz = strtol(date, NULL, 10);
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if (fmt == CMIT_FMT_EMAIL) {
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what = "From";
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char *name_tail = strchr(line, '<');
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int display_name_length;
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if (!name_tail)
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return 0;
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while (line < name_tail && isspace(name_tail[-1]))
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name_tail--;
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display_name_length = name_tail - line;
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filler = "";
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strcpy(buf, "From: ");
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ret = strlen(buf);
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ret += add_rfc2047(buf + ret, line, display_name_length);
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memcpy(buf + ret, name_tail, namelen - display_name_length);
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ret += namelen - display_name_length;
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buf[ret++] = '\n';
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}
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else {
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ret = sprintf(buf, "%s: %.*s%.*s\n", what,
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(fmt == CMIT_FMT_FULLER) ? 4 : 0,
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filler, namelen, line);
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}
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ret = sprintf(buf, "%s: %.*s%.*s\n", what,
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(fmt == CMIT_FMT_FULLER) ? 4 : 0,
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filler, namelen, line);
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switch (fmt) {
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case CMIT_FMT_MEDIUM:
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ret += sprintf(buf + ret, "Date: %s\n", show_date(time, tz));
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@ -584,13 +638,24 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit
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int slen = strlen(subject);
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memcpy(buf + offset, subject, slen);
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offset += slen;
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offset += add_rfc2047(buf + offset, line, linelen);
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}
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else {
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memset(buf + offset, ' ', indent);
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memcpy(buf + offset + indent, line, linelen);
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offset += linelen + indent;
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}
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memset(buf + offset, ' ', indent);
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memcpy(buf + offset + indent, line, linelen);
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offset += linelen + indent;
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buf[offset++] = '\n';
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if (fmt == CMIT_FMT_ONELINE)
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break;
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if (subject) {
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static const char header[] =
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"Content-Type: text/plain; charset=UTF-8\n"
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"Content-Transfer-Encoding: 8bit\n";
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memcpy(buf + offset, header, sizeof(header)-1);
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offset += sizeof(header)-1;
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subject = NULL;
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}
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if (after_subject) {
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int slen = strlen(after_subject);
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if (slen > space - offset - 1)
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