diff options
Diffstat (limited to 'commit.c')
| -rw-r--r-- | commit.c | 134 |
1 files changed, 122 insertions, 12 deletions
@@ -30,6 +30,7 @@ struct cmt_fmt_map { { "raw", 1, CMIT_FMT_RAW }, { "medium", 1, CMIT_FMT_MEDIUM }, { "short", 1, CMIT_FMT_SHORT }, + { "email", 1, CMIT_FMT_EMAIL }, { "full", 5, CMIT_FMT_FULL }, { "fuller", 5, CMIT_FMT_FULLER }, { "oneline", 1, CMIT_FMT_ONELINE }, @@ -421,6 +422,46 @@ static int get_one_line(const char *msg, unsigned long len) return ret; } +static int is_rfc2047_special(char ch) +{ + return ((ch & 0x80) || (ch == '=') || (ch == '?') || (ch == '_')); +} + +static int add_rfc2047(char *buf, const char *line, int len) +{ + char *bp = buf; + int i, needquote; + static const char q_utf8[] = "=?utf-8?q?"; + + for (i = needquote = 0; !needquote && i < len; i++) { + unsigned ch = line[i]; + if (ch & 0x80) + needquote++; + if ((i + 1 < len) && + (ch == '=' && line[i+1] == '?')) + needquote++; + } + if (!needquote) + return sprintf(buf, "%.*s", len, line); + + memcpy(bp, q_utf8, sizeof(q_utf8)-1); + bp += sizeof(q_utf8)-1; + for (i = 0; i < len; i++) { + unsigned ch = line[i]; + if (is_rfc2047_special(ch)) { + sprintf(bp, "=%02X", ch); + bp += 3; + } + else if (ch == ' ') + *bp++ = '_'; + else + *bp++ = ch; + } + memcpy(bp, "?=", 2); + bp += 2; + return bp - buf; +} + static int add_user_info(const char *what, enum cmit_fmt fmt, char *buf, const char *line) { char *date; @@ -438,13 +479,35 @@ static int add_user_info(const char *what, enum cmit_fmt fmt, char *buf, const c time = strtoul(date, &date, 10); tz = strtol(date, NULL, 10); - ret = sprintf(buf, "%s: %.*s%.*s\n", what, - (fmt == CMIT_FMT_FULLER) ? 4 : 0, - filler, namelen, line); + if (fmt == CMIT_FMT_EMAIL) { + char *name_tail = strchr(line, '<'); + int display_name_length; + if (!name_tail) + return 0; + while (line < name_tail && isspace(name_tail[-1])) + name_tail--; + display_name_length = name_tail - line; + filler = ""; + strcpy(buf, "From: "); + ret = strlen(buf); + ret += add_rfc2047(buf + ret, line, display_name_length); + memcpy(buf + ret, name_tail, namelen - display_name_length); + ret += namelen - display_name_length; + buf[ret++] = '\n'; + } + else { + ret = sprintf(buf, "%s: %.*s%.*s\n", what, + (fmt == CMIT_FMT_FULLER) ? 4 : 0, + filler, namelen, line); + } switch (fmt) { case CMIT_FMT_MEDIUM: ret += sprintf(buf + ret, "Date: %s\n", show_date(time, tz)); break; + case CMIT_FMT_EMAIL: + ret += sprintf(buf + ret, "Date: %s\n", + show_rfc2822_date(time, tz)); + break; case CMIT_FMT_FULLER: ret += sprintf(buf + ret, "%sDate: %s\n", what, show_date(time, tz)); break; @@ -455,10 +518,12 @@ static int add_user_info(const char *what, enum cmit_fmt fmt, char *buf, const c return ret; } -static int is_empty_line(const char *line, int len) +static int is_empty_line(const char *line, int *len_p) { + int len = *len_p; while (len && isspace(line[len-1])) len--; + *len_p = len; return !len; } @@ -467,7 +532,8 @@ static int add_merge_info(enum cmit_fmt fmt, char *buf, const struct commit *com struct commit_list *parent = commit->parents; int offset; - if ((fmt == CMIT_FMT_ONELINE) || !parent || !parent->next) + if ((fmt == CMIT_FMT_ONELINE) || (fmt == CMIT_FMT_EMAIL) || + !parent || !parent->next) return 0; offset = sprintf(buf, "Merge:"); @@ -486,13 +552,30 @@ static int add_merge_info(enum cmit_fmt fmt, char *buf, const struct commit *com return offset; } -unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit, unsigned long len, char *buf, unsigned long space, int abbrev) +unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit, unsigned long len, char *buf, unsigned long space, int abbrev, const char *subject, const char *after_subject) { int hdr = 1, body = 0; unsigned long offset = 0; - int indent = (fmt == CMIT_FMT_ONELINE) ? 0 : 4; + int indent = 4; int parents_shown = 0; const char *msg = commit->buffer; + int plain_non_ascii = 0; + + if (fmt == CMIT_FMT_ONELINE || fmt == CMIT_FMT_EMAIL) + indent = 0; + + /* After-subject is used to pass in Content-Type: multipart + * MIME header; in that case we do not have to do the + * plaintext content type even if the commit message has + * non 7-bit ASCII character. Otherwise, check if we need + * to say this is not a 7-bit ASCII. + */ + if (fmt == CMIT_FMT_EMAIL && !after_subject) { + int i; + for (i = 0; !plain_non_ascii && msg[i] && i < len; i++) + if (msg[i] & 0x80) + plain_non_ascii = 1; + } for (;;) { const char *line = msg; @@ -516,7 +599,7 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit if (hdr) { if (linelen == 1) { hdr = 0; - if (fmt != CMIT_FMT_ONELINE) + if ((fmt != CMIT_FMT_ONELINE) && !subject) buf[offset++] = '\n'; continue; } @@ -554,20 +637,47 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit continue; } - if (is_empty_line(line, linelen)) { + if (is_empty_line(line, &linelen)) { if (!body) continue; + if (subject) + continue; if (fmt == CMIT_FMT_SHORT) break; } else { body = 1; } - memset(buf + offset, ' ', indent); - memcpy(buf + offset + indent, line, linelen); - offset += linelen + indent; + if (subject) { + int slen = strlen(subject); + memcpy(buf + offset, subject, slen); + offset += slen; + offset += add_rfc2047(buf + offset, line, linelen); + } + else { + memset(buf + offset, ' ', indent); + memcpy(buf + offset + indent, line, linelen); + offset += linelen + indent; + } + buf[offset++] = '\n'; if (fmt == CMIT_FMT_ONELINE) break; + if (subject && plain_non_ascii) { + static const char header[] = + "Content-Type: text/plain; charset=UTF-8\n" + "Content-Transfer-Encoding: 8bit\n"; + memcpy(buf + offset, header, sizeof(header)-1); + offset += sizeof(header)-1; + } + if (after_subject) { + int slen = strlen(after_subject); + if (slen > space - offset - 1) + slen = space - offset - 1; + memcpy(buf + offset, after_subject, slen); + offset += slen; + after_subject = NULL; + } + subject = NULL; } while (offset && isspace(buf[offset-1])) offset--; |