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-rw-r--r--commit.c172
1 files changed, 146 insertions, 26 deletions
diff --git a/commit.c b/commit.c
index 2717dd81c3..94f470b75c 100644
--- a/commit.c
+++ b/commit.c
@@ -22,23 +22,34 @@ struct sort_node
const char *commit_type = "commit";
+struct cmt_fmt_map {
+ const char *n;
+ size_t cmp_len;
+ enum cmit_fmt v;
+} cmt_fmts[] = {
+ { "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 },
+};
+
enum cmit_fmt get_commit_format(const char *arg)
{
- if (!*arg)
+ int i;
+
+ if (!arg || !*arg)
return CMIT_FMT_DEFAULT;
- if (!strcmp(arg, "=raw"))
- return CMIT_FMT_RAW;
- if (!strcmp(arg, "=medium"))
- return CMIT_FMT_MEDIUM;
- if (!strcmp(arg, "=short"))
- return CMIT_FMT_SHORT;
- if (!strcmp(arg, "=full"))
- return CMIT_FMT_FULL;
- if (!strcmp(arg, "=fuller"))
- return CMIT_FMT_FULLER;
- if (!strcmp(arg, "=oneline"))
- return CMIT_FMT_ONELINE;
- die("invalid --pretty format");
+ if (*arg == '=')
+ arg++;
+ for (i = 0; i < ARRAY_SIZE(cmt_fmts); i++) {
+ if (!strncmp(arg, cmt_fmts[i].n, cmt_fmts[i].cmp_len))
+ return cmt_fmts[i].v;
+ }
+
+ die("invalid --pretty format: %s", arg);
}
static struct commit *check_commit(struct object *obj,
@@ -411,6 +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;
@@ -428,13 +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;
@@ -445,10 +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;
}
@@ -457,7 +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:");
@@ -476,13 +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;
@@ -506,7 +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;
}
@@ -544,20 +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--;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 01:15:21 +0000