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diff --git a/builtin-mailinfo.c b/builtin-mailinfo.c
index 92637ac0bae82d0b88e267b572a51a75299cda5c..ce2ef6bede40fde8823336bc85762bd3e7cd4760 100644 (file)
--- a/builtin-mailinfo.c
+++ b/builtin-mailinfo.c
static FILE *cmitmsg, *patchfile, *fin, *fout;
static int keep_subject;
+static int keep_non_patch_brackets_in_subject;
static const char *metainfo_charset;
static struct strbuf line = STRBUF_INIT;
static struct strbuf name = STRBUF_INIT;
static struct strbuf charset = STRBUF_INIT;
static int patch_lines;
static struct strbuf **p_hdr_data, **s_hdr_data;
+static int use_scissors;
+static int use_inbody_headers = 1;
#define MAX_HDR_PARSED 10
#define MAX_BOUNDARIES 5
static void cleanup_subject(struct strbuf *subject)
{
- char *pos;
- size_t remove;
- while (subject->len) {
- switch (*subject->buf) {
+ size_t at = 0;
+
+ while (at < subject->len) {
+ char *pos;
+ size_t remove;
+
+ switch (subject->buf[at]) {
case 'r': case 'R':
- if (subject->len <= 3)
+ if (subject->len <= at + 3)
break;
- if (!memcmp(subject->buf + 1, "e:", 2)) {
- strbuf_remove(subject, 0, 3);
+ if (!memcmp(subject->buf + at + 1, "e:", 2)) {
+ strbuf_remove(subject, at, 3);
continue;
}
+ at++;
break;
case ' ': case '\t': case ':':
- strbuf_remove(subject, 0, 1);
+ strbuf_remove(subject, at, 1);
continue;
case '[':
- if ((pos = strchr(subject->buf, ']'))) {
- remove = pos - subject->buf;
- if (remove <= (subject->len - remove) * 2) {
- strbuf_remove(subject, 0, remove + 1);
- continue;
- }
- } else
- strbuf_remove(subject, 0, 1);
- break;
+ pos = strchr(subject->buf + at, ']');
+ if (!pos)
+ break;
+ remove = pos - subject->buf + at + 1;
+ if (!keep_non_patch_brackets_in_subject ||
+ (7 <= remove &&
+ memmem(subject->buf + at, remove, "PATCH", 5)))
+ strbuf_remove(subject, at, remove);
+ else
+ at += remove;
+ continue;
}
- strbuf_trim(subject);
- return;
+ break;
}
+ strbuf_trim(subject);
}
static void cleanup_space(struct strbuf *sb)
return 0;
}
+static int is_scissors_line(const struct strbuf *line)
+{
+ size_t i, len = line->len;
+ int scissors = 0, gap = 0;
+ int first_nonblank = -1;
+ int last_nonblank = 0, visible, perforation = 0, in_perforation = 0;
+ const char *buf = line->buf;
+
+ for (i = 0; i < len; i++) {
+ if (isspace(buf[i])) {
+ if (in_perforation) {
+ perforation++;
+ gap++;
+ }
+ continue;
+ }
+ last_nonblank = i;
+ if (first_nonblank < 0)
+ first_nonblank = i;
+ if (buf[i] == '-') {
+ in_perforation = 1;
+ perforation++;
+ continue;
+ }
+ if (i + 1 < len &&
+ (!memcmp(buf + i, ">8", 2) || !memcmp(buf + i, "8<", 2))) {
+ in_perforation = 1;
+ perforation += 2;
+ scissors += 2;
+ i++;
+ continue;
+ }
+ in_perforation = 0;
+ }
+
+ /*
+ * The mark must be at least 8 bytes long (e.g. "-- >8 --").
+ * Even though there can be arbitrary cruft on the same line
+ * (e.g. "cut here"), in order to avoid misidentification, the
+ * perforation must occupy more than a third of the visible
+ * width of the line, and dashes and scissors must occupy more
+ * than half of the perforation.
+ */
+
+ visible = last_nonblank - first_nonblank + 1;
+ return (scissors && 8 <= visible &&
+ visible < perforation * 3 &&
+ gap * 2 < perforation);
+}
+
static int handle_commit_msg(struct strbuf *line)
{
static int still_looking = 1;
return 0;
if (still_looking) {
- strbuf_ltrim(line);
- if (!line->len)
- return 0;
- if ((still_looking = check_header(line, s_hdr_data, 0)) != 0)
+ if (!line->len || (line->len == 1 && line->buf[0] == '\n'))
return 0;
}
+ if (use_inbody_headers && still_looking) {
+ still_looking = check_header(line, s_hdr_data, 0);
+ if (still_looking)
+ return 0;
+ } else
+ /* Only trim the first (blank) line of the commit message
+ * when ignoring in-body headers.
+ */
+ still_looking = 0;
+
/* normalize the log message to UTF-8. */
if (metainfo_charset)
convert_to_utf8(line, charset.buf);
+ if (use_scissors && is_scissors_line(line)) {
+ int i;
+ if (fseek(cmitmsg, 0L, SEEK_SET))
+ die_errno("Could not rewind output message file");
+ if (ftruncate(fileno(cmitmsg), 0))
+ die_errno("Could not truncate output message file at scissors");
+ still_looking = 1;
+
+ /*
+ * We may have already read "secondary headers"; purge
+ * them to give ourselves a clean restart.
+ */
+ for (i = 0; header[i]; i++) {
+ if (s_hdr_data[i])
+ strbuf_release(s_hdr_data[i]);
+ s_hdr_data[i] = NULL;
+ }
+ return 0;
+ }
+
if (patchbreak(line)) {
fclose(cmitmsg);
cmitmsg = NULL;
static void handle_body(void)
{
- int len = 0;
struct strbuf prev = STRBUF_INIT;
/* Skip up to the first boundary */
}
do {
- strbuf_setlen(&line, line.len + len);
-
/* process any boundary lines */
if (*content_top && is_multipart_boundary(&line)) {
/* flush any leftover */
handle_filter(&line);
}
- strbuf_reset(&line);
- if (strbuf_avail(&line) < 100)
- strbuf_grow(&line, 100);
- } while ((len = read_line_with_nul(line.buf, strbuf_avail(&line), fin)));
+ } while (!strbuf_getwholeline(&line, fin, '\n'));
handle_body_out:
strbuf_release(&prev);
fprintf(fout, "\n");
}
-static int mailinfo(FILE *in, FILE *out, int ks, const char *encoding,
- const char *msg, const char *patch)
+static int mailinfo(FILE *in, FILE *out, const char *msg, const char *patch)
{
int peek;
- keep_subject = ks;
- metainfo_charset = encoding;
fin = in;
fout = out;
return 0;
}
+static int git_mailinfo_config(const char *var, const char *value, void *unused)
+{
+ if (prefixcmp(var, "mailinfo."))
+ return git_default_config(var, value, unused);
+ if (!strcmp(var, "mailinfo.scissors")) {
+ use_scissors = git_config_bool(var, value);
+ return 0;
+ }
+ /* perhaps others here */
+ return 0;
+}
+
static const char mailinfo_usage[] =
- "git mailinfo [-k] [-u | --encoding=<encoding> | -n] msg patch <mail >info";
+ "git mailinfo [-k|-b] [-u | --encoding=<encoding> | -n] [--scissors | --no-scissors] msg patch < mail >info";
int cmd_mailinfo(int argc, const char **argv, const char *prefix)
{
/* NEEDSWORK: might want to do the optional .git/ directory
* discovery
*/
- git_config(git_default_config, NULL);
+ git_config(git_mailinfo_config, NULL);
def_charset = (git_commit_encoding ? git_commit_encoding : "UTF-8");
metainfo_charset = def_charset;
while (1 < argc && argv[1][0] == '-') {
if (!strcmp(argv[1], "-k"))
keep_subject = 1;
+ else if (!strcmp(argv[1], "-b"))
+ keep_non_patch_brackets_in_subject = 1;
else if (!strcmp(argv[1], "-u"))
metainfo_charset = def_charset;
else if (!strcmp(argv[1], "-n"))
metainfo_charset = NULL;
else if (!prefixcmp(argv[1], "--encoding="))
metainfo_charset = argv[1] + 11;
+ else if (!strcmp(argv[1], "--scissors"))
+ use_scissors = 1;
+ else if (!strcmp(argv[1], "--no-scissors"))
+ use_scissors = 0;
+ else if (!strcmp(argv[1], "--no-inbody-headers"))
+ use_inbody_headers = 0;
else
usage(mailinfo_usage);
argc--; argv++;
if (argc != 3)
usage(mailinfo_usage);
- return !!mailinfo(stdin, stdout, keep_subject, metainfo_charset, argv[1], argv[2]);
+ return !!mailinfo(stdin, stdout, argv[1], argv[2]);
}