mirror of
https://github.com/git/git.git
synced 2024-12-15 12:53:36 +08:00
0adda9362a
Remove some stray usage of other bracket types and asterisks for the same purpose. Signed-off-by: Štěpán Němec <stepnem@gmail.com> Acked-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
310 lines
6.3 KiB
C
310 lines
6.3 KiB
C
/*
|
|
* Totally braindamaged mbox splitter program.
|
|
*
|
|
* It just splits a mbox into a list of files: "0001" "0002" ..
|
|
* so you can process them further from there.
|
|
*/
|
|
#include "cache.h"
|
|
#include "builtin.h"
|
|
#include "string-list.h"
|
|
#include "strbuf.h"
|
|
|
|
static const char git_mailsplit_usage[] =
|
|
"git mailsplit [-d<prec>] [-f<n>] [-b] [--keep-cr] -o<directory> [(<mbox>|<Maildir>)...]";
|
|
|
|
static int is_from_line(const char *line, int len)
|
|
{
|
|
const char *colon;
|
|
|
|
if (len < 20 || memcmp("From ", line, 5))
|
|
return 0;
|
|
|
|
colon = line + len - 2;
|
|
line += 5;
|
|
for (;;) {
|
|
if (colon < line)
|
|
return 0;
|
|
if (*--colon == ':')
|
|
break;
|
|
}
|
|
|
|
if (!isdigit(colon[-4]) ||
|
|
!isdigit(colon[-2]) ||
|
|
!isdigit(colon[-1]) ||
|
|
!isdigit(colon[ 1]) ||
|
|
!isdigit(colon[ 2]))
|
|
return 0;
|
|
|
|
/* year */
|
|
if (strtol(colon+3, NULL, 10) <= 90)
|
|
return 0;
|
|
|
|
/* Ok, close enough */
|
|
return 1;
|
|
}
|
|
|
|
static struct strbuf buf = STRBUF_INIT;
|
|
static int keep_cr;
|
|
|
|
/* Called with the first line (potentially partial)
|
|
* already in buf[] -- normally that should begin with
|
|
* the Unix "From " line. Write it into the specified
|
|
* file.
|
|
*/
|
|
static int split_one(FILE *mbox, const char *name, int allow_bare)
|
|
{
|
|
FILE *output = NULL;
|
|
int fd;
|
|
int status = 0;
|
|
int is_bare = !is_from_line(buf.buf, buf.len);
|
|
|
|
if (is_bare && !allow_bare)
|
|
goto corrupt;
|
|
|
|
fd = open(name, O_WRONLY | O_CREAT | O_EXCL, 0666);
|
|
if (fd < 0)
|
|
die_errno("cannot open output file '%s'", name);
|
|
output = xfdopen(fd, "w");
|
|
|
|
/* Copy it out, while searching for a line that begins with
|
|
* "From " and having something that looks like a date format.
|
|
*/
|
|
for (;;) {
|
|
if (!keep_cr && buf.len > 1 && buf.buf[buf.len-1] == '\n' &&
|
|
buf.buf[buf.len-2] == '\r') {
|
|
strbuf_setlen(&buf, buf.len-2);
|
|
strbuf_addch(&buf, '\n');
|
|
}
|
|
|
|
if (fwrite(buf.buf, 1, buf.len, output) != buf.len)
|
|
die_errno("cannot write output");
|
|
|
|
if (strbuf_getwholeline(&buf, mbox, '\n')) {
|
|
if (feof(mbox)) {
|
|
status = 1;
|
|
break;
|
|
}
|
|
die_errno("cannot read mbox");
|
|
}
|
|
if (!is_bare && is_from_line(buf.buf, buf.len))
|
|
break; /* done with one message */
|
|
}
|
|
fclose(output);
|
|
return status;
|
|
|
|
corrupt:
|
|
if (output)
|
|
fclose(output);
|
|
unlink(name);
|
|
fprintf(stderr, "corrupt mailbox\n");
|
|
exit(1);
|
|
}
|
|
|
|
static int populate_maildir_list(struct string_list *list, const char *path)
|
|
{
|
|
DIR *dir;
|
|
struct dirent *dent;
|
|
char name[PATH_MAX];
|
|
char *subs[] = { "cur", "new", NULL };
|
|
char **sub;
|
|
|
|
for (sub = subs; *sub; ++sub) {
|
|
snprintf(name, sizeof(name), "%s/%s", path, *sub);
|
|
if ((dir = opendir(name)) == NULL) {
|
|
if (errno == ENOENT)
|
|
continue;
|
|
error("cannot opendir %s (%s)", name, strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
while ((dent = readdir(dir)) != NULL) {
|
|
if (dent->d_name[0] == '.')
|
|
continue;
|
|
snprintf(name, sizeof(name), "%s/%s", *sub, dent->d_name);
|
|
string_list_insert(list, name);
|
|
}
|
|
|
|
closedir(dir);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int split_maildir(const char *maildir, const char *dir,
|
|
int nr_prec, int skip)
|
|
{
|
|
char file[PATH_MAX];
|
|
char name[PATH_MAX];
|
|
int ret = -1;
|
|
int i;
|
|
struct string_list list = STRING_LIST_INIT_DUP;
|
|
|
|
if (populate_maildir_list(&list, maildir) < 0)
|
|
goto out;
|
|
|
|
for (i = 0; i < list.nr; i++) {
|
|
FILE *f;
|
|
snprintf(file, sizeof(file), "%s/%s", maildir, list.items[i].string);
|
|
f = fopen(file, "r");
|
|
if (!f) {
|
|
error("cannot open mail %s (%s)", file, strerror(errno));
|
|
goto out;
|
|
}
|
|
|
|
if (strbuf_getwholeline(&buf, f, '\n')) {
|
|
error("cannot read mail %s (%s)", file, strerror(errno));
|
|
goto out;
|
|
}
|
|
|
|
sprintf(name, "%s/%0*d", dir, nr_prec, ++skip);
|
|
split_one(f, name, 1);
|
|
|
|
fclose(f);
|
|
}
|
|
|
|
ret = skip;
|
|
out:
|
|
string_list_clear(&list, 1);
|
|
return ret;
|
|
}
|
|
|
|
static int split_mbox(const char *file, const char *dir, int allow_bare,
|
|
int nr_prec, int skip)
|
|
{
|
|
char name[PATH_MAX];
|
|
int ret = -1;
|
|
int peek;
|
|
|
|
FILE *f = !strcmp(file, "-") ? stdin : fopen(file, "r");
|
|
int file_done = 0;
|
|
|
|
if (!f) {
|
|
error("cannot open mbox %s", file);
|
|
goto out;
|
|
}
|
|
|
|
do {
|
|
peek = fgetc(f);
|
|
} while (isspace(peek));
|
|
ungetc(peek, f);
|
|
|
|
if (strbuf_getwholeline(&buf, f, '\n')) {
|
|
/* empty stdin is OK */
|
|
if (f != stdin) {
|
|
error("cannot read mbox %s", file);
|
|
goto out;
|
|
}
|
|
file_done = 1;
|
|
}
|
|
|
|
while (!file_done) {
|
|
sprintf(name, "%s/%0*d", dir, nr_prec, ++skip);
|
|
file_done = split_one(f, name, allow_bare);
|
|
}
|
|
|
|
if (f != stdin)
|
|
fclose(f);
|
|
|
|
ret = skip;
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
int cmd_mailsplit(int argc, const char **argv, const char *prefix)
|
|
{
|
|
int nr = 0, nr_prec = 4, num = 0;
|
|
int allow_bare = 0;
|
|
const char *dir = NULL;
|
|
const char **argp;
|
|
static const char *stdin_only[] = { "-", NULL };
|
|
|
|
for (argp = argv+1; *argp; argp++) {
|
|
const char *arg = *argp;
|
|
|
|
if (arg[0] != '-')
|
|
break;
|
|
/* do flags here */
|
|
if ( arg[1] == 'd' ) {
|
|
nr_prec = strtol(arg+2, NULL, 10);
|
|
if (nr_prec < 3 || 10 <= nr_prec)
|
|
usage(git_mailsplit_usage);
|
|
continue;
|
|
} else if ( arg[1] == 'f' ) {
|
|
nr = strtol(arg+2, NULL, 10);
|
|
} else if ( arg[1] == 'h' ) {
|
|
usage(git_mailsplit_usage);
|
|
} else if ( arg[1] == 'b' && !arg[2] ) {
|
|
allow_bare = 1;
|
|
} else if (!strcmp(arg, "--keep-cr")) {
|
|
keep_cr = 1;
|
|
} else if ( arg[1] == 'o' && arg[2] ) {
|
|
dir = arg+2;
|
|
} else if ( arg[1] == '-' && !arg[2] ) {
|
|
argp++; /* -- marks end of options */
|
|
break;
|
|
} else {
|
|
die("unknown option: %s", arg);
|
|
}
|
|
}
|
|
|
|
if ( !dir ) {
|
|
/* Backwards compatibility: if no -o specified, accept
|
|
<mbox> <dir> or just <dir> */
|
|
switch (argc - (argp-argv)) {
|
|
case 1:
|
|
dir = argp[0];
|
|
argp = stdin_only;
|
|
break;
|
|
case 2:
|
|
stdin_only[0] = argp[0];
|
|
dir = argp[1];
|
|
argp = stdin_only;
|
|
break;
|
|
default:
|
|
usage(git_mailsplit_usage);
|
|
}
|
|
} else {
|
|
/* New usage: if no more argument, parse stdin */
|
|
if ( !*argp )
|
|
argp = stdin_only;
|
|
}
|
|
|
|
while (*argp) {
|
|
const char *arg = *argp++;
|
|
struct stat argstat;
|
|
int ret = 0;
|
|
|
|
if (arg[0] == '-' && arg[1] == 0) {
|
|
ret = split_mbox(arg, dir, allow_bare, nr_prec, nr);
|
|
if (ret < 0) {
|
|
error("cannot split patches from stdin");
|
|
return 1;
|
|
}
|
|
num += (ret - nr);
|
|
nr = ret;
|
|
continue;
|
|
}
|
|
|
|
if (stat(arg, &argstat) == -1) {
|
|
error("cannot stat %s (%s)", arg, strerror(errno));
|
|
return 1;
|
|
}
|
|
|
|
if (S_ISDIR(argstat.st_mode))
|
|
ret = split_maildir(arg, dir, nr_prec, nr);
|
|
else
|
|
ret = split_mbox(arg, dir, allow_bare, nr_prec, nr);
|
|
|
|
if (ret < 0) {
|
|
error("cannot split patches from %s", arg);
|
|
return 1;
|
|
}
|
|
num += (ret - nr);
|
|
nr = ret;
|
|
}
|
|
|
|
printf("%d\n", num);
|
|
|
|
return 0;
|
|
}
|