* It just splits a mbox into a list of files: "0001" "0002" ..
* so you can process them further from there.
*/
-#include <unistd.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <string.h>
-#include <stdio.h>
#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] -o<directory> <mbox>...";
+"git mailsplit [-d<prec>] [-f<n>] [-b] -o<directory> [<mbox>|<Maildir>...]";
static int is_from_line(const char *line, int len)
{
return 1;
}
-/* Could be as small as 64, enough to hold a Unix "From " line. */
-static char buf[4096];
+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
static int split_one(FILE *mbox, const char *name, int allow_bare)
{
FILE *output = NULL;
- int len = strlen(buf);
int fd;
int status = 0;
- int is_bare = !is_from_line(buf, len);
+ 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("cannot open output file %s", name);
- output = fdopen(fd, "w");
+ 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 (;;) {
- int is_partial = (buf[len-1] != '\n');
+ 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 (fputs(buf, output) == EOF)
- die("cannot write output");
+ if (fwrite(buf.buf, 1, buf.len, output) != buf.len)
+ die_errno("cannot write output");
- if (fgets(buf, sizeof(buf), mbox) == NULL) {
+ if (strbuf_getwholeline(&buf, mbox, '\n')) {
if (feof(mbox)) {
status = 1;
break;
}
- die("cannot read mbox");
+ die_errno("cannot read mbox");
}
- len = strlen(buf);
- if (!is_partial && !is_bare && is_from_line(buf, len))
+ if (!is_bare && is_from_line(buf.buf, buf.len))
break; /* done with one message */
}
fclose(output);
exit(1);
}
-int split_mbox(const char **mbox, const char *dir, int allow_bare, int nr_prec, int skip)
+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(name, list);
+ }
+
+ closedir(dir);
+ }
+
+ return 0;
+}
+
+static int split_maildir(const char *maildir, const char *dir,
+ int nr_prec, int skip)
{
- char *name = xmalloc(strlen(dir) + 2 + 3 * sizeof(skip));
+ char file[PATH_MAX];
+ char name[PATH_MAX];
int ret = -1;
+ int i;
+ struct string_list list = {NULL, 0, 0, 1};
- while (*mbox) {
- const char *file = *mbox++;
- FILE *f = !strcmp(file, "-") ? stdin : fopen(file, "r");
- int file_done = 0;
+ if (populate_maildir_list(&list, maildir) < 0)
+ goto out;
- if ( !f ) {
- error("cannot open mbox %s", file);
+ 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 (fgets(buf, sizeof(buf), f) == NULL) {
- if (f == stdin)
- break; /* empty stdin is OK */
- error("cannot read mbox %s", file);
+ if (strbuf_getwholeline(&buf, f, '\n')) {
+ error("cannot read mail %s (%s)", file, strerror(errno));
goto out;
}
- while (!file_done) {
- sprintf(name, "%s/%0*d", dir, nr_prec, ++skip);
- file_done = split_one(f, name, allow_bare);
+ 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;
+ }
- if (f != stdin)
- fclose(f);
+ 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:
- free(name);
return ret;
}
-int cmd_mailsplit(int argc, const char **argv, char **envp)
+
+int cmd_mailsplit(int argc, const char **argv, const char *prefix)
{
- int nr = 0, nr_prec = 4, ret;
+ int nr = 0, nr_prec = 4, num = 0;
int allow_bare = 0;
const char *dir = NULL;
const char **argp;
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 = stdin_only;
}
- ret = split_mbox(argp, dir, allow_bare, nr_prec, nr);
- if (ret != -1)
- printf("%d\n", ret);
+ 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 ret == -1;
+ return 0;
}