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Merge branch 'jk/mailsplit-maildir-muttsort'

Sort filenames read from the maildir/ in a way that is more likely
to sort messages in the order the writing MUA meant to, by sorting
numeric segment in numeric order and non-numeric segment in
alphabetical order.

* jk/mailsplit-maildir-muttsort:
  mailsplit: sort maildir filenames more cleverly
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2 parents e9bebbb + 18505c3 commit 8115c9386c7ed23aa00b84f7693c5a885edb12f1 @gitster gitster committed Mar 21, 2013
Showing with 23 additions and 0 deletions.
  1. +23 −0 builtin/mailsplit.c
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@@ -130,6 +130,27 @@ static int populate_maildir_list(struct string_list *list, const char *path)
return 0;
}
+static int maildir_filename_cmp(const char *a, const char *b)
+{
+ while (*a && *b) {
+ if (isdigit(*a) && isdigit(*b)) {
+ long int na, nb;
+ na = strtol(a, (char **)&a, 10);
+ nb = strtol(b, (char **)&b, 10);
+ if (na != nb)
+ return na - nb;
+ /* strtol advanced our pointers */
+ }
+ else {
+ if (*a != *b)
+ return (unsigned char)*a - (unsigned char)*b;
+ a++;
+ b++;
+ }
+ }
+ return (unsigned char)*a - (unsigned char)*b;
+}
+
static int split_maildir(const char *maildir, const char *dir,
int nr_prec, int skip)
{
@@ -139,6 +160,8 @@ static int split_maildir(const char *maildir, const char *dir,
int i;
struct string_list list = STRING_LIST_INIT_DUP;
+ list.cmp = maildir_filename_cmp;
+
if (populate_maildir_list(&list, maildir) < 0)
goto out;

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