Question about fixing windows bug reading graft data

Hi All,
	Ran into a bug trying to use grafts on windows with cygwin git
version 1.6.1.2.  I've verified that the bug is still there in the
latest source, and was going to submit a patch, but then I noticed that
there seem to be more occurrences in commit.c, and wondered if there was
a better way to fix it than what I had first come up with.

The bug, is that in in commit.c, the code strips '\n', but not '\r', so
the code says the graft data is bad:
struct commit_graft *read_graft_line(char *buf, int len) {
        /* The format is just "Commit Parent1 Parent2 ...\n" */
        int i;
        struct commit_graft *graft = NULL;

        if (buf[len-1] == '\n')
                buf[--len] = 0;
        if (buf[0] == '#' || buf[0] == '\0')
                return NULL;
        if ((len + 1) % 41) {
        bad_graft_data:
                error("bad graft data: %s", buf);
                free(graft);
                return NULL;
        }

My first plan was to fix it the way that xdiff-interface.c handles it,
assuming that was "the Git way" to deal with CRLF:
        /* Exclude terminating newline (and cr) from matching */
        if (len > 0 && line[len-1] == '\n') {
                if (len > 1 && line[len-2] == '\r')
                        len -= 2;
                else
                        len--;
        }

But I noticed that there seemed to be several checks for '\n' in commit.c that didn't check for '\r', and wondered if there was a reason, or if there'd be a better way to handle it.....

--
 
Kelly F. Hickel
Senior Product Architect
MQSoftware, Inc.
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