Ok, the following three patches that I'll send out are still pretty rough,
but they actually get us to the first real point of this whole exercise:
writing one of the trivial git helper scripts in C.
In particular, at the end, we have "git log" being implemented as this
trivial C function:
#define LOGSIZE (65536)
static int cmd_log(int argc, char **argv, char **envp)
{
struct rev_info rev;
struct commit *commit;
char *buf = xmalloc(LOGSIZE);
argc = setup_revisions(argc, argv, &rev, "HEAD");
prepare_revision_walk(&rev);
setup_pager();
while ((commit = get_revision(&rev)) != NULL) {
pretty_print_commit(CMIT_FMT_DEFAULT, commit, ~0, buf, LOGSIZE, 18);
printf("%s\n", buf);
}
free(buf);
return 0;
}
which is actually a pretty good example of what I wanted to do. It's
not perfect yet (it doesn't parse the "--pretty=xxx" option yet, nor the
"--since" and "--until" dates, for example), but I think this is all
going in the right direction.
Linus
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