[PATCH 0/3] git-rev-list libification effort: the next stage

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