Move 'builtin-*' into a 'builtin/' subdirectory

This shrinks the top-level directory a bit, and makes it much more
pleasant to use auto-completion on the thing. Instead of

	[torvalds@nehalem git]$ em buil<tab>
	Display all 180 possibilities? (y or n)
	[torvalds@nehalem git]$ em builtin-sh
	builtin-shortlog.c     builtin-show-branch.c  builtin-show-ref.c
	builtin-shortlog.o     builtin-show-branch.o  builtin-show-ref.o
	[torvalds@nehalem git]$ em builtin-shor<tab>
	builtin-shortlog.c  builtin-shortlog.o
	[torvalds@nehalem git]$ em builtin-shortlog.c

you get

	[torvalds@nehalem git]$ em buil<tab>		[type]
	builtin/   builtin.h
	[torvalds@nehalem git]$ em builtin		[auto-completes to]
	[torvalds@nehalem git]$ em builtin/sh<tab>	[type]
	shortlog.c     shortlog.o     show-branch.c  show-branch.o  show-ref.c     show-ref.o
	[torvalds@nehalem git]$ em builtin/sho		[auto-completes to]
	[torvalds@nehalem git]$ em builtin/shor<tab>	[type]
	shortlog.c  shortlog.o
	[torvalds@nehalem git]$ em builtin/shortlog.c

which doesn't seem all that different, but not having that annoying
break in "Display all 180 possibilities?" is quite a relief.

NOTE! If you do this in a clean tree (no object files etc), or using an
editor that has auto-completion rules that ignores '*.o' files, you
won't see that annoying 'Display all 180 possibilities?' message - it
will just show the choices instead.  I think bash has some cut-off
around 100 choices or something.

So the reason I see this is that I'm using an odd editory, and thus
don't have the rules to cut down on auto-completion.  But you can
simulate that by using 'ls' instead, or something similar.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 0 insertions, 63 deletions

diff --git a/builtin-merge-base.c b/builtin-merge-base.c
deleted file mode 100644
index 54e7ec223..000000000
--- a/builtin-merge-base.c
+++ /dev/null
@@ -1,63 +0,0 @@
-#include "builtin.h"
-#include "cache.h"
-#include "commit.h"
-#include "parse-options.h"
-
-static int show_merge_base(struct commit **rev, int rev_nr, int show_all)
-{
-	struct commit_list *result;
-
-	result = get_merge_bases_many(rev[0], rev_nr - 1, rev + 1, 0);
-
-	if (!result)
-		return 1;
-
-	while (result) {
-		printf("%s\n", sha1_to_hex(result->item->object.sha1));
-		if (!show_all)
-			return 0;
-		result = result->next;
-	}
-
-	return 0;
-}
-
-static const char * const merge_base_usage[] = {
-	"git merge-base [-a|--all] <commit> <commit>...",
-	NULL
-};
-
-static struct commit *get_commit_reference(const char *arg)
-{
-	unsigned char revkey[20];
-	struct commit *r;
-
-	if (get_sha1(arg, revkey))
-		die("Not a valid object name %s", arg);
-	r = lookup_commit_reference(revkey);
-	if (!r)
-		die("Not a valid commit name %s", arg);
-
-	return r;
-}
-
-int cmd_merge_base(int argc, const char **argv, const char *prefix)
-{
-	struct commit **rev;
-	int rev_nr = 0;
-	int show_all = 0;
-
-	struct option options[] = {
-		OPT_BOOLEAN('a', "all", &show_all, "outputs all common ancestors"),
-		OPT_END()
-	};
-
-	git_config(git_default_config, NULL);
-	argc = parse_options(argc, argv, prefix, options, merge_base_usage, 0);
-	if (argc < 2)
-		usage_with_options(merge_base_usage, options);
-	rev = xmalloc(argc * sizeof(*rev));
-	while (argc-- > 0)
-		rev[rev_nr++] = get_commit_reference(*argv++);
-	return show_merge_base(rev, rev_nr, show_all);
-}