diff --git a/Makefile b/Makefile
index 0761d6c6ed..a3ba585cee 100644
--- a/Makefile
+++ b/Makefile
@@ -173,32 +173,23 @@ SIMPLE_PROGRAMS = \
 
 # ... and all the rest that could be moved out of bindir to gitexecdir
 PROGRAMS = \
-	git-checkout-index$X \
 	git-convert-objects$X git-fetch-pack$X git-fsck-objects$X \
 	git-hash-object$X git-index-pack$X git-local-fetch$X \
 	git-merge-base$X \
-	git-merge-index$X git-mktag$X git-mktree$X git-pack-objects$X git-patch-id$X \
+	git-merge-index$X git-mktag$X git-mktree$X git-patch-id$X \
 	git-peek-remote$X git-receive-pack$X \
 	git-send-pack$X git-shell$X \
 	git-show-index$X git-ssh-fetch$X \
 	git-ssh-upload$X git-unpack-file$X \
-	git-unpack-objects$X git-update-server-info$X \
+	git-update-server-info$X \
 	git-upload-pack$X git-verify-pack$X \
-	git-symbolic-ref$X \
-	git-name-rev$X git-pack-redundant$X git-var$X \
+	git-pack-redundant$X git-var$X \
 	git-describe$X git-merge-tree$X git-blame$X git-imap-send$X
 
-BUILT_INS = git-log$X git-whatchanged$X git-show$X git-update-ref$X \
-	git-count-objects$X git-diff$X git-push$X git-mailsplit$X \
-	git-grep$X git-add$X git-rm$X git-rev-list$X git-stripspace$X \
-	git-check-ref-format$X git-rev-parse$X git-mailinfo$X \
-	git-init-db$X git-tar-tree$X git-upload-tar$X git-format-patch$X \
-	git-ls-files$X git-ls-tree$X git-get-tar-commit-id$X \
-	git-read-tree$X git-commit-tree$X git-write-tree$X \
-	git-apply$X git-show-branch$X git-diff-files$X git-update-index$X \
-	git-diff-index$X git-diff-stages$X git-diff-tree$X git-cat-file$X \
-	git-fmt-merge-msg$X git-prune$X git-mv$X git-prune-packed$X \
-	git-repo-config$X
+BUILT_INS = \
+	git-format-patch$X git-show$X git-whatchanged$X \
+	git-get-tar-commit-id$X \
+	$(patsubst builtin-%.o,git-%$X,$(BUILTIN_OBJS))
 
 # what 'all' will build and 'install' will install, in gitexecdir
 ALL_PROGRAMS = $(PROGRAMS) $(SIMPLE_PROGRAMS) $(SCRIPTS)
@@ -227,7 +218,7 @@ LIB_H = \
 	blob.h cache.h commit.h csum-file.h delta.h \
 	diff.h object.h pack.h pkt-line.h quote.h refs.h \
 	run-command.h strbuf.h tag.h tree.h git-compat-util.h revision.h \
-	tree-walk.h log-tree.h dir.h path-list.h
+	tree-walk.h log-tree.h dir.h path-list.h builtin.h
 
 DIFF_OBJS = \
 	diff.o diff-lib.o diffcore-break.o diffcore-order.o \
@@ -242,20 +233,50 @@ LIB_OBJS = \
 	server-info.o setup.o sha1_file.o sha1_name.o strbuf.o \
 	tag.o tree.o usage.o config.o environment.o ctype.o copy.o \
 	fetch-clone.o revision.o pager.o tree-walk.o xdiff-interface.o \
-	alloc.o merge-file.o path-list.o $(DIFF_OBJS)
+	alloc.o merge-file.o path-list.o help.o $(DIFF_OBJS)
 
 BUILTIN_OBJS = \
-	builtin-log.o builtin-help.o builtin-count.o builtin-diff.o builtin-push.o \
-	builtin-grep.o builtin-add.o builtin-rev-list.o builtin-check-ref-format.o \
-	builtin-rm.o builtin-init-db.o builtin-rev-parse.o \
-	builtin-tar-tree.o builtin-upload-tar.o builtin-update-index.o \
-	builtin-ls-files.o builtin-ls-tree.o builtin-write-tree.o \
-	builtin-read-tree.o builtin-commit-tree.o builtin-mailinfo.o \
-	builtin-apply.o builtin-show-branch.o builtin-diff-files.o \
-	builtin-diff-index.o builtin-diff-stages.o builtin-diff-tree.o \
-	builtin-cat-file.o builtin-mailsplit.o builtin-stripspace.o \
-	builtin-update-ref.o builtin-fmt-merge-msg.o builtin-prune.o \
-	builtin-mv.o builtin-prune-packed.o builtin-repo-config.o
+	builtin-add.o \
+	builtin-apply.o \
+	builtin-cat-file.o \
+	builtin-checkout-index.o \
+	builtin-check-ref-format.o \
+	builtin-commit-tree.o \
+	builtin-count-objects.o \
+	builtin-diff.o \
+	builtin-diff-files.o \
+	builtin-diff-index.o \
+	builtin-diff-stages.o \
+	builtin-diff-tree.o \
+	builtin-fmt-merge-msg.o \
+	builtin-grep.o \
+	builtin-init-db.o \
+	builtin-log.o \
+	builtin-ls-files.o \
+	builtin-ls-tree.o \
+	builtin-mailinfo.o \
+	builtin-mailsplit.o \
+	builtin-mv.o \
+	builtin-name-rev.o \
+	builtin-pack-objects.o \
+	builtin-prune.o \
+	builtin-prune-packed.o \
+	builtin-push.o \
+	builtin-read-tree.o \
+	builtin-repo-config.o \
+	builtin-rev-list.o \
+	builtin-rev-parse.o \
+	builtin-rm.o \
+	builtin-show-branch.o \
+	builtin-stripspace.o \
+	builtin-symbolic-ref.o \
+	builtin-tar-tree.o \
+	builtin-unpack-objects.o \
+	builtin-update-index.o \
+	builtin-update-ref.o \
+	builtin-upload-tar.o \
+	builtin-verify-pack.o \
+	builtin-write-tree.o
 
 GITLIBS = $(LIB_FILE) $(XDIFF_LIB)
 LIBS = $(GITLIBS) -lz
@@ -536,7 +557,7 @@ git$X: git.c common-cmds.h $(BUILTIN_OBJS) $(GITLIBS) GIT-CFLAGS
 		$(ALL_CFLAGS) -o $@ $(filter %.c,$^) \
 		$(BUILTIN_OBJS) $(ALL_LDFLAGS) $(LIBS)
 
-builtin-help.o: common-cmds.h
+help.o: common-cmds.h
 
 $(BUILT_INS): git$X
 	rm -f $@ && ln git$X $@
diff --git a/checkout-index.c b/builtin-checkout-index.c
similarity index 92%
rename from checkout-index.c
rename to builtin-checkout-index.c
index dfb1c44415..8d0dbad49e 100644
--- a/checkout-index.c
+++ b/builtin-checkout-index.c
@@ -42,8 +42,6 @@
 #include "cache-tree.h"
 
 #define CHECKOUT_ALL 4
-static const char *prefix;
-static int prefix_length;
 static int line_termination = '\n';
 static int checkout_stage; /* default to checkout stage0 */
 static int to_tempfile;
@@ -51,7 +49,7 @@ static char topath[4][MAXPATHLEN+1];
 
 static struct checkout state;
 
-static void write_tempfile_record (const char *name)
+static void write_tempfile_record(const char *name, int prefix_length)
 {
 	int i;
 
@@ -77,7 +75,7 @@ static void write_tempfile_record (const char *name)
 	}
 }
 
-static int checkout_file(const char *name)
+static int checkout_file(const char *name, int prefix_length)
 {
 	int namelen = strlen(name);
 	int pos = cache_name_pos(name, namelen);
@@ -106,7 +104,7 @@ static int checkout_file(const char *name)
 
 	if (did_checkout) {
 		if (to_tempfile)
-			write_tempfile_record(name);
+			write_tempfile_record(name, prefix_length);
 		return errs > 0 ? -1 : 0;
 	}
 
@@ -124,7 +122,7 @@ static int checkout_file(const char *name)
 	return -1;
 }
 
-static int checkout_all(void)
+static int checkout_all(const char *prefix, int prefix_length)
 {
 	int i, errs = 0;
 	struct cache_entry* last_ce = NULL;
@@ -141,7 +139,7 @@ static int checkout_all(void)
 		if (last_ce && to_tempfile) {
 			if (ce_namelen(last_ce) != ce_namelen(ce)
 			    || memcmp(last_ce->name, ce->name, ce_namelen(ce)))
-				write_tempfile_record(last_ce->name);
+				write_tempfile_record(last_ce->name, prefix_length);
 		}
 		if (checkout_entry(ce, &state,
 		    to_tempfile ? topath[ce_stage(ce)] : NULL) < 0)
@@ -149,7 +147,7 @@ static int checkout_all(void)
 		last_ce = ce;
 	}
 	if (last_ce && to_tempfile)
-		write_tempfile_record(last_ce->name);
+		write_tempfile_record(last_ce->name, prefix_length);
 	if (errs)
 		/* we have already done our error reporting.
 		 * exit with the same code as die().
@@ -163,16 +161,16 @@ static const char checkout_cache_usage[] =
 
 static struct lock_file lock_file;
 
-int main(int argc, char **argv)
+int cmd_checkout_index(int argc, const char **argv, const char *prefix)
 {
 	int i;
 	int newfd = -1;
 	int all = 0;
 	int read_from_stdin = 0;
+	int prefix_length;
 
-	state.base_dir = "";
-	prefix = setup_git_directory();
 	git_config(git_default_config);
+	state.base_dir = "";
 	prefix_length = prefix ? strlen(prefix) : 0;
 
 	if (read_cache() < 0) {
@@ -270,7 +268,7 @@ int main(int argc, char **argv)
 		if (read_from_stdin)
 			die("git-checkout-index: don't mix '--stdin' and explicit filenames");
 		p = prefix_path(prefix, prefix_length, arg);
-		checkout_file(p);
+		checkout_file(p, prefix_length);
 		if (p < arg || p > arg + strlen(arg))
 			free((char*)p);
 	}
@@ -292,7 +290,7 @@ int main(int argc, char **argv)
 			else
 				path_name = buf.buf;
 			p = prefix_path(prefix, prefix_length, path_name);
-			checkout_file(p);
+			checkout_file(p, prefix_length);
 			if (p < path_name || p > path_name + strlen(path_name))
 				free((char *)p);
 			if (path_name != buf.buf)
@@ -301,7 +299,7 @@ int main(int argc, char **argv)
 	}
 
 	if (all)
-		checkout_all();
+		checkout_all(prefix, prefix_length);
 
 	if (0 <= newfd &&
 	    (write_cache(newfd, active_cache, active_nr) ||
diff --git a/builtin-count.c b/builtin-count-objects.c
similarity index 100%
rename from builtin-count.c
rename to builtin-count-objects.c
diff --git a/name-rev.c b/builtin-name-rev.c
similarity index 98%
rename from name-rev.c
rename to builtin-name-rev.c
index f92f14e32f..571bba4817 100644
--- a/name-rev.c
+++ b/builtin-name-rev.c
@@ -1,4 +1,5 @@
 #include <stdlib.h>
+#include "builtin.h"
 #include "cache.h"
 #include "commit.h"
 #include "tag.h"
@@ -126,12 +127,11 @@ static const char* get_rev_name(struct object *o)
 	return buffer;
 }
 
-int main(int argc, char **argv)
+int cmd_name_rev(int argc, const char **argv, const char *prefix)
 {
 	struct object_array revs = { 0, 0, NULL };
 	int as_is = 0, all = 0, transform_stdin = 0;
 
-	setup_git_directory();
 	git_config(git_default_config);
 
 	if (argc < 2)
diff --git a/pack-objects.c b/builtin-pack-objects.c
similarity index 99%
rename from pack-objects.c
rename to builtin-pack-objects.c
index 861c7f08ff..2301cd5c0f 100644
--- a/pack-objects.c
+++ b/builtin-pack-objects.c
@@ -1,3 +1,4 @@
+#include "builtin.h"
 #include "cache.h"
 #include "object.h"
 #include "blob.h"
@@ -1226,7 +1227,7 @@ static int git_pack_config(const char *k, const char *v)
 	return git_default_config(k, v);
 }
 
-int main(int argc, char **argv)
+int cmd_pack_objects(int argc, const char **argv, const char *prefix)
 {
 	SHA_CTX ctx;
 	char line[40 + 1 + PATH_MAX + 2];
@@ -1235,7 +1236,6 @@ int main(int argc, char **argv)
 	int num_preferred_base = 0;
 	int i;
 
-	setup_git_directory();
 	git_config(git_pack_config);
 
 	progress = isatty(2);
diff --git a/symbolic-ref.c b/builtin-symbolic-ref.c
similarity index 88%
rename from symbolic-ref.c
rename to builtin-symbolic-ref.c
index 193c87c174..b4ec6f28ed 100644
--- a/symbolic-ref.c
+++ b/builtin-symbolic-ref.c
@@ -1,3 +1,4 @@
+#include "builtin.h"
 #include "cache.h"
 
 static const char git_symbolic_ref_usage[] =
@@ -17,9 +18,8 @@ static void check_symref(const char *HEAD)
 		die("No such ref: %s", HEAD);
 }
 
-int main(int argc, const char **argv)
+int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
 {
-	setup_git_directory();
 	git_config(git_default_config);
 	switch (argc) {
 	case 2:
diff --git a/unpack-objects.c b/builtin-unpack-objects.c
similarity index 98%
rename from unpack-objects.c
rename to builtin-unpack-objects.c
index 48c1ee7968..09d264d9f2 100644
--- a/unpack-objects.c
+++ b/builtin-unpack-objects.c
@@ -1,3 +1,4 @@
+#include "builtin.h"
 #include "cache.h"
 #include "object.h"
 #include "delta.h"
@@ -112,7 +113,7 @@ static void write_object(void *buf, unsigned long size, const char *type)
 }
 
 static int resolve_delta(const char *type,
-	void *base, unsigned long base_size, 
+	void *base, unsigned long base_size,
 	void *delta, unsigned long delta_size)
 {
 	void *result;
@@ -260,13 +261,11 @@ static void unpack_all(void)
 		die("unresolved deltas left after unpacking");
 }
 
-int main(int argc, char **argv)
+int cmd_unpack_objects(int argc, const char **argv, const char *prefix)
 {
 	int i;
 	unsigned char sha1[20];
 
-	setup_git_directory();
-
 	quiet = !isatty(2);
 
 	for (i = 1 ; i < argc; i++) {
diff --git a/verify-pack.c b/builtin-verify-pack.c
similarity index 83%
rename from verify-pack.c
rename to builtin-verify-pack.c
index 357970da39..7d39d9bcd1 100644
--- a/verify-pack.c
+++ b/builtin-verify-pack.c
@@ -1,3 +1,4 @@
+#include "builtin.h"
 #include "cache.h"
 #include "pack.h"
 
@@ -47,28 +48,28 @@ static int verify_one_pack(const char *path, int verbose)
 
 static const char verify_pack_usage[] = "git-verify-pack [-v] <pack>...";
 
-int main(int ac, char **av)
+int cmd_verify_pack(int argc, const char **argv, const char *prefix)
 {
 	int err = 0;
 	int verbose = 0;
 	int no_more_options = 0;
 	int nothing_done = 1;
 
-	while (1 < ac) {
-		if (!no_more_options && av[1][0] == '-') {
-			if (!strcmp("-v", av[1]))
+	while (1 < argc) {
+		if (!no_more_options && argv[1][0] == '-') {
+			if (!strcmp("-v", argv[1]))
 				verbose = 1;
-			else if (!strcmp("--", av[1]))
+			else if (!strcmp("--", argv[1]))
 				no_more_options = 1;
 			else
 				usage(verify_pack_usage);
 		}
 		else {
-			if (verify_one_pack(av[1], verbose))
+			if (verify_one_pack(argv[1], verbose))
 				err = 1;
 			nothing_done = 0;
 		}
-		ac--; av++;
+		argc--; argv++;
 	}
 
 	if (nothing_done)
diff --git a/builtin.h b/builtin.h
index 26ebcaf213..ade58c4a1f 100644
--- a/builtin.h
+++ b/builtin.h
@@ -8,57 +8,57 @@ extern const char git_version_string[];
 extern const char git_usage_string[];
 
 extern void help_unknown_cmd(const char *cmd);
-
-extern int cmd_help(int argc, const char **argv, const char *prefix);
-extern int cmd_version(int argc, const char **argv, const char *prefix);
-
-extern int cmd_whatchanged(int argc, const char **argv, const char *prefix);
-extern int cmd_show(int argc, const char **argv, const char *prefix);
-extern int cmd_log(int argc, const char **argv, const char *prefix);
-extern int cmd_diff(int argc, const char **argv, const char *prefix);
-extern int cmd_format_patch(int argc, const char **argv, const char *prefix);
-extern int cmd_count_objects(int argc, const char **argv, const char *prefix);
-
-extern int cmd_prune(int argc, const char **argv, const char *prefix);
-extern int cmd_prune_packed(int argc, const char **argv, const char *prefix);
-
-extern int cmd_push(int argc, const char **argv, const char *prefix);
-extern int cmd_grep(int argc, const char **argv, const char *prefix);
-extern int cmd_rm(int argc, const char **argv, const char *prefix);
-extern int cmd_add(int argc, const char **argv, const char *prefix);
-extern int cmd_rev_list(int argc, const char **argv, const char *prefix);
-extern int cmd_check_ref_format(int argc, const char **argv, const char *prefix);
-extern int cmd_init_db(int argc, const char **argv, const char *prefix);
-extern int cmd_tar_tree(int argc, const char **argv, const char *prefix);
-extern int cmd_upload_tar(int argc, const char **argv, const char *prefix);
-extern int cmd_get_tar_commit_id(int argc, const char **argv, const char *prefix);
-extern int cmd_ls_files(int argc, const char **argv, const char *prefix);
-extern int cmd_ls_tree(int argc, const char **argv, const char *prefix);
-extern int cmd_read_tree(int argc, const char **argv, const char *prefix);
-extern int cmd_commit_tree(int argc, const char **argv, const char *prefix);
-extern int cmd_apply(int argc, const char **argv, const char *prefix);
-extern int cmd_show_branch(int argc, const char **argv, const char *prefix);
-extern int cmd_diff_files(int argc, const char **argv, const char *prefix);
-extern int cmd_diff_index(int argc, const char **argv, const char *prefix);
-extern int cmd_diff_stages(int argc, const char **argv, const char *prefix);
-extern int cmd_diff_tree(int argc, const char **argv, const char *prefix);
-extern int cmd_cat_file(int argc, const char **argv, const char *prefix);
-extern int cmd_rev_parse(int argc, const char **argv, const char *prefix);
-extern int cmd_update_index(int argc, const char **argv, const char *prefix);
-extern int cmd_update_ref(int argc, const char **argv, const char *prefix);
-extern int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix);
-extern int cmd_mv(int argc, const char **argv, const char *prefix);
-extern int cmd_repo_config(int argc, const char **argv, const char *prefix);
-
-extern int cmd_write_tree(int argc, const char **argv, const char *prefix);
+extern int mailinfo(FILE *in, FILE *out, int ks, const char *encoding, const char *msg, const char *patch);
+extern int split_mbox(const char **mbox, const char *dir, int allow_bare, int nr_prec, int skip);
+extern void stripspace(FILE *in, FILE *out);
 extern int write_tree(unsigned char *sha1, int missing_ok, const char *prefix);
 
-extern int cmd_mailsplit(int argc, const char **argv, const char *prefix);
-extern int split_mbox(const char **mbox, const char *dir, int allow_bare, int nr_prec, int skip);
-
+extern int cmd_add(int argc, const char **argv, const char *prefix);
+extern int cmd_apply(int argc, const char **argv, const char *prefix);
+extern int cmd_cat_file(int argc, const char **argv, const char *prefix);
+extern int cmd_checkout_index(int argc, const char **argv, const char *prefix);
+extern int cmd_check_ref_format(int argc, const char **argv, const char *prefix);
+extern int cmd_commit_tree(int argc, const char **argv, const char *prefix);
+extern int cmd_count_objects(int argc, const char **argv, const char *prefix);
+extern int cmd_diff_files(int argc, const char **argv, const char *prefix);
+extern int cmd_diff_index(int argc, const char **argv, const char *prefix);
+extern int cmd_diff(int argc, const char **argv, const char *prefix);
+extern int cmd_diff_stages(int argc, const char **argv, const char *prefix);
+extern int cmd_diff_tree(int argc, const char **argv, const char *prefix);
+extern int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix);
+extern int cmd_format_patch(int argc, const char **argv, const char *prefix);
+extern int cmd_get_tar_commit_id(int argc, const char **argv, const char *prefix);
+extern int cmd_grep(int argc, const char **argv, const char *prefix);
+extern int cmd_help(int argc, const char **argv, const char *prefix);
+extern int cmd_init_db(int argc, const char **argv, const char *prefix);
+extern int cmd_log(int argc, const char **argv, const char *prefix);
+extern int cmd_ls_files(int argc, const char **argv, const char *prefix);
+extern int cmd_ls_tree(int argc, const char **argv, const char *prefix);
 extern int cmd_mailinfo(int argc, const char **argv, const char *prefix);
-extern int mailinfo(FILE *in, FILE *out, int ks, const char *encoding, const char *msg, const char *patch);
-
+extern int cmd_mailsplit(int argc, const char **argv, const char *prefix);
+extern int cmd_mv(int argc, const char **argv, const char *prefix);
+extern int cmd_name_rev(int argc, const char **argv, const char *prefix);
+extern int cmd_pack_objects(int argc, const char **argv, const char *prefix);
+extern int cmd_prune(int argc, const char **argv, const char *prefix);
+extern int cmd_prune_packed(int argc, const char **argv, const char *prefix);
+extern int cmd_push(int argc, const char **argv, const char *prefix);
+extern int cmd_read_tree(int argc, const char **argv, const char *prefix);
+extern int cmd_repo_config(int argc, const char **argv, const char *prefix);
+extern int cmd_rev_list(int argc, const char **argv, const char *prefix);
+extern int cmd_rev_parse(int argc, const char **argv, const char *prefix);
+extern int cmd_rm(int argc, const char **argv, const char *prefix);
+extern int cmd_show_branch(int argc, const char **argv, const char *prefix);
+extern int cmd_show(int argc, const char **argv, const char *prefix);
 extern int cmd_stripspace(int argc, const char **argv, const char *prefix);
-extern void stripspace(FILE *in, FILE *out);
+extern int cmd_symbolic_ref(int argc, const char **argv, const char *prefix);
+extern int cmd_tar_tree(int argc, const char **argv, const char *prefix);
+extern int cmd_unpack_objects(int argc, const char **argv, const char *prefix);
+extern int cmd_update_index(int argc, const char **argv, const char *prefix);
+extern int cmd_update_ref(int argc, const char **argv, const char *prefix);
+extern int cmd_upload_tar(int argc, const char **argv, const char *prefix);
+extern int cmd_version(int argc, const char **argv, const char *prefix);
+extern int cmd_whatchanged(int argc, const char **argv, const char *prefix);
+extern int cmd_write_tree(int argc, const char **argv, const char *prefix);
+extern int cmd_verify_pack(int argc, const char **argv, const char *prefix);
+
 #endif
diff --git a/git.c b/git.c
index 18ba14ade1..5da7787d86 100644
--- a/git.c
+++ b/git.c
@@ -213,8 +213,8 @@ static int handle_alias(int *argcp, const char ***argv)
 
 const char git_version_string[] = GIT_VERSION;
 
-#define NEEDS_PREFIX 1
-#define USE_PAGER 2
+#define RUN_SETUP	(1<<0)
+#define USE_PAGER	(1<<1)
 
 static void handle_internal_command(int argc, const char **argv, char **envp)
 {
@@ -224,47 +224,53 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
 		int (*fn)(int, const char **, const char *);
 		int option;
 	} commands[] = {
-		{ "version", cmd_version },
-		{ "help", cmd_help },
-		{ "log", cmd_log, NEEDS_PREFIX | USE_PAGER },
-		{ "whatchanged", cmd_whatchanged, NEEDS_PREFIX | USE_PAGER },
-		{ "show", cmd_show, NEEDS_PREFIX | USE_PAGER },
-		{ "push", cmd_push, NEEDS_PREFIX },
-		{ "format-patch", cmd_format_patch, NEEDS_PREFIX },
-		{ "count-objects", cmd_count_objects },
-		{ "diff", cmd_diff, NEEDS_PREFIX },
-		{ "grep", cmd_grep, NEEDS_PREFIX },
-		{ "rm", cmd_rm, NEEDS_PREFIX },
-		{ "add", cmd_add, NEEDS_PREFIX },
-		{ "rev-list", cmd_rev_list, NEEDS_PREFIX },
-		{ "init-db", cmd_init_db },
-		{ "get-tar-commit-id", cmd_get_tar_commit_id },
-		{ "upload-tar", cmd_upload_tar },
-		{ "check-ref-format", cmd_check_ref_format },
-		{ "ls-files", cmd_ls_files, NEEDS_PREFIX },
-		{ "ls-tree", cmd_ls_tree, NEEDS_PREFIX },
-		{ "tar-tree", cmd_tar_tree, NEEDS_PREFIX },
-		{ "read-tree", cmd_read_tree, NEEDS_PREFIX },
-		{ "commit-tree", cmd_commit_tree, NEEDS_PREFIX },
+		{ "add", cmd_add, RUN_SETUP },
 		{ "apply", cmd_apply },
-		{ "show-branch", cmd_show_branch, NEEDS_PREFIX },
-		{ "diff-files", cmd_diff_files, NEEDS_PREFIX },
-		{ "diff-index", cmd_diff_index, NEEDS_PREFIX },
-		{ "diff-stages", cmd_diff_stages, NEEDS_PREFIX },
-		{ "diff-tree", cmd_diff_tree, NEEDS_PREFIX },
-		{ "cat-file", cmd_cat_file, NEEDS_PREFIX },
-		{ "rev-parse", cmd_rev_parse, NEEDS_PREFIX },
-		{ "write-tree", cmd_write_tree, NEEDS_PREFIX },
-		{ "mailsplit", cmd_mailsplit },
+		{ "cat-file", cmd_cat_file, RUN_SETUP },
+		{ "checkout-index", cmd_checkout_index, RUN_SETUP },
+		{ "check-ref-format", cmd_check_ref_format },
+		{ "commit-tree", cmd_commit_tree, RUN_SETUP },
+		{ "count-objects", cmd_count_objects },
+		{ "diff", cmd_diff, RUN_SETUP },
+		{ "diff-files", cmd_diff_files, RUN_SETUP },
+		{ "diff-index", cmd_diff_index, RUN_SETUP },
+		{ "diff-stages", cmd_diff_stages, RUN_SETUP },
+		{ "diff-tree", cmd_diff_tree, RUN_SETUP },
+		{ "fmt-merge-msg", cmd_fmt_merge_msg, RUN_SETUP },
+		{ "format-patch", cmd_format_patch, RUN_SETUP },
+		{ "get-tar-commit-id", cmd_get_tar_commit_id },
+		{ "grep", cmd_grep, RUN_SETUP },
+		{ "help", cmd_help },
+		{ "init-db", cmd_init_db },
+		{ "log", cmd_log, RUN_SETUP | USE_PAGER },
+		{ "ls-files", cmd_ls_files, RUN_SETUP },
+		{ "ls-tree", cmd_ls_tree, RUN_SETUP },
 		{ "mailinfo", cmd_mailinfo },
-		{ "stripspace", cmd_stripspace },
-		{ "update-index", cmd_update_index, NEEDS_PREFIX },
-		{ "update-ref", cmd_update_ref, NEEDS_PREFIX },
-		{ "fmt-merge-msg", cmd_fmt_merge_msg, NEEDS_PREFIX },
-		{ "prune", cmd_prune, NEEDS_PREFIX },
-		{ "mv", cmd_mv, NEEDS_PREFIX },
-		{ "prune-packed", cmd_prune_packed, NEEDS_PREFIX },
+		{ "mailsplit", cmd_mailsplit },
+		{ "mv", cmd_mv, RUN_SETUP },
+		{ "name-rev", cmd_name_rev, RUN_SETUP },
+		{ "pack-objects", cmd_pack_objects, RUN_SETUP },
+		{ "prune", cmd_prune, RUN_SETUP },
+		{ "prune-packed", cmd_prune_packed, RUN_SETUP },
+		{ "push", cmd_push, RUN_SETUP },
+		{ "read-tree", cmd_read_tree, RUN_SETUP },
 		{ "repo-config", cmd_repo_config },
+		{ "rev-list", cmd_rev_list, RUN_SETUP },
+		{ "rev-parse", cmd_rev_parse, RUN_SETUP },
+		{ "rm", cmd_rm, RUN_SETUP },
+		{ "show-branch", cmd_show_branch, RUN_SETUP },
+		{ "show", cmd_show, RUN_SETUP | USE_PAGER },
+		{ "stripspace", cmd_stripspace },
+		{ "symbolic-ref", cmd_symbolic_ref, RUN_SETUP },
+		{ "tar-tree", cmd_tar_tree, RUN_SETUP },
+		{ "unpack-objects", cmd_unpack_objects, RUN_SETUP },
+		{ "update-index", cmd_update_index, RUN_SETUP },
+		{ "update-ref", cmd_update_ref, RUN_SETUP },
+		{ "upload-tar", cmd_upload_tar },
+		{ "version", cmd_version },
+		{ "whatchanged", cmd_whatchanged, RUN_SETUP | USE_PAGER },
+		{ "write-tree", cmd_write_tree, RUN_SETUP },
+		{ "verify-pack", cmd_verify_pack },
 	};
 	int i;
 
@@ -281,7 +287,7 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
 			continue;
 
 		prefix = NULL;
-		if (p->option & NEEDS_PREFIX)
+		if (p->option & RUN_SETUP)
 			prefix = setup_git_directory();
 		if (p->option & USE_PAGER)
 			setup_pager();
diff --git a/builtin-help.c b/help.c
similarity index 100%
rename from builtin-help.c
rename to help.c