Remove obsolete commit-walkers

Removes the commit-walkers that are no longer useful, as well as
library code that was only used by ssh-fetch/push.

Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 0 insertions, 166 deletions

diff --git a/ssh-fetch.c b/ssh-fetch.c
deleted file mode 100644
index bdf51a7a14..0000000000
--- a/ssh-fetch.c
+++ /dev/null
@@ -1,166 +0,0 @@
-#ifndef COUNTERPART_ENV_NAME
-#define COUNTERPART_ENV_NAME "GIT_SSH_UPLOAD"
-#endif
-#ifndef COUNTERPART_PROGRAM_NAME
-#define COUNTERPART_PROGRAM_NAME "git-ssh-upload"
-#endif
-#ifndef MY_PROGRAM_NAME
-#define MY_PROGRAM_NAME "git-ssh-fetch"
-#endif
-
-#include "cache.h"
-#include "commit.h"
-#include "rsh.h"
-#include "fetch.h"
-#include "refs.h"
-
-static int fd_in;
-static int fd_out;
-
-static unsigned char remote_version;
-static unsigned char local_version = 1;
-
-static int prefetches;
-
-static struct object_list *in_transit;
-static struct object_list **end_of_transit = &in_transit;
-
-void prefetch(unsigned char *sha1)
-{
-	char type = 'o';
-	struct object_list *node;
-	if (prefetches > 100) {
-		fetch(in_transit->item->sha1);
-	}
-	node = xmalloc(sizeof(struct object_list));
-	node->next = NULL;
-	node->item = lookup_unknown_object(sha1);
-	*end_of_transit = node;
-	end_of_transit = &node->next;
-	/* XXX: what if these writes fail? */
-	write_in_full(fd_out, &type, 1);
-	write_in_full(fd_out, sha1, 20);
-	prefetches++;
-}
-
-static char conn_buf[4096];
-static size_t conn_buf_posn;
-
-int fetch(unsigned char *sha1)
-{
-	int ret;
-	signed char remote;
-	struct object_list *temp;
-
-	if (hashcmp(sha1, in_transit->item->sha1)) {
-		/* we must have already fetched it to clean the queue */
-		return has_sha1_file(sha1) ? 0 : -1;
-	}
-	prefetches--;
-	temp = in_transit;
-	in_transit = in_transit->next;
-	if (!in_transit)
-		end_of_transit = &in_transit;
-	free(temp);
-
-	if (conn_buf_posn) {
-		remote = conn_buf[0];
-		memmove(conn_buf, conn_buf + 1, --conn_buf_posn);
-	} else {
-		if (xread(fd_in, &remote, 1) < 1)
-			return -1;
-	}
-	/* fprintf(stderr, "Got %d\n", remote); */
-	if (remote < 0)
-		return remote;
-	ret = write_sha1_from_fd(sha1, fd_in, conn_buf, 4096, &conn_buf_posn);
-	if (!ret)
-		pull_say("got %s\n", sha1_to_hex(sha1));
-	return ret;
-}
-
-static int get_version(void)
-{
-	char type = 'v';
-	if (write_in_full(fd_out, &type, 1) != 1 ||
-	    write_in_full(fd_out, &local_version, 1)) {
-		return error("Couldn't request version from remote end");
-	}
-	if (xread(fd_in, &remote_version, 1) < 1) {
-		return error("Couldn't read version from remote end");
-	}
-	return 0;
-}
-
-int fetch_ref(char *ref, unsigned char *sha1)
-{
-	signed char remote;
-	char type = 'r';
-	int length = strlen(ref) + 1;
-	if (write_in_full(fd_out, &type, 1) != 1 ||
-	    write_in_full(fd_out, ref, length) != length)
-		return -1;
-
-	if (read_in_full(fd_in, &remote, 1) != 1)
-		return -1;
-	if (remote < 0)
-		return remote;
-	if (read_in_full(fd_in, sha1, 20) != 20)
-		return -1;
-	return 0;
-}
-
-static const char ssh_fetch_usage[] =
-  MY_PROGRAM_NAME
-  " [-c] [-t] [-a] [-v] [--recover] [-w ref] commit-id url";
-int main(int argc, char **argv)
-{
-	const char *write_ref = NULL;
-	char *commit_id;
-	char *url;
-	int arg = 1;
-	const char *prog;
-
-	prog = getenv("GIT_SSH_PUSH");
-	if (!prog) prog = "git-ssh-upload";
-
-	setup_git_directory();
-	git_config(git_default_config);
-
-	while (arg < argc && argv[arg][0] == '-') {
-		if (argv[arg][1] == 't') {
-			get_tree = 1;
-		} else if (argv[arg][1] == 'c') {
-			get_history = 1;
-		} else if (argv[arg][1] == 'a') {
-			get_all = 1;
-			get_tree = 1;
-			get_history = 1;
-		} else if (argv[arg][1] == 'v') {
-			get_verbosely = 1;
-		} else if (argv[arg][1] == 'w') {
-			write_ref = argv[arg + 1];
-			arg++;
-		} else if (!strcmp(argv[arg], "--recover")) {
-			get_recover = 1;
-		}
-		arg++;
-	}
-	if (argc < arg + 2) {
-		usage(ssh_fetch_usage);
-		return 1;
-	}
-	commit_id = argv[arg];
-	url = argv[arg + 1];
-
-	if (setup_connection(&fd_in, &fd_out, prog, url, arg, argv + 1))
-		return 1;
-
-	if (get_version())
-		return 1;
-
-	if (pull(1, &commit_id, &write_ref, url))
-		return 1;
-
-	return 0;
-}