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>

diff --git a/Makefile b/Makefile
index 0055eef24d855e9cd3a62620a70cad7c2008ea88..520f156f34d946e5b82479018dc0eafadf9677cd 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -234,14 +234,14 @@ SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH)) \
 # ... and all the rest that could be moved out of bindir to gitexecdir
 PROGRAMS = \
        git-convert-objects$X git-fetch-pack$X \
-       git-hash-object$X git-index-pack$X git-local-fetch$X \
+       git-hash-object$X git-index-pack$X \
        git-fast-import$X \
        git-daemon$X \
        git-merge-index$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$X \
+       git-show-index$X \
+       git-unpack-file$X \
        git-update-server-info$X \
        git-upload-pack$X \
        git-pack-redundant$X git-var$X \
@@ -269,9 +269,6 @@ ifndef NO_TCLTK
 OTHER_PROGRAMS += gitk-wish
 endif
 
-# Backward compatibility -- to be removed after 1.0
-PROGRAMS += git-ssh-pull$X git-ssh-push$X
-
 # Set paths to tools early so that they can be used for version tests.
 ifndef SHELL_PATH
        SHELL_PATH = /bin/sh
@@ -894,14 +891,6 @@ endif
 git-%$X: %.o $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)
 
-ssh-pull.o: ssh-fetch.c
-ssh-push.o: ssh-upload.c
-git-local-fetch$X: fetch.o
-git-ssh-fetch$X: rsh.o fetch.o
-git-ssh-upload$X: rsh.o
-git-ssh-pull$X: rsh.o fetch.o
-git-ssh-push$X: rsh.o
-
 git-imap-send$X: imap-send.o $(LIB_FILE)
 
 http.o http-fetch.o http-push.o: http.h
@@ -1122,8 +1111,7 @@ check-docs::
                git-merge-octopus | git-merge-ours | git-merge-recursive | \
                git-merge-resolve | git-merge-stupid | \
                git-add--interactive | git-fsck-objects | git-init-db | \
-               git-repo-config | git-fetch--tool | \
-               git-ssh-pull | git-ssh-push ) continue ;; \
+               git-repo-config | git-fetch--tool ) continue ;; \
                esac ; \
                test -f "Documentation/$$v.txt" || \
                echo "no doc: $$v"; \

diff --git a/local-fetch.c b/local-fetch.c
deleted file mode 100644 (file)
index bf7ec6c..0000000
--- a/local-fetch.c
+++ /dev/null
@@ -1,254 +0,0 @@
-/*
- * Copyright (C) 2005 Junio C Hamano
- */
-#include "cache.h"
-#include "commit.h"
-#include "fetch.h"
-
-static int use_link;
-static int use_symlink;
-static int use_filecopy = 1;
-static int commits_on_stdin;
-
-static const char *path; /* "Remote" git repository */
-
-void prefetch(unsigned char *sha1)
-{
-}
-
-static struct packed_git *packs;
-
-static void setup_index(unsigned char *sha1)
-{
-       struct packed_git *new_pack;
-       char filename[PATH_MAX];
-       strcpy(filename, path);
-       strcat(filename, "/objects/pack/pack-");
-       strcat(filename, sha1_to_hex(sha1));
-       strcat(filename, ".idx");
-       new_pack = parse_pack_index_file(sha1, filename);
-       new_pack->next = packs;
-       packs = new_pack;
-}
-
-static int setup_indices(void)
-{
-       DIR *dir;
-       struct dirent *de;
-       char filename[PATH_MAX];
-       unsigned char sha1[20];
-       sprintf(filename, "%s/objects/pack/", path);
-       dir = opendir(filename);
-       if (!dir)
-               return -1;
-       while ((de = readdir(dir)) != NULL) {
-               int namelen = strlen(de->d_name);
-               if (namelen != 50 ||
-                   !has_extension(de->d_name, ".pack"))
-                       continue;
-               get_sha1_hex(de->d_name + 5, sha1);
-               setup_index(sha1);
-       }
-       closedir(dir);
-       return 0;
-}
-
-static int copy_file(const char *source, char *dest, const char *hex,
-                    int warn_if_not_exists)
-{
-       safe_create_leading_directories(dest);
-       if (use_link) {
-               if (!link(source, dest)) {
-                       pull_say("link %s\n", hex);
-                       return 0;
-               }
-               /* If we got ENOENT there is no point continuing. */
-               if (errno == ENOENT) {
-                       if (!warn_if_not_exists)
-                               return -1;
-                       return error("does not exist %s", source);
-               }
-       }
-       if (use_symlink) {
-               struct stat st;
-               if (stat(source, &st)) {
-                       if (!warn_if_not_exists && errno == ENOENT)
-                               return -1;
-                       return error("cannot stat %s: %s", source,
-                                    strerror(errno));
-               }
-               if (!symlink(source, dest)) {
-                       pull_say("symlink %s\n", hex);
-                       return 0;
-               }
-       }
-       if (use_filecopy) {
-               int ifd, ofd, status = 0;
-
-               ifd = open(source, O_RDONLY);
-               if (ifd < 0) {
-                       if (!warn_if_not_exists && errno == ENOENT)
-                               return -1;
-                       return error("cannot open %s", source);
-               }
-               ofd = open(dest, O_WRONLY | O_CREAT | O_EXCL, 0666);
-               if (ofd < 0) {
-                       close(ifd);
-                       return error("cannot open %s", dest);
-               }
-               status = copy_fd(ifd, ofd);
-               close(ofd);
-               if (status)
-                       return error("cannot write %s", dest);
-               pull_say("copy %s\n", hex);
-               return 0;
-       }
-       return error("failed to copy %s with given copy methods.", hex);
-}
-
-static int fetch_pack(const unsigned char *sha1)
-{
-       struct packed_git *target;
-       char filename[PATH_MAX];
-       if (setup_indices())
-               return -1;
-       target = find_sha1_pack(sha1, packs);
-       if (!target)
-               return error("Couldn't find %s: not separate or in any pack",
-                            sha1_to_hex(sha1));
-       if (get_verbosely) {
-               fprintf(stderr, "Getting pack %s\n",
-                       sha1_to_hex(target->sha1));
-               fprintf(stderr, " which contains %s\n",
-                       sha1_to_hex(sha1));
-       }
-       sprintf(filename, "%s/objects/pack/pack-%s.pack",
-               path, sha1_to_hex(target->sha1));
-       copy_file(filename, sha1_pack_name(target->sha1),
-                 sha1_to_hex(target->sha1), 1);
-       sprintf(filename, "%s/objects/pack/pack-%s.idx",
-               path, sha1_to_hex(target->sha1));
-       copy_file(filename, sha1_pack_index_name(target->sha1),
-                 sha1_to_hex(target->sha1), 1);
-       install_packed_git(target);
-       return 0;
-}
-
-static int fetch_file(const unsigned char *sha1)
-{
-       static int object_name_start = -1;
-       static char filename[PATH_MAX];
-       char *hex = sha1_to_hex(sha1);
-       char *dest_filename = sha1_file_name(sha1);
-
-       if (object_name_start < 0) {
-               strcpy(filename, path); /* e.g. git.git */
-               strcat(filename, "/objects/");
-               object_name_start = strlen(filename);
-       }
-       filename[object_name_start+0] = hex[0];
-       filename[object_name_start+1] = hex[1];
-       filename[object_name_start+2] = '/';
-       strcpy(filename + object_name_start + 3, hex + 2);
-       return copy_file(filename, dest_filename, hex, 0);
-}
-
-int fetch(unsigned char *sha1)
-{
-       if (has_sha1_file(sha1))
-               return 0;
-       else
-               return fetch_file(sha1) && fetch_pack(sha1);
-}
-
-int fetch_ref(char *ref, unsigned char *sha1)
-{
-       static int ref_name_start = -1;
-       static char filename[PATH_MAX];
-       static char hex[41];
-       int ifd;
-
-       if (ref_name_start < 0) {
-               sprintf(filename, "%s/refs/", path);
-               ref_name_start = strlen(filename);
-       }
-       strcpy(filename + ref_name_start, ref);
-       ifd = open(filename, O_RDONLY);
-       if (ifd < 0) {
-               close(ifd);
-               return error("cannot open %s", filename);
-       }
-       if (read_in_full(ifd, hex, 40) != 40 || get_sha1_hex(hex, sha1)) {
-               close(ifd);
-               return error("cannot read from %s", filename);
-       }
-       close(ifd);
-       pull_say("ref %s\n", sha1_to_hex(sha1));
-       return 0;
-}
-
-static const char local_pull_usage[] =
-"git-local-fetch [-c] [-t] [-a] [-v] [-w filename] [--recover] [-l] [-s] [-n] [--stdin] commit-id path";
-
-/*
- * By default we only use file copy.
- * If -l is specified, a hard link is attempted.
- * If -s is specified, then a symlink is attempted.
- * If -n is _not_ specified, then a regular file-to-file copy is done.
- */
-int main(int argc, const char **argv)
-{
-       int commits;
-       const char **write_ref = NULL;
-       char **commit_id;
-       int arg = 1;
-
-       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] == 'l')
-                       use_link = 1;
-               else if (argv[arg][1] == 's')
-                       use_symlink = 1;
-               else if (argv[arg][1] == 'n')
-                       use_filecopy = 0;
-               else if (argv[arg][1] == 'v')
-                       get_verbosely = 1;
-               else if (argv[arg][1] == 'w')
-                       write_ref = &argv[++arg];
-               else if (!strcmp(argv[arg], "--recover"))
-                       get_recover = 1;
-               else if (!strcmp(argv[arg], "--stdin"))
-                       commits_on_stdin = 1;
-               else
-                       usage(local_pull_usage);
-               arg++;
-       }
-       if (argc < arg + 2 - commits_on_stdin)
-               usage(local_pull_usage);
-       if (commits_on_stdin) {
-               commits = pull_targets_stdin(&commit_id, &write_ref);
-       } else {
-               commit_id = (char **) &argv[arg++];
-               commits = 1;
-       }
-       path = argv[arg];
-
-       if (pull(commits, commit_id, write_ref, path))
-               return 1;
-
-       if (commits_on_stdin)
-               pull_targets_free(commits, commit_id, write_ref);
-
-       return 0;
-}

diff --git a/rsh.c b/rsh.c
deleted file mode 100644 (file)
index 5754a23..0000000
--- a/rsh.c
+++ /dev/null
@@ -1,83 +0,0 @@
-#include "cache.h"
-#include "rsh.h"
-#include "quote.h"
-
-#define COMMAND_SIZE 4096
-
-int setup_connection(int *fd_in, int *fd_out, const char *remote_prog,
-                    char *url, int rmt_argc, char **rmt_argv)
-{
-       char *host;
-       char *path;
-       int sv[2];
-       char command[COMMAND_SIZE];
-       char *posn;
-       int sizen;
-       int of;
-       int i;
-       pid_t pid;
-
-       if (!strcmp(url, "-")) {
-               *fd_in = 0;
-               *fd_out = 1;
-               return 0;
-       }
-
-       host = strstr(url, "//");
-       if (host) {
-               host += 2;
-               path = strchr(host, '/');
-       } else {
-               host = url;
-               path = strchr(host, ':');
-               if (path)
-                       *(path++) = '\0';
-       }
-       if (!path) {
-               return error("Bad URL: %s", url);
-       }
-       /* $GIT_RSH <host> "env GIT_DIR=<path> <remote_prog> <args...>" */
-       sizen = COMMAND_SIZE;
-       posn = command;
-       of = 0;
-       of |= add_to_string(&posn, &sizen, "env ", 0);
-       of |= add_to_string(&posn, &sizen, GIT_DIR_ENVIRONMENT "=", 0);
-       of |= add_to_string(&posn, &sizen, path, 1);
-       of |= add_to_string(&posn, &sizen, " ", 0);
-       of |= add_to_string(&posn, &sizen, remote_prog, 1);
-
-       for ( i = 0 ; i < rmt_argc ; i++ ) {
-               of |= add_to_string(&posn, &sizen, " ", 0);
-               of |= add_to_string(&posn, &sizen, rmt_argv[i], 1);
-       }
-
-       of |= add_to_string(&posn, &sizen, " -", 0);
-
-       if ( of )
-               return error("Command line too long");
-
-       if (socketpair(AF_UNIX, SOCK_STREAM, 0, sv))
-               return error("Couldn't create socket");
-
-       pid = fork();
-       if (pid < 0)
-               return error("Couldn't fork");
-       if (!pid) {
-               const char *ssh, *ssh_basename;
-               ssh = getenv("GIT_SSH");
-               if (!ssh) ssh = "ssh";
-               ssh_basename = strrchr(ssh, '/');
-               if (!ssh_basename)
-                       ssh_basename = ssh;
-               else
-                       ssh_basename++;
-               close(sv[1]);
-               dup2(sv[0], 0);
-               dup2(sv[0], 1);
-               execlp(ssh, ssh_basename, host, command, NULL);
-       }
-       close(sv[0]);
-       *fd_in = sv[1];
-       *fd_out = sv[1];
-       return 0;
-}

diff --git a/rsh.h b/rsh.h
deleted file mode 100644 (file)
index ee2f499..0000000
--- a/rsh.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef RSH_H
-#define RSH_H
-
-int setup_connection(int *fd_in, int *fd_out, const char *remote_prog,
-                    char *url, int rmt_argc, char **rmt_argv);
-
-#endif

diff --git a/ssh-fetch.c b/ssh-fetch.c
deleted file mode 100644 (file)
index bdf51a7..0000000
--- 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;
-}

diff --git a/ssh-pull.c b/ssh-pull.c
deleted file mode 100644 (file)
index 868ce4d..0000000
--- a/ssh-pull.c
+++ /dev/null
@@ -1,4 +0,0 @@
-#define COUNTERPART_ENV_NAME "GIT_SSH_PUSH"
-#define COUNTERPART_PROGRAM_NAME "git-ssh-push"
-#define MY_PROGRAM_NAME "git-ssh-pull"
-#include "ssh-fetch.c"

diff --git a/ssh-push.c b/ssh-push.c
deleted file mode 100644 (file)
index a562df1..0000000
--- a/ssh-push.c
+++ /dev/null
@@ -1,4 +0,0 @@
-#define COUNTERPART_ENV_NAME "GIT_SSH_PULL"
-#define COUNTERPART_PROGRAM_NAME "git-ssh-pull"
-#define MY_PROGRAM_NAME "git-ssh-push"
-#include "ssh-upload.c"

diff --git a/ssh-upload.c b/ssh-upload.c
deleted file mode 100644 (file)
index 20c35f0..0000000
--- a/ssh-upload.c
+++ /dev/null
@@ -1,143 +0,0 @@
-#ifndef COUNTERPART_ENV_NAME
-#define COUNTERPART_ENV_NAME "GIT_SSH_FETCH"
-#endif
-#ifndef COUNTERPART_PROGRAM_NAME
-#define COUNTERPART_PROGRAM_NAME "git-ssh-fetch"
-#endif
-#ifndef MY_PROGRAM_NAME
-#define MY_PROGRAM_NAME "git-ssh-upload"
-#endif
-
-#include "cache.h"
-#include "rsh.h"
-#include "refs.h"
-
-static unsigned char local_version = 1;
-static unsigned char remote_version;
-
-static int verbose;
-
-static int serve_object(int fd_in, int fd_out) {
-       ssize_t size;
-       unsigned char sha1[20];
-       signed char remote;
-
-       size = read_in_full(fd_in, sha1, 20);
-       if (size < 0) {
-               perror("git-ssh-upload: read ");
-               return -1;
-       }
-       if (!size)
-               return -1;
-
-       if (verbose)
-               fprintf(stderr, "Serving %s\n", sha1_to_hex(sha1));
-
-       remote = 0;
-
-       if (!has_sha1_file(sha1)) {
-               fprintf(stderr, "git-ssh-upload: could not find %s\n",
-                       sha1_to_hex(sha1));
-               remote = -1;
-       }
-
-       if (write_in_full(fd_out, &remote, 1) != 1)
-               return 0;
-
-       if (remote < 0)
-               return 0;
-
-       return write_sha1_to_fd(fd_out, sha1);
-}
-
-static int serve_version(int fd_in, int fd_out)
-{
-       if (xread(fd_in, &remote_version, 1) < 1)
-               return -1;
-       write_in_full(fd_out, &local_version, 1);
-       return 0;
-}
-
-static int serve_ref(int fd_in, int fd_out)
-{
-       char ref[PATH_MAX];
-       unsigned char sha1[20];
-       int posn = 0;
-       signed char remote = 0;
-       do {
-               if (posn >= PATH_MAX || xread(fd_in, ref + posn, 1) < 1)
-                       return -1;
-               posn++;
-       } while (ref[posn - 1]);
-
-       if (verbose)
-               fprintf(stderr, "Serving %s\n", ref);
-
-       if (get_ref_sha1(ref, sha1))
-               remote = -1;
-       if (write_in_full(fd_out, &remote, 1) != 1)
-               return 0;
-       if (remote)
-               return 0;
-       write_in_full(fd_out, sha1, 20);
-        return 0;
-}
-
-
-static void service(int fd_in, int fd_out) {
-       char type;
-       ssize_t retval;
-       do {
-               retval = xread(fd_in, &type, 1);
-               if (retval < 1) {
-                       if (retval < 0)
-                               perror("git-ssh-upload: read ");
-                       return;
-               }
-               if (type == 'v' && serve_version(fd_in, fd_out))
-                       return;
-               if (type == 'o' && serve_object(fd_in, fd_out))
-                       return;
-               if (type == 'r' && serve_ref(fd_in, fd_out))
-                       return;
-       } while (1);
-}
-
-static const char ssh_push_usage[] =
-       MY_PROGRAM_NAME " [-c] [-t] [-a] [-w ref] commit-id url";
-
-int main(int argc, char **argv)
-{
-       int arg = 1;
-        char *commit_id;
-        char *url;
-       int fd_in, fd_out;
-       const char *prog;
-       unsigned char sha1[20];
-       char hex[41];
-
-       prog = getenv(COUNTERPART_ENV_NAME);
-       if (!prog) prog = COUNTERPART_PROGRAM_NAME;
-
-       setup_git_directory();
-
-       while (arg < argc && argv[arg][0] == '-') {
-               if (argv[arg][1] == 'w')
-                       arg++;
-                arg++;
-        }
-       if (argc < arg + 2)
-               usage(ssh_push_usage);
-       commit_id = argv[arg];
-       url = argv[arg + 1];
-       if (get_sha1(commit_id, sha1))
-               die("Not a valid object name %s", commit_id);
-       memcpy(hex, sha1_to_hex(sha1), sizeof(hex));
-       argv[arg] = hex;
-
-       if (setup_connection(&fd_in, &fd_out, prog, url, arg, argv + 1))
-               return 1;
-
-       service(fd_in, fd_out);
-       return 0;
-}