Commit a633fca0 authored by Linus Torvalds's avatar Linus Torvalds Committed by Junio C Hamano

Call setup_git_directory() much earlier

This changes the calling convention of built-in commands and
passes the "prefix" (i.e. pathname of $PWD relative to the
project root level) down to them.
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
Signed-off-by: default avatarJunio C Hamano <junkio@cox.net>
parent db6296a5
......@@ -123,11 +123,10 @@ static int add_file_to_index(const char *path, int verbose)
static struct lock_file lock_file;
int cmd_add(int argc, const char **argv, char **envp)
int cmd_add(int argc, const char **argv, const char *prefix)
{
int i, newfd;
int verbose = 0, show_only = 0;
const char *prefix = setup_git_directory();
const char **pathspec;
struct dir_struct dir;
......
......@@ -2268,7 +2268,7 @@ static int git_apply_config(const char *var, const char *value)
}
int cmd_apply(int argc, const char **argv, char **envp)
int cmd_apply(int argc, const char **argv, const char *prefix)
{
int i;
int read_stdin = 1;
......
......@@ -94,7 +94,7 @@ static int pprint_tag(const unsigned char *sha1, const char *buf, unsigned long
return 0;
}
int cmd_cat_file(int argc, const char **argv, char **envp)
int cmd_cat_file(int argc, const char **argv, const char *prefix)
{
unsigned char sha1[20];
char type[20];
......@@ -102,7 +102,6 @@ int cmd_cat_file(int argc, const char **argv, char **envp)
unsigned long size;
int opt;
setup_git_directory();
git_config(git_default_config);
if (argc != 3)
usage("git-cat-file [-t|-s|-e|-p|<type>] <sha1>");
......
......@@ -6,7 +6,7 @@
#include "refs.h"
#include "builtin.h"
int cmd_check_ref_format(int argc, const char **argv, char **envp)
int cmd_check_ref_format(int argc, const char **argv, const char *prefix)
{
if (argc != 2)
usage("git check-ref-format refname");
......
......@@ -77,7 +77,7 @@ static int new_parent(int idx)
return 1;
}
int cmd_commit_tree(int argc, const char **argv, char **envp)
int cmd_commit_tree(int argc, const char **argv, const char *prefix)
{
int i;
int parents = 0;
......@@ -88,8 +88,6 @@ int cmd_commit_tree(int argc, const char **argv, char **envp)
unsigned int size;
setup_ident();
setup_git_directory();
git_config(git_default_config);
if (argc < 2)
......
......@@ -67,7 +67,7 @@ static void count_objects(DIR *d, char *path, int len, int verbose,
}
}
int cmd_count_objects(int ac, const char **av, char **ep)
int cmd_count_objects(int ac, const char **av, const char *prefix)
{
int i;
int verbose = 0;
......
......@@ -13,12 +13,12 @@ static const char diff_files_usage[] =
"git-diff-files [-q] [-0/-1/2/3 |-c|--cc] [<common diff options>] [<path>...]"
COMMON_DIFF_OPTIONS_HELP;
int cmd_diff_files(int argc, const char **argv, char **envp)
int cmd_diff_files(int argc, const char **argv, const char *prefix)
{
struct rev_info rev;
int silent = 0;
init_revisions(&rev, setup_git_directory());
init_revisions(&rev, prefix);
git_config(git_default_config); /* no "diff" UI options */
rev.abbrev = 0;
......
......@@ -9,13 +9,13 @@ static const char diff_cache_usage[] =
"[<common diff options>] <tree-ish> [<path>...]"
COMMON_DIFF_OPTIONS_HELP;
int cmd_diff_index(int argc, const char **argv, char **envp)
int cmd_diff_index(int argc, const char **argv, const char *prefix)
{
struct rev_info rev;
int cached = 0;
int i;
init_revisions(&rev, setup_git_directory());
init_revisions(&rev, prefix);
git_config(git_default_config); /* no "diff" UI options */
rev.abbrev = 0;
......
......@@ -55,10 +55,9 @@ static void diff_stages(int stage1, int stage2, const char **pathspec)
}
}
int cmd_diff_stages(int ac, const char **av, char **envp)
int cmd_diff_stages(int ac, const char **av, const char *prefix)
{
int stage1, stage2;
const char *prefix = setup_git_directory();
const char **pathspec = NULL;
git_config(git_default_config); /* no "diff" UI options */
......
......@@ -59,7 +59,7 @@ static const char diff_tree_usage[] =
" --root include the initial commit as diff against /dev/null\n"
COMMON_DIFF_OPTIONS_HELP;
int cmd_diff_tree(int argc, const char **argv, char **envp)
int cmd_diff_tree(int argc, const char **argv, const char *prefix)
{
int nr_sha1;
char line[1000];
......@@ -67,7 +67,7 @@ int cmd_diff_tree(int argc, const char **argv, char **envp)
static struct rev_info *opt = &log_tree_opt;
int read_stdin = 0;
init_revisions(opt, setup_git_directory());
init_revisions(opt, prefix);
git_config(git_default_config); /* no "diff" UI options */
nr_sha1 = 0;
opt->abbrev = 0;
......
......@@ -221,13 +221,13 @@ void add_head(struct rev_info *revs)
add_pending_object(revs, obj, "HEAD");
}
int cmd_diff(int argc, const char **argv, char **envp)
int cmd_diff(int argc, const char **argv, const char *prefix)
{
int i;
struct rev_info rev;
struct object_array_entry ent[100];
int ents = 0, blobs = 0, paths = 0;
const char *path = NULL, *prefix;
const char *path = NULL;
struct blobinfo blob[2];
/*
......@@ -250,7 +250,6 @@ int cmd_diff(int argc, const char **argv, char **envp)
* Other cases are errors.
*/
prefix = setup_git_directory();
git_config(git_diff_ui_config);
init_revisions(&rev, prefix);
......
......@@ -242,7 +242,7 @@ static void shortlog(const char *name, unsigned char *sha1,
free_list(&subjects);
}
int cmd_fmt_merge_msg(int argc, char **argv, char **envp)
int cmd_fmt_merge_msg(int argc, char **argv, const char *prefix)
{
int limit = 20, i = 0;
char line[1024];
......@@ -250,7 +250,6 @@ int cmd_fmt_merge_msg(int argc, char **argv, char **envp)
const char *sep = "";
unsigned char head_sha1[20];
const char *head, *current_branch;
const char *prefix = setup_git_directory();
git_config(fmt_merge_msg_config);
......
......@@ -919,14 +919,13 @@ static const char emsg_missing_context_len[] =
static const char emsg_missing_argument[] =
"option requires an argument -%s";
int cmd_grep(int argc, const char **argv, char **envp)
int cmd_grep(int argc, const char **argv, const char *prefix)
{
int hit = 0;
int cached = 0;
int seen_dashdash = 0;
struct grep_opt opt;
struct object_array list = { 0, 0, NULL };
const char *prefix = setup_git_directory();
const char **paths = NULL;
int i;
......
......@@ -221,13 +221,13 @@ static void show_man_page(const char *git_cmd)
execlp("man", "man", page, NULL);
}
int cmd_version(int argc, const char **argv, char **envp)
int cmd_version(int argc, const char **argv, const char *prefix)
{
printf("git version %s\n", git_version_string);
return 0;
}
int cmd_help(int argc, const char **argv, char **envp)
int cmd_help(int argc, const char **argv, const char *prefix)
{
const char *help_cmd = argc > 1 ? argv[1] : NULL;
if (!help_cmd)
......
......@@ -250,7 +250,7 @@ static const char init_db_usage[] =
* On the other hand, it might just make lookup slower and messier. You
* be the judge. The default case is to have one DB per managed directory.
*/
int cmd_init_db(int argc, const char **argv, char **envp)
int cmd_init_db(int argc, const char **argv, const char *prefix)
{
const char *git_dir;
const char *sha1_dir;
......
......@@ -16,7 +16,7 @@
/* this is in builtin-diff.c */
void add_head(struct rev_info *revs);
static void cmd_log_init(int argc, const char **argv, char **envp,
static void cmd_log_init(int argc, const char **argv, const char *prefix,
struct rev_info *rev)
{
rev->abbrev = DEFAULT_ABBREV;
......@@ -45,26 +45,24 @@ static int cmd_log_walk(struct rev_info *rev)
return 0;
}
int cmd_whatchanged(int argc, const char **argv, char **envp)
int cmd_whatchanged(int argc, const char **argv, const char *prefix)
{
struct rev_info rev;
const char *prefix = setup_git_directory();
git_config(git_diff_ui_config);
init_revisions(&rev, prefix);
rev.diff = 1;
rev.diffopt.recursive = 1;
rev.simplify_history = 0;
cmd_log_init(argc, argv, envp, &rev);
cmd_log_init(argc, argv, prefix, &rev);
if (!rev.diffopt.output_format)
rev.diffopt.output_format = DIFF_FORMAT_RAW;
return cmd_log_walk(&rev);
}
int cmd_show(int argc, const char **argv, char **envp)
int cmd_show(int argc, const char **argv, const char *prefix)
{
struct rev_info rev;
const char *prefix = setup_git_directory();
git_config(git_diff_ui_config);
init_revisions(&rev, prefix);
......@@ -75,19 +73,18 @@ int cmd_show(int argc, const char **argv, char **envp)
rev.always_show_header = 1;
rev.ignore_merges = 0;
rev.no_walk = 1;
cmd_log_init(argc, argv, envp, &rev);
cmd_log_init(argc, argv, prefix, &rev);
return cmd_log_walk(&rev);
}
int cmd_log(int argc, const char **argv, char **envp)
int cmd_log(int argc, const char **argv, const char *prefix)
{
struct rev_info rev;
const char *prefix = setup_git_directory();
git_config(git_diff_ui_config);
init_revisions(&rev, prefix);
rev.always_show_header = 1;
cmd_log_init(argc, argv, envp, &rev);
cmd_log_init(argc, argv, prefix, &rev);
return cmd_log_walk(&rev);
}
......@@ -181,14 +178,13 @@ static int get_patch_id(struct commit *commit, struct diff_options *options,
return diff_flush_patch_id(options, sha1);
}
static void get_patch_ids(struct rev_info *rev, struct diff_options *options)
static void get_patch_ids(struct rev_info *rev, struct diff_options *options, const char *prefix)
{
struct rev_info check_rev;
struct commit *commit;
struct object *o1, *o2;
unsigned flags1, flags2;
unsigned char sha1[20];
const char *prefix = setup_git_directory();
if (rev->pending.nr != 2)
die("Need exactly one range.");
......@@ -244,7 +240,7 @@ static void gen_message_id(char *dest, unsigned int length, char *base)
(int)(email_end - email_start - 1), email_start + 1);
}
int cmd_format_patch(int argc, const char **argv, char **envp)
int cmd_format_patch(int argc, const char **argv, const char *prefix)
{
struct commit *commit;
struct commit **list = NULL;
......@@ -261,7 +257,6 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
char *add_signoff = NULL;
char message_id[1024];
char ref_message_id[1024];
const char *prefix = setup_git_directory();
git_config(git_format_config);
init_revisions(&rev, prefix);
......@@ -368,7 +363,7 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
}
if (ignore_if_in_upstream)
get_patch_ids(&rev, &patch_id_opts);
get_patch_ids(&rev, &patch_id_opts, prefix);
if (!use_stdout)
realstdout = fdopen(dup(1), "w");
......
......@@ -322,14 +322,13 @@ static const char ls_files_usage[] =
"[ --exclude-per-directory=<filename> ] [--full-name] [--abbrev] "
"[--] [<file>]*";
int cmd_ls_files(int argc, const char **argv, char** envp)
int cmd_ls_files(int argc, const char **argv, const char *prefix)
{
int i;
int exc_given = 0;
struct dir_struct dir;
memset(&dir, 0, sizeof(dir));
prefix = setup_git_directory();
if (prefix)
prefix_offset = strlen(prefix);
git_config(git_default_config);
......
......@@ -18,7 +18,7 @@ static int abbrev = 0;
static int ls_options = 0;
static const char **pathspec;
static int chomp_prefix = 0;
static const char *prefix;
static const char *ls_tree_prefix;
static const char ls_tree_usage[] =
"git-ls-tree [-d] [-r] [-t] [-z] [--name-only] [--name-status] [--full-name] [--abbrev[=<n>]] <tree-ish> [path...]";
......@@ -71,7 +71,7 @@ static int show_tree(const unsigned char *sha1, const char *base, int baselen,
return 0;
if (chomp_prefix &&
(baselen < chomp_prefix || memcmp(prefix, base, chomp_prefix)))
(baselen < chomp_prefix || memcmp(ls_tree_prefix, base, chomp_prefix)))
return 0;
if (!(ls_options & LS_NAME_ONLY))
......@@ -85,13 +85,13 @@ static int show_tree(const unsigned char *sha1, const char *base, int baselen,
return retval;
}
int cmd_ls_tree(int argc, const char **argv, char **envp)
int cmd_ls_tree(int argc, const char **argv, const char *prefix)
{
unsigned char sha1[20];
struct tree *tree;
prefix = setup_git_directory();
git_config(git_default_config);
ls_tree_prefix = prefix;
if (prefix && *prefix)
chomp_prefix = strlen(prefix);
while (1 < argc && argv[1][0] == '-') {
......
......@@ -836,7 +836,7 @@ int mailinfo(FILE *in, FILE *out, int ks, const char *encoding,
static const char mailinfo_usage[] =
"git-mailinfo [-k] [-u | --encoding=<encoding>] msg patch <mail >info";
int cmd_mailinfo(int argc, const char **argv, char **envp)
int cmd_mailinfo(int argc, const char **argv, const char *prefix)
{
/* NEEDSWORK: might want to do the optional .git/ directory
* discovery
......
......@@ -138,7 +138,7 @@ int split_mbox(const char **mbox, const char *dir, int allow_bare, int nr_prec,
free(name);
return ret;
}
int cmd_mailsplit(int argc, const char **argv, char **envp)
int cmd_mailsplit(int argc, const char **argv, const char *prefix)
{
int nr = 0, nr_prec = 4, ret;
int allow_bare = 0;
......
......@@ -217,7 +217,7 @@ static void add_cache_refs(void)
add_cache_tree(active_cache_tree);
}
int cmd_prune(int argc, const char **argv, char **envp)
int cmd_prune(int argc, const char **argv, const char *prefix)
{
int i;
......@@ -234,7 +234,7 @@ int cmd_prune(int argc, const char **argv, char **envp)
* Set up revision parsing, and mark us as being interested
* in all object types, not just commits.
*/
init_revisions(&revs, setup_git_directory());
init_revisions(&revs, prefix);
revs.tag_objects = 1;
revs.blob_objects = 1;
revs.tree_objects = 1;
......
......@@ -270,7 +270,7 @@ static int do_push(const char *repo)
return 0;
}
int cmd_push(int argc, const char **argv, char **envp)
int cmd_push(int argc, const char **argv, const char *prefix)
{
int i;
const char *repo = "origin"; /* default repository */
......
......@@ -870,7 +870,7 @@ static const char read_tree_usage[] = "git-read-tree (<sha> | [[-m [--aggressive
static struct lock_file lock_file;
int cmd_read_tree(int argc, const char **argv, char **envp)
int cmd_read_tree(int argc, const char **argv, const char *prefix)
{
int i, newfd, stage = 0;
unsigned char sha1[20];
......@@ -882,7 +882,6 @@ int cmd_read_tree(int argc, const char **argv, char **envp)
state.quiet = 1;
state.refresh_cache = 1;
setup_git_directory();
git_config(git_default_config);
newfd = hold_lock_file_for_update(&lock_file, get_index_file());
......
......@@ -306,12 +306,12 @@ static void mark_edges_uninteresting(struct commit_list *list)
}
}
int cmd_rev_list(int argc, const char **argv, char **envp)
int cmd_rev_list(int argc, const char **argv, const char *prefix)
{
struct commit_list *list;
int i;
init_revisions(&revs, setup_git_directory());
init_revisions(&revs, prefix);
revs.abbrev = 0;
revs.commit_format = CMIT_FMT_UNSPECIFIED;
argc = setup_revisions(argc, argv, &revs, NULL);
......
......@@ -209,11 +209,10 @@ static int try_difference(const char *arg)
return 0;
}
int cmd_rev_parse(int argc, const char **argv, char **envp)
int cmd_rev_parse(int argc, const char **argv, const char *prefix)
{
int i, as_is = 0, verify = 0;
unsigned char sha1[20];
const char *prefix = setup_git_directory();
git_config(git_default_config);
......
......@@ -43,11 +43,10 @@ static int remove_file(const char *name)
static struct lock_file lock_file;
int cmd_rm(int argc, const char **argv, char **envp)
int cmd_rm(int argc, const char **argv, const char *prefix)
{
int i, newfd;
int verbose = 0, show_only = 0, force = 0;
const char *prefix = setup_git_directory();
const char **pathspec;
char *seen;
......
......@@ -550,7 +550,7 @@ static int omit_in_dense(struct commit *commit, struct commit **rev, int n)
return 0;
}
int cmd_show_branch(int ac, const char **av, char **envp)
int cmd_show_branch(int ac, const char **av, const char *prefix)
{
struct commit *rev[MAX_REVS], *commit;
struct commit_list *list = NULL, *seen = NULL;
......@@ -573,7 +573,6 @@ int cmd_show_branch(int ac, const char **av, char **envp)
int topics = 0;
int dense = 1;
setup_git_directory();
git_config(git_show_branch_config);
/* If nothing is specified, try the default first */
......
......@@ -54,7 +54,7 @@ void stripspace(FILE *in, FILE *out)
fputc('\n', out);
}
int cmd_stripspace(int argc, const char **argv, char **envp)
int cmd_stripspace(int argc, const char **argv, const char *prefix)
{
stripspace(stdin, stdout);
return 0;
......
......@@ -308,7 +308,7 @@ int git_tar_config(const char *var, const char *value)
return git_default_config(var, value);
}
static int generate_tar(int argc, const char **argv, char** envp)
static int generate_tar(int argc, const char **argv, const char *prefix)
{
unsigned char sha1[20], tree_sha1[20];
struct commit *commit;
......@@ -319,7 +319,6 @@ static int generate_tar(int argc, const char **argv, char** envp)
current_path.alloc = PATH_MAX;
current_path.len = current_path.eof = 0;
setup_git_directory();
git_config(git_tar_config);
switch (argc) {
......@@ -402,19 +401,19 @@ static int remote_tar(int argc, const char **argv)
return !!ret;
}
int cmd_tar_tree(int argc, const char **argv, char **envp)
int cmd_tar_tree(int argc, const char **argv, const char *prefix)
{
if (argc < 2)
usage(tar_tree_usage);
if (!strncmp("--remote=", argv[1], 9))
return remote_tar(argc, argv);
return generate_tar(argc, argv, envp);
return generate_tar(argc, argv, prefix);
}
/* ustar header + extended global header content */
#define HEADERSIZE (2 * RECORDSIZE)
int cmd_get_tar_commit_id(int argc, const char **argv, char **envp)
int cmd_get_tar_commit_id(int argc, const char **argv, const char *prefix)
{
char buffer[HEADERSIZE];
struct ustar_header *header = (struct ustar_header *)buffer;
......
......@@ -476,12 +476,11 @@ static int do_reupdate(int ac, const char **av,
return 0;
}
int cmd_update_index(int argc, const char **argv, char **envp)
int cmd_update_index(int argc, const char **argv, const char *prefix)
{
int i, newfd, entries, has_errors = 0, line_termination = '\n';
int allow_options = 1;
int read_from_stdin = 0;
const char *prefix = setup_git_directory();
int prefix_length = prefix ? strlen(prefix) : 0;
char set_executable_bit = 0;
unsigned int refresh_flags = 0;
......
......@@ -5,7 +5,7 @@
static const char git_update_ref_usage[] =
"git-update-ref <refname> <value> [<oldval>] [-m <reason>]";
int cmd_update_ref(int argc, const char **argv, char **envp)
int cmd_update_ref(int argc, const char **argv, const char *prefix)
{
const char *refname=NULL, *value=NULL, *oldval=NULL, *msg=NULL;
struct ref_lock *lock;
......@@ -13,7 +13,6 @@ int cmd_update_ref(int argc, const char **argv, char **envp)
int i;
setup_ident();
setup_git_directory();
git_config(git_default_config);
for (i = 1; i < argc; i++) {
......
......@@ -15,7 +15,7 @@ static int nak(const char *reason)
return 1;
}
int cmd_upload_tar(int argc, const char **argv, char **envp)
int cmd_upload_tar(int argc, const char **argv, const char *prefix)
{
int len;
const char *dir = argv[1];
......
......@@ -60,14 +60,12 @@ int write_tree(unsigned char *sha1, int missing_ok, const char *prefix)
return 0;
}
int cmd_write_tree(int argc, const char **argv, char **envp)
int cmd_write_tree(int argc, const char **argv, const char *unused_prefix)
{
int missing_ok = 0, ret;
const char *prefix = NULL;
unsigned char sha1[20];
setup_git_directory();
while (1 < argc) {
const char *arg = argv[1];
if (!strcmp(arg, "--missing-ok"))
......
......@@ -15,53 +15,53 @@ void cmd_usage(int show_all, const char *exec_path, const char *fmt, ...)
#endif
;
extern int cmd_help(int argc, const char **argv, char **envp);
extern int cmd_version(int argc, const char **argv, char **envp);
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, char **envp);
extern int cmd_show(int argc, const char **argv, char **envp);
extern int cmd_log(int argc, const char **argv, char **envp);
extern int cmd_diff(int argc, const char **argv, char **envp);
extern int cmd_format_patch(int argc, const char **argv, char **envp);
extern int cmd_count_objects(int argc, const char **argv, char **envp);
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, char **envp);
extern int cmd_prune(int argc, const char **argv, const char *prefix);
extern int cmd_push(int argc, const char **argv, char **envp);
extern int cmd_grep(int argc, const char **argv, char **envp);
extern int cmd_rm(int argc, const char **argv, char **envp);
extern int cmd_add(int argc, const char **argv, char **envp);
extern int cmd_rev_list(int argc, const char **argv, char **envp);
extern int cmd_check_ref_format(int argc, const char **argv, char **envp);
extern int cmd_init_db(int argc, const char **argv, char **envp);
extern int cmd_tar_tree(int argc, const char **argv, char **envp);
extern int cmd_upload_tar(int argc, const char **argv, char **envp);
extern int cmd_get_tar_commit_id(int argc, const char **argv, char **envp);
extern int cmd_ls_files(int argc, const char **argv, char **envp);
extern int cmd_ls_tree(int argc, const char **argv, char **envp);
extern int cmd_read_tree(int argc, const char **argv, char **envp);
extern int cmd_commit_tree(int argc, const char **argv, char **envp);
extern int cmd_apply(int argc, const char **argv, char **envp);
extern int cmd_show_branch(int argc, const char **argv, char **envp);
extern int cmd_diff_files(int argc, const char **argv, char **envp);
extern int cmd_diff_index(int argc, const char **argv, char **envp);
extern int cmd_diff_stages(int argc, const char **argv, char **envp);
extern int cmd_diff_tree(int argc, const char **argv, char **envp);
extern int cmd_cat_file(int argc, const char **argv, char **envp);
extern int cmd_rev_parse(int argc, const char **argv, char **envp);
extern int cmd_update_index(int argc, const char **argv, char **envp);
extern int cmd_update_ref(int argc, const char **argv, char **envp);
extern int cmd_fmt_merge_msg(int argc, const char **argv, char **envp);
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_write_tree(int argc, const char **argv, char **envp);
extern int cmd_write_tree(int argc, const char **argv, const char *prefix);
extern int write_tree(unsigned char *sha1, int missing_ok, const char *prefix);
extern int cmd_mailsplit(int argc, const char **argv, char **envp);
extern int cmd_mailsplit(int argc, const char **argv, const char *prefix);