]>
git.ipfire.org Git - thirdparty/git.git/blob - shell.c
6 static int do_generic_cmd(const char *me
, char *arg
)
8 const char *my_argv
[4];
11 if (!arg
|| !(arg
= sq_dequote(arg
)))
13 if (prefixcmp(me
, "git-"))
20 return execv_git_cmd(my_argv
);
23 static int do_cvs_cmd(const char *me
, char *arg
)
25 const char *cvsserver_argv
[3] = {
26 "cvsserver", "server", NULL
29 if (!arg
|| strcmp(arg
, "server"))
30 die("git-cvsserver only handles server: %s", arg
);
33 return execv_git_cmd(cvsserver_argv
);
37 static struct commands
{
39 int (*exec
)(const char *me
, char *arg
);
41 { "git-receive-pack", do_generic_cmd
},
42 { "git-upload-pack", do_generic_cmd
},
43 { "git-upload-archive", do_generic_cmd
},
44 { "cvs", do_cvs_cmd
},
48 int main(int argc
, char **argv
)
55 * Always open file descriptors 0/1/2 to avoid clobbering files
56 * in die(). It also avoids not messing up when the pipes are
57 * dup'ed onto stdin/stdout/stderr in the child processes we spawn.
59 devnull_fd
= open("/dev/null", O_RDWR
);
60 while (devnull_fd
>= 0 && devnull_fd
<= 2)
61 devnull_fd
= dup(devnull_fd
);
63 die_errno("opening /dev/null failed");
67 * Special hack to pretend to be a CVS server
69 if (argc
== 2 && !strcmp(argv
[1], "cvs server"))
73 * We do not accept anything but "-c" followed by "cmd arg",
74 * where "cmd" is a very limited subset of git commands.
76 else if (argc
!= 3 || strcmp(argv
[1], "-c"))
77 die("What do you think I am? A shell?");
80 if (!strncmp(prog
, "git", 3) && isspace(prog
[3]))
81 /* Accept "git foo" as if the caller said "git-foo". */
84 for (cmd
= cmd_list
; cmd
->name
; cmd
++) {
85 int len
= strlen(cmd
->name
);
87 if (strncmp(cmd
->name
, prog
, len
))
100 exit(cmd
->exec(cmd
->name
, arg
));
102 die("unrecognized command '%s'", prog
);