makefile: Add a cscope target
[git/git.git] / shell.c
CommitLineData
35eb2d36
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1#include "cache.h"
2#include "quote.h"
77cb17e9 3#include "exec_cmd.h"
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4
5static int do_generic_cmd(const char *me, char *arg)
6{
7 const char *my_argv[4];
8
ab5f8627 9 if (!arg || !(arg = sq_dequote(arg)))
35eb2d36 10 die("bad argument");
cc44c765 11 if (prefixcmp(me, "git-"))
77cb17e9 12 die("bad command");
35eb2d36 13
77cb17e9 14 my_argv[0] = me + 4;
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15 my_argv[1] = arg;
16 my_argv[2] = NULL;
17
9201c707 18 return execv_git_cmd(my_argv);
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19}
20
21static struct commands {
22 const char *name;
23 int (*exec)(const char *me, char *arg);
24} cmd_list[] = {
25 { "git-receive-pack", do_generic_cmd },
26 { "git-upload-pack", do_generic_cmd },
27 { NULL },
28};
29
30int main(int argc, char **argv)
31{
32 char *prog;
33 struct commands *cmd;
34
35 /* We want to see "-c cmd args", and nothing else */
36 if (argc != 3 || strcmp(argv[1], "-c"))
37 die("What do you think I am? A shell?");
38
39 prog = argv[2];
40 argv += 2;
41 argc -= 2;
42 for (cmd = cmd_list ; cmd->name ; cmd++) {
43 int len = strlen(cmd->name);
44 char *arg;
45 if (strncmp(cmd->name, prog, len))
46 continue;
47 arg = NULL;
48 switch (prog[len]) {
49 case '\0':
50 arg = NULL;
51 break;
52 case ' ':
53 arg = prog + len + 1;
54 break;
55 default:
56 continue;
57 }
58 exit(cmd->exec(cmd->name, arg));
59 }
60 die("unrecognized command '%s'", prog);
61}