git

1
#include "builtin.h"
2
#include "exec-cmd.h"
3
#include "gettext.h"
4
#include "pkt-line.h"
5
#include "parse-options.h"
6
#include "path.h"
7
#include "protocol.h"
8
#include "replace-object.h"
9
#include "upload-pack.h"
10
#include "serve.h"
11
#include "commit.h"
12
#include "environment.h"
13

14
static const char * const upload_pack_usage[] = {
15
	N_("git-upload-pack [--[no-]strict] [--timeout=<n>] [--stateless-rpc]\n"
16
	   "                [--advertise-refs] <directory>"),
17
	NULL
18
};
19

20
int cmd_upload_pack(int argc, const char **argv, const char *prefix)
21
{
22
	const char *dir;
23
	int strict = 0;
24
	int advertise_refs = 0;
25
	int stateless_rpc = 0;
26
	int timeout = 0;
27
	struct option options[] = {
28
		OPT_BOOL(0, "stateless-rpc", &stateless_rpc,
29
			 N_("quit after a single request/response exchange")),
30
		OPT_HIDDEN_BOOL(0, "http-backend-info-refs", &advertise_refs,
31
				N_("serve up the info/refs for git-http-backend")),
32
		OPT_ALIAS(0, "advertise-refs", "http-backend-info-refs"),
33
		OPT_BOOL(0, "strict", &strict,
34
			 N_("do not try <directory>/.git/ if <directory> is no Git directory")),
35
		OPT_INTEGER(0, "timeout", &timeout,
36
			    N_("interrupt transfer after <n> seconds of inactivity")),
37
		OPT_END()
38
	};
39

40
	packet_trace_identity("upload-pack");
41
	disable_replace_refs();
42
	save_commit_buffer = 0;
43
	xsetenv(NO_LAZY_FETCH_ENVIRONMENT, "1", 0);
44

45
	argc = parse_options(argc, argv, prefix, options, upload_pack_usage, 0);
46

47
	if (argc != 1)
48
		usage_with_options(upload_pack_usage, options);
49

50
	setup_path();
51

52
	dir = argv[0];
53

54
	if (!enter_repo(dir, strict))
55
		die("'%s' does not appear to be a git repository", dir);
56

57
	switch (determine_protocol_version_server()) {
58
	case protocol_v2:
59
		if (advertise_refs)
60
			protocol_v2_advertise_capabilities();
61
		else
62
			protocol_v2_serve_loop(stateless_rpc);
63
		break;
64
	case protocol_v1:
65
		/*
66
		 * v1 is just the original protocol with a version string,
67
		 * so just fall through after writing the version string.
68
		 */
69
		if (advertise_refs || !stateless_rpc)
70
			packet_write_fmt(1, "version 1\n");
71

72
		/* fallthrough */
73
	case protocol_v0:
74
		upload_pack(advertise_refs, stateless_rpc, timeout);
75
		break;
76
	case protocol_unknown_version:
77
		BUG("unknown protocol version");
78
	}
79

80
	return 0;
81
}
82