]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * Copyright (c) 2006 Franck Bui-Huu | |
3 | * Copyright (c) 2006 Rene Scharfe | |
4 | */ | |
5 | #include "cache.h" | |
6 | #include "builtin.h" | |
7 | #include "archive.h" | |
8 | #include "pkt-line.h" | |
9 | #include "sideband.h" | |
10 | ||
11 | static int run_remote_archiver(const char *remote, int argc, | |
12 | const char **argv) | |
13 | { | |
14 | char *url, buf[LARGE_PACKET_MAX]; | |
15 | int fd[2], i, len, rv; | |
16 | struct child_process *conn; | |
17 | const char *exec = "git-upload-archive"; | |
18 | int exec_at = 0, exec_value_at = 0; | |
19 | ||
20 | for (i = 1; i < argc; i++) { | |
21 | const char *arg = argv[i]; | |
22 | if (!prefixcmp(arg, "--exec=")) { | |
23 | if (exec_at) | |
24 | die("multiple --exec specified"); | |
25 | exec = arg + 7; | |
26 | exec_at = i; | |
27 | } else if (!strcmp(arg, "--exec")) { | |
28 | if (exec_at) | |
29 | die("multiple --exec specified"); | |
30 | if (i + 1 >= argc) | |
31 | die("option --exec requires a value"); | |
32 | exec = argv[i + 1]; | |
33 | exec_at = i; | |
34 | exec_value_at = ++i; | |
35 | } | |
36 | } | |
37 | ||
38 | url = xstrdup(remote); | |
39 | conn = git_connect(fd, url, exec, 0); | |
40 | ||
41 | for (i = 1; i < argc; i++) { | |
42 | if (i == exec_at || i == exec_value_at) | |
43 | continue; | |
44 | packet_write(fd[1], "argument %s\n", argv[i]); | |
45 | } | |
46 | packet_flush(fd[1]); | |
47 | ||
48 | len = packet_read_line(fd[0], buf, sizeof(buf)); | |
49 | if (!len) | |
50 | die("git archive: expected ACK/NAK, got EOF"); | |
51 | if (buf[len-1] == '\n') | |
52 | buf[--len] = 0; | |
53 | if (strcmp(buf, "ACK")) { | |
54 | if (len > 5 && !prefixcmp(buf, "NACK ")) | |
55 | die("git archive: NACK %s", buf + 5); | |
56 | die("git archive: protocol error"); | |
57 | } | |
58 | ||
59 | len = packet_read_line(fd[0], buf, sizeof(buf)); | |
60 | if (len) | |
61 | die("git archive: expected a flush"); | |
62 | ||
63 | /* Now, start reading from fd[0] and spit it out to stdout */ | |
64 | rv = recv_sideband("archive", fd[0], 1, 2); | |
65 | close(fd[0]); | |
66 | close(fd[1]); | |
67 | rv |= finish_connect(conn); | |
68 | ||
69 | return !!rv; | |
70 | } | |
71 | ||
72 | static const char *extract_remote_arg(int *ac, const char **av) | |
73 | { | |
74 | int ix, iy, cnt = *ac; | |
75 | int no_more_options = 0; | |
76 | const char *remote = NULL; | |
77 | ||
78 | for (ix = iy = 1; ix < cnt; ix++) { | |
79 | const char *arg = av[ix]; | |
80 | if (!strcmp(arg, "--")) | |
81 | no_more_options = 1; | |
82 | if (!no_more_options) { | |
83 | if (!prefixcmp(arg, "--remote=")) { | |
84 | if (remote) | |
85 | die("Multiple --remote specified"); | |
86 | remote = arg + 9; | |
87 | continue; | |
88 | } else if (!strcmp(arg, "--remote")) { | |
89 | if (remote) | |
90 | die("Multiple --remote specified"); | |
91 | if (++ix >= cnt) | |
92 | die("option --remote requires a value"); | |
93 | remote = av[ix]; | |
94 | continue; | |
95 | } | |
96 | if (arg[0] != '-') | |
97 | no_more_options = 1; | |
98 | } | |
99 | if (ix != iy) | |
100 | av[iy] = arg; | |
101 | iy++; | |
102 | } | |
103 | if (remote) { | |
104 | av[--cnt] = NULL; | |
105 | *ac = cnt; | |
106 | } | |
107 | return remote; | |
108 | } | |
109 | ||
110 | int cmd_archive(int argc, const char **argv, const char *prefix) | |
111 | { | |
112 | const char *remote = NULL; | |
113 | ||
114 | remote = extract_remote_arg(&argc, argv); | |
115 | if (remote) | |
116 | return run_remote_archiver(remote, argc, argv); | |
117 | ||
118 | setvbuf(stderr, NULL, _IOLBF, BUFSIZ); | |
119 | ||
120 | return write_archive(argc, argv, prefix, 1); | |
121 | } |