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Commit | Line | Data |
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4df096a5 FBH |
1 | /* |
2 | * Copyright (c) 2006 Franck Bui-Huu | |
3 | * Copyright (c) 2006 Rene Scharfe | |
4 | */ | |
4df096a5 FBH |
5 | #include "cache.h" |
6 | #include "builtin.h" | |
7 | #include "archive.h" | |
b236752a | 8 | #include "transport.h" |
52e77876 | 9 | #include "parse-options.h" |
4df096a5 | 10 | #include "pkt-line.h" |
23d6d112 | 11 | #include "sideband.h" |
4df096a5 | 12 | |
52e77876 RS |
13 | static void create_output_file(const char *output_file) |
14 | { | |
15 | int output_fd = open(output_file, O_CREAT | O_WRONLY | O_TRUNC, 0666); | |
16 | if (output_fd < 0) | |
788a3755 | 17 | die_errno(_("could not create archive file '%s'"), output_file); |
52e77876 RS |
18 | if (output_fd != 1) { |
19 | if (dup2(output_fd, 1) < 0) | |
788a3755 | 20 | die_errno(_("could not redirect output")); |
52e77876 RS |
21 | else |
22 | close(output_fd); | |
23 | } | |
24 | } | |
25 | ||
26 | static int run_remote_archiver(int argc, const char **argv, | |
56baa61d JK |
27 | const char *remote, const char *exec, |
28 | const char *name_hint) | |
4df096a5 | 29 | { |
74543a04 JK |
30 | char *buf; |
31 | int fd[2], i, rv; | |
b236752a IL |
32 | struct transport *transport; |
33 | struct remote *_remote; | |
4df096a5 | 34 | |
b236752a IL |
35 | _remote = remote_get(remote); |
36 | if (!_remote->url[0]) | |
788a3755 | 37 | die(_("git archive: Remote with no URL")); |
b236752a IL |
38 | transport = transport_get(_remote, _remote->url[0]); |
39 | transport_connect(transport, "git-upload-archive", exec, fd); | |
4df096a5 | 40 | |
56baa61d JK |
41 | /* |
42 | * Inject a fake --format field at the beginning of the | |
43 | * arguments, with the format inferred from our output | |
44 | * filename. This way explicit --format options can override | |
45 | * it. | |
46 | */ | |
47 | if (name_hint) { | |
48 | const char *format = archive_format_from_filename(name_hint); | |
49 | if (format) | |
81c634e9 | 50 | packet_write_fmt(fd[1], "argument --format=%s\n", format); |
56baa61d | 51 | } |
52e77876 | 52 | for (i = 1; i < argc; i++) |
81c634e9 | 53 | packet_write_fmt(fd[1], "argument %s\n", argv[i]); |
4df096a5 FBH |
54 | packet_flush(fd[1]); |
55 | ||
74543a04 JK |
56 | buf = packet_read_line(fd[0], NULL); |
57 | if (!buf) | |
788a3755 | 58 | die(_("git archive: expected ACK/NAK, got EOF")); |
4df096a5 | 59 | if (strcmp(buf, "ACK")) { |
59556548 | 60 | if (starts_with(buf, "NACK ")) |
788a3755 | 61 | die(_("git archive: NACK %s"), buf + 5); |
59556548 | 62 | if (starts_with(buf, "ERR ")) |
908aaceb | 63 | die(_("remote error: %s"), buf + 4); |
788a3755 | 64 | die(_("git archive: protocol error")); |
4df096a5 FBH |
65 | } |
66 | ||
74543a04 | 67 | if (packet_read_line(fd[0], NULL)) |
788a3755 | 68 | die(_("git archive: expected a flush")); |
4df096a5 FBH |
69 | |
70 | /* Now, start reading from fd[0] and spit it out to stdout */ | |
34df8aba | 71 | rv = recv_sideband("archive", fd[0], 1); |
b236752a | 72 | rv |= transport_disconnect(transport); |
4df096a5 FBH |
73 | |
74 | return !!rv; | |
75 | } | |
76 | ||
52e77876 RS |
77 | #define PARSE_OPT_KEEP_ALL ( PARSE_OPT_KEEP_DASHDASH | \ |
78 | PARSE_OPT_KEEP_ARGV0 | \ | |
79 | PARSE_OPT_KEEP_UNKNOWN | \ | |
80 | PARSE_OPT_NO_INTERNAL_HELP ) | |
37f94436 | 81 | |
4df096a5 FBH |
82 | int cmd_archive(int argc, const char **argv, const char *prefix) |
83 | { | |
52e77876 RS |
84 | const char *exec = "git-upload-archive"; |
85 | const char *output = NULL; | |
37f94436 | 86 | const char *remote = NULL; |
52e77876 | 87 | struct option local_opts[] = { |
eb0224c6 JH |
88 | OPT_FILENAME('o', "output", &output, |
89 | N_("write the archive to this file")), | |
0012a387 NTND |
90 | OPT_STRING(0, "remote", &remote, N_("repo"), |
91 | N_("retrieve the archive from remote repository <repo>")), | |
b0ff9654 | 92 | OPT_STRING(0, "exec", &exec, N_("command"), |
0012a387 | 93 | N_("path to the remote git-upload-archive command")), |
52e77876 RS |
94 | OPT_END() |
95 | }; | |
96 | ||
37782920 SB |
97 | argc = parse_options(argc, argv, prefix, local_opts, NULL, |
98 | PARSE_OPT_KEEP_ALL); | |
52e77876 | 99 | |
56baa61d | 100 | if (output) |
52e77876 | 101 | create_output_file(output); |
4df096a5 | 102 | |
37f94436 | 103 | if (remote) |
56baa61d | 104 | return run_remote_archiver(argc, argv, remote, exec, output); |
4df096a5 | 105 | |
aa909861 | 106 | setvbuf(stderr, NULL, _IOLBF, BUFSIZ); |
8142f603 | 107 | |
eb0224c6 | 108 | return write_archive(argc, argv, prefix, output, 0); |
4df096a5 | 109 | } |