]>
Commit | Line | Data |
---|---|---|
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) | |
0721c314 | 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) | |
0721c314 | 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, | |
27 | const char *remote, const char *exec) | |
4df096a5 | 28 | { |
b236752a | 29 | char buf[LARGE_PACKET_MAX]; |
4df096a5 | 30 | int fd[2], i, len, rv; |
b236752a IL |
31 | struct transport *transport; |
32 | struct remote *_remote; | |
4df096a5 | 33 | |
b236752a IL |
34 | _remote = remote_get(remote); |
35 | if (!_remote->url[0]) | |
36 | die("git archive: Remote with no URL"); | |
37 | transport = transport_get(_remote, _remote->url[0]); | |
38 | transport_connect(transport, "git-upload-archive", exec, fd); | |
4df096a5 | 39 | |
52e77876 | 40 | for (i = 1; i < argc; i++) |
4df096a5 | 41 | packet_write(fd[1], "argument %s\n", argv[i]); |
4df096a5 FBH |
42 | packet_flush(fd[1]); |
43 | ||
44 | len = packet_read_line(fd[0], buf, sizeof(buf)); | |
45 | if (!len) | |
34baebce | 46 | die("git archive: expected ACK/NAK, got EOF"); |
4df096a5 FBH |
47 | if (buf[len-1] == '\n') |
48 | buf[--len] = 0; | |
49 | if (strcmp(buf, "ACK")) { | |
cc44c765 | 50 | if (len > 5 && !prefixcmp(buf, "NACK ")) |
34baebce HO |
51 | die("git archive: NACK %s", buf + 5); |
52 | die("git archive: protocol error"); | |
4df096a5 FBH |
53 | } |
54 | ||
55 | len = packet_read_line(fd[0], buf, sizeof(buf)); | |
56 | if (len) | |
34baebce | 57 | die("git archive: expected a flush"); |
4df096a5 FBH |
58 | |
59 | /* Now, start reading from fd[0] and spit it out to stdout */ | |
34df8aba | 60 | rv = recv_sideband("archive", fd[0], 1); |
b236752a | 61 | rv |= transport_disconnect(transport); |
4df096a5 FBH |
62 | |
63 | return !!rv; | |
64 | } | |
65 | ||
0f4b377c DP |
66 | static const char *format_from_name(const char *filename) |
67 | { | |
68 | const char *ext = strrchr(filename, '.'); | |
69 | if (!ext) | |
70 | return NULL; | |
71 | ext++; | |
72 | if (!strcasecmp(ext, "zip")) | |
73 | return "zip"; | |
74 | return NULL; | |
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; |
0f4b377c | 87 | const char *format = NULL; |
52e77876 | 88 | struct option local_opts[] = { |
05d3951e | 89 | OPT_STRING('o', "output", &output, "file", |
52e77876 RS |
90 | "write the archive to this file"), |
91 | OPT_STRING(0, "remote", &remote, "repo", | |
92 | "retrieve the archive from remote repository <repo>"), | |
93 | OPT_STRING(0, "exec", &exec, "cmd", | |
94 | "path to the remote git-upload-archive command"), | |
0f4b377c | 95 | OPT_STRING(0, "format", &format, "fmt", "archive format"), |
52e77876 RS |
96 | OPT_END() |
97 | }; | |
0f4b377c | 98 | char fmt_opt[32]; |
52e77876 | 99 | |
37782920 SB |
100 | argc = parse_options(argc, argv, prefix, local_opts, NULL, |
101 | PARSE_OPT_KEEP_ALL); | |
52e77876 | 102 | |
0f4b377c | 103 | if (output) { |
52e77876 | 104 | create_output_file(output); |
0f4b377c DP |
105 | if (!format) |
106 | format = format_from_name(output); | |
107 | } | |
108 | ||
109 | if (format) { | |
110 | sprintf(fmt_opt, "--format=%s", format); | |
111 | /* | |
782a0005 JH |
112 | * We have enough room in argv[] to muck it in place, |
113 | * because either --format and/or --output must have | |
114 | * been given on the original command line if we get | |
115 | * to this point, and parse_options() must have eaten | |
116 | * it, i.e. we can add back one element to the array. | |
117 | * But argv[] may contain "--"; we should make it the | |
118 | * first option. | |
0f4b377c | 119 | */ |
782a0005 JH |
120 | memmove(argv + 2, argv + 1, sizeof(*argv) * argc); |
121 | argv[1] = fmt_opt; | |
122 | argv[++argc] = NULL; | |
0f4b377c | 123 | } |
4df096a5 | 124 | |
37f94436 | 125 | if (remote) |
52e77876 | 126 | return run_remote_archiver(argc, argv, remote, exec); |
4df096a5 | 127 | |
aa909861 | 128 | setvbuf(stderr, NULL, _IOLBF, BUFSIZ); |
8142f603 | 129 | |
6e94e683 | 130 | return write_archive(argc, argv, prefix, 1); |
4df096a5 | 131 | } |