Merge branch 'jt/http-redact-cookies' into maint
[git.git] / builtin / archive.c
blobf863465a0fa137f3446071a0ec1653adad536fdc
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 "transport.h"
9 #include "parse-options.h"
10 #include "pkt-line.h"
11 #include "sideband.h"
13 static void create_output_file(const char *output_file)
15 int output_fd = open(output_file, O_CREAT | O_WRONLY | O_TRUNC, 0666);
16 if (output_fd < 0)
17 die_errno(_("could not create archive file '%s'"), output_file);
18 if (output_fd != 1) {
19 if (dup2(output_fd, 1) < 0)
20 die_errno(_("could not redirect output"));
21 else
22 close(output_fd);
26 static int run_remote_archiver(int argc, const char **argv,
27 const char *remote, const char *exec,
28 const char *name_hint)
30 char *buf;
31 int fd[2], i, rv;
32 struct transport *transport;
33 struct remote *_remote;
35 _remote = remote_get(remote);
36 if (!_remote->url[0])
37 die(_("git archive: Remote with no URL"));
38 transport = transport_get(_remote, _remote->url[0]);
39 transport_connect(transport, "git-upload-archive", exec, fd);
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.
47 if (name_hint) {
48 const char *format = archive_format_from_filename(name_hint);
49 if (format)
50 packet_write_fmt(fd[1], "argument --format=%s\n", format);
52 for (i = 1; i < argc; i++)
53 packet_write_fmt(fd[1], "argument %s\n", argv[i]);
54 packet_flush(fd[1]);
56 buf = packet_read_line(fd[0], NULL);
57 if (!buf)
58 die(_("git archive: expected ACK/NAK, got EOF"));
59 if (strcmp(buf, "ACK")) {
60 if (starts_with(buf, "NACK "))
61 die(_("git archive: NACK %s"), buf + 5);
62 if (starts_with(buf, "ERR "))
63 die(_("remote error: %s"), buf + 4);
64 die(_("git archive: protocol error"));
67 if (packet_read_line(fd[0], NULL))
68 die(_("git archive: expected a flush"));
70 /* Now, start reading from fd[0] and spit it out to stdout */
71 rv = recv_sideband("archive", fd[0], 1);
72 rv |= transport_disconnect(transport);
74 return !!rv;
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 )
82 int cmd_archive(int argc, const char **argv, const char *prefix)
84 const char *exec = "git-upload-archive";
85 const char *output = NULL;
86 const char *remote = NULL;
87 struct option local_opts[] = {
88 OPT_FILENAME('o', "output", &output,
89 N_("write the archive to this file")),
90 OPT_STRING(0, "remote", &remote, N_("repo"),
91 N_("retrieve the archive from remote repository <repo>")),
92 OPT_STRING(0, "exec", &exec, N_("command"),
93 N_("path to the remote git-upload-archive command")),
94 OPT_END()
97 argc = parse_options(argc, argv, prefix, local_opts, NULL,
98 PARSE_OPT_KEEP_ALL);
100 if (output)
101 create_output_file(output);
103 if (remote)
104 return run_remote_archiver(argc, argv, remote, exec, output);
106 setvbuf(stderr, NULL, _IOLBF, BUFSIZ);
108 return write_archive(argc, argv, prefix, output, 0);