2 * Copyright (c) 2006 Franck Bui-Huu
3 * Copyright (c) 2006 Rene Scharfe
9 #include "parse-options.h"
13 static void create_output_file(const char *output_file
)
15 int output_fd
= xopen(output_file
, O_CREAT
| O_WRONLY
| O_TRUNC
, 0666);
17 if (dup2(output_fd
, 1) < 0)
18 die_errno(_("could not redirect output"));
24 static int run_remote_archiver(int argc
, const char **argv
,
25 const char *remote
, const char *exec
,
26 const char *name_hint
)
29 struct transport
*transport
;
30 struct remote
*_remote
;
31 struct packet_reader reader
;
33 _remote
= remote_get(remote
);
35 die(_("git archive: Remote with no URL"));
36 transport
= transport_get(_remote
, _remote
->url
[0]);
37 transport_connect(transport
, "git-upload-archive", exec
, fd
);
40 * Inject a fake --format field at the beginning of the
41 * arguments, with the format inferred from our output
42 * filename. This way explicit --format options can override
46 const char *format
= archive_format_from_filename(name_hint
);
48 packet_write_fmt(fd
[1], "argument --format=%s\n", format
);
50 for (i
= 1; i
< argc
; i
++)
51 packet_write_fmt(fd
[1], "argument %s\n", argv
[i
]);
54 packet_reader_init(&reader
, fd
[0], NULL
, 0,
55 PACKET_READ_CHOMP_NEWLINE
|
56 PACKET_READ_DIE_ON_ERR_PACKET
);
58 if (packet_reader_read(&reader
) != PACKET_READ_NORMAL
)
59 die(_("git archive: expected ACK/NAK, got a flush packet"));
60 if (strcmp(reader
.line
, "ACK")) {
61 if (starts_with(reader
.line
, "NACK "))
62 die(_("git archive: NACK %s"), reader
.line
+ 5);
63 die(_("git archive: protocol error"));
66 if (packet_reader_read(&reader
) != PACKET_READ_FLUSH
)
67 die(_("git archive: expected a flush"));
69 /* Now, start reading from fd[0] and spit it out to stdout */
70 rv
= recv_sideband("archive", fd
[0], 1);
71 rv
|= transport_disconnect(transport
);
76 #define PARSE_OPT_KEEP_ALL ( PARSE_OPT_KEEP_DASHDASH | \
77 PARSE_OPT_KEEP_ARGV0 | \
78 PARSE_OPT_KEEP_UNKNOWN | \
79 PARSE_OPT_NO_INTERNAL_HELP )
81 int cmd_archive(int argc
, const char **argv
, const char *prefix
)
83 const char *exec
= "git-upload-archive";
84 const char *output
= NULL
;
85 const char *remote
= NULL
;
86 struct option local_opts
[] = {
87 OPT_FILENAME('o', "output", &output
,
88 N_("write the archive to this file")),
89 OPT_STRING(0, "remote", &remote
, N_("repo"),
90 N_("retrieve the archive from remote repository <repo>")),
91 OPT_STRING(0, "exec", &exec
, N_("command"),
92 N_("path to the remote git-upload-archive command")),
96 argc
= parse_options(argc
, argv
, prefix
, local_opts
, NULL
,
102 create_output_file(output
);
105 return run_remote_archiver(argc
, argv
, remote
, exec
, output
);
107 setvbuf(stderr
, NULL
, _IOLBF
, BUFSIZ
);
109 return write_archive(argc
, argv
, prefix
, the_repository
, output
, 0);