96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
/*
|
|
* Copyright (c) 2006 Franck Bui-Huu
|
|
* Copyright (c) 2006 Rene Scharfe
|
|
*/
|
|
#include "cache.h"
|
|
#include "builtin.h"
|
|
#include "archive.h"
|
|
#include "parse-options.h"
|
|
#include "pkt-line.h"
|
|
#include "sideband.h"
|
|
|
|
static void create_output_file(const char *output_file)
|
|
{
|
|
int output_fd = open(output_file, O_CREAT | O_WRONLY | O_TRUNC, 0666);
|
|
if (output_fd < 0)
|
|
die_errno("could not create archive file '%s'", output_file);
|
|
if (output_fd != 1) {
|
|
if (dup2(output_fd, 1) < 0)
|
|
die_errno("could not redirect output");
|
|
else
|
|
close(output_fd);
|
|
}
|
|
}
|
|
|
|
static int run_remote_archiver(int argc, const char **argv,
|
|
const char *remote, const char *exec)
|
|
{
|
|
char *url, buf[LARGE_PACKET_MAX];
|
|
int fd[2], i, len, rv;
|
|
struct child_process *conn;
|
|
|
|
url = xstrdup(remote);
|
|
conn = git_connect(fd, url, exec, 0);
|
|
|
|
for (i = 1; i < argc; i++)
|
|
packet_write(fd[1], "argument %s\n", argv[i]);
|
|
packet_flush(fd[1]);
|
|
|
|
len = packet_read_line(fd[0], buf, sizeof(buf));
|
|
if (!len)
|
|
die("git archive: expected ACK/NAK, got EOF");
|
|
if (buf[len-1] == '\n')
|
|
buf[--len] = 0;
|
|
if (strcmp(buf, "ACK")) {
|
|
if (len > 5 && !prefixcmp(buf, "NACK "))
|
|
die("git archive: NACK %s", buf + 5);
|
|
die("git archive: protocol error");
|
|
}
|
|
|
|
len = packet_read_line(fd[0], buf, sizeof(buf));
|
|
if (len)
|
|
die("git archive: expected a flush");
|
|
|
|
/* Now, start reading from fd[0] and spit it out to stdout */
|
|
rv = recv_sideband("archive", fd[0], 1);
|
|
close(fd[0]);
|
|
close(fd[1]);
|
|
rv |= finish_connect(conn);
|
|
|
|
return !!rv;
|
|
}
|
|
|
|
#define PARSE_OPT_KEEP_ALL ( PARSE_OPT_KEEP_DASHDASH | \
|
|
PARSE_OPT_KEEP_ARGV0 | \
|
|
PARSE_OPT_KEEP_UNKNOWN | \
|
|
PARSE_OPT_NO_INTERNAL_HELP )
|
|
|
|
int cmd_archive(int argc, const char **argv, const char *prefix)
|
|
{
|
|
const char *exec = "git-upload-archive";
|
|
const char *output = NULL;
|
|
const char *remote = NULL;
|
|
struct option local_opts[] = {
|
|
OPT_STRING(0, "output", &output, "file",
|
|
"write the archive to this file"),
|
|
OPT_STRING(0, "remote", &remote, "repo",
|
|
"retrieve the archive from remote repository <repo>"),
|
|
OPT_STRING(0, "exec", &exec, "cmd",
|
|
"path to the remote git-upload-archive command"),
|
|
OPT_END()
|
|
};
|
|
|
|
argc = parse_options(argc, argv, prefix, local_opts, NULL,
|
|
PARSE_OPT_KEEP_ALL);
|
|
|
|
if (output)
|
|
create_output_file(output);
|
|
|
|
if (remote)
|
|
return run_remote_archiver(argc, argv, remote, exec);
|
|
|
|
setvbuf(stderr, NULL, _IOLBF, BUFSIZ);
|
|
|
|
return write_archive(argc, argv, prefix, 1);
|
|
}
|