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/*
* Copyright (c) 2006 Franck Bui-Huu
* Copyright (c) 2006 Rene Scharfe
*/
#include "cache.h"
#include "builtin.h"
#include "archive.h"
#include "pkt-line.h"
#include "sideband.h"
static int run_remote_archiver(const char *remote, int argc,
const char **argv)
{
char *url, buf[LARGE_PACKET_MAX];
int fd[2], i, len, rv;
struct child_process *conn;
const char *exec = "git-upload-archive";
int exec_at = 0, exec_value_at = 0;
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
if (!prefixcmp(arg, "--exec=")) {
if (exec_at)
die("multiple --exec specified");
exec = arg + 7;
exec_at = i;
} else if (!strcmp(arg, "--exec")) {
if (exec_at)
die("multiple --exec specified");
if (i + 1 >= argc)
die("option --exec requires a value");
exec = argv[i + 1];
exec_at = i;
exec_value_at = ++i;
}
}
url = xstrdup(remote);
conn = git_connect(fd, url, exec, 0);
for (i = 1; i < argc; i++) {
if (i == exec_at || i == exec_value_at)
continue;
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, 2);
close(fd[0]);
close(fd[1]);
rv |= finish_connect(conn);
return !!rv;
}
static const char *extract_remote_arg(int *ac, const char **av)
{
int ix, iy, cnt = *ac;
int no_more_options = 0;
const char *remote = NULL;
for (ix = iy = 1; ix < cnt; ix++) {
const char *arg = av[ix];
if (!strcmp(arg, "--"))
no_more_options = 1;
if (!no_more_options) {
if (!prefixcmp(arg, "--remote=")) {
if (remote)
die("Multiple --remote specified");
remote = arg + 9;
continue;
} else if (!strcmp(arg, "--remote")) {
if (remote)
die("Multiple --remote specified");
if (++ix >= cnt)
die("option --remote requires a value");
remote = av[ix];
continue;
}
if (arg[0] != '-')
no_more_options = 1;
}
if (ix != iy)
av[iy] = arg;
iy++;
}
if (remote) {
av[--cnt] = NULL;
*ac = cnt;
}
return remote;
}
int cmd_archive(int argc, const char **argv, const char *prefix)
{
const char *remote = NULL;
remote = extract_remote_arg(&argc, argv);
if (remote)
return run_remote_archiver(remote, argc, argv);
setvbuf(stderr, NULL, _IOLBF, BUFSIZ);
return write_archive(argc, argv, prefix, 1);
}