зеркало из https://github.com/microsoft/git.git
124 строки
2.7 KiB
C
124 строки
2.7 KiB
C
/*
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* Copyright (c) 2006 Franck Bui-Huu
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* Copyright (c) 2006 Rene Scharfe
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*/
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#include "cache.h"
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#include "builtin.h"
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#include "archive.h"
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#include "pkt-line.h"
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#include "sideband.h"
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static int run_remote_archiver(const char *remote, int argc,
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const char **argv)
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{
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char *url, buf[LARGE_PACKET_MAX];
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int fd[2], i, len, rv;
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struct child_process *conn;
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const char *exec = "git-upload-archive";
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int exec_at = 0, exec_value_at = 0;
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for (i = 1; i < argc; i++) {
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const char *arg = argv[i];
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if (!prefixcmp(arg, "--exec=")) {
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if (exec_at)
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die("multiple --exec specified");
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exec = arg + 7;
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exec_at = i;
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} else if (!strcmp(arg, "--exec")) {
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if (exec_at)
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die("multiple --exec specified");
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if (i + 1 >= argc)
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die("option --exec requires a value");
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exec = argv[i + 1];
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exec_at = i;
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exec_value_at = ++i;
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}
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}
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url = xstrdup(remote);
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conn = git_connect(fd, url, exec, 0);
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for (i = 1; i < argc; i++) {
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if (i == exec_at || i == exec_value_at)
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continue;
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packet_write(fd[1], "argument %s\n", argv[i]);
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}
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packet_flush(fd[1]);
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len = packet_read_line(fd[0], buf, sizeof(buf));
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if (!len)
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die("git archive: expected ACK/NAK, got EOF");
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if (buf[len-1] == '\n')
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buf[--len] = 0;
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if (strcmp(buf, "ACK")) {
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if (len > 5 && !prefixcmp(buf, "NACK "))
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die("git archive: NACK %s", buf + 5);
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die("git archive: protocol error");
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}
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len = packet_read_line(fd[0], buf, sizeof(buf));
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if (len)
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die("git archive: expected a flush");
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/* Now, start reading from fd[0] and spit it out to stdout */
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rv = recv_sideband("archive", fd[0], 1, 2);
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close(fd[0]);
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close(fd[1]);
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rv |= finish_connect(conn);
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return !!rv;
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}
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static const char *extract_remote_arg(int *ac, const char **av)
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{
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int ix, iy, cnt = *ac;
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int no_more_options = 0;
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const char *remote = NULL;
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for (ix = iy = 1; ix < cnt; ix++) {
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const char *arg = av[ix];
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if (!strcmp(arg, "--"))
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no_more_options = 1;
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if (!no_more_options) {
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if (!prefixcmp(arg, "--remote=")) {
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if (remote)
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die("Multiple --remote specified");
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remote = arg + 9;
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continue;
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} else if (!strcmp(arg, "--remote")) {
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if (remote)
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die("Multiple --remote specified");
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if (++ix >= cnt)
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die("option --remote requires a value");
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remote = av[ix];
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continue;
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}
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if (arg[0] != '-')
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no_more_options = 1;
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}
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if (ix != iy)
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av[iy] = arg;
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iy++;
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}
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if (remote) {
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av[--cnt] = NULL;
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*ac = cnt;
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}
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return remote;
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}
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int cmd_archive(int argc, const char **argv, const char *prefix)
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{
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const char *remote = NULL;
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git_config(git_default_config, NULL);
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remote = extract_remote_arg(&argc, argv);
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if (remote)
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return run_remote_archiver(remote, argc, argv);
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setvbuf(stderr, NULL, _IOLBF, BUFSIZ);
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return write_archive(argc, argv, prefix, 1);
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}
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