diff options
Diffstat (limited to 'builtin-upload-archive.c')
-rw-r--r-- | builtin-upload-archive.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/builtin-upload-archive.c b/builtin-upload-archive.c deleted file mode 100644 index c4cd1e1327..0000000000 --- a/builtin-upload-archive.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * Copyright (c) 2006 Franck Bui-Huu - */ -#include "cache.h" -#include "builtin.h" -#include "archive.h" -#include "pkt-line.h" -#include "sideband.h" - -static const char upload_archive_usage[] = - "git upload-archive <repo>"; - -static const char deadchild[] = -"git upload-archive: archiver died with error"; - -static const char lostchild[] = -"git upload-archive: archiver process was lost"; - -#define MAX_ARGS (64) - -static int run_upload_archive(int argc, const char **argv, const char *prefix) -{ - const char *sent_argv[MAX_ARGS]; - const char *arg_cmd = "argument "; - char *p, buf[4096]; - int sent_argc; - int len; - - if (argc != 2) - usage(upload_archive_usage); - - if (strlen(argv[1]) + 1 > sizeof(buf)) - die("insanely long repository name"); - - strcpy(buf, argv[1]); /* enter-repo smudges its argument */ - - if (!enter_repo(buf, 0)) - die("'%s' does not appear to be a git repository", buf); - - /* put received options in sent_argv[] */ - sent_argc = 1; - sent_argv[0] = "git-upload-archive"; - for (p = buf;;) { - /* This will die if not enough free space in buf */ - len = packet_read_line(0, p, (buf + sizeof buf) - p); - if (len == 0) - break; /* got a flush */ - if (sent_argc > MAX_ARGS - 2) - die("Too many options (>%d)", MAX_ARGS - 2); - - if (p[len-1] == '\n') { - p[--len] = 0; - } - if (len < strlen(arg_cmd) || - strncmp(arg_cmd, p, strlen(arg_cmd))) - die("'argument' token or flush expected"); - - len -= strlen(arg_cmd); - memmove(p, p + strlen(arg_cmd), len); - sent_argv[sent_argc++] = p; - p += len; - *p++ = 0; - } - sent_argv[sent_argc] = NULL; - - /* parse all options sent by the client */ - return write_archive(sent_argc, sent_argv, prefix, 0); -} - -static void error_clnt(const char *fmt, ...) -{ - char buf[1024]; - va_list params; - int len; - - va_start(params, fmt); - len = vsprintf(buf, fmt, params); - va_end(params); - send_sideband(1, 3, buf, len, LARGE_PACKET_MAX); - die("sent error to the client: %s", buf); -} - -static ssize_t process_input(int child_fd, int band) -{ - char buf[16384]; - ssize_t sz = read(child_fd, buf, sizeof(buf)); - if (sz < 0) { - if (errno != EAGAIN && errno != EINTR) - error_clnt("read error: %s\n", strerror(errno)); - return sz; - } - send_sideband(1, band, buf, sz, LARGE_PACKET_MAX); - return sz; -} - -int cmd_upload_archive(int argc, const char **argv, const char *prefix) -{ - pid_t writer; - int fd1[2], fd2[2]; - /* - * Set up sideband subprocess. - * - * We (parent) monitor and read from child, sending its fd#1 and fd#2 - * multiplexed out to our fd#1. If the child dies, we tell the other - * end over channel #3. - */ - if (pipe(fd1) < 0 || pipe(fd2) < 0) { - int err = errno; - packet_write(1, "NACK pipe failed on the remote side\n"); - die("upload-archive: %s", strerror(err)); - } - writer = fork(); - if (writer < 0) { - int err = errno; - packet_write(1, "NACK fork failed on the remote side\n"); - die("upload-archive: %s", strerror(err)); - } - if (!writer) { - /* child - connect fd#1 and fd#2 to the pipe */ - dup2(fd1[1], 1); - dup2(fd2[1], 2); - close(fd1[1]); close(fd2[1]); - close(fd1[0]); close(fd2[0]); /* we do not read from pipe */ - - exit(run_upload_archive(argc, argv, prefix)); - } - - /* parent - read from child, multiplex and send out to fd#1 */ - close(fd1[1]); close(fd2[1]); /* we do not write to pipe */ - packet_write(1, "ACK\n"); - packet_flush(1); - - while (1) { - struct pollfd pfd[2]; - ssize_t processed[2] = { 0, 0 }; - int status; - - pfd[0].fd = fd1[0]; - pfd[0].events = POLLIN; - pfd[1].fd = fd2[0]; - pfd[1].events = POLLIN; - if (poll(pfd, 2, -1) < 0) { - if (errno != EINTR) { - error("poll failed resuming: %s", - strerror(errno)); - sleep(1); - } - continue; - } - if (pfd[0].revents & POLLIN) - /* Data stream ready */ - processed[0] = process_input(pfd[0].fd, 1); - if (pfd[1].revents & POLLIN) - /* Status stream ready */ - processed[1] = process_input(pfd[1].fd, 2); - /* Always finish to read data when available */ - if (processed[0] || processed[1]) - continue; - - if (waitpid(writer, &status, 0) < 0) - error_clnt("%s", lostchild); - else if (!WIFEXITED(status) || WEXITSTATUS(status) > 0) - error_clnt("%s", deadchild); - packet_flush(1); - break; - } - return 0; -} |