xbps/bin/xbps-rindex/repoflush.c
2013-06-20 12:31:02 +02:00

95 lines
2.8 KiB
C

/*-
* Copyright (c) 2013 Juan Romero Pardines.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/stat.h>
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <dirent.h>
#include <libgen.h>
#include <assert.h>
#include <fcntl.h>
#include <xbps.h>
#include "defs.h"
int
repodata_flush(struct xbps_handle *xhp, const char *repodir,
xbps_dictionary_t idx, xbps_dictionary_t idxfiles)
{
struct archive *ar;
mode_t myumask;
char *repofile, *tname, *xml;
int repofd;
/* Create a tempfile for our repository archive */
repofile = xbps_repo_path(xhp, repodir);
tname = xbps_xasprintf("%s.XXXXXXXXXX", repofile);
if ((repofd = mkstemp(tname)) == -1)
return errno;
/* Create and write our repository archive */
ar = archive_write_new();
assert(ar);
archive_write_add_filter_gzip(ar);
archive_write_set_format_pax_restricted(ar);
archive_write_set_options(ar, "compression-level=9");
archive_write_open_fd(ar, repofd);
xml = xbps_dictionary_externalize(idx);
assert(xml);
if (xbps_archive_append_buf(ar, xml, strlen(xml),
XBPS_PKGINDEX, 0644, "root", "root") != 0) {
free(xml);
return -1;
}
free(xml);
xml = xbps_dictionary_externalize(idxfiles);
assert(xml);
if (xbps_archive_append_buf(ar, xml, strlen(xml),
XBPS_PKGINDEX_FILES, 0644, "root", "root") != 0) {
free(xml);
return -1;
}
free(xml);
archive_write_free(ar);
/* Write data to tempfile and rename */
fdatasync(repofd);
myumask = umask(0);
(void)umask(myumask);
assert(fchmod(repofd, 0666 & ~myumask) != -1);
close(repofd);
rename(tname, repofile);
free(repofile);
free(tname);
return 0;
}