6d87bf04d0
This reverts commit e76874f513.
This slows down some ops that were much faster before; will use another approach.
95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
/*-
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* Copyright (c) 2013 Juan Romero Pardines.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/stat.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <dirent.h>
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#include <libgen.h>
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#include <assert.h>
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#include <fcntl.h>
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#include <xbps.h>
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#include "defs.h"
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int
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repodata_flush(struct xbps_handle *xhp, const char *repodir,
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xbps_dictionary_t idx, xbps_dictionary_t idxfiles)
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{
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struct archive *ar;
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mode_t myumask;
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char *repofile, *tname, *xml;
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int repofd;
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/* Create a tempfile for our repository archive */
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repofile = xbps_repo_path(xhp, repodir);
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tname = xbps_xasprintf("%s.XXXXXXXXXX", repofile);
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if ((repofd = mkstemp(tname)) == -1)
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return errno;
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/* Create and write our repository archive */
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ar = archive_write_new();
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assert(ar);
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archive_write_add_filter_gzip(ar);
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archive_write_set_format_pax_restricted(ar);
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archive_write_set_options(ar, "compression-level=9");
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archive_write_open_fd(ar, repofd);
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xml = xbps_dictionary_externalize(idx);
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assert(xml);
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if (xbps_archive_append_buf(ar, xml, strlen(xml),
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XBPS_PKGINDEX, 0644, "root", "root") != 0) {
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free(xml);
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return -1;
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}
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free(xml);
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xml = xbps_dictionary_externalize(idxfiles);
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assert(xml);
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if (xbps_archive_append_buf(ar, xml, strlen(xml),
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XBPS_PKGINDEX_FILES, 0644, "root", "root") != 0) {
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free(xml);
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return -1;
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}
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free(xml);
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archive_write_free(ar);
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/* Write data to tempfile and rename */
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fdatasync(repofd);
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myumask = umask(0);
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(void)umask(myumask);
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assert(fchmod(repofd, 0666 & ~myumask) != -1);
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close(repofd);
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rename(tname, repofile);
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free(repofile);
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free(tname);
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return 0;
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}
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