128 lines
3.0 KiB
C
128 lines
3.0 KiB
C
/*-
|
|
* Licensed under the SPDX BSD-2-Clause identifier.
|
|
* Use is subject to license terms, as specified in the LICENSE file.
|
|
*/
|
|
|
|
#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"
|
|
|
|
bool
|
|
repodata_flush(struct xbps_handle *xhp, const char *repodir,
|
|
const char *reponame, xbps_dictionary_t idx, xbps_dictionary_t meta,
|
|
const char *compression)
|
|
{
|
|
struct archive *ar;
|
|
char *repofile, *tname, *buf;
|
|
int rv, repofd = -1;
|
|
mode_t mask;
|
|
bool result;
|
|
|
|
/* Create a tempfile for our repository archive */
|
|
repofile = xbps_repo_path_with_name(xhp, repodir, reponame);
|
|
assert(repofile);
|
|
tname = xbps_xasprintf("%s.XXXXXXXXXX", repofile);
|
|
assert(tname);
|
|
mask = umask(S_IXUSR|S_IRWXG|S_IRWXO);
|
|
if ((repofd = mkstemp(tname)) == -1)
|
|
return false;
|
|
|
|
umask(mask);
|
|
/* Create and write our repository archive */
|
|
ar = archive_write_new();
|
|
if (ar == NULL)
|
|
return false;
|
|
|
|
/*
|
|
* Set compression format, zstd by default.
|
|
*/
|
|
if (compression == NULL || strcmp(compression, "zstd") == 0) {
|
|
archive_write_add_filter_zstd(ar);
|
|
archive_write_set_options(ar, "compression-level=9");
|
|
} else if (strcmp(compression, "gzip") == 0) {
|
|
archive_write_add_filter_gzip(ar);
|
|
archive_write_set_options(ar, "compression-level=9");
|
|
} else if (strcmp(compression, "bzip2") == 0) {
|
|
archive_write_add_filter_bzip2(ar);
|
|
archive_write_set_options(ar, "compression-level=9");
|
|
} else if (strcmp(compression, "lz4") == 0) {
|
|
archive_write_add_filter_lz4(ar);
|
|
archive_write_set_options(ar, "compression-level=9");
|
|
} else if (strcmp(compression, "xz") == 0) {
|
|
archive_write_add_filter_xz(ar);
|
|
archive_write_set_options(ar, "compression-level=9");
|
|
} else if (strcmp(compression, "none") == 0) {
|
|
/* empty */
|
|
} else {
|
|
return false;
|
|
}
|
|
|
|
archive_write_set_format_pax_restricted(ar);
|
|
if (archive_write_open_fd(ar, repofd) != ARCHIVE_OK)
|
|
return false;
|
|
|
|
/* XBPS_REPOIDX */
|
|
buf = xbps_dictionary_externalize(idx);
|
|
if (buf == NULL)
|
|
return false;
|
|
rv = xbps_archive_append_buf(ar, buf, strlen(buf),
|
|
XBPS_REPOIDX, 0644, "root", "root");
|
|
free(buf);
|
|
if (rv != 0)
|
|
return false;
|
|
|
|
/* XBPS_REPOIDX_META */
|
|
if (meta == NULL) {
|
|
/* fake entry */
|
|
buf = strdup("DEADBEEF");
|
|
if (buf == NULL)
|
|
return false;
|
|
} else {
|
|
buf = xbps_dictionary_externalize(meta);
|
|
}
|
|
rv = xbps_archive_append_buf(ar, buf, strlen(buf),
|
|
XBPS_REPOIDX_META, 0644, "root", "root");
|
|
free(buf);
|
|
if (rv != 0)
|
|
return false;
|
|
|
|
/* Write data to tempfile and rename */
|
|
if (archive_write_close(ar) != ARCHIVE_OK)
|
|
return false;
|
|
if (archive_write_free(ar) != ARCHIVE_OK)
|
|
return false;
|
|
#ifdef HAVE_FDATASYNC
|
|
fdatasync(repofd);
|
|
#else
|
|
fsync(repofd);
|
|
#endif
|
|
if (fchmod(repofd, 0664) == -1) {
|
|
close(repofd);
|
|
unlink(tname);
|
|
result = false;
|
|
goto out;
|
|
}
|
|
close(repofd);
|
|
if (rename(tname, repofile) == -1) {
|
|
unlink(tname);
|
|
result = false;
|
|
goto out;
|
|
}
|
|
result = true;
|
|
out:
|
|
free(repofile);
|
|
free(tname);
|
|
|
|
return result;
|
|
}
|