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Fix #50 (Existent files on disk might be overwritten by packages with conf_files).

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This commit is contained in:
Juan RP
2014-07-30 16:18:57 +02:00
parent e92e86c2db
commit cc6f9901f1
4 changed files with 54 additions and 20 deletions
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18
lib/package_config_files.c
View File

@@ -68,7 +68,7 @@ xbps_entry_install_conf_file(struct xbps_handle *xhp,
xbps_dictionary_t forigd;
xbps_object_t obj, obj2;
xbps_object_iterator_t iter, iter2;
const char *cffile, *sha256_new = NULL;
const char *version = NULL, *cffile, *sha256_new = NULL;
char buf[PATH_MAX], *sha256_cur = NULL, *sha256_orig = NULL;
int rv = 0;
@@ -90,8 +90,18 @@ xbps_entry_install_conf_file(struct xbps_handle *xhp,
forigd = xbps_pkgdb_get_pkg_metadata(xhp, pkgname);
if (forigd == NULL) {
/*
* File exists on disk but it's not managed by the same package.
* Install it as file.new-<version>.
*/
version = xbps_pkg_version(pkgver);
assert(version);
xbps_dbg_printf(xhp, "%s: conf_file %s not currently "
"installed\n", pkgver, entry_pname);
"installed, renaming to %s.new-%s\n", pkgver, entry_pname, version);
snprintf(buf, sizeof(buf), "%s.new-%s", entry_pname, version);
xbps_set_cb_state(xhp, XBPS_STATE_CONFIG_FILE,
0, pkgver, "File `%s' exists, installing configuration file to `%s'.", entry_pname, buf);
archive_entry_copy_pathname(entry, buf);
rv = 1;
goto out;
}
@@ -207,13 +217,11 @@ xbps_entry_install_conf_file(struct xbps_handle *xhp,
} else if ((strcmp(sha256_orig, sha256_cur)) &&
(strcmp(sha256_cur, sha256_new)) &&
(strcmp(sha256_orig, sha256_new))) {
const char *version;
version = xbps_pkg_version(pkgver);
assert(version);
snprintf(buf, sizeof(buf), ".%s.new-%s", cffile, version);
xbps_set_cb_state(xhp, XBPS_STATE_CONFIG_FILE,
0, pkgver, "Installing new configuration file to `%s'.", buf);
0, pkgver, "File `%s' exists, installing configuration file to `%s'.", cffile, buf);
archive_entry_copy_pathname(entry, buf);
rv = 1;
break;

16
lib/package_unpack.c
View File

@@ -410,8 +410,8 @@ unpack_archive(struct xbps_handle *xhp,
"matches existing SHA256, "
"skipping...\n",
pkgver, entry_pname);
skip_extract = true;
}
skip_extract = true;
rv = 0;
}
}
@@ -497,20 +497,6 @@ unpack_archive(struct xbps_handle *xhp,
"mode to %s.\n", pkgver, entry_pname,
archive_entry_strmode(entry));
}
if (!update && conf_file && file_exists && !skip_extract) {
/*
* If installing new package preserve old configuration
* file but renaming it to <file>.old.
*/
buf = xbps_xasprintf("%s.old", entry_pname);
(void)rename(entry_pname, buf);
free(buf);
buf = NULL;
xbps_set_cb_state(xhp,
XBPS_STATE_CONFIG_FILE, 0, pkgver,
"Renamed old configuration file "
"`%s' to `%s.old'.", entry_pname, entry_pname);
}
if (!force && skip_extract) {
archive_read_data_skip(ar);
continue;