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Always preserve current conffiles while installing new packages.

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This commit is contained in:
Juan RP
2011-12-19 11:20:27 +01:00
parent 79fd316f8e
commit c40c40e08e
4 changed files with 62 additions and 58 deletions
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109
lib/package_unpack.c
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@ -169,12 +169,12 @@ unpack_archive(prop_dictionary_t pkg_repod, struct archive *ar)
const char *entry_pname, *transact, *pkgname, *version, *pkgver, *fname;
char *buf = NULL, *pkgfilesd = NULL;
int rv, flags;
bool preserve, update, replace;
bool preserve, update, conf_file, file_exists;
assert(prop_object_type(pkg_repod) == PROP_TYPE_DICTIONARY);
assert(ar != NULL);
preserve = update = false;
preserve = update = conf_file = file_exists = false;
prop_dictionary_get_bool(pkg_repod, "preserve", &preserve);
prop_dictionary_get_cstring_nocopy(pkg_repod,
"transaction", &transact);
@ -368,60 +368,21 @@ unpack_archive(prop_dictionary_t pkg_repod, struct archive *ar)
xucd->entry_total_count +=
(ssize_t)prop_array_count(array);
}
replace = false;
if (prop_dictionary_get_bool(pkg_repod,
"replacing-package", &replace) && replace) {
/*
* The package we are currently unpacking replaced
* another package that it was removed, respect
* configuration files if they exist.
*/
if (S_ISREG(entry_statp->st_mode) &&
xbps_entry_is_a_conf_file(propsd, entry_pname) &&
(access(entry_pname, R_OK) == 0)) {
xbps_dbg_printf("%s: preserving conf_file %s.\n",
pkgname, entry_pname);
archive_read_data_skip(ar);
continue;
}
}
if (update && S_ISREG(entry_statp->st_mode)) {
/*
* Handle configuration files. Check if current entry is
* a configuration file and take action if required. Skip
* packages that don't have the "conf_files" array in
* the XBPS_PKGPROPS dictionary.
*/
rv = xbps_entry_is_a_conf_file(propsd, entry_pname);
if (rv == -1) {
/* error */
goto out;
} else if (rv == 1) {
/* configuration file */
if (xucd != NULL)
xucd->entry_is_conf = true;
rv = xbps_entry_install_conf_file(filesd,
entry, entry_pname, pkgname, version);
if (rv == -1) {
/* error */
goto out;
} else if (rv == 0) {
/*
* Keep current configuration file
* as is now and pass to next entry.
*/
archive_read_data_skip(ar);
continue;
}
} else {
/*
* Current entry is not a configuration file,
* check if installed file matches sha256 hash.
* If true, there is no need to extract it.
*/
/*
* Always check that extracted file exists and hash
* doesn't match, in that case overwrite the file.
* Otherwise skip extracting it.
*/
conf_file = false;
file_exists = false;
if (S_ISREG(entry_statp->st_mode)) {
if (xbps_entry_is_a_conf_file(propsd, entry_pname))
conf_file = true;
if (access(entry_pname, R_OK) == 0) {
file_exists = true;
rv = xbps_file_hash_check_dictionary(filesd,
"files", entry_pname);
conf_file ? "conf_files" : "files",
entry_pname);
if (rv == -1) {
xbps_dbg_printf("%s-%s: failed to check"
" hash for `%s': %s\n", pkgname,
@ -438,8 +399,46 @@ unpack_archive(prop_dictionary_t pkg_repod, struct archive *ar)
archive_read_data_skip(ar);
continue;
}
rv = 0;
}
}
if (!update && conf_file && file_exists) {
/*
* 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);
xbps_set_cb_state(XBPS_STATE_CONFIG_FILE, 0,
pkgname, version,
"Renamed old configuration file "
"`%s' to `%s.old'.", entry_pname, entry_pname);
} else if (update && conf_file && file_exists) {
/*
* Handle configuration files. Check if current entry is
* a configuration file and take action if required. Skip
* packages that don't have the "conf_files" array in
* the XBPS_PKGPROPS dictionary.
*/
if (xucd != NULL)
xucd->entry_is_conf = true;
rv = xbps_entry_install_conf_file(filesd,
entry, entry_pname, pkgname, version);
if (rv == -1) {
/* error */
goto out;
} else if (rv == 0) {
/*
* Keep current configuration file
* as is now and pass to next entry.
*/
archive_read_data_skip(ar);
continue;
}
rv = 0;
}
/*
* Extract entry from archive.
*/