lib: replace xbps_entry_is_a_conf_file with XBPS_FILE_CONF flag

include/xbps_api_impl.h

@@ -84,7 +84,6 @@ bool HIDDEN xbps_remove_pkg_from_array_by_pkgver(xbps_array_t, const char *);
 void HIDDEN xbps_fetch_set_cache_connection(int, int);
 void HIDDEN xbps_fetch_unset_cache_connection(void);
 int HIDDEN xbps_cb_message(struct xbps_handle *, xbps_dictionary_t, const char *);
-int HIDDEN xbps_entry_is_a_conf_file(xbps_dictionary_t, const char *);
 int HIDDEN xbps_entry_install_conf_file(struct xbps_handle *, xbps_dictionary_t,
 		xbps_dictionary_t, struct archive_entry *, const char *,
 		const char *, bool);

lib/package_config_files.c

@@ -33,30 +33,6 @@
 
 #include "xbps_api_impl.h"
 
-/*
- * Returns true if entry is a configuration file, false otherwise.
- */
-int HIDDEN
-xbps_entry_is_a_conf_file(xbps_dictionary_t filesd,
-			  const char *entry_pname)
-{
-	xbps_array_t array;
-	xbps_dictionary_t d;
-	const char *cffile;
-
-	array = xbps_dictionary_get(filesd, "conf_files");
-	if (xbps_array_count(array) == 0)
-		return false;
-
-	for (unsigned int i = 0; i < xbps_array_count(array); i++) {
-		d = xbps_array_get(array, i);
-		xbps_dictionary_get_cstring_nocopy(d, "file", &cffile);
-		if (strcmp(cffile, entry_pname) == 0)
-			return true;
-	}
-	return false;
-}
-
 /*
  * Returns 1 if entry should be installed, 0 if don't or -1 on error.
  */

lib/package_unpack.c

@@ -304,11 +304,7 @@ unpack_archive(struct xbps_handle *xhp,
 		 * Check if current entry is a configuration file,
 		 * that should be kept.
 		 */
-		if (!force && (entry_type == AE_IFREG)) {
-			buf = strchr(entry_pname, '.') + 1;
-			assert(buf != NULL);
-			keep_conf_file = xbps_entry_is_a_conf_file(binpkg_filesd, buf);
-		}
+		keep_conf_file = (file->flags & XBPS_FILE_CONF) != 0;
 
 		/*
 		 * If file to be extracted does not match the file type of