db: checksum installed files, protect config files

Checksum of installed is computed on the fly when extracting them
and it'll be saved to fdb. When installing config files those are
diverted with suffix .apk-new if earlier version of same file with
local changes exist.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/apk_database.h b/src/apk_database.h
index d687bce..5cf2928 100644
--- a/src/apk_database.h
+++ b/src/apk_database.h
@@ -25,9 +25,12 @@ struct apk_db_file {
 
 	struct apk_db_dir *dir;
 	struct apk_package *owner;
+	csum_t csum;
 	char filename[];
 };
 
+#define APK_DBDIRF_PROTECTED		0x0001
+
 struct apk_db_dir {
 	apk_hash_node hash_node;
 
@@ -38,6 +41,7 @@ struct apk_db_dir {
 	mode_t mode;
 	uid_t uid;
 	gid_t gid;
+	unsigned flags;
 	char dirname[];
 };
 
@@ -58,6 +62,7 @@ struct apk_database {
 	unsigned pkg_id, num_repos;
 
 	struct apk_dependency_array *world;
+	struct apk_string_array *protected_paths;
 	struct apk_repository repos[APK_MAX_REPOS];
 
 	struct {