lib: extend struct xbps_file to include a flag for conf files

include/xbps_api_impl.h

@@ -59,8 +59,17 @@
 #define __arraycount(x) (sizeof(x) / sizeof(*x))
 #endif
 
+enum xbps_file_flag {
+	XBPS_FILE_CONF        = 1 << 0,
+	XBPS_FILE_ALTERNATIVE = 1 << 1,
+};
+
 struct xbps_file {
+	char *path;
+	uint64_t size;
+	enum xbps_file_flag flags;
 	char *sha256;
+	const char *target;
 };
 
 /**

lib/transaction_files.c

@@ -48,8 +48,6 @@ struct item {
 		struct xbps_file file;
 		const char *pkgname;
 		const char *pkgver;
-		const char *target;
-		uint64_t size;
 		enum type type;
 		/* index is the index of the package update/install/removal in the transaction
 		 * and is used to decide which package should remove the given file or dir */
@@ -358,16 +356,16 @@ collect_obsoletes(struct xbps_handle *xhp)
 				    xhp->rootdir, item->file+1);
 				file = path;
 			}
-			lnk = xbps_symlink_target(xhp, file, item->old.target);
+			lnk = xbps_symlink_target(xhp, file, item->old.file.target);
 			if (lnk == NULL) {
 				xbps_dbg_printf("[obsoletes] %s "
 				    "symlink_target: %s\n", item->file+1, strerror(errno));
 				continue;
 			}
-			if (strcmp(lnk, item->old.target) != 0) {
+			if (strcmp(lnk, item->old.file.target) != 0) {
 				xbps_dbg_printf("[obsoletes] %s: skipping modified"
 				    " symlink (stored `%s' current `%s'): %s\n",
-				    item->old.pkgname, item->old.target, lnk, item->file+1);
+				    item->old.pkgname, item->old.file.target, lnk, item->file+1);
 				free(lnk);
 				continue;
 			}
@@ -520,32 +518,36 @@ collect_file(struct xbps_handle *xhp, const char *file, size_t size,
 		item->old.pkgname = pkgname;
 		item->old.pkgver = pkgver;
 		item->old.type = type;
-		item->old.size = size;
+		item->old.file.size = size;
 		item->old.index = idx;
 		item->old.preserve = preserve;
 		item->old.update = update;
 		item->old.removepkg = removepkg;
-		item->old.target = target;
+		item->old.file.target = target;
 		if (sha256) {
 			item->old.file.sha256 = strdup(sha256);
 			if (!item->old.file.sha256)
 				return errno;
 		}
+		if (type == TYPE_CONFFILE)
+			item->old.file.flags |= XBPS_FILE_CONF;
 	} else {
 		item->new.pkgname = pkgname;
 		item->new.pkgver = pkgver;
 		item->new.type = type;
-		item->new.size = size;
+		item->new.file.size = size;
 		item->new.index = idx;
 		item->new.preserve = preserve;
 		item->new.update = update;
 		item->new.removepkg = removepkg;
-		item->new.target = target;
+		item->new.file.target = target;
 		if (sha256) {
 			item->new.file.sha256 = strdup(sha256);
 			if (!item->new.file.sha256)
 				return errno;
 		}
+		if (type == TYPE_CONFFILE)
+			item->new.file.flags |= XBPS_FILE_CONF;
 	}
 	if (item->old.type && item->new.type) {
 		/*