fix, simplify and document upgrade --ignore

doc/apk-upgrade.8.scd

@@ -11,7 +11,9 @@ apk upgrade - upgrade installed packages
 # DESCRIPTION
 
 *apk upgrade* upgrades installed packages to the latest version available from
-configured package repositories (see *apk-repositories*(5)).
+configured package repositories (see *apk-repositories*(5)). When no packages
+are specified, all packages are upgraded if possible. If list of packages is
+provided, only those packages are upgraded along with needed dependencies.
 
 # OPTIONS
 
@@ -27,6 +29,10 @@ following options:
 	This is useful to reset system against new set of packages after updating
 	repositories.
 
+*--ignore*
+	Upgrade all other packages than the ones listed. This inverts the given
+	package name list to mean packages that should not be upgraded.
+
 *-l, --latest*
 	Always choose the latest package by version. However, the versions
 	considered are based on the package pinning. Primarily this overrides

src/apk_package.h

@@ -96,16 +96,12 @@ struct apk_installed_package {
 
 struct apk_package {
 	apk_hash_node hash_node;
-	union {
-		struct apk_solver_package_state ss;
-		struct {
 	unsigned int foreach_genid;
 	union {
+		struct apk_solver_package_state ss;
 		int state_int;
 		void *state_ptr;
 	};
-		};
-	};
 	struct apk_name *name;
 	struct apk_installed_package *ipkg;
 	apk_blob_t *version, *arch, *license;

src/apk_solver.h

@@ -33,7 +33,7 @@ struct apk_changeset {
 #define APK_SOLVERF_REINSTALL		0x0004
 #define APK_SOLVERF_LATEST		0x0008
 #define APK_SOLVERF_IGNORE_CONFLICT	0x0010
-#define APK_SOLVERF_IGNORE_UPGRADE 	0x0020
+#define APK_SOLVERF_INSTALLED	 	0x0020
 
 void apk_solver_set_name_flags(struct apk_name *name,
 			       unsigned short solver_flags,

src/app_upgrade.c

@@ -138,8 +138,10 @@ static void set_upgrade_for_name(struct apk_database *db, const char *match, str
 	if (!name) {
 		apk_error("Package '%s' not found", match);
 		uctx->errors++;
-	} else
-		apk_solver_set_name_flags(name, APK_SOLVERF_UPGRADE, 0);
+		return;
+	}
+
+	apk_solver_set_name_flags(name, uctx->ignore ? APK_SOLVERF_INSTALLED : APK_SOLVERF_UPGRADE, 0);
 }
 
 static int upgrade_main(void *ctx, struct apk_database *db, struct apk_string_array *args)
@@ -157,7 +159,7 @@ static int upgrade_main(void *ctx, struct apk_database *db, struct apk_string_ar
 	}
 
 	solver_flags = APK_SOLVERF_UPGRADE | uctx->solver_flags;
-	if (!uctx->no_self_upgrade) {
+	if (!uctx->no_self_upgrade && !args->num) {
 		r = apk_do_self_upgrade(db, solver_flags, uctx->self_upgrade_only);
 		if (r != 0)
 			return r;
@@ -165,15 +167,6 @@ static int upgrade_main(void *ctx, struct apk_database *db, struct apk_string_ar
 	if (uctx->self_upgrade_only)
 		return 0;
 
-	if (uctx->ignore) {
-		char **pkg_name;
-		struct apk_name *name;
-		foreach_array_item(pkg_name, args) {
-			name = apk_db_get_name(db, APK_BLOB_STR(*pkg_name));
-			apk_solver_set_name_flags(name, solver_flags | APK_SOLVERF_IGNORE_UPGRADE, 0);
-		}
-	}
-
 	if (solver_flags & APK_SOLVERF_AVAILABLE) {
 		apk_dependency_array_copy(&world, db->world);
 		foreach_array_item(dep, world) {
@@ -188,12 +181,9 @@ static int upgrade_main(void *ctx, struct apk_database *db, struct apk_string_ar
 
 	if (args->num > 0) {
 		/* if specific packages are listed, we don't want to upgrade world. */
-		solver_flags &= ~APK_SOLVERF_UPGRADE;
-
-		apk_name_foreach_matching(db, args, apk_foreach_genid(), set_upgrade_for_name, &uctx);
-
-		if (uctx->errors)
-			return uctx->errors;
+		if (!uctx->ignore) solver_flags &= ~APK_SOLVERF_UPGRADE;
+		apk_name_foreach_matching(db, args, apk_foreach_genid(), set_upgrade_for_name, uctx);
+		if (uctx->errors) return uctx->errors;
 	}
 
 	r = apk_solver_commit(db, solver_flags, world);

src/solver.c

@@ -53,6 +53,8 @@ void apk_solver_set_name_flags(struct apk_name *name,
 
 	foreach_array_item(p, name->providers) {
 		struct apk_package *pkg = p->pkg;
+		dbg_printf("marking '" PKG_VER_FMT "' = 0x%04x / 0x%04x\n",
+			PKG_VER_PRINTF(pkg), solver_flags, solver_flags_inheritable);
 		pkg->ss.solver_flags |= solver_flags;
 		pkg->ss.solver_flags_inheritable |= solver_flags_inheritable;
 	}
@@ -564,10 +566,10 @@ static int compare_providers(struct apk_solver_state *ss,
 
 		/* Prefer installed on self-upgrade */
 		if ((db->performing_self_upgrade && !(solver_flags & APK_SOLVERF_UPGRADE)) ||
-		    (solver_flags & APK_SOLVERF_IGNORE_UPGRADE)) {
+		    (solver_flags & APK_SOLVERF_INSTALLED)) {
 			r = (pkgA->ipkg != NULL) - (pkgB->ipkg != NULL);
 			if (r) {
-				dbg_printf("    prefer installed on self-upgrade\n");
+				dbg_printf("    prefer installed\n");
 				return r;
 			}
 		}
@@ -603,8 +605,7 @@ static int compare_providers(struct apk_solver_state *ss,
 		}
 
 		/* Prefer installed */
-		if (!(solver_flags & APK_SOLVERF_UPGRADE) ||
-		    (solver_flags & APK_SOLVERF_IGNORE_UPGRADE)) {
+		if (!(solver_flags & APK_SOLVERF_UPGRADE)) {
 			r = (pkgA->ipkg != NULL) - (pkgB->ipkg != NULL);
 			if (r) {
 				dbg_printf("    prefer installed\n");