app: add -C flag to always use cached metadata

This is the equivalent version of `yum/dnf -C`. It goes together with
the new `makecache` command to allow completely asynchronous cache
update and usage.

Closes: #1035
Approved by: cgwalters

src/app/rpmostree-builtin-deploy.c

@@ -30,6 +30,7 @@
 static char *opt_osname;
 static gboolean opt_reboot;
 static gboolean opt_preview;
+static gboolean opt_cache_only;
 
 static GOptionEntry option_entries[] = {
   { "os", 0, 0, G_OPTION_ARG_STRING, &opt_osname, "Operate on provided OSNAME", "OSNAME" },
@@ -39,6 +40,7 @@ static GOptionEntry option_entries[] = {
    *     A --preview option would work for both commands if we wanted to
    *     deprecate --check-diff. */
   { "preview", 0, 0, G_OPTION_ARG_NONE, &opt_preview, "Just preview package differences", NULL },
+  { "cache-only", 'C', 0, G_OPTION_ARG_NONE, &opt_cache_only, "Do not update repo metadata cache", NULL },
   { NULL }
 };
 
@@ -109,6 +111,7 @@ rpmostree_builtin_deploy (int            argc,
       g_autoptr(GVariant) options =
         rpmostree_get_options_variant (opt_reboot,
                                        TRUE,   /* allow-downgrade */
+                                       opt_cache_only,
                                        FALSE,  /* skip-purge */
                                        FALSE,  /* no-pull-base */
                                        FALSE,  /* dry-run */

src/app/rpmostree-builtin-rebase.c

@@ -35,13 +35,15 @@ static gboolean opt_reboot;
 static gboolean opt_skip_purge;
 static char * opt_branch;
 static char * opt_remote;
+static gboolean opt_cache_only;
 
 static GOptionEntry option_entries[] = {
   { "os", 0, 0, G_OPTION_ARG_STRING, &opt_osname, "Operate on provided OSNAME", "OSNAME" },
   { "branch", 'b', 0, G_OPTION_ARG_STRING, &opt_branch, "Rebase to branch BRANCH; use --remote to change remote as well", "BRANCH" },
   { "remote", 'm', 0, G_OPTION_ARG_STRING, &opt_remote, "Rebase to current branch name using REMOTE; may also be combined with --branch", "REMOTE" },
   { "reboot", 'r', 0, G_OPTION_ARG_NONE, &opt_reboot, "Initiate a reboot after rebase is finished", NULL },
   { "skip-purge", 0, 0, G_OPTION_ARG_NONE, &opt_skip_purge, "Keep previous refspec after rebase", NULL },
+  { "cache-only", 'C', 0, G_OPTION_ARG_NONE, &opt_cache_only, "Do not update repo metadata cache", NULL },
   { NULL }
 };
 
@@ -114,6 +116,7 @@ rpmostree_builtin_rebase (int             argc,
   g_autoptr(GVariant) options =
     rpmostree_get_options_variant (opt_reboot,
                                    TRUE,   /* allow-downgrade */
+                                   opt_cache_only,
                                    opt_skip_purge,
                                    FALSE,  /* no-pull-base */
                                    FALSE,  /* dry-run */

src/app/rpmostree-builtin-rollback.c

@@ -78,8 +78,9 @@ rpmostree_builtin_rollback (int             argc,
   g_autoptr(GVariant) previous_deployment = rpmostree_os_dup_default_deployment (os_proxy);
   g_autoptr(GVariant) options =
     rpmostree_get_options_variant (opt_reboot,
-                                   FALSE,   /* allow-downgrade */
-                                   FALSE,
+                                   FALSE,  /* allow-downgrade */
+                                   FALSE,  /* cache-only */
+                                   FALSE,  /* skip-purge */
                                    FALSE,  /* no-pull-base */
                                    FALSE,  /* dry-run */
                                    FALSE); /* no-overrides */

src/app/rpmostree-builtin-upgrade.c

@@ -37,6 +37,7 @@ static gboolean opt_allow_downgrade;
 static gboolean opt_preview;
 static gboolean opt_check;
 static gboolean opt_upgrade_unchanged_exit_77;
+static gboolean opt_cache_only;
 
 /* "check-diff" is deprecated, replaced by "preview" */
 static GOptionEntry option_entries[] = {
@@ -46,6 +47,7 @@ static GOptionEntry option_entries[] = {
   { "check-diff", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_NONE, &opt_preview, "Check for upgrades and print package diff only", NULL },
   { "preview", 0, 0, G_OPTION_ARG_NONE, &opt_preview, "Just preview package differences", NULL },
   { "check", 0, 0, G_OPTION_ARG_NONE, &opt_check, "Just check if an upgrade is available", NULL },
+  { "cache-only", 'C', 0, G_OPTION_ARG_NONE, &opt_cache_only, "Do not update repo metadata cache", NULL },
   { "upgrade-unchanged-exit-77", 0, 0, G_OPTION_ARG_NONE, &opt_upgrade_unchanged_exit_77, "If no upgrade is available, exit 77", NULL },
   { NULL }
 };
@@ -121,6 +123,7 @@ rpmostree_builtin_upgrade (int             argc,
       g_autoptr(GVariant) options =
         rpmostree_get_options_variant (opt_reboot,
                                        opt_allow_downgrade,
+                                       opt_cache_only,
                                        FALSE,  /* skip-purge */
                                        FALSE,  /* no-pull-base */
                                        FALSE,  /* dry-run */

src/app/rpmostree-dbus-helpers.c

@@ -1065,6 +1065,7 @@ get_modifiers_variant (const char   *set_refspec,
 GVariant*
 rpmostree_get_options_variant (gboolean reboot,
                                gboolean allow_downgrade,
+                               gboolean cache_only,
                                gboolean skip_purge,
                                gboolean no_pull_base,
                                gboolean dry_run,
@@ -1074,6 +1075,7 @@ rpmostree_get_options_variant (gboolean reboot,
   g_variant_dict_init (&dict, NULL);
   g_variant_dict_insert (&dict, "reboot", "b", reboot);
   g_variant_dict_insert (&dict, "allow-downgrade", "b", allow_downgrade);
+  g_variant_dict_insert (&dict, "rpmmd-cache-only", "b", cache_only);
   g_variant_dict_insert (&dict, "skip-purge", "b", skip_purge);
   g_variant_dict_insert (&dict, "no-pull-base", "b", no_pull_base);
   g_variant_dict_insert (&dict, "dry-run", "b", dry_run);

src/app/rpmostree-dbus-helpers.h

@@ -99,6 +99,7 @@ rpmostree_sort_pkgs_strv (const char *const* pkgs,
 GVariant*
 rpmostree_get_options_variant (gboolean reboot,
                                gboolean allow_downgrade,
+                               gboolean cache_only,
                                gboolean skip_purge,
                                gboolean no_pull_base,
                                gboolean dry_run,

src/app/rpmostree-override-builtins.c

@@ -60,6 +60,7 @@ handle_override (RPMOSTreeSysroot  *sysroot_proxy,
   g_autoptr(GVariant) options =
     rpmostree_get_options_variant (opt_reboot,
                                    FALSE,   /* allow-downgrade */
+                                   FALSE,   /* cache-only */
                                    FALSE,   /* skip-purge */
                                    TRUE,    /* no-pull-base */
                                    opt_dry_run,

src/app/rpmostree-pkg-builtins.c

@@ -34,11 +34,13 @@ static gboolean opt_reboot;
 static gboolean opt_dry_run;
 static gchar **opt_install;
 static gchar **opt_uninstall;
+static gboolean opt_cache_only;
 
 static GOptionEntry option_entries[] = {
   { "os", 0, 0, G_OPTION_ARG_STRING, &opt_osname, "Operate on provided OSNAME", "OSNAME" },
   { "reboot", 'r', 0, G_OPTION_ARG_NONE, &opt_reboot, "Initiate a reboot after upgrade is prepared", NULL },
   { "dry-run", 'n', 0, G_OPTION_ARG_NONE, &opt_dry_run, "Exit after printing the transaction", NULL },
+  { "cache-only", 'C', 0, G_OPTION_ARG_NONE, &opt_cache_only, "Do not update repo metadata cache", NULL },
   { NULL }
 };
 
@@ -75,6 +77,7 @@ pkg_change (RPMOSTreeSysroot *sysroot_proxy,
   g_autoptr(GVariant) options =
     rpmostree_get_options_variant (opt_reboot,
                                    FALSE,   /* allow-downgrade */
+                                   opt_cache_only,
                                    FALSE,   /* skip-purge */
                                    TRUE,    /* no-pull-base */
                                    opt_dry_run,

src/daemon/org.projectatomic.rpmostree1.xml

@@ -260,6 +260,8 @@
          "no-overrides" (type 'b')
             Remove all active overrides. Not valid if any override
             modifiers are specified.
+         "rpmmd-cache-only" (type 'b')
+            Do not update rpmmd repo metadata cache.
     -->
     <method name="UpdateDeployment">
       <arg type="a{sv}" name="modifiers" direction="in"/>

src/daemon/rpmostree-sysroot-upgrader.c

@@ -814,6 +814,12 @@ prep_local_assembly (RpmOstreeSysrootUpgrader *self,
                                 cancellable, error))
     return FALSE;
 
+  if (self->flags & RPMOSTREE_SYSROOT_UPGRADER_FLAGS_RPMMD_CACHE_ONLY)
+    {
+      DnfContext *hifctx = rpmostree_context_get_hif (self->ctx);
+      dnf_context_set_cache_age (hifctx, G_MAXUINT);
+    }
+
   g_autoptr(OstreeRepo) pkgcache_repo = NULL;
   if (!rpmostree_get_pkgcache_repo (self->repo, &pkgcache_repo, cancellable, error))
     return FALSE;

src/daemon/rpmostree-sysroot-upgrader.h

@@ -41,14 +41,16 @@ G_DEFINE_AUTOPTR_CLEANUP_FUNC (RpmOstreeSysrootUpgrader, g_object_unref)
  * @RPMOSTREE_SYSROOT_UPGRADER_FLAGS_IGNORE_UNCONFIGURED: Do not error if the origin has an unconfigured-state key
  * @RPMOSTREE_SYSROOT_UPGRADER_FLAGS_ALLOW_OLDER: Do not error if the new deployment was composed earlier than the current deployment
  * @RPMOSTREE_SYSROOT_UPGRADER_FLAGS_DRY_RUN: Don't deploy new base. If layering packages, only print the transaction
+ * @RPMOSTREE_SYSROOT_UPGRADER_FLAGS_DRY_RUN: Don't update rpmmd cache.
  *
  * Flags controlling operation of an #RpmOstreeSysrootUpgrader.
  */
 typedef enum {
   RPMOSTREE_SYSROOT_UPGRADER_FLAGS_NONE                 = (1 << 0),
   RPMOSTREE_SYSROOT_UPGRADER_FLAGS_IGNORE_UNCONFIGURED  = (1 << 1),
   RPMOSTREE_SYSROOT_UPGRADER_FLAGS_ALLOW_OLDER          = (1 << 2),
-  RPMOSTREE_SYSROOT_UPGRADER_FLAGS_DRY_RUN              = (1 << 3)
+  RPMOSTREE_SYSROOT_UPGRADER_FLAGS_DRY_RUN              = (1 << 3),
+  RPMOSTREE_SYSROOT_UPGRADER_FLAGS_RPMMD_CACHE_ONLY     = (1 << 4)
 } RpmOstreeSysrootUpgraderFlags;
 
 /* _NONE means we're doing pure ostree, no client-side computation.

src/daemon/rpmostreed-os.c

@@ -546,6 +546,8 @@ deploy_flags_from_options (GVariant *options,
     ret |= RPMOSTREE_TRANSACTION_DEPLOY_FLAG_DRY_RUN;
   if (vardict_lookup_bool (&dict, "no-overrides", FALSE))
     ret |= RPMOSTREE_TRANSACTION_DEPLOY_FLAG_NO_OVERRIDES;
+  if (vardict_lookup_bool (&dict, "rpmmd-cache-only", FALSE))
+    ret |= RPMOSTREE_TRANSACTION_DEPLOY_FLAG_RPMMD_CACHE_ONLY;
   return ret;
 }
 

src/daemon/rpmostreed-transaction-types.c

@@ -558,7 +558,9 @@ deploy_transaction_execute (RpmostreedTransaction *transaction,
     upgrader_flags |= RPMOSTREE_SYSROOT_UPGRADER_FLAGS_ALLOW_OLDER;
   if (self->flags & RPMOSTREE_TRANSACTION_DEPLOY_FLAG_DRY_RUN)
     upgrader_flags |= RPMOSTREE_SYSROOT_UPGRADER_FLAGS_DRY_RUN;
-  gboolean no_overrides =
+  if (self->flags & RPMOSTREE_TRANSACTION_DEPLOY_FLAG_RPMMD_CACHE_ONLY)
+    upgrader_flags |= RPMOSTREE_SYSROOT_UPGRADER_FLAGS_RPMMD_CACHE_ONLY;
+  const gboolean no_overrides =
     ((self->flags & RPMOSTREE_TRANSACTION_DEPLOY_FLAG_NO_OVERRIDES) > 0);
 
   /* this should have been checked already */

src/daemon/rpmostreed-transaction-types.h

@@ -53,7 +53,8 @@ typedef enum {
   RPMOSTREE_TRANSACTION_DEPLOY_FLAG_ALLOW_DOWNGRADE = (1 << 2),
   RPMOSTREE_TRANSACTION_DEPLOY_FLAG_NO_PULL_BASE = (1 << 4),
   RPMOSTREE_TRANSACTION_DEPLOY_FLAG_DRY_RUN = (1 << 5),
-  RPMOSTREE_TRANSACTION_DEPLOY_FLAG_NO_OVERRIDES = (1 << 6)
+  RPMOSTREE_TRANSACTION_DEPLOY_FLAG_NO_OVERRIDES = (1 << 6),
+  RPMOSTREE_TRANSACTION_DEPLOY_FLAG_RPMMD_CACHE_ONLY = (1 << 7),
 } RpmOstreeTransactionDeployFlags;