Merge pull request #1973 from mwleeds/avoid-extraneous-summary-copy

Don't copy summary for collection-ref mirror subset pulls

man/ostree-find-remotes.xml

@@ -116,6 +116,16 @@ Boston, MA 02111-1307, USA.
                 </para></listitem>
             </varlistentry>
 
+            <varlistentry>
+                <term><option>--mirror</option></term>
+
+                <listitem><para>
+                  Do a mirror pull (see the documentation for
+                  <command>ostree pull --mirror</command>). This option can
+                  only be used in combination with <option>--pull</option>.
+                </para></listitem>
+            </varlistentry>
+
         </variablelist>
     </refsect1>
 

src/libostree/ostree-repo-pull.c

@@ -4567,7 +4567,8 @@ ostree_repo_pull_with_options (OstreeRepo             *self,
         }
     }
 
-  if (pull_data->is_mirror && pull_data->summary_data && !refs_to_fetch && !configured_branches)
+  if (pull_data->is_mirror && pull_data->summary_data &&
+      !refs_to_fetch && !opt_collection_refs_set && !configured_branches)
     {
       GLnxFileReplaceFlags replaceflag =
         pull_data->repo->disable_fsync ? GLNX_FILE_REPLACE_NODATASYNC : 0;

src/ostree/ot-builtin-find-remotes.c

@@ -35,6 +35,7 @@ static gchar *opt_cache_dir = NULL;
 static gchar *opt_finders = NULL;
 static gboolean opt_disable_fsync = FALSE;
 static gboolean opt_pull = FALSE;
+static gboolean opt_mirror = FALSE;
 
 static GOptionEntry options[] =
   {
@@ -42,6 +43,7 @@ static GOptionEntry options[] =
     { "disable-fsync", 0, 0, G_OPTION_ARG_NONE, &opt_disable_fsync, "Do not invoke fsync()", NULL },
     { "finders", 0, 0, G_OPTION_ARG_STRING, &opt_finders, "Use the specified comma separated list of finders (e.g. config,lan,mount)", "FINDERS" },
     { "pull", 0, 0, G_OPTION_ARG_NONE, &opt_pull, "Pull the updates after finding them", NULL },
+    { "mirror", 0, 0, G_OPTION_ARG_NONE, &opt_mirror, "Do a mirror pull (see ostree pull --mirror)", NULL},
     { NULL }
   };
 
@@ -188,6 +190,7 @@ ostree_builtin_find_remotes (int            argc,
   g_auto(OstreeRepoFinderResultv) results = NULL;
   g_auto(GLnxConsoleRef) console = { 0, };
   g_autoptr(GHashTable) refs_found = NULL;  /* set (element-type OstreeCollectionRef) */
+  g_autoptr(GVariant) pull_options = NULL;
 
   context = g_option_context_new ("COLLECTION-ID REF [COLLECTION-ID REF...]");
 
@@ -210,6 +213,12 @@ ostree_builtin_find_remotes (int            argc,
       return FALSE;
     }
 
+  if (opt_mirror && !opt_pull)
+    {
+      ot_util_usage_error (context, "When --mirror is specified, --pull must also be", error);
+      return FALSE;
+    }
+
   if (opt_disable_fsync)
     ostree_repo_set_disable_fsync (repo, TRUE);
 
@@ -359,13 +368,24 @@ ostree_builtin_find_remotes (int            argc,
   if (!opt_pull)
     return TRUE;
 
+  {
+    GVariantBuilder builder;
+    g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sv}"));
+
+    if (opt_mirror)
+      g_variant_builder_add (&builder, "{s@v}", "flags",
+                             g_variant_new_variant (g_variant_new_int32 (OSTREE_REPO_PULL_FLAGS_MIRROR)));
+
+    pull_options = g_variant_ref_sink (g_variant_builder_end (&builder));
+  }
+
   /* Run the pull operation. */
   if (console.is_tty)
     progress = ostree_async_progress_new_and_connect (ostree_repo_pull_default_console_progress_changed, &console);
 
   ostree_repo_pull_from_remotes_async (repo,
                                        (const OstreeRepoFinderResult * const *) results,
-                                       NULL,  /* no options */
+                                       pull_options,
                                        progress, cancellable,
                                        get_result_cb, &pull_result);
 

tests/test-pull-collections.sh

@@ -23,7 +23,7 @@ set -euo pipefail
 
 . $(dirname $0)/libtest.sh
 
-echo '1..6'
+echo '1..7'
 
 cd ${test_tmpdir}
 
@@ -258,3 +258,15 @@ then
 fi
 
 echo "ok 6 pull refs from local repos"
+
+ostree_repo_init local-mirror
+do_remote_add local-mirror collection-repo --collection-id org.example.CollectionRepo
+# Generate a summary in the local mirror; don't use do_summary to avoid gpg
+${CMD_PREFIX} ostree --repo=local-mirror summary --update
+summarysig=$(sha256sum < local-mirror/summary | cut -f 1 -d ' ')
+# Mirror subset of refs: A collection-ref version of https://github.com/ostreedev/ostree/issues/846
+${CMD_PREFIX} ostree --repo=local-mirror find-remotes --pull --mirror --finders=config org.example.CollectionRepo goodcref1
+newsummarysig=$(sha256sum < local-mirror/summary | cut -f 1 -d ' ')
+assert_streq ${summarysig} ${newsummarysig}
+
+echo "ok 7 mirror pull subset of collection-refs with summary"