pull: Also fetch detached commitmeta files

These will contain GPG signatures and the like in the future, so we
should fetch them now.

tests/pull-test.sh

@@ -31,3 +31,11 @@ cd checkout-origin-main
 assert_file_has_content firstfile '^first$'
 assert_file_has_content baz/cow '^moo$'
 echo "ok pull contents"
+
+cd ${test_tmpdir}
+ostree --repo=ostree-srv/gnomerepo commit -b main -s "Metadata string" --add-detached-metadata-string=SIGNATURE=HANCOCK --tree=ref=main
+${CMD_PREFIX} ostree --repo=repo pull origin main
+${CMD_PREFIX} ostree --repo=repo fsck
+$OSTREE show --print-detached-metadata-key=SIGNATURE main > main-meta
+assert_file_has_content main-meta "HANCOCK"
+echo "ok pull detached metadata"

tests/test-basic.sh

@@ -291,3 +291,11 @@ assert_file_has_content test2-meta "CUTE"
 $OSTREE show --print-detached-metadata-key=SIGNATURE test2 > test2-meta
 assert_file_has_content test2-meta "HANCOCK"
 echo "ok metadata commit with strings"
+
+cd ${test_tmpdir}
+rm repo2 -rf
+mkdir repo2
+${CMD_PREFIX} ostree --repo=repo2 init
+${CMD_PREFIX} ostree --repo=repo2 pull-local repo
+echo "ok pull-local after commit metadata"
+