sysroot: Turn on bootloader-naming-2 by default

I think it's about time we flipped this on by default;
like the bootprefix I was a bit too chicken.  We still have
a `bootloader-naming-1` that can be flipped on in case of
some regression.

Closes: #2961

src/libostree/ostree-sysroot-deploy.c

@@ -1853,6 +1853,30 @@ parse_os_release (const char *contents, const char *split)
   return ret;
 }
 
+/* Generate the filename we will use in /boot/loader/entries for this deployment.
+ * The provided n_deployments should be the total number of target deployments (which
+ * might be different from the cached value in the sysroot).
+ */
+static char *
+bootloader_entry_filename (OstreeSysroot *sysroot, guint n_deployments,
+                           OstreeDeployment *deployment)
+{
+  guint index = n_deployments - ostree_deployment_get_index (deployment);
+  // Allow opt-out to dropping the stateroot in case of compatibility issues.
+  // As of 2024.5, we have a new naming scheme because grub2 parses the *filename* and ignores
+  // the version field.  xref https://github.com/ostreedev/ostree/issues/2961
+  bool use_old_naming = (sysroot->opt_flags & OSTREE_SYSROOT_GLOBAL_OPT_BOOTLOADER_NAMING_1) > 0;
+  if (use_old_naming)
+    {
+      const char *stateroot = ostree_deployment_get_osname (deployment);
+      return g_strdup_printf ("ostree-%d-%s.conf", index, stateroot);
+    }
+  else
+    {
+      return g_strdup_printf ("ostree-%d.conf", index);
+    }
+}
+
 /* Given @deployment, prepare it to be booted; basically copying its
  * kernel/initramfs into /boot/ostree (if needed) and writing out an entry in
  * /boot/loader/entries.
@@ -1887,15 +1911,8 @@ install_deployment_kernel (OstreeSysroot *sysroot, int new_bootversion,
   const char *bootcsum = ostree_deployment_get_bootcsum (deployment);
   g_autofree char *bootcsumdir = g_strdup_printf ("ostree/%s-%s", osname, bootcsum);
   g_autofree char *bootconfdir = g_strdup_printf ("loader.%d/entries", new_bootversion);
-  g_autofree char *bootconf_name = NULL;
-  guint index = n_deployments - ostree_deployment_get_index (deployment);
-  // Allow opt-in to dropping the stateroot, because grub2 parses the *filename* and ignores
-  // the version field.  xref https://github.com/ostreedev/ostree/issues/2961
-  bool use_new_naming = (sysroot->opt_flags & OSTREE_SYSROOT_GLOBAL_OPT_BOOTLOADER_NAMING_2) > 0;
-  if (use_new_naming)
-    bootconf_name = g_strdup_printf ("ostree-%d.conf", index);
-  else
-    bootconf_name = g_strdup_printf ("ostree-%d-%s.conf", index, osname);
+  g_autofree char *bootconf_name = bootloader_entry_filename (sysroot, n_deployments, deployment);
+
   if (!glnx_shutil_mkdir_p_at (sysroot->boot_fd, bootcsumdir, 0775, cancellable, error))
     return FALSE;
 
@@ -4221,9 +4238,8 @@ ostree_sysroot_deployment_set_kargs_in_place (OstreeSysroot *self, OstreeDeploym
       OstreeBootconfigParser *new_bootconfig = ostree_deployment_get_bootconfig (deployment);
       ostree_bootconfig_parser_set (new_bootconfig, "options", kargs_str);
 
-      g_autofree char *bootconf_name = g_strdup_printf (
-          "ostree-%d-%s.conf", self->deployments->len - ostree_deployment_get_index (deployment),
-          ostree_deployment_get_osname (deployment));
+      g_autofree char *bootconf_name
+          = bootloader_entry_filename (self, self->deployments->len, deployment);
 
       g_autofree char *bootconfdir = g_strdup_printf ("loader.%d/entries", self->bootversion);
       glnx_autofd int bootconf_dfd = -1;

src/libostree/ostree-sysroot-private.h

@@ -45,7 +45,7 @@ typedef enum
   OSTREE_SYSROOT_GLOBAL_OPT_SKIP_SYNC = 1 << 0,
   /* See https://github.com/ostreedev/ostree/pull/2847 */
   OSTREE_SYSROOT_GLOBAL_OPT_NO_EARLY_PRUNE = 1 << 1,
-  OSTREE_SYSROOT_GLOBAL_OPT_BOOTLOADER_NAMING_2 = 1 << 2,
+  OSTREE_SYSROOT_GLOBAL_OPT_BOOTLOADER_NAMING_1 = 1 << 2,
 } OstreeSysrootGlobalOptFlags;
 
 typedef enum

src/libostree/ostree-sysroot.c

@@ -181,7 +181,7 @@ ostree_sysroot_init (OstreeSysroot *self)
   const GDebugKey globalopt_keys[] = {
     { "skip-sync", OSTREE_SYSROOT_GLOBAL_OPT_SKIP_SYNC },
     { "no-early-prune", OSTREE_SYSROOT_GLOBAL_OPT_NO_EARLY_PRUNE },
-    { "bootloader-naming-2", OSTREE_SYSROOT_GLOBAL_OPT_BOOTLOADER_NAMING_2 },
+    { "bootloader-naming-1", OSTREE_SYSROOT_GLOBAL_OPT_BOOTLOADER_NAMING_1 },
   };
   const GDebugKey keys[] = {
     { "mutable-deployments", OSTREE_SYSROOT_DEBUG_MUTABLE_DEPLOYMENTS },

tests/admin-test.sh

@@ -92,9 +92,9 @@ echo "ok nice error for deploy with no stateroot"
 assert_not_has_dir sysroot/boot/loader.0
 assert_has_dir sysroot/boot/loader.1
 assert_has_dir sysroot/ostree/boot.1.1
-assert_has_file sysroot/boot/loader/entries/ostree-1-testos.conf
-assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf 'options.* root=LABEL=MOO'
-assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf 'options.* quiet'
+assert_has_file sysroot/boot/loader/entries/ostree-1.conf
+assert_file_has_content sysroot/boot/loader/entries/ostree-1.conf 'options.* root=LABEL=MOO'
+assert_file_has_content sysroot/boot/loader/entries/ostree-1.conf 'options.* quiet'
 assert_file_has_content sysroot/boot/ostree/testos-${bootcsum}/vmlinuz-3.6.0 'a kernel'
 assert_file_has_content sysroot/ostree/deploy/testos/deploy/${rev}.0/etc/os-release 'NAME=TestOS'
 assert_file_has_content sysroot/ostree/boot.1/testos/${bootcsum}/0/etc/os-release 'NAME=TestOS'
@@ -120,7 +120,7 @@ assert_not_has_dir sysroot/ostree/boot.0.0
 assert_not_has_dir sysroot/ostree/boot.1.0
 assert_not_has_dir sysroot/ostree/boot.1.1
 # Ensure we propagated kernel arguments from previous deployment
-assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.* root=LABEL=MOO'
+assert_file_has_content sysroot/boot/loader/entries/ostree-2.conf 'options.* root=LABEL=MOO'
 assert_file_has_content sysroot/ostree/deploy/testos/deploy/${rev}.1/etc/os-release 'NAME=TestOS'
 assert_file_has_content sysroot/ostree/boot.0/testos/${bootcsum}/0/etc/os-release 'NAME=TestOS'
 assert_ostree_deployment_refs 0/1/{0,1}
@@ -147,8 +147,8 @@ ${CMD_PREFIX} ostree admin os-init otheros
 ${CMD_PREFIX} ostree admin deploy --os=otheros testos/buildmain/x86_64-runtime
 assert_not_has_dir sysroot/boot/loader.0
 assert_has_dir sysroot/boot/loader.1
-assert_has_file sysroot/boot/loader/entries/ostree-2-testos.conf
-assert_has_file sysroot/boot/loader/entries/ostree-3-otheros.conf
+assert_has_file sysroot/boot/loader/entries/ostree-2.conf
+assert_has_file sysroot/boot/loader/entries/ostree-3.conf
 assert_file_has_content sysroot/ostree/deploy/testos/deploy/${rev}.1/etc/os-release 'NAME=TestOS'
 assert_file_has_content sysroot/ostree/deploy/otheros/deploy/${rev}.0/etc/os-release 'NAME=TestOS'
 assert_ostree_deployment_refs 1/1/{0,1,2}
@@ -160,9 +160,9 @@ echo "ok independent deploy"
 ${CMD_PREFIX} ostree admin deploy --retain --os=testos testos:testos/buildmain/x86_64-runtime
 assert_has_dir sysroot/boot/loader.0
 assert_not_has_dir sysroot/boot/loader.1
-assert_has_file sysroot/boot/loader/entries/ostree-4-testos.conf
+assert_has_file sysroot/boot/loader/entries/ostree-4.conf
 assert_file_has_content sysroot/ostree/deploy/testos/deploy/${rev}.2/etc/os-release 'NAME=TestOS'
-assert_has_file sysroot/boot/loader/entries/ostree-2-testos.conf
+assert_has_file sysroot/boot/loader/entries/ostree-2.conf
 assert_file_has_content sysroot/ostree/deploy/testos/deploy/${rev}.3/etc/os-release 'NAME=TestOS'
 ${CMD_PREFIX} ostree admin status
 assert_ostree_deployment_refs 0/1/{0,1,2,3}
@@ -202,14 +202,14 @@ echo "ok undeploy error invalid int"
 for i in $(seq 4); do
   ${CMD_PREFIX} ostree admin undeploy 0
 done
-assert_has_file sysroot/boot/loader/entries/ostree-1-testos.conf
-assert_not_has_file sysroot/boot/loader/entries/ostree-2-testos.conf
-assert_not_has_file sysroot/boot/loader/entries/ostree-3-otheros.conf
+assert_has_file sysroot/boot/loader/entries/ostree-1.conf
+assert_not_has_file sysroot/boot/loader/entries/ostree-2.conf
+assert_not_has_file sysroot/boot/loader/entries/ostree-3.conf
 ${CMD_PREFIX} ostree admin deploy --not-as-default --os=otheros testos:testos/buildmain/x86_64-runtime
 assert_has_dir sysroot/boot/loader.0
 assert_not_has_dir sysroot/boot/loader.1
-assert_has_file sysroot/boot/loader/entries/ostree-2-testos.conf
-assert_has_file sysroot/boot/loader/entries/ostree-1-otheros.conf
+assert_has_file sysroot/boot/loader/entries/ostree-2.conf
+assert_has_file sysroot/boot/loader/entries/ostree-1.conf
 ${CMD_PREFIX} ostree admin status
 validate_bootloader
 
@@ -218,21 +218,21 @@ echo "ok deploy --not-as-default"
 ${CMD_PREFIX} ostree admin deploy --retain-rollback --os=otheros testos:testos/buildmain/x86_64-runtime
 assert_not_has_dir sysroot/boot/loader.0
 assert_has_dir sysroot/boot/loader.1
-assert_has_file sysroot/boot/loader/entries/ostree-3-otheros.conf
-assert_has_file sysroot/boot/loader/entries/ostree-2-testos.conf
-assert_has_file sysroot/boot/loader/entries/ostree-1-otheros.conf
+assert_has_file sysroot/boot/loader/entries/ostree-3.conf
+assert_has_file sysroot/boot/loader/entries/ostree-2.conf
+assert_has_file sysroot/boot/loader/entries/ostree-1.conf
 ${CMD_PREFIX} ostree admin status
 validate_bootloader
 
 echo "ok deploy --retain-rollback"
 
 
 ${CMD_PREFIX} ostree admin status
-assert_file_has_content sysroot/boot/loader/entries/ostree-3-otheros.conf "^title.*TestOS 42 1.0.10"
+assert_file_has_content sysroot/boot/loader/entries/ostree-3.conf "^title.*TestOS 42 1.0.10"
 ${CMD_PREFIX} ostree admin set-default 1
-assert_file_has_content sysroot/boot/loader/entries/ostree-3-testos.conf "^title.*TestOS 42 1.0.10"
+assert_file_has_content sysroot/boot/loader/entries/ostree-3.conf "^title.*TestOS 42 1.0.10"
 ${CMD_PREFIX} ostree admin set-default 1
-assert_file_has_content sysroot/boot/loader/entries/ostree-3-otheros.conf "^title.*TestOS 42 1.0.10"
+assert_file_has_content sysroot/boot/loader/entries/ostree-3.conf "^title.*TestOS 42 1.0.10"
 
 echo "ok set-default"
 
@@ -305,7 +305,7 @@ echo "ok deploy with unknown OS"
 
 ${CMD_PREFIX} ostree admin deploy --os=testos --karg-append=console=/dev/foo --karg-append=console=/dev/bar testos:testos/buildmain/x86_64-runtime
 ${CMD_PREFIX} ostree admin deploy --os=testos testos:testos/buildmain/x86_64-runtime
-assert_file_has_content sysroot/boot/loader/entries/ostree-4-testos.conf 'console=/dev/foo.*console=/dev/bar'
+assert_file_has_content sysroot/boot/loader/entries/ostree-4.conf 'console=/dev/foo.*console=/dev/bar'
 validate_bootloader
 
 echo "ok deploy with multiple kernel args"
@@ -315,17 +315,17 @@ os_repository_new_commit 0 "test upgrade multiple kernel args"
 ${CMD_PREFIX} ostree admin upgrade --os=testos
 newrev=$(${CMD_PREFIX} ostree --repo=sysroot/ostree/repo rev-parse testos/buildmain/x86_64-runtime)
 assert_not_streq ${origrev} ${newrev}
-assert_file_has_content sysroot/boot/loader/entries/ostree-4-testos.conf 'console=/dev/foo.*console=/dev/bar'
+assert_file_has_content sysroot/boot/loader/entries/ostree-4.conf 'console=/dev/foo.*console=/dev/bar'
 validate_bootloader
 
 echo "ok upgrade with multiple kernel args"
 
 os_repository_new_commit
 ${CMD_PREFIX} ostree admin upgrade --os=testos
-assert_file_has_content sysroot/boot/loader/entries/ostree-4-testos.conf "^title TestOS 42 ${version} (ostree:testos:0)$"
+assert_file_has_content sysroot/boot/loader/entries/ostree-4.conf "^title TestOS 42 ${version} (ostree:testos:0)$"
 os_repository_new_commit 0 0 testos/buildmain/x86_64-runtime 42
 ${CMD_PREFIX} ostree admin upgrade --os=testos
-assert_file_has_content sysroot/boot/loader/entries/ostree-4-testos.conf "^title TestOS 42 (ostree:testos:0)$"
+assert_file_has_content sysroot/boot/loader/entries/ostree-4.conf "^title TestOS 42 (ostree:testos:0)$"
 
 echo "ok no duplicate version strings in title"
 

tests/inst/src/destructive.rs

@@ -563,7 +563,7 @@ fn suppress_ostree_global_sync(sh: &xshell::Shell) -> Result<()> {
     // Aslo opt-in to the new bootloader naming
     std::fs::write(
         Path::new(dropindir).join("50-test-options.conf"),
-        "[Service]\nEnvironment=OSTREE_SYSROOT_OPTS=skip-sync,bootloader-naming-2\n",
+        "[Service]\nEnvironment=OSTREE_SYSROOT_OPTS=skip-sync\n",
     )?;
     cmd!(sh, "systemctl daemon-reload").run()?;
     Ok(())

tests/test-admin-deploy-2.sh

@@ -69,9 +69,9 @@ oldversion=${version}
 # another commit with *same* bootcsum but *new* content
 os_repository_new_commit "1" "2"
 newversion=${version}
-assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf ${oldversion}
+assert_file_has_content sysroot/boot/loader/entries/ostree-1.conf ${oldversion}
 ${CMD_PREFIX} ostree admin upgrade --os=testos
-assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf ${newversion}
+assert_file_has_content sysroot/boot/loader/entries/ostree-2.conf ${newversion}
 
 echo "ok new version same bootcsum"
 

tests/test-admin-deploy-bootprefix.sh

@@ -27,8 +27,8 @@ setup_os_repository "archive" "syslinux"
 ${CMD_PREFIX} ostree --repo=sysroot/ostree/repo pull-local --remote=testos testos-repo testos/buildmain/x86_64-runtime
 ${CMD_PREFIX} ostree --repo=sysroot/ostree/repo config set sysroot.bootprefix 'true'
 ${CMD_PREFIX} ostree admin deploy --karg=root=LABEL=root --os=testos testos:testos/buildmain/x86_64-runtime
-assert_file_has_content_literal sysroot/boot/loader/entries/ostree-1-testos.conf 'linux /boot/ostree/testos-'
-assert_file_has_content_literal sysroot/boot/loader/entries/ostree-1-testos.conf 'initrd /boot/ostree/testos-'
+assert_file_has_content_literal sysroot/boot/loader/entries/ostree-1.conf 'linux /boot/ostree/testos-'
+assert_file_has_content_literal sysroot/boot/loader/entries/ostree-1.conf 'initrd /boot/ostree/testos-'
 
 tap_ok "bootprefix"
 

tests/test-admin-deploy-karg.sh

@@ -33,12 +33,12 @@ export rev
 ${CMD_PREFIX} ostree admin deploy --karg=root=LABEL=MOO --karg=quiet --os=testos testos:testos/buildmain/x86_64-runtime
 ${CMD_PREFIX} ostree admin deploy --karg=FOO=BAR --os=testos testos:testos/buildmain/x86_64-runtime
 ${CMD_PREFIX} ostree admin deploy --karg=TESTARG=TESTVALUE --os=testos testos:testos/buildmain/x86_64-runtime
-assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf 'options.*FOO=BAR'
-assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*FOO=BAR'
-assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*TESTARG=TESTVALUE'
+assert_file_has_content sysroot/boot/loader/entries/ostree-1.conf 'options.*FOO=BAR'
+assert_file_has_content sysroot/boot/loader/entries/ostree-2.conf 'options.*FOO=BAR'
+assert_file_has_content sysroot/boot/loader/entries/ostree-2.conf 'options.*TESTARG=TESTVALUE'
 ${CMD_PREFIX} ostree admin deploy --karg=ANOTHERARG=ANOTHERVALUE --os=testos testos:testos/buildmain/x86_64-runtime
-assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*TESTARG=TESTVALUE'
-assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*ANOTHERARG=ANOTHERVALUE'
+assert_file_has_content sysroot/boot/loader/entries/ostree-2.conf 'options.*TESTARG=TESTVALUE'
+assert_file_has_content sysroot/boot/loader/entries/ostree-2.conf 'options.*ANOTHERARG=ANOTHERVALUE'
 
 echo "ok deploy with --karg, but same config"
 
@@ -49,7 +49,7 @@ for arg in $(cat /proc/cmdline); do
 	  ;;
 	initrd=*|BOOT_IMAGE=*) # Skip options set by bootloader that gets filtered out
 	   ;;
-	*) assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf "options.*$arg"
+	*) assert_file_has_content sysroot/boot/loader/entries/ostree-2.conf "options.*$arg"
 	   ;;
     esac
 done
@@ -60,20 +60,20 @@ ${CMD_PREFIX} ostree admin status
 ${CMD_PREFIX} ostree admin undeploy 0
 
 ${CMD_PREFIX} ostree admin deploy  --os=testos --karg-append=APPENDARG=VALAPPEND --karg-append=APPENDARG=2NDAPPEND testos:testos/buildmain/x86_64-runtime
-assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*FOO=BAR'
-assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*TESTARG=TESTVALUE'
-assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*APPENDARG=VALAPPEND .*APPENDARG=2NDAPPEND'
+assert_file_has_content sysroot/boot/loader/entries/ostree-2.conf 'options.*FOO=BAR'
+assert_file_has_content sysroot/boot/loader/entries/ostree-2.conf 'options.*TESTARG=TESTVALUE'
+assert_file_has_content sysroot/boot/loader/entries/ostree-2.conf 'options.*APPENDARG=VALAPPEND .*APPENDARG=2NDAPPEND'
 
 # Check correct ordering of different-valued args of the same key.
 ${CMD_PREFIX} ostree admin deploy  --os=testos --karg-append=FOO=TESTORDERED --karg-append=APPENDARG=3RDAPPEND testos:testos/buildmain/x86_64-runtime
-assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*APPENDARG=VALAPPEND .*APPENDARG=2NDAPPEND .*FOO=TESTORDERED .*APPENDARG=3RDAPPEND'
+assert_file_has_content sysroot/boot/loader/entries/ostree-2.conf 'options.*APPENDARG=VALAPPEND .*APPENDARG=2NDAPPEND .*FOO=TESTORDERED .*APPENDARG=3RDAPPEND'
 
 echo "ok deploy --karg-append"
 
-assert_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*quiet .*TESTARG=TESTVALUE .*APPENDARG=VALAPPEND .*APPENDARG=2NDAPPEND'
+assert_file_has_content sysroot/boot/loader/entries/ostree-2.conf 'options.*quiet .*TESTARG=TESTVALUE .*APPENDARG=VALAPPEND .*APPENDARG=2NDAPPEND'
 ${CMD_PREFIX} ostree admin deploy  --os=testos --karg-delete=TESTARG=TESTVALUE --karg-delete=quiet --karg-delete=APPENDARG=VALAPPEND testos:testos/buildmain/x86_64-runtime
-assert_not_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*TESTARG=TESTVALUE'
-assert_not_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*quiet'
-assert_not_file_has_content sysroot/boot/loader/entries/ostree-2-testos.conf 'options.*APPENDARG=VALAPPEND'
+assert_not_file_has_content sysroot/boot/loader/entries/ostree-2.conf 'options.*TESTARG=TESTVALUE'
+assert_not_file_has_content sysroot/boot/loader/entries/ostree-2.conf 'options.*quiet'
+assert_not_file_has_content sysroot/boot/loader/entries/ostree-2.conf 'options.*APPENDARG=VALAPPEND'
 
 echo "ok deploy --karg-delete"

tests/test-admin-deploy-nomerge.sh

@@ -30,11 +30,11 @@ ${CMD_PREFIX} ostree admin deploy --os=testos --karg=root=LABEL=foo --karg=testk
 origdeployment=$(${CMD_PREFIX} ostree admin --sysroot=sysroot --print-current-dir)
 testconfig=etc/modified-config-file-that-will-be-removed
 touch "${origdeployment}"/"${testconfig}"
-assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf "^options.*root=LABEL=foo.*testkarg"
+assert_file_has_content sysroot/boot/loader/entries/ostree-1.conf "^options.*root=LABEL=foo.*testkarg"
 ${CMD_PREFIX} ostree admin deploy --os=testos --no-merge --karg=root=LABEL=bar testos:testos/buildmain/x86_64-runtime
 deployment=$(${CMD_PREFIX} ostree admin --sysroot=sysroot --print-current-dir)
 assert_not_streq "${origdeployment}" "${deployment}"
 assert_not_has_file "${deployment}/${testconfig}"
-assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf "^options root=LABEL=bar"
-assert_not_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf "^options .*testkarg"
+assert_file_has_content sysroot/boot/loader/entries/ostree-1.conf "^options root=LABEL=bar"
+assert_not_file_has_content sysroot/boot/loader/entries/ostree-1.conf "^options .*testkarg"
 echo "ok no merge deployment"

tests/test-admin-deploy-none.sh

@@ -39,7 +39,7 @@ mkdir -p sysroot/boot/grub2
 touch sysroot/boot/grub2/grub.cfg
 ${CMD_PREFIX} ostree admin deploy --karg=root=LABEL=MOO --karg=quiet --os testos testos/buildmain/x86_64-runtime > out.txt
 assert_file_has_content out.txt "Bootloader updated.*"
-assert_file_has_content sysroot/boot/loader/entries/ostree-1-testos.conf 'options.* root=LABEL=MOO'
+assert_file_has_content sysroot/boot/loader/entries/ostree-1.conf 'options.* root=LABEL=MOO'
 assert_file_has_content sysroot/boot/ostree/testos-${bootcsum}/vmlinuz-3.6.0 'a kernel'
 assert_file_has_content sysroot/boot/ostree/testos-${bootcsum}/.vmlinuz-3.6.0.hmac  'an hmac file'
 assert_file_has_content sysroot/boot/ostree/testos-${bootcsum}/initramfs-3.6.0.img 'an initramfs'