Merge pull request #1937 from cgwalters/zipl-backend

bootloader: Add a zipl bootloader backend

src/libostree/ostree-sysroot-deploy.c

@@ -43,6 +43,7 @@
 #include "ostree.h"
 #include "ostree-sysroot-private.h"
 #include "ostree-sepolicy-private.h"
+#include "ostree-bootloader-zipl.h"
 #include "ostree-deployment-private.h"
 #include "ostree-core-private.h"
 #include "ostree-linuxfsutil.h"
@@ -1829,6 +1830,7 @@ prepare_new_bootloader_link (OstreeSysroot  *sysroot,
 /* Update the /boot/loader symlink to point to /boot/loader.$new_bootversion */
 static gboolean
 swap_bootloader (OstreeSysroot  *sysroot,
+                 OstreeBootloader *bootloader,
                  int             current_bootversion,
                  int             new_bootversion,
                  GCancellable   *cancellable,
@@ -1862,6 +1864,15 @@ swap_bootloader (OstreeSysroot  *sysroot,
   if (fsync (boot_dfd) != 0)
     return glnx_throw_errno_prefix (error, "fsync(boot)");
 
+  /* TODO: In the future also execute this automatically via a systemd unit
+   * if we detect it's necessary.
+   **/
+  if (bootloader)
+    {
+      if (!_ostree_bootloader_post_bls_sync (bootloader, cancellable, error))
+        return FALSE;
+    }
+
   return TRUE;
 }
 
@@ -2128,7 +2139,7 @@ write_deployments_bootswap (OstreeSysroot     *self,
   if (!full_system_sync (self, out_syncstats, cancellable, error))
     return FALSE;
 
-  if (!swap_bootloader (self, self->bootversion, new_bootversion,
+  if (!swap_bootloader (self, bootloader, self->bootversion, new_bootversion,
                         cancellable, error))
     return FALSE;
 
@@ -2355,6 +2366,14 @@ ostree_sysroot_write_deployments_with_options (OstreeSysroot     *self,
         {
           /* No bootloader specified; do not query bootloaders to run. */
         }
+      else if (g_str_equal (bootloader_config, "zipl"))
+        {
+          /* Because we do not mark zipl as active by default, lets creating one here,
+           * which is basically the same what _ostree_sysroot_query_bootloader() does
+           * for other bootloaders if being activated.
+           * */
+          bootloader = (OstreeBootloader*) _ostree_bootloader_zipl_new (self);
+        }
 
       bootloader_is_atomic = bootloader != NULL && _ostree_bootloader_is_atomic (bootloader);