[gentoo-catalyst] [PATCH 3/3] catalyst: Mount squashfs with -o ro

[Matt Turner]

Even though squashfs is not writeable, it must be mounted with -o ro in
order to be mounted multiple times. This allows, for example, the same
snapshot to be mounted simultaneously in multiple catalyst chroots.

Signed-off-by: Matt Turner <mattst88@g.o>
---
 catalyst/base/stagebase.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/catalyst/base/stagebase.py b/catalyst/base/stagebase.py
index 55d1032d..651bf4e4 100644
--- a/catalyst/base/stagebase.py
+++ b/catalyst/base/stagebase.py
@@ -868,7 +868,9 @@ class StageBase(TargetBase, ClearBase, GenBase):
                 mount += ['-t', 'tmpfs', '-o', 'noexec,nosuid,nodev']
             else:
                 source_path = Path(self.mount[x]['source'])
-                if source_path.suffix != '.sqfs':
+                if source_path.suffix == '.sqfs':
+                    mount += ['-o', 'ro']
+                else:
                     mount.append('--bind')
 
                     # We may need to create the source of the bind mount. E.g., in the
-- 
2.26.2