docs: snapctl mount handling in SNAP_DATA across snap refresh - #516
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Mohit-Chachada merged 2 commits intoAug 18, 2026
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Pull request overview
This PR updates the snapctl documentation to clarify how mounts behave when placed under SNAP_DATA, and what snap developers need to do to keep such mounts working across snap refreshes (which switch SNAP_DATA to a new revision-specific path).
Changes:
- Added a new “Mounts in SNAP_DATA and snap refreshes” subsection under the mount-control documentation.
- Documented recommended
pre-refresh/post-refreshhook handling with examplesnapctl umountandsnapctl mountcommands. - Noted that
SNAP_COMMONis revision-independent and does not require the same handling.
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bboozzoo
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Aug 18, 2026
bboozzoo
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LGTM, but see the comment I left about the post refresh hook
Co-authored-by: Maciej Borzecki <maciek.borzecki@gmail.com>
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SNAPDENG-37195