Kenneth Skovhede
44bef1e855
Key changes: - Add `MacOSSnapshot` class implementing `SnapshotBase` - Add helper scripts for creating, finding, and removing APFS snapshots - Update `SnapshotUtility` to initialize macOS snapshots - Enable `snapshot-policy` option for macOS in `Options.cs` - Update build configuration to include APFS scripts - Update snapshot test utility with macOS support This fixes #6409
78 lines
2.3 KiB
Bash
Executable File
78 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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# Input:
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# $1 = snapshot name (e.g., "duplicati-abc123")
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# $2 = device/volume path (e.g., "/dev/disk1s1")
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# $3 = temporary directory prefix (e.g., "/tmp/")
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NAME=$1
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DEVICE=$2
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TMPDIR=$3$NAME
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# Get the mount point for the device
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MOUNT_POINT=$(mount | grep "^$DEVICE " | sed -E 's/^.* on (.*) \(.*$/\1/')
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if [ -z "$MOUNT_POINT" ]; then
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echo "Error: Could not find mount point for device $DEVICE"
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exit 1
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fi
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# Create APFS snapshot using tmutil
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OUTPUT=$(tmutil localsnapshot "$MOUNT_POINT")
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if [ "$?" -ne 0 ]; then
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echo "Error: Failed to create APFS snapshot"
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exit 1
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fi
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# Extract date from output
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# Output format: Created local snapshot with date: 2026-02-04-134432
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CREATED_DATE=$(echo "$OUTPUT" | grep -oE '[0-9]{4}-[0-9]{2}-[0-9]{2}-[0-9]{6}')
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if [ -z "$CREATED_DATE" ]; then
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echo "Error: Could not parse created snapshot date from output: $OUTPUT"
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exit 1
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fi
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# Get the snapshot name (tmutil creates snapshots with timestamps)
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# We need to find the most recent snapshot for this volume
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# The format is: com.apple.TimeMachine.2026-02-04-125719.local
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SNAPSHOT_FULL=$(tmutil listlocalsnapshots "$MOUNT_POINT" | tail -1)
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SNAPSHOT_NAME="$SNAPSHOT_FULL"
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if [ -z "$SNAPSHOT_NAME" ]; then
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echo "Error: Could not find created snapshot"
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exit 1
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fi
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# Verify that the found snapshot matches the created date
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if [[ "$SNAPSHOT_NAME" != *"$CREATED_DATE"* ]]; then
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echo "Error: Found snapshot ($SNAPSHOT_NAME) does not match created date ($CREATED_DATE)"
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tmutil deletelocalsnapshots "$CREATED_DATE"
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exit 1
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fi
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# Create mount point
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mkdir -p "$TMPDIR"
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# Mount snapshot (requires root)
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# mount_apfs [-s snapshot] <volume | device> <directory>
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# The -s option takes the snapshot name, then we need the device and mount point
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mount_apfs -nobrowse -s "$SNAPSHOT_NAME" -o rdonly "$DEVICE" "$TMPDIR"
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if [ "$?" -ne 0 ]; then
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# Cleanup if mount fails
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if [ -n "$CREATED_DATE" ]; then
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tmutil deletelocalsnapshots "$CREATED_DATE"
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else
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# Fallback: Extract date from snapshot name
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SNAPSHOT_DATE=$(echo "$SNAPSHOT_NAME" | sed -E 's/^com\.apple\.TimeMachine\.//; s/\.local$//')
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tmutil deletelocalsnapshots "$SNAPSHOT_DATE"
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fi
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rmdir "$TMPDIR"
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echo "Error: Failed to mount APFS snapshot"
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exit 1
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fi
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echo "tmpdir=\"$TMPDIR\""
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echo "snapshot_name=\"$SNAPSHOT_NAME\""
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exit 0
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