53 lines
1.1 KiB
Bash
Executable file
53 lines
1.1 KiB
Bash
Executable file
#!/bin/bash
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TS_TOPDIR="${0%/*}/../.."
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TS_DESC="fix signature"
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. "$TS_TOPDIR"/functions.sh
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ts_init "$*"
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ts_check_test_command "$TS_CMD_MKSWAP"
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ts_check_test_command "$TS_CMD_SWAPON"
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ts_check_test_command "$TS_CMD_SWAPOFF"
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ts_check_test_command "$TS_HELPER_SYSINFO"
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ts_skip_nonroot
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ts_check_losetup
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PAGESIZE=$($TS_HELPER_SYSINFO pagesize)
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#
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# Create a swap-area
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#
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ts_device_init
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DEVICE=$TS_LODEV
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$TS_CMD_MKSWAP $DEVICE > /dev/null 2>> $TS_OUTPUT \
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|| ts_die "Cannot make swap $DEVICE"
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ts_device_has "TYPE" "swap" $DEVICE || ts_die "Cannot find swap on $DEVICE"
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#
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# Rewrite signature to swsuspend
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#
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echo "S2SUSPEND " > $TS_OUTPUT.signature
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dd if=$TS_OUTPUT.signature of=$DEVICE \
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seek=$(( $PAGESIZE - 10 )) count=10 bs=1 conv=notrunc &> /dev/null
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ts_device_has "TYPE" "swsuspend" $DEVICE || ts_die "Cannot find swsuspend on $DEVICE"
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#
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# Swapon
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#
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$TS_CMD_SWAPON $DEVICE &> /dev/null
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grep -q "^$DEVICE\b" /proc/swaps || ts_die "Cannot find $DEVICE in /proc/swaps"
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$TS_CMD_SWAPOFF $DEVICE
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# swapon/mkswap warns if system sets different permissions for loop devices
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sed --in-place '/insecure permissions .*, 0660 suggested/d' $TS_OUTPUT
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ts_log "Success"
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ts_finalize
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