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#!/bin/sh -e
# Switch unmodified defaults from versions up to 0.4 to new defaults from 0.5+
# Usage: $0 [target file]
file=
dryrun=false
if [ -f /etc/default/btrfsmaintenance ] ; then
file=/etc/default/btrfsmaintenance
fi
if [ -f /etc/default/btrfsmaintenance ] ; then
file=/etc/default/btrfsmaintenance
fi
if [ -f "$1" ]; then
file="$1"
fi
if ! [ -f "$file" ]; then
echo "ERROR: config file for btrfsmaintenance not found: $file"
exit 1
fi
fixup()
{
if $dryrun; then
grep "^$1\$" "$file"
else
sed -i -e "s,$1,$2," "$file"
fi
}
fixup '## Default: "1 5 10 20 30 40 50"' \
'## Default: "5 10"'
fixup 'BTRFS_BALANCE_DUSAGE="1 5 10 20 30 40 50"' \
'BTRFS_BALANCE_DUSAGE="5 10"'
fixup '## Default: "1 5 10 20 30"' \
'## Default: "5"'
fixup 'BTRFS_BALANCE_MUSAGE="1 5 10 20 30"' \
'BTRFS_BALANCE_MUSAGE="5"'
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