preinst is in varnish 4.1.1-1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | #!/bin/sh
set -e
# Undo mangling of /etc/default/varnish that happened during lenny->squeeze
# upgrades.
unmangle_defaults() {
export defaultsfile='/etc/default/varnish'
if ! [ -f "$defaultsfile" ]; then
return
fi
# The checksums in the package that introduced the bug
md5_before_change='af3fd9c9e3dd6976367638113373f6f7'
md5_after_change='708e91b32d1ae5eed7f82d772c2fd421'
# The checksum in the current package
md5_in_package=$(dpkg-query -f '${Conffiles}' -W varnish \
| awk '$1 == ENVIRON["defaultsfile"] {print $2}')
# The checksum in the file system
md5_in_filesystem=$(md5sum "$defaultsfile" | awk '{print $1}')
if [ "$md5_in_package" = "$md5_before_change" -a "$md5_in_filesystem" = "$md5_after_change" ]; then
sed -i '/^START=/s/yes/no/g' "$defaultsfile"
fi
}
case "$1" in
install|upgrade)
if dpkg --compare-versions "$2" "lt-nl" "3.0.3-1~"; then
unmangle_defaults
fi
;;
esac
|