/usr/share/live/build/functions/cache.sh is in live-build 3.0~a57-1ubuntu11.
This file is owned by root:root, with mode 0o755.
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 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | #!/bin/sh
## live-build(7) - System Build Scripts
## Copyright (C) 2006-2012 Daniel Baumann <daniel@debian.org>
##
## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
## This is free software, and you are welcome to redistribute it
## under certain conditions; see COPYING for details.
Restore_cache ()
{
DIRECTORY="${1}"
if [ "${LB_CACHE}" = "true" ] && [ "${LB_CACHE_PACKAGES}" = "true" ]
then
if [ -d "${DIRECTORY}" ]
then
# Restore old cache
if [ "$(stat --printf %d ${DIRECTORY})" = "$(stat --printf %d chroot/var/cache/apt/archives)" ]
then
# with hardlinks
cp -fl "${DIRECTORY}"/*.deb chroot/var/cache/apt/archives
else
# without hardlinks
cp "${DIRECTORY}"/*.deb chroot/var/cache/apt/archives
fi
fi
fi
}
Save_cache ()
{
DIRECTORY="${1}"
if [ "${LB_CACHE}" = "true" ] && [ "${LB_CACHE_PACKAGES}" = "true" ]
then
# Cleaning current cache
# In case of interrupted or incomplete builds, this may return an error,
# but we still do want to save the cache.
Chroot chroot "apt-get autoclean" || true
if ls chroot/var/cache/apt/archives/*.deb > /dev/null 2>&1
then
# Creating cache directory
mkdir -p "${DIRECTORY}"
# Saving new cache
for PACKAGE in chroot/var/cache/apt/archives/*.deb
do
if [ -e "${DIRECTORY}"/"$(basename ${PACKAGE})" ]
then
rm -f "${PACKAGE}"
else
mv "${PACKAGE}" "${DIRECTORY}"
fi
done
fi
else
# Purging current cache
rm -f chroot/var/cache/apt/archives/*.deb
fi
}
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