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Check the amount of free space before updating

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Kron4ek 2022-06-16 19:53:57 +05:00
parent e6ae794400
commit f5f1e9fbd7
1 changed files with 15 additions and 3 deletions
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18
conty-start.sh
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@ -7,12 +7,12 @@ if [ $EUID = 0 ] && [ -z "$ALLOW_ROOT" ]; then
echo "Do not run this script as root!" echo "Do not run this script as root!"
echo echo
echo "If you really need to run it as root and you know what you are doing," echo "If you really need to run it as root and you know what you are doing,"
echo "set ALLOW_ROOT environment variable." echo "set the ALLOW_ROOT environment variable."
exit 1 exit 1
fi fi
script_version="1.19" script_version="1.20"
# Full path to the script # Full path to the script
script_literal="${BASH_SOURCE[0]}" script_literal="${BASH_SOURCE[0]}"
@ -43,7 +43,7 @@ mount_point="${working_dir}"/mnt
# a problem with mounting the image due to an incorrectly calculated offset. # a problem with mounting the image due to an incorrectly calculated offset.
# The size of this script # The size of this script
scriptsize=24870 scriptsize=25300
# The size of the utils archive # The size of the utils archive
utilssize=2537833 utilssize=2537833
@ -378,6 +378,18 @@ if [ "$1" = "-u" ] || [ "$1" = "-U" ]; then
mkdir -p "${update_temp_dir}" mkdir -p "${update_temp_dir}"
cd "${update_temp_dir}" || exit 1 cd "${update_temp_dir}" || exit 1
if command -v awk 1>/dev/null; then
current_file_size="$(stat -c "%s" "${script}")"
available_disk_space="$(df -P -B1 "${update_temp_dir}" | awk 'END {print $4}')"
required_disk_space="$((current_file_size*7))"
if [ "${available_disk_space}" -lt "${required_disk_space}" ]; then
echo "Not enough free disk space"
echo "You need at least $((required_disk_space/1024/1024)) MB of free space"
exit 1
fi
fi
tail -c +$((scriptsize+1)) "${script}" | head -c ${utilssize} | tar -C "${update_temp_dir}" -zxf - tail -c +$((scriptsize+1)) "${script}" | head -c ${utilssize} | tar -C "${update_temp_dir}" -zxf -
if [ "${dwarfs_image}" = 1 ]; then if [ "${dwarfs_image}" = 1 ]; then