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Add option to mount and unmount the image

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Kron4ek 2021-08-09 17:50:01 +05:00 committed by GitHub
parent 22e6270f62
commit 9e366b00fe
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 26 additions and 5 deletions
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27
conty-start.sh
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@ -43,7 +43,7 @@ mount_point="${working_dir}"/mnt
# a problem with mounting the image due to an incorrectly calculated offset.
# The size of this script
scriptsize=22514
scriptsize=23232
# The size of the utils.tar.gz archive
# utils.tar.gz contains bwrap, squashfuse and dwarfs binaries
@ -64,8 +64,12 @@ if [ "$1" = "--help" ] || [ "$1" = "-h" ] || ([ -z "$1" ] && [ ! -L "${script_li
echo "Arguments:"
echo
echo -e "-v \tShow version of this script"
echo -e "-e \tExtract the squashfs/dwarfs image"
echo -e "-e \tExtract the image"
echo -e "-o \tShow the image offset"
echo -e "-m \tMount/unmount the image"
echo -e "\tThe image will be mounted if it's not mounted, and unmounted otherwise."
echo -e "\tMount point can be changed with the BASE_DIR env variable"
echo -e "\t(the default is /tmp)."
echo -e "-u \tUpdate all packages inside the container"
echo -e "\tThis will update all packages inside the container and will rebuild"
echo -e "\tthe image. This may take quite a lot of time, depending"
@ -73,7 +77,8 @@ if [ "$1" = "--help" ] || [ "$1" = "-h" ] || ([ -z "$1" ] && [ ! -L "${script_li
echo -e "\t(about 6x the size of the current file) is needed during"
echo -e "\tthe update process."
echo -e "-U \tThe same as -u but will also update the init script (conty-start.sh)"
echo -e "\tand the integrated utils."
echo -e "\tand the integrated utils. This option may break Conty in some cases,"
echo -e "\tuse with caution."
echo
echo "Environment variables:"
echo
@ -646,6 +651,10 @@ trap_exit () {
trap 'trap_exit' EXIT
if [ "$(ls "${working_dir}"/running_* 2>/dev/null)" ] && [ ! "$(ls "${mount_point}" 2>/dev/null)" ]; then
rm -f "${working_dir}"/running_*
fi
# Mount the squashfs image
mkdir -p "${mount_point}"
@ -654,6 +663,18 @@ if [ "$(ls "${mount_point}" 2>/dev/null)" ] || \
launch_wrapper "${mount_tool}" "${script}" "${mount_point}" -o offset="${offset}" -o debuglevel=error -o workers="${dwarfs_num_workers}" \
-o mlock=try -o no_cache_image -o cache_files -o cachesize="${dwarfs_cache_size}"; then
if [ "$1" = "-m" ]; then
if [ ! -f "${working_dir}"/running_mount ]; then
echo 1 > "${working_dir}"/running_mount
echo "The image has been mounted to ${mount_point}"
else
rm -f "${working_dir}"/running_mount
echo "The image has been unmounted"
fi
exit
fi
echo 1 > "${working_dir}"/running_"${script_id}"
show_msg "Running Conty"