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Extract utils.tar only if it's not extracted yet

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Kron4ek 2021-04-12 02:12:55 +05:00 committed by GitHub
parent 8dce6f69a5
commit 23892271fe
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1 changed files with 11 additions and 8 deletions
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13
squashfs-start.sh
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@ -31,7 +31,7 @@ export working_dir=/tmp/"$(basename "${script}")"_"${USER}"_"${script_md5}"
# a problem with mounting the squashfs image due to an incorrectly calculated offset. # a problem with mounting the squashfs image due to an incorrectly calculated offset.
# The size of this script # The size of this script
scriptsize=13692 scriptsize=13755
# The size of the utils.tar archive # The size of the utils.tar archive
# utils.tar contains bwrap and squashfuse binaries # utils.tar contains bwrap and squashfuse binaries
@ -125,16 +125,19 @@ fi
mkdir -p "${working_dir}" mkdir -p "${working_dir}"
if [ -z "${USE_SYS_UTILS}" ]; then if [ -z "${USE_SYS_UTILS}" ]; then
sfuse="${working_dir}"/utils/squashfuse
bwrap="${working_dir}"/utils/bwrap
if [ ! -f "${sfuse}" ] || [ ! -f "${bwrap}" ]; then
tail -c +$((scriptsize+1)) "${script}" | head -c $utilssize > "${working_dir}"/utils.tar tail -c +$((scriptsize+1)) "${script}" | head -c $utilssize > "${working_dir}"/utils.tar
tar -C "${working_dir}" -xf "${working_dir}"/utils.tar tar -C "${working_dir}" -xf "${working_dir}"/utils.tar
rm "${working_dir}"/utils.tar rm "${working_dir}"/utils.tar
export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${working_dir}/utils"
sfuse="${working_dir}"/utils/squashfuse
bwrap="${working_dir}"/utils/bwrap
chmod +x "${sfuse}" chmod +x "${sfuse}"
chmod +x "${bwrap}" chmod +x "${bwrap}"
fi
export LD_LIBRARY_PATH="${working_dir}/utils:${LD_LIBRARY_PATH}"
else else
if ! command -v bwrap 1>/dev/null; then if ! command -v bwrap 1>/dev/null; then
echo "USE_SYS_UTILS is enabled, but bwrap is not installed!" echo "USE_SYS_UTILS is enabled, but bwrap is not installed!"