}
# Check if this is a forked Linux distro
check_forked() {
# Check for lsb_release command existence, it usually exists in forked distros
if command_exists lsb_release; then
# Check if the `-u` option is supported
set +e
lsb_release -a -u > /dev/null 2>&1
lsb_release_exit_code=$?
set -e
# Check if the command has exited successfully, it means we're in a forked distro
if [ "$lsb_release_exit_code" = "0" ]; then
# Print info about current distro
cat <<-EOF
You're using '$lsb_dist' version '$dist_version'.
EOF
# Get the upstream release info
lsb_dist=$(lsb_release -a -u 2>&1 | tr '[:upper:]' '[:lower:]' | grep -E 'id' | cut -d ':' -f 2 | tr -d '[:space:]')
dist_version=$(lsb_release -a -u 2>&1 | tr '[:upper:]' '[:lower:]' | grep -E 'codename' | cut -d ':' -f 2 | tr -d '[:space:]')
# Print info about upstream distro
cat <<-EOF
Upstream release is '$lsb_dist' version '$dist_version'.
EOF
else
if [ -r /etc/debian_version ] && [ "$lsb_dist" != "ubuntu" ] && [ "$lsb_dist" != "raspbian" ]; then
if [ "$lsb_dist" = "osmc" ]; then
# OSMC runs Raspbian
lsb_dist=raspbian
else
# We're Debian and don't even know it!
lsb_dist=debian
fi
dist_version="$(sed 's//.*//' /etc/debian_version | sed 's/..*//')"
case "$dist_version" in
9)
dist_version="stretch"
;;
8|'Kali Linux 2')
dist_version="jessie"
;;
7)
dist_version="wheezy"
;;
esac
fi
fi
fi
}
semverParse() {
major="${1%%.*}"
minor="${1#$major.}"
minor="${minor%%.*}"
patch="${1#$major.$minor.}"
patch="${patch%%[-.]*}"
}
ee_notice() {
echo
echo
echo " WARNING: $1 is now only supported by Docker EE"
echo " Check https://store.docker.com for information on Docker EE"
echo
echo
}
do_install() {
echo "# Executing docker install script, commit: $SCRIPT_COMMIT_SHA"
if command_exists docker; then
docker_version="$(docker -v | cut -d ' ' -f3 | cut -d ',' -f1)"
MAJOR_W=1
MINOR_W=10
semverParse "$docker_version"
shouldWarn=0
if [ "$major" -lt "$MAJOR_W" ]; then
shouldWarn=1
fi
if [ "$major" -le "$MAJOR_W" ] && [ "$minor" -lt "$MINOR_W" ]; then
shouldWarn=1
fi
cat >&2 <<-'EOF'
Warning: the "docker" command appears to already exist on this system.
If you already have Docker installed, this script can cause trouble, which is
