Commonalize more bits of install.sh (especially standardizing around "cat <<-EOF")
Signed-off-by: Andrew "Tianon" Page <admwiggin@gmail.com>
This commit is contained in:
Tianon Gravi
parent
fa961ce046
commit
6842bba163
112
hack/install.sh
112
hack/install.sh
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@ -20,21 +20,41 @@ command_exists() {
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command -v "$@" > /dev/null 2>&1
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}
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do_docker_install() {
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echo_docker_as_nonroot() {
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your_user=your-user
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[ "$user" != 'root' ] && your_user="$user"
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# intentionally mixed spaces and tabs here -- tabs are stripped by "<<-EOF", spaces are kept in the output
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cat <<-EOF
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If you would like to use Docker as a non-root user, you should now consider
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adding your user to the "docker" group with something like:
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sudo usermod -aG docker $your_user
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Remember that you will have to log out and back in for this to take effect!
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EOF
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}
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do_install() {
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case "$(uname -m)" in
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*64)
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;;
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*)
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echo >&2 'Error: you are not using a 64bit platform.'
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echo >&2 'Docker currently only supports 64bit platforms.'
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cat >&2 <<-'EOF'
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Error: you are not using a 64bit platform.
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Docker currently only supports 64bit platforms.
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EOF
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exit 1
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;;
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esac
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if command_exists docker || command_exists lxc-docker; then
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echo >&2 'Warning: "docker" or "lxc-docker" command appears to already exist.'
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echo >&2 'Please ensure that you do not already have docker installed.'
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echo >&2 'You may press Ctrl+C now to abort this process and rectify this situation.'
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cat >&2 <<-'EOF'
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Warning: "docker" or "lxc-docker" command appears to already exist.
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Please ensure that you do not already have docker installed.
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You may press Ctrl+C now to abort this process and rectify this situation.
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EOF
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( set -x; sleep 20 )
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fi
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@ -47,8 +67,10 @@ do_docker_install() {
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elif command_exists su; then
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sh_c='su -c'
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else
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echo >&2 'Error: this installer needs the ability to run commands as root.'
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echo >&2 'We are unable to find either "sudo" or "su" available to make this happen.'
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cat >&2 <<-'EOF'
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Error: this installer needs the ability to run commands as root.
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We are unable to find either "sudo" or "su" available to make this happen.
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EOF
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exit 1
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fi
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fi
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@ -100,16 +122,7 @@ do_docker_install() {
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$sh_c 'docker version'
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) || true
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fi
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your_user=your-user
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[ "$user" != 'root' ] && your_user="$user"
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echo
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echo 'If you would like to use Docker as a non-root user, you should now consider'
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echo 'adding your user to the "docker" group with something like:'
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echo
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echo ' sudo usermod -aG docker' $your_user
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echo
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echo 'Remember that you will have to log out and back in for this to take effect!'
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echo
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echo_docker_as_nonroot
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exit 0
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;;
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@ -184,31 +197,28 @@ do_docker_install() {
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$sh_c 'docker version'
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) || true
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fi
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your_user=your-user
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[ "$user" != 'root' ] && your_user="$user"
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echo
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echo 'If you would like to use Docker as a non-root user, you should now consider'
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echo 'adding your user to the "docker" group with something like:'
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echo
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echo ' sudo usermod -aG docker' $your_user
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echo
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echo 'Remember that you will have to log out and back in for this to take effect!'
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echo
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echo_docker_as_nonroot
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exit 0
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;;
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gentoo)
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if [ "$url" = "https://test.docker.com/" ]; then
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echo >&2
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echo >&2 ' You appear to be trying to install the latest nightly build in Gentoo.'
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echo >&2 ' The portage tree should contain the latest stable release of Docker, but'
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echo >&2 ' if you want something more recent, you can always use the live ebuild'
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echo >&2 ' provided in the "docker" overlay available via layman. For more'
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echo >&2 ' instructions, please see the following URL:'
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echo >&2 ' https://github.com/tianon/docker-overlay#using-this-overlay'
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echo >&2 ' After adding the "docker" overlay, you should be able to:'
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echo >&2 ' emerge -av =app-emulation/docker-9999'
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echo >&2
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# intentionally mixed spaces and tabs here -- tabs are stripped by "<<-'EOF'", spaces are kept in the output
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cat >&2 <<-'EOF'
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You appear to be trying to install the latest nightly build in Gentoo.'
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The portage tree should contain the latest stable release of Docker, but'
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if you want something more recent, you can always use the live ebuild'
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provided in the "docker" overlay available via layman. For more'
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instructions, please see the following URL:'
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https://github.com/tianon/docker-overlay#using-this-overlay'
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After adding the "docker" overlay, you should be able to:'
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emerge -av =app-emulation/docker-9999'
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EOF
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exit 1
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fi
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@ -220,16 +230,20 @@ do_docker_install() {
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;;
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esac
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echo >&2
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echo >&2 'Either your platform is not easily detectable, is not supported by this'
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echo >&2 'installer script (yet - PRs welcome! [hack/install.sh]), or does not yet have'
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echo >&2 'a package for Docker. Please visit the following URL for more detailed'
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echo >&2 'installation instructions:'
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echo >&2
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echo >&2 ' https://docs.docker.com/en/latest/installation/'
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echo >&2
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exit 1
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# intentionally mixed spaces and tabs here -- tabs are stripped by "<<-'EOF'", spaces are kept in the output
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cat >&2 <<-'EOF'
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Either your platform is not easily detectable, is not supported by this
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installer script (yet - PRs welcome! [hack/install.sh]), or does not yet have
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a package for Docker. Please visit the following URL for more detailed
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installation instructions:
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https://docs.docker.com/en/latest/installation/
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EOF
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exit 1
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}
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do_docker_install
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exit 1
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# wrapped up in a function so that we have some protection against only getting
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# half the file during "curl | sh"
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do_install
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