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Commonalize more bits of install.sh (especially standardizing around "cat <<-EOF")

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Signed-off-by: Andrew "Tianon" Page <admwiggin@gmail.com>
This commit is contained in:
Tianon Gravi 2015-04-09 12:14:53 -06:00
parent fa961ce046
commit 6842bba163
1 changed files with 63 additions and 49 deletions
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112
hack/install.sh
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@ -20,21 +20,41 @@ command_exists() {
command -v "$@" > /dev/null 2>&1
}
do_docker_install() {
echo_docker_as_nonroot() {
your_user=your-user
[ "$user" != 'root' ] && your_user="$user"
# intentionally mixed spaces and tabs here -- tabs are stripped by "<<-EOF", spaces are kept in the output
cat <<-EOF
If you would like to use Docker as a non-root user, you should now consider
adding your user to the "docker" group with something like:
sudo usermod -aG docker $your_user
Remember that you will have to log out and back in for this to take effect!
EOF
}
do_install() {
case "$(uname -m)" in
*64)
;;
*)
echo >&2 'Error: you are not using a 64bit platform.'
echo >&2 'Docker currently only supports 64bit platforms.'
cat >&2 <<-'EOF'
Error: you are not using a 64bit platform.
Docker currently only supports 64bit platforms.
EOF
exit 1
;;
esac
if command_exists docker || command_exists lxc-docker; then
echo >&2 'Warning: "docker" or "lxc-docker" command appears to already exist.'
echo >&2 'Please ensure that you do not already have docker installed.'
echo >&2 'You may press Ctrl+C now to abort this process and rectify this situation.'
cat >&2 <<-'EOF'
Warning: "docker" or "lxc-docker" command appears to already exist.
Please ensure that you do not already have docker installed.
You may press Ctrl+C now to abort this process and rectify this situation.
EOF
( set -x; sleep 20 )
fi
@ -47,8 +67,10 @@ do_docker_install() {
elif command_exists su; then
sh_c='su -c'
else
echo >&2 'Error: this installer needs the ability to run commands as root.'
echo >&2 'We are unable to find either "sudo" or "su" available to make this happen.'
cat >&2 <<-'EOF'
Error: this installer needs the ability to run commands as root.
We are unable to find either "sudo" or "su" available to make this happen.
EOF
exit 1
fi
fi
@ -100,16 +122,7 @@ do_docker_install() {
$sh_c 'docker version'
) || true
fi
your_user=your-user
[ "$user" != 'root' ] && your_user="$user"
echo
echo 'If you would like to use Docker as a non-root user, you should now consider'
echo 'adding your user to the "docker" group with something like:'
echo
echo ' sudo usermod -aG docker' $your_user
echo
echo 'Remember that you will have to log out and back in for this to take effect!'
echo
echo_docker_as_nonroot
exit 0
;;
@ -184,31 +197,28 @@ do_docker_install() {
$sh_c 'docker version'
) || true
fi
your_user=your-user
[ "$user" != 'root' ] && your_user="$user"
echo
echo 'If you would like to use Docker as a non-root user, you should now consider'
echo 'adding your user to the "docker" group with something like:'
echo
echo ' sudo usermod -aG docker' $your_user
echo
echo 'Remember that you will have to log out and back in for this to take effect!'
echo
echo_docker_as_nonroot
exit 0
;;
gentoo)
if [ "$url" = "https://test.docker.com/" ]; then
echo >&2
echo >&2 ' You appear to be trying to install the latest nightly build in Gentoo.'
echo >&2 ' The portage tree should contain the latest stable release of Docker, but'
echo >&2 ' if you want something more recent, you can always use the live ebuild'
echo >&2 ' provided in the "docker" overlay available via layman. For more'
echo >&2 ' instructions, please see the following URL:'
echo >&2 ' https://github.com/tianon/docker-overlay#using-this-overlay'
echo >&2 ' After adding the "docker" overlay, you should be able to:'
echo >&2 ' emerge -av =app-emulation/docker-9999'
echo >&2
# intentionally mixed spaces and tabs here -- tabs are stripped by "<<-'EOF'", spaces are kept in the output
cat >&2 <<-'EOF'
You appear to be trying to install the latest nightly build in Gentoo.'
The portage tree should contain the latest stable release of Docker, but'
if you want something more recent, you can always use the live ebuild'
provided in the "docker" overlay available via layman. For more'
instructions, please see the following URL:'
https://github.com/tianon/docker-overlay#using-this-overlay'
After adding the "docker" overlay, you should be able to:'
emerge -av =app-emulation/docker-9999'
EOF
exit 1
fi
@ -220,16 +230,20 @@ do_docker_install() {
;;
esac
echo >&2
echo >&2 'Either your platform is not easily detectable, is not supported by this'
echo >&2 'installer script (yet - PRs welcome! [hack/install.sh]), or does not yet have'
echo >&2 'a package for Docker. Please visit the following URL for more detailed'
echo >&2 'installation instructions:'
echo >&2
echo >&2 ' https://docs.docker.com/en/latest/installation/'
echo >&2
exit 1
# intentionally mixed spaces and tabs here -- tabs are stripped by "<<-'EOF'", spaces are kept in the output
cat >&2 <<-'EOF'
Either your platform is not easily detectable, is not supported by this
installer script (yet - PRs welcome! [hack/install.sh]), or does not yet have
a package for Docker. Please visit the following URL for more detailed
installation instructions:
https://docs.docker.com/en/latest/installation/
EOF
exit 1
}
do_docker_install
exit 1
# wrapped up in a function so that we have some protection against only getting
# half the file during "curl | sh"
do_install