Daniel Redetzke
20d42c01ec
curl -fsSL https://git.redetzke.aero/Redetzke/GHOSTWIRE/raw/branch/main/install.sh | sh downloads the latest release for the machine's architecture (Gitea, or GitHub as fallback), checks it against SHA256SUMS and runs install with the given arguments.
67 lines
2.2 KiB
Bash
Executable File
67 lines
2.2 KiB
Bash
Executable File
#!/bin/sh
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# Downloads the latest GHOSTWIRE release, checks it against SHA256SUMS and
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# runs its install command. Usage:
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#
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# curl -fsSL https://git.redetzke.aero/Redetzke/GHOSTWIRE/raw/branch/main/install.sh | sh
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# curl -fsSL …/install.sh | sh -s -- -y -domain vpn.example.net -email you@example.net
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#
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# Arguments are passed on to "GHOSTWIRE install". Everything is wrapped in
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# main so that a cut-off download runs nothing.
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set -eu
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GITEA=https://git.redetzke.aero/Redetzke/GHOSTWIRE
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GITEA_API=https://git.redetzke.aero/api/v1/repos/Redetzke/GHOSTWIRE/releases/latest
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GITHUB=https://github.com/danielredetzke/GHOSTWIRE
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GITHUB_API=https://api.github.com/repos/danielredetzke/GHOSTWIRE/releases/latest
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die() { echo "GHOSTWIRE: $*" >&2; exit 1; }
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latest() { curl -fsSL "$1" 2>/dev/null | sed -n 's/.*"tag_name": *"\([^"]*\)".*/\1/p'; }
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main() {
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[ "$(uname -s)" = Linux ] || die "runs on Linux only"
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case "$(uname -m)" in
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x86_64 | amd64) arch=amd64 ;;
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aarch64 | arm64) arch=arm64 ;;
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armv7l | armv8l) arch=armv7 ;;
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*) die "no build for $(uname -m)" ;;
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esac
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command -v curl >/dev/null || die "needs curl"
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command -v sha256sum >/dev/null || die "needs sha256sum"
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sudo=
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if [ "$(id -u)" -ne 0 ]; then
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command -v sudo >/dev/null || die "run as root or install sudo"
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sudo=sudo
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fi
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# Gitea first, GitHub if it is not reachable.
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repo=$GITEA
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version=$(latest "$GITEA_API")
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if [ -z "$version" ]; then
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repo=$GITHUB
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version=$(latest "$GITHUB_API")
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fi
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[ -n "$version" ] || die "could not find the latest release"
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file=GHOSTWIRE-$version-linux-$arch
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tmp=$(mktemp -d)
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trap 'rm -rf "$tmp"' EXIT
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echo "Downloading GHOSTWIRE $version ($arch) from $repo"
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curl -fsSL -o "$tmp/$file" "$repo/releases/download/$version/$file"
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curl -fsSL -o "$tmp/SHA256SUMS" "$repo/releases/download/$version/SHA256SUMS"
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(cd "$tmp" && grep " $file\$" SHA256SUMS | sha256sum -c --status) ||
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die "checksum of $file does not match SHA256SUMS"
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mv "$tmp/$file" "$tmp/GHOSTWIRE"
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chmod 755 "$tmp/GHOSTWIRE"
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# The script itself arrives on stdin, so the questions read the terminal.
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if [ -t 1 ] && [ -r /dev/tty ]; then
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$sudo "$tmp/GHOSTWIRE" install "$@" </dev/tty
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else
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$sudo "$tmp/GHOSTWIRE" install "$@"
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fi
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}
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main "$@"
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