meebis 0.15.0

#!/usr/bin/env bash
# asdf: place the downloaded binary in $ASDF_INSTALL_PATH/bin.
#
# The install path is only populated on success — asdf treats a directory that
# exists as a version that is installed, so a half-written one would leave a
# broken version that looks fine in `asdf list`.
set -euo pipefail

. "$(dirname "$0")/lib.sh"

[ "${ASDF_INSTALL_TYPE:-version}" = "version" ] ||
  fail "only released versions can be installed, not refs — build from source with cargo instead"

version="${ASDF_INSTALL_VERSION:?ASDF_INSTALL_VERSION is not set}"
src="${ASDF_DOWNLOAD_PATH:?ASDF_DOWNLOAD_PATH is not set}"
dest="${ASDF_INSTALL_PATH:?ASDF_INSTALL_PATH is not set}"

[ -f "$src/meebis" ] || fail "no downloaded binary at $src/meebis"

staging="$(mktemp -d)"
trap 'rm -rf "$staging"' EXIT

mkdir -p "$staging/bin"
cp "$src/meebis" "$staging/bin/meebis"
chmod +x "$staging/bin/meebis"

# Prove the binary runs on this machine before claiming the version is
# installed — a wrong-architecture download otherwise fails much later, at a
# point where nothing points back to here.
installed="$("$staging/bin/meebis" --version 2>/dev/null)" ||
  fail "the downloaded binary would not run on this machine"
case "$installed" in
  "meebis $version") ;;
  *) fail "downloaded v${version} but the binary reports '${installed}'" ;;
esac

mkdir -p "$dest"
cp -R "$staging/bin" "$dest/"
echo "meebis: installed $installed to $dest/bin/meebis"