Merge pull request #2499 from djds/master

hack: update install-buildx

hack/install-buildx

@@ -1,11 +1,11 @@
 #!/usr/bin/env bash
-set -eu -o pipefail
+set -euo pipefail
 
-if [ -z "${BINDIR}" ] && [ -z "${PREFIX}" ]; then
-  PREFIX="$(realpath "$(dirname "$0")"/..)"
+if [ -z "${BINDIR:-}" ] && [ -z "${PREFIX:-}" ]; then
+  PREFIX="$(realpath "$(dirname "$0")/..")"
 fi
 
-: "${VERSION:=v0.5.1}"
+: "${VERSION:=v0.7.1}"
 : "${BINDIR:="${PREFIX}/bin"}"
 : "${DEST:="${BINDIR}/buildx"}"