Merge pull request #2106 from thaJeztah/update_buildx_install_script

hack/install-buildx: allow overriding variables
moby · May 10, 2021 · 70deac1 · 70deac1
2 parents d31a0dc + 6d75906
commit 70deac1
Showing 1 changed file with 7 additions and 5 deletions.
diff --git a/hack/install-buildx b/hack/install-buildx
@@ -1,11 +1,13 @@
 #!/usr/bin/env bash
 set -eu -o pipefail
-topdir="$(realpath $(dirname "$0")/..)"
-cd "${topdir}"
 
-VERSION="v0.5.1"
-BINDIR="$(pwd)/bin"
-DEST="${BINDIR}/buildx"
+if [ -z "${BINDIR}" ] && [ -z "${PREFIX}" ]; then
+  PREFIX="$(realpath "$(dirname "$0")"/..)"
+fi
+
+: "${VERSION:=v0.5.1}"
+: "${BINDIR:="${PREFIX}/bin"}"
+: "${DEST:="${BINDIR}/buildx"}"
 
 os=""
 case "$(uname)" in