Plugin install script

scripts/install_plugin.sh

@@ -0,0 +1,64 @@
+#!/bin/sh -e
+
+# Copied w/ love from the chartmuseum/helm-push :)
+
+name="helm-push"
+repo="https://github.com/komodorio/${name}"
+
+if [ -n "${HELM_PUSH_PLUGIN_NO_INSTALL_HOOK}" ]; then
+    echo "Development mode: not downloading versioned release."
+    exit 0
+fi
+
+version="$(cat plugin.yaml | grep "version" | cut -d '"' -f 2)"
+echo "Downloading and installing ${name} v${version} ..."
+
+url=""
+
+# convert architecture of the target system to a compatible GOARCH value.
+# Otherwise failes to download of the plugin from github, because the provided
+# architecture by `uname -m` is not part of the github release.
+arch=""
+case $(uname -m) in
+  x86_64)
+    arch="x86_64"
+    ;;
+  armv6*)
+    arch="armv6"
+    ;;
+  # match every arm processor version like armv7h, armv7l and so on.
+  armv7*)
+    arch="armv7"
+    ;;
+  aarch64 | arm64)
+    arch="arm64"
+    ;;
+  *)
+    echo "Failed to detect target architecture"
+    exit 1
+    ;;
+esac
+
+
+if [ "$(uname)" = "Darwin" ]; then
+    url="${repo}/releases/download/v${version}/${name}_${version}_darwin_${arch}.tar.gz"
+elif [ "$(uname)" = "Linux" ] ; then
+    url="${repo}/releases/download/v${version}/${name}_${version}_linux_${arch}.tar.gz"
+else
+    url="${repo}/releases/download/v${version}/${name}_${version}_windows_${arch}.tar.gz"
+fi
+
+echo $url
+
+mkdir -p "bin"
+mkdir -p "releases/v${version}"
+
+# Download with curl if possible.
+if [ -x "$(which curl 2>/dev/null)" ]; then
+    curl -sSL "${url}" -o "releases/v${version}.tar.gz"
+else
+    wget -q "${url}" -O "releases/v${version}.tar.gz"
+fi
+tar xzf "releases/v${version}.tar.gz" -C "releases/v${version}"
+mv "releases/v${version}/bin/${name}" "bin/${name}" || \
+    mv "releases/v${version}/bin/${name}.exe" "bin/${name}"