From a3dcc70e39089b6bedc25682c0420f91c2e779de Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Mart=C3=AD?= <mvdan@mvdan.cc>
Date: Mon, 11 Mar 2019 09:56:46 +0000
Subject: [PATCH] cmd/shfmt: add Docker image build files from v2

---
 cmd/shfmt/Dockerfile |  8 ++++++++
 release-docker.sh    | 14 ++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 cmd/shfmt/Dockerfile
 create mode 100755 release-docker.sh

diff --git a/cmd/shfmt/Dockerfile b/cmd/shfmt/Dockerfile
new file mode 100644
index 000000000..8b9709367
--- /dev/null
+++ b/cmd/shfmt/Dockerfile
@@ -0,0 +1,8 @@
+FROM golang:1.12-alpine3.9
+
+COPY . /go/src/mvdan.cc/sh
+RUN CGO_ENABLED=0 go install -ldflags '-w -s -extldflags "-static"' mvdan.cc/sh/cmd/shfmt
+
+FROM busybox:1.30.1-musl
+COPY --from=0 /go/bin/shfmt /bin/shfmt
+ENTRYPOINT ["/bin/shfmt"]
diff --git a/release-docker.sh b/release-docker.sh
new file mode 100755
index 000000000..41915ba00
--- /dev/null
+++ b/release-docker.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+tag=$(git describe --exact-match 2>/dev/null)
+if [[ $? != 0 ]]; then
+	tag=latest
+fi
+
+docker build -t mvdan/shfmt:$tag -f cmd/shfmt/Dockerfile .
+
+if [[ -n $DOCKER_PASSWORD ]]; then
+	echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
+fi
+
+docker push mvdan/shfmt:$tag