From c973d3abebe8e647ac0c00c97e03017520269eb8 Mon Sep 17 00:00:00 2001
From: Bertrand Roussel <broussel@sierrawireless.com>
Date: Wed, 6 May 2020 05:33:25 -0700
Subject: [PATCH 1/3] Add option to run with Docker

---
 lint.sh | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/lint.sh b/lint.sh
index 25850af..c7170f4 100755
--- a/lint.sh
+++ b/lint.sh
@@ -6,12 +6,19 @@ set -o nounset
 
 export PATH=$PATH:/usr/local/bin
 
-if ! which hadolint &>/dev/null; then
-    >&2 echo 'hadolint command not found'
-    if [ -z "$(command -v brew)" ]; then
-        exit 1
+CMD="hadolint"
+
+if ! command -v hadolint >/dev/null; then
+    if [ -n "$(command -v brew)" ]; then
+        >&2 echo "hadolint: installing using brew"
+        brew install hadolint
+    elif [ -n "$(command -v docker)" ]; then
+        >&2 echo "hadolint: running with docker"
+        CMD="docker run --rm --volume=$PWD:$PWD:ro --workdir=$PWD hadolint/hadolint hadolint"
+    else
+        >&2 echo "hadolint: command not found and don't know how to install"
     fi
-    brew install hadolint
 fi
 
-hadolint "$@"
+set -x
+$CMD "$@"

From fa9019f4d986338c3449afc222ae5d6b6bd0e6c3 Mon Sep 17 00:00:00 2001
From: Bertrand Roussel <broussel@sierrawireless.com>
Date: Wed, 6 May 2020 05:49:24 -0700
Subject: [PATCH 2/3] Add option to run directly on host

---
 .gitignore |  1 +
 lint.sh    | 10 ++++++++++
 2 files changed, 11 insertions(+)
 create mode 100644 .gitignore

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3a90f63
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+hadolint
diff --git a/lint.sh b/lint.sh
index c7170f4..fb8019e 100755
--- a/lint.sh
+++ b/lint.sh
@@ -7,11 +7,21 @@ set -o nounset
 export PATH=$PATH:/usr/local/bin
 
 CMD="hadolint"
+SCRIPT_DIR="$( cd `dirname "$0"` && pwd )"
+export PATH="$SCRIPT_DIR:$PATH"
 
 if ! command -v hadolint >/dev/null; then
     if [ -n "$(command -v brew)" ]; then
         >&2 echo "hadolint: installing using brew"
         brew install hadolint
+    elif [ -n "$(command -v curl)" ]; then
+        VERSION="v1.17.6"
+        URL="https://github.com/hadolint/hadolint/releases/download/$VERSION/hadolint-$(uname)-x86_64"
+        if ! curl -fsSL "$URL" -o "$SCRIPT_DIR/hadolint"; then
+            >&2 echo "hadolint: unable to download from $URL"
+            exit 1
+        fi
+        chmod +x "$SCRIPT_DIR/hadolint"
     elif [ -n "$(command -v docker)" ]; then
         >&2 echo "hadolint: running with docker"
         CMD="docker run --rm --volume=$PWD:$PWD:ro --workdir=$PWD hadolint/hadolint hadolint"

From fd7dca7bc1b4739848e05011899037157b3862e4 Mon Sep 17 00:00:00 2001
From: Bertrand Roussel <broussel@sierrawireless.com>
Date: Wed, 6 May 2020 05:55:07 -0700
Subject: [PATCH 3/3] Remove set -x

---
 lint.sh | 1 -
 1 file changed, 1 deletion(-)

diff --git a/lint.sh b/lint.sh
index fb8019e..f33317b 100755
--- a/lint.sh
+++ b/lint.sh
@@ -30,5 +30,4 @@ if ! command -v hadolint >/dev/null; then
     fi
 fi
 
-set -x
 $CMD "$@"