From 0cb8bf900ba4095b531d85eb199e8ee02a649aa8 Mon Sep 17 00:00:00 2001
From: John Aylward <john@johnanddalene.net>
Date: Wed, 4 Mar 2020 13:19:52 -0500
Subject: [PATCH] Ensure explicit ARM version and add FreeBSD builds

---
 .gitignore         |  2 +-
 ci-build-script.sh | 16 +++++++++++++---
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/.gitignore b/.gitignore
index 42ce9ef..080f573 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,4 +5,4 @@ digitalocean-dynamic-ip.json
 
 # GoLand IDE
 .idea/
-releases
\ No newline at end of file
+releases
diff --git a/ci-build-script.sh b/ci-build-script.sh
index 760b593..224b183 100755
--- a/ci-build-script.sh
+++ b/ci-build-script.sh
@@ -6,18 +6,28 @@ if [[ -z "$package" ]]; then
 fi
 package_split=(${package//\// })
 package_name=${package_split[-1]}
-platforms=("windows/amd64" "windows/386" "darwin/amd64" "linux/386" "linux/amd64" "linux/arm" "linux/arm64")
-mkdir releases
+#see https://en.wikipedia.org/wiki/Raspberry_Pi#Specifications for RPi arm versions
+#see https://github.com/golang/go/wiki/GoArm
+platforms=("windows/amd64" "windows/386" "darwin/amd64" "linux/386" "linux/amd64" "linux/arm/6" "linux/arm/7" "linux/arm64/8" "freebsd/386" "freebsd/amd64")
+mkdir -p releases
 for platform in "${platforms[@]}"
 do
     platform_split=(${platform//\// })
     GOOS=${platform_split[0]}
     GOARCH=${platform_split[1]}
+    GOARM=${platform_split[2]}
     output_name='digitalocean-dynamic-dns-ip-'$GOOS'-'$GOARCH
+    if [[ ! -z "$GOARM" ]]; then
+        output_name+="v${GOARM}"
+        # arm v8 is only supported for ARCH=arm64 and requires an empty GOARM version
+        if [[ "8" -eq "$GOARM" ]]; then
+            GOARM=""
+        fi
+    fi
     if [ $GOOS = "windows" ]; then
         output_name+='.exe'
     fi
-    env GOOS=$GOOS GOARCH=$GOARCH go build -o releases/$output_name $package_name
+    env GOOS="$GOOS" GOARCH="$GOARCH" GOARM="$GOARM" go build -o "releases/$output_name" "$package_name"
     if [ $? -ne 0 ]; then
         echo 'An error has occurred! Aborting the script execution...'
         exit 1