Add "-f" to curl invocations

.template-helpers/generate-dockerfile-links-partial.sh

@@ -9,7 +9,7 @@ if [ -z "$repo" ]; then
 fi
 
 IFS=$'\n'
-lines=( $(curl -sSL 'https://raw.githubusercontent.com/docker-library/official-images/master/library/'"$repo" | grep -vE '^$|^#') )
+lines=( $(curl -fsSL 'https://raw.githubusercontent.com/docker-library/official-images/master/library/'"$repo" | grep -vE '^$|^#') )
 unset IFS
 
 repoDirs=()

.template-helpers/variant.sh

@@ -12,7 +12,7 @@ dir="$(dirname "$(readlink -f "$BASH_SOURCE")")"
 url='https://raw.githubusercontent.com/docker-library/official-images/master/library/'"$repo"
 
 IFS=$'\n'
-tags=( $(curl -sSL "$url" | grep -vE '^$|^#' | cut -d':' -f1 | sort -u) )
+tags=( $(curl -fsSL "$url" | grep -vE '^$|^#' | cut -d':' -f1 | sort -u) )
 unset IFS
 
 text=
@@ -24,12 +24,12 @@ for tag in "${tags[@]}"; do
 	fi
 done
 if [ "$text" ]; then
-	latest=($(curl -sSL "$url" | grep "latest.*github.com" | sed -e 's!git://github.com/!!' -e 's/@/ /' -))
+	latest=($(curl -fsSL "$url" | grep "latest.*github.com" | sed -e 's!git://github.com/!!' -e 's/@/ /' -))
 	if [ -z "latest" ]; then
 		exit 0 # If not github or no latest tag, we are done here
 	fi
 	dockerfile='https://raw.githubusercontent.com/'"${latest[1]}"'/'"${latest[2]}"'/'"${latest[3]}"'/Dockerfile'
-	baseImage=$(curl -sSL $dockerfile | sed 's/:/\t/' | awk '$1 == "FROM" { print $2 }')
+	baseImage=$(curl -fsSL "$dockerfile" | awk -F '[:[:space:]]+' '$1 == "FROM" { print $2 }')
 	# give a little space
 	echo
 	echo

update.sh

@@ -64,7 +64,7 @@ declare -A otherRepos=(
 	[websphere-liberty]='https://github.com/WASdev/ci.docker'
 )
 
-dockerLatest="$(curl -sSL 'https://get.docker.com/latest')"
+dockerLatest="$(curl -fsSL 'https://get.docker.com/latest')"
 
 for repo in "${repos[@]}"; do
 	if [ -x "$repo/update.sh" ]; then