From 13a8c309f5b4de09ac263a5ad2ae0cbeed044f30 Mon Sep 17 00:00:00 2001
From: neilpang <neil@neilpang.com>
Date: Sat, 8 Jul 2017 09:20:12 +0800
Subject: [PATCH] fix new shellcheck errors

---
 .travis.yml       | 2 +-
 dnsapi/dns_aws.sh | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 7f7e120c..2ba02b9c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -40,7 +40,7 @@ script:
   - if [ "$TRAVIS_OS_NAME" = "linux" ]; then ~/shfmt -l -w -i 2 . ; fi
   - if [ "$TRAVIS_OS_NAME" = "linux" ]; then git diff --exit-code && echo "shfmt OK" ; fi
   - if [ "$TRAVIS_OS_NAME" = "linux" ]; then shellcheck -V ; fi
-  - if [ "$TRAVIS_OS_NAME" = "linux" ]; then shellcheck **/*.sh && echo "shellcheck OK" ; fi
+  - if [ "$TRAVIS_OS_NAME" = "linux" ]; then shellcheck -e SC2181 **/*.sh && echo "shellcheck OK" ; fi
   - cd ..
   - git clone https://github.com/Neilpang/acmetest.git && cp -r acme.sh acmetest/ && cd acmetest
   - if [ "$TRAVIS_OS_NAME" = "linux" -a "$NGROK_TOKEN" ]; then sudo TEST_LOCAL="$TEST_LOCAL" NGROK_TOKEN="$NGROK_TOKEN" ./letest.sh ; fi
diff --git a/dnsapi/dns_aws.sh b/dnsapi/dns_aws.sh
index 800c3d09..40782573 100755
--- a/dnsapi/dns_aws.sh
+++ b/dnsapi/dns_aws.sh
@@ -208,7 +208,7 @@ aws_rest() {
   kServiceH="$(printf "$Service%s" | _hmac "$Hash" "$kRegionH" hex)"
   _debug2 kServiceH "$kServiceH"
 
-  kSigningH="$(printf "aws4_request%s" | _hmac "$Hash" "$kServiceH" hex)"
+  kSigningH="$(printf "%s" "aws4_request" | _hmac "$Hash" "$kServiceH" hex)"
   _debug2 kSigningH "$kSigningH"
 
   signature="$(printf "$StringToSign%s" | _hmac "$Hash" "$kSigningH" hex)"