Merge pull request #31 from reviewdog/bump-go1.20

bump Go 1.20. Closes #30

.github/workflows/test.yml

@@ -20,8 +20,8 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: 1.16
-      - run: GO111MODULE=on go get mvdan.cc/sh/v3/cmd/shfmt
+          go-version: "1.20"
+      - run: go install mvdan.cc/sh/v3/cmd/shfmt@latest
 
       - run: shfmt -i 2 -ci -w .
       - name: suggester / shfmt

script.sh

@@ -12,6 +12,7 @@ git diff >"${TMPFILE}"
 
 git stash -u
 
+# shellcheck disable=SC2086
 reviewdog \
   -name="${INPUT_TOOL_NAME:-reviewdog-suggester}" \
   -f=diff \
@@ -20,12 +21,14 @@ reviewdog \
   -filter-mode="${INPUT_FILTER_MODE}" \
   -fail-on-error="${INPUT_FAIL_ON_ERROR}" \
   -level="${INPUT_LEVEL}" \
-  ${INPUT_REVIEWDOG_FLAGS} <"${TMPFILE}" || EXIT_CODE=$?
+  ${INPUT_REVIEWDOG_FLAGS} <"${TMPFILE}" # INPUT_REVIEWDOG_FLAGS is intentionally split to pass multiple flags
+
+EXIT_CODE=$?
 
 if [ "${INPUT_CLEANUP}" = "true" ]; then
   git stash drop || true
 else
   git stash pop || true
 fi
 
-exit ${EXIT_CODE}
+exit "${EXIT_CODE}"