Merge pull request #51 from haya14busa/fix-herestring

Use here string to pass var to jq to avoid errors

Author: haya14busa

entrypoint.sh

@@ -49,10 +49,9 @@ setup_from_labeled_event() {
 # - PR_TITLE
 setup_from_push_event() {
   pull_request="$(list_pulls | jq ".[] | select(.merge_commit_sha==\"${GITHUB_SHA}\")")"
-  echo "${pull_request}" # debug
-  LABELS=$(echo "${pull_request}" | jq '.labels | .[].name')
-  PR_NUMBER=$(echo "${pull_request}" | jq -r .number)
-  PR_TITLE=$(echo "${pull_request}" | jq -r .title)
+  LABELS=$(jq '.labels | .[].name' <<< "${pull_request}")
+  PR_NUMBER=$(jq -r .number <<< "${pull_request}")
+  PR_TITLE=$(jq -r .title <<< "${pull_request}")
 }
 
 list_pulls() {
@@ -100,7 +99,7 @@ post_comment() {
   body_text="$1"
   endpoint="${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/issues/${PR_NUMBER}/comments"
   # Do not quote body_text for multiline comments.
-  body="$(echo ${body_text} | jq -ncR '{body: input}')"
+  body="$(jq -ncR '{body: input}' <<< ${body_text})"
   curl -H "Authorization: token ${INPUT_GITHUB_TOKEN}" -d "${body}" "${endpoint}"
 }