remove variable name substitution

rffontenelle · rffontenelle · commit a41f04c32d36 · 2021-11-04T11:02:41.000-03:00
diff --git a/scripts/prepmsg.sh b/scripts/prepmsg.sh
@@ -4,9 +4,9 @@ set -ex
 
 [ $# -ne 2 ] && ( echo "Expected 1 input and 1 output files, got $#"; exit; )
 [ ! -f $1 ]  && ( echo "Input file $1 not found, skipping."; exit; )
-for var in GITHUB_REPOSITORY GITHUB_RUN_NUMBER GITHUB_JOB; do
-  [ -z ${!var} ] && ( echo "${!var} is empty."; exit 1; )
-done
+[ -z "${GITHUB_REPOSITORY}" ] && (echo "GITHUB_REPOSITORY is empty."; exit 1;)
+[ -z "${GITHUB_RUN_NUMBER}" ] && (echo "GITHUB_RUN_NUMBER is empty."; exit 1;)
+[ -z "${GITHUB_JOB}" ] && (echo "GITHUB_JOB is empty."; exit 1;)
 
 URL="https://github.com/${GITHUB_REPOSITORY}/actions/runs/${GITHUB_RUN_NUMBER}"
 echo "❌ *${GITHUB_JOB}* ([ID&nbsp;*${GITHUB_RUN_NUMBER}*]($URL)):" > $2
