Clean up @nikovirtala's apply work.

apply/Dockerfile

@@ -1,15 +1,15 @@
-FROM hashicorp/terraform:0.11.11
+FROM hashicorp/terraform:0.12.0
 
 LABEL "com.github.actions.name"="terraform apply"
 LABEL "com.github.actions.description"="Run Terraform Apply"
-LABEL "com.github.actions.icon"="upload"
+LABEL "com.github.actions.icon"="play-circle"
 LABEL "com.github.actions.color"="purple"
 
 LABEL "repository"="https://github.com/hashicorp/terraform-github-actions"
 LABEL "homepage"="http://github.com/hashicorp/terraform-github-actions"
 LABEL "maintainer"="HashiCorp Terraform Team <terraform@hashicorp.com>"
 
-RUN apk --no-cache add jq
+RUN apk --no-cache add jq curl
 
 COPY entrypoint.sh /entrypoint.sh
 ENTRYPOINT ["/entrypoint.sh"]

apply/entrypoint.sh

@@ -7,15 +7,15 @@ wrap() {
     echo "
 <details><summary>Show Output</summary>
 
-\`\`\`diff
+\`\`\`
 $1
 \`\`\`
 
 </details>
 "
 else
     echo "
-\`\`\`diff
+\`\`\`
 $1
 \`\`\`
 "
@@ -26,19 +26,28 @@ set -e
 
 cd "${TF_ACTION_WORKING_DIR:-.}"
 
-WORKSPACE=${TF_ACTION_WORKSPACE:-default}
-terraform workspace select "$WORKSPACE"
+if [[ ! -z "$TF_ACTION_TFE_TOKEN" ]]; then
+  cat > ~/.terraformrc << EOF
+credentials "${TF_ACTION_TFE_HOSTNAME:-app.terraform.io}" {
+  token = "$TF_ACTION_TFE_TOKEN"
+}
+EOF
+fi
 
-# Name the plan file based on selected workspace
-PLANFILE=${WORKSPACE}.tfplan
+if [[ ! -z "$TF_ACTION_WORKSPACE" ]] && [[ "$TF_ACTION_WORKSPACE" != "default" ]]; then
+  terraform workspace select "$TF_ACTION_WORKSPACE"
+fi
 
 set +e
-OUTPUT=$(sh -c "TF_IN_AUTOMATION=true terraform apply -no-color $PLANFILE $*" 2>&1)
+OUTPUT=$(sh -c "TF_IN_AUTOMATION=true terraform apply -no-color -auto-approve -input=false $*" 2>&1)
 SUCCESS=$?
 echo "$OUTPUT"
 set -e
 
-if [ "$TF_ACTION_COMMENT" = "1" ] || [ "$TF_ACTION_COMMENT" = "false" ]; then
+# If PR_DATA is null, then this is not a pull request event and so there's
+# no where to comment.
+PR_DATA=$(cat /github/workflow/event.json | jq -r .pull_request)
+if [ "$TF_ACTION_COMMENT" = "1" ] || [ "$TF_ACTION_COMMENT" = "false" ] || [ "$PR_DATA" = "null" ]; then
     exit $SUCCESS
 fi
 
@@ -47,24 +56,14 @@ COMMENT=""
 if [ $SUCCESS -ne 0 ]; then
     OUTPUT=$(wrap "$OUTPUT")
     COMMENT="#### \`terraform apply\` Failed
-$OUTPUT"
+$OUTPUT
+*Workflow: \`$GITHUB_WORKFLOW\`, Action: \`$GITHUB_ACTION\`*"
 else
-    # Remove "Refreshing state..." lines by only keeping output after the
-    # delimiter (72 dashes) that represents the end of the refresh stage.
-    # We do this to keep the comment output smaller.
-    if echo "$OUTPUT" | egrep '^-{72}$'; then
-        OUTPUT=$(echo "$OUTPUT" | sed -n -r '/-{72}/,/-{72}/{ /-{72}/d; p }')
-    fi
-
-    # Remove whitespace at the beginning of the line for added/modified/deleted
-    # resources so the diff markdown formatting highlights those lines.
-    OUTPUT=$(echo "$OUTPUT" | sed -r -e 's/^  \+/\+/g' | sed -r -e 's/^  ~/~/g' | sed -r -e 's/^  -/-/g')
-
     # Call wrap to optionally wrap our output in a collapsible markdown section.
     OUTPUT=$(wrap "$OUTPUT")
-
     COMMENT="#### \`terraform apply\` Success
-$OUTPUT"
+$OUTPUT
+*Workflow: \`$GITHUB_WORKFLOW\`, Action: \`$GITHUB_ACTION\`*"
 fi
 
 # Post the comment.

plan/entrypoint.sh

@@ -38,11 +38,8 @@ if [[ ! -z "$TF_ACTION_WORKSPACE" ]] && [[ "$TF_ACTION_WORKSPACE" != "default" ]
   terraform workspace select "$TF_ACTION_WORKSPACE"
 fi
 
-# Name the plan file based on selected workspace
-PLANFILE=${WORKSPACE}.tfplan
-
 set +e
-OUTPUT=$(sh -c "TF_IN_AUTOMATION=true terraform plan -no-color -input=false -out=$PLANFILE $*" 2>&1)
+OUTPUT=$(sh -c "TF_IN_AUTOMATION=true terraform plan -no-color -input=false $*" 2>&1)
 SUCCESS=$?
 echo "$OUTPUT"
 set -e