From 0402565f12623fb56da54e9a9a764edb39129186 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Sun, 17 May 2020 11:02:45 +0300
Subject: feat(template.sh): call cleanup functions if defined

---
 templates/bash/template.sh | 68 ++++++++++++++++++++++++++++++++++------------
 1 file changed, 51 insertions(+), 17 deletions(-)

diff --git a/templates/bash/template.sh b/templates/bash/template.sh
index c0a6e7e..bc6a51e 100644
--- a/templates/bash/template.sh
+++ b/templates/bash/template.sh
@@ -167,28 +167,62 @@ files_set "$filename" "$contents"
 ######################################
 # Scenario: {{ scenario.title }}
 scenario_{{ loop.index }}() {
-    local _title _scendir _step _name _text
+    local title scendir step name text ret cleanups steps
+    declare -a cleanups
+    declare -a steps
 
-    _title="$(decode_base64 '{{ scenario.title | base64 }}')"
-    echo "scenario: $_title"
+    title="$(decode_base64 '{{ scenario.title | base64 }}')"
+    echo "scenario: $title"
 
-    _scendir="$(mktemp -d -p "$_datadir")"
-    cd "$_scendir"
+    scendir="$(mktemp -d -p "$_datadir")"
+    cd "$scendir"
     ctx_new
+    cleanups[0]=''
+    steps[0]=''
+    ret=0
+    
     {% for step in scenario.steps %}
-    # Step: {{ step.text }}
-    _step="$(decode_base64 '{{ step.text | base64 }}')"
-    echo "  step: {{ step.kind | lower }} $_step"
-
-    cap_new
-    {% for part in step.parts %}{% if part.CapturedText is defined -%}
-    _name="$(decode_base64 '{{ part.CapturedText.name | base64 }}')"
-    _text="$(decode_base64 '{{ part.CapturedText.text | base64 }}')"
-    cap_set "$_name" "$_text"
-    {% endif -%}
-    {% endfor -%}
-    {{ step.function }}
+    if [ "$ret" = 0 ]
+    then
+	# Step: {{ step.text }}
+	step="{{ step.kind | lower }} $(decode_base64 '{{ step.text | base64 }}')"
+	echo "  step: $step"
+
+	cap_new
+	{% for part in step.parts %}{% if part.CapturedText is defined -%}
+	name="$(decode_base64 '{{ part.CapturedText.name | base64 }}')"
+	text="$(decode_base64 '{{ part.CapturedText.text | base64 }}')"
+	cap_set "$name" "$text"
+	{% endif -%}
+	{% endfor -%}
+	if {{ step.function }}
+	then
+	    cleanup='{{ step.cleanup }}'
+	    if [ "$cleanup" != "" ]
+	    then
+		{% raw %}
+		i=${#cleanups}
+                cleanups[$i]="$cleanup"
+                steps[$i]="$step"
+		{% endraw %}
+            fi
+        else
+	    ret=$?
+        fi
+    fi
     {% endfor %}
+
+    {% raw %}
+    echo "${!cleanups[*]}" | tr ' ' '\n' | tac | while read i
+    do
+	step="${steps[$i]}"
+	func="${cleanups[$i]}"
+	echo "  cleanup: $step"
+	$func
+    done
+    {% endraw %}
+
+    return $ret
 }
 {% endfor %}
 
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