Add post on debugging with rr

preview.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+set -euo pipefail
+
+print_error() {
+cat >&2 <<-EOF
+Please create a .deploy_config with content:
+PREVIEW_HOST=[the host you rsync to]
+PREVIEW_DIR=some-subdomain
+PREVIEW=https://blah
+EOF
+}
+
+if [[ ! -e .deploy_config ]]; then
+    print_error
+    exit 1
+fi
+
+source ./.deploy_config
+
+if [[ -z "${PREVIEW_HOST:-}" || -z "${PREVIEW_DIR:-}" || -z "${PREVIEW:-}" ]]; then
+    print_error
+    exit 1
+fi
+
+PREVIEW_TEMP=/tmp/zola-preview
+
+rm -rf "$PREVIEW_TEMP"
+zola build --drafts --base-url "$PREVIEW" --output-dir "$PREVIEW_TEMP"
+
+# trailing slash: copy contents of directory into destination
+rsync --verbose --human-readable --recursive \
+    --links --times --new-compress --delete-delay \
+    ${EXTRA_OPTS_PREVIEW:-} "$PREVIEW_TEMP/" "${PREVIEW_HOST}:${PREVIEW_DIR}"