From 28c55aa1a8c82def2ffdb3e000812a5523371ac5 Mon Sep 17 00:00:00 2001
From: Patrick Spek <p.spek@tyil.nl>
Date: Fri, 10 Mar 2023 10:44:48 +0100
Subject: Add playbook_path()

---
 lib/util.bash | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

(limited to 'lib/util.bash')

diff --git a/lib/util.bash b/lib/util.bash
index e5dbc3f..489ccf1 100644
--- a/lib/util.bash
+++ b/lib/util.bash
@@ -112,7 +112,7 @@ fetch_http_wget() {
 # template, they are expected to be written as ${key}.
 file_template()
 {
-	local file="$BASHTARD_ETCDIR/playbooks.d/$BASHTARD_PLAYBOOK/share/$1" ; shift
+	local file="$(playbook_path "base")/share/$1" ; shift
 	local sedfile
 
 	sedfile="$(tmpfile)"
@@ -182,6 +182,24 @@ join_args() {
 	printf "%s" "$*"
 }
 
+# Convenience function to easily get paths used by the playbook, or to use in
+# your playbook.
+playbook_path() {
+	if [[ -z "$BASHTARD_PLAYBOOK" ]]
+	then
+		crit "bashtard/playbook_path" "Called outside of a playbook"
+		return 1
+	fi
+
+	case "$1" in
+		base) printf "$BASHTARD_ETCDIR/playbooks.d/$BASHTARD_PLAYBOOK" ;;
+		data) printf "$BASHTARD_ETCDIR/data.d/$BASHTARD_PLAYBOOK" ;;
+		*)
+			crit "bashtard/playbook_path" "Invalid path '$1'"
+			return 1
+	esac
+}
+
 # Create a temporary directory. Similar to tempfile, but you'll get a directory
 # instead.
 tmpdir() {
-- 
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