From cad506a3d8097d42d116400a26dbe4897d598b81 Mon Sep 17 00:00:00 2001
From: Patrick Spek <p.spek@tyil.nl>
Date: Fri, 10 Mar 2023 10:32:18 +0100
Subject: Move the file_template function and add a comment

---
 lib/util.bash | 72 +++++++++++++++++++++++++++++++----------------------------
 1 file changed, 38 insertions(+), 34 deletions(-)

(limited to 'lib/util.bash')

diff --git a/lib/util.bash b/lib/util.bash
index 1e6854a..e5dbc3f 100644
--- a/lib/util.bash
+++ b/lib/util.bash
@@ -106,40 +106,10 @@ fetch_http_wget() {
 	wget --quiet --output-document "$2" "$1"
 }
 
-# Check if the first argument given appears in the list of all following
-# arguments.
-in_args() {
-	local needle="$1"
-	shift
-
-	for arg in "$@"
-	do
-		[[ $needle == "$arg" ]] && return 0
-	done
-
-	return 1
-}
-
-# Join a list of arguments into a single string. By default, this will join
-# using a ",", but you can set a different character using -c. Note that this
-# only joins with a single character, not a string of characters.
-join_args() {
-	local OPTIND
-	local IFS=","
-
-	while getopts ":c:" opt
-	do
-		case "$opt" in
-			c) IFS="$OPTARG" ;;
-			*) warn "bashtard/join_args" "Unused opt specified: $opt" ;;
-		esac
-	done
-
-	shift $(( OPTIND - 1))
-
-	printf "%s" "$*"
-}
-
+# A very simple means of templating a file, using sed and awk. The template
+# file is assumed to exist within the share directory of the current playbook.
+# Variables are passed as key=value pairs to this function. Inside the
+# template, they are expected to be written as ${key}.
 file_template()
 {
 	local file="$BASHTARD_ETCDIR/playbooks.d/$BASHTARD_PLAYBOOK/share/$1" ; shift
@@ -178,6 +148,40 @@ file_template()
 	sed -f "$sedfile" "$file"
 }
 
+# Check if the first argument given appears in the list of all following
+# arguments.
+in_args() {
+	local needle="$1"
+	shift
+
+	for arg in "$@"
+	do
+		[[ $needle == "$arg" ]] && return 0
+	done
+
+	return 1
+}
+
+# Join a list of arguments into a single string. By default, this will join
+# using a ",", but you can set a different character using -c. Note that this
+# only joins with a single character, not a string of characters.
+join_args() {
+	local OPTIND
+	local IFS=","
+
+	while getopts ":c:" opt
+	do
+		case "$opt" in
+			c) IFS="$OPTARG" ;;
+			*) warn "bashtard/join_args" "Unused opt specified: $opt" ;;
+		esac
+	done
+
+	shift $(( OPTIND - 1))
+
+	printf "%s" "$*"
+}
+
 # Create a temporary directory. Similar to tempfile, but you'll get a directory
 # instead.
 tmpdir() {
-- 
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