Avoid using string interpolation; use printf format strings instead.

This involves extending the signature of lib/common.sh's `stat_busy()`,
`lock()`, and `slock()`. The `mesg=$1; shift` in stat_busy even suggests
that this is what was originally intended from it.

1 files changed, 1 insertions, 1 deletions

diff --git a/archco.in b/archco.in
index 6088b8e..77cc8c4 100644
--- a/archco.in
+++ b/archco.in
@@ -6,7 +6,7 @@ m4_include(lib/common.sh)
 scriptname=${0##*/}
 
 if [[ -z $1 ]]; then
-	echo 'Usage: '$scriptname' <package name>...'
+	printf 'Usage: %s <package name>...\n' "$scriptname"
 	exit 1
 fi