Use a variable to store the keys directory path

Signed-off-by: Olivier Gayot <olivier.gayot@sigexec.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/sigexec.com-gen-dkim-key.sh b/sigexec.com-gen-dkim-key.sh
index d9aa9e1..3dae486 100755
--- a/sigexec.com-gen-dkim-key.sh
+++ b/sigexec.com-gen-dkim-key.sh
@@ -1,5 +1,9 @@
 #!/bin/bash
 
+# Debian uses the /etc/dkimkeys/ directory but the upstream recommends using
+# /var/db/dkim/.
+key_directory=/etc/dkimkeys/sigexec.com/
+
 if [ $# -lt 1 ]; then
     >&2 echo "Usage: $0 selector"
     exit 1
@@ -7,9 +11,9 @@ fi
 
 selector=$1
 
-mkdir --parents /etc/dkimkeys/sigexec.com/
+mkdir --parents -- "${key_directory}"
 opendkim-genkey \
-    -D /etc/dkimkeys/sigexec.com/ \
+    -D "${key_directory}" \
     -d sigexec.com \
     -s "$selector" \
     -r