Handle more signals

Previously, we just handled sigint. Now we also trap sigterm, sigkill,
sigquit, and sighup. These will [hopefully] prevent data loss in the
event we receive unexpected signals.

Also removed a couple of messages that printed to stdout.

1 files changed, 3 insertions, 3 deletions

diff --git a/gpgsecure.sh b/gpgsecure.sh
index b9796c2..bcb974d 100755
--- a/gpgsecure.sh
+++ b/gpgsecure.sh
@@ -19,12 +19,12 @@
 export KEY=${KEY:-} # GPG key to encrypt the container with
 export DIR          # Directory path to present the gpg archive to
 export TMP          # Temp directory in memory to decrypt to
-trap shutdown SIGINT
+
+trap shutdown SIGINT SIGTERM SIGKILL SIGQUIT SIGHUP
+
 
 shutdown() {
-  printf '\nRe-encrypting for shutdown\n'
   tar -C "${TMP}" -c . | gpg -e --recipient "${KEY}" > "${DIR}.tar.gpg"
-  printf 'Shredding\n'
   # Shred all files in memory
   find "${TMP}" -type f -exec shred -n 100 -f -u "{}" \;
   # Delete the link