New: bash history emailing systemd.unit

systemd/system/bash_eternal_email.service

@@ -0,0 +1,9 @@
+[Unit]
+Description=Emailing bash history
+Wants=bash_eternal_email.timer
+
+[Service]
+User=root
+Group=root
+Type=oneshot
+ExecStart=/usr/local/bin/bash_eternal_email.sh

systemd/system/bash_eternal_email.timer

@@ -0,0 +1,11 @@
+[Unit]
+Description=Emailing bash history
+Requires=bash_eternal_email.service
+
+[Timer]
+Unit=bash_eternal_email.service
+OnCalendar=Fri *-*-* 22:00:00
+RandomizedDelaySec=30min
+
+[Install]
+WantedBy=timers.target

systemd/system/timer-scripts/template.bash_eternal_email.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+# Sends an encrypted email attachment of the bash eternal history directory
+
+declare -r backup_p=/home/emiliko/safe/bash_eternal_backups
+declare -r email_msg="$(mktemp)"
+declare -r encry_file="$(mktemp)"
+chmod 666 "$encry_file"
+
+sudo -u emiliko bash <<CMD
+cd "${backup_p}/.." || exit 1
+tar czf - "$(basename "$backup_p")" | gpg -e -r emiliko@mami2.moe > "$encry_file"
+CMD
+
+declare -r MIMEType="$(file --mime-type "$encry_file" | sed 's/.*: //')"
+declare -r attach_name="bash_full_backup_$(date +%s).tgz"
+
+cat <<EMAIL >"$email_msg"
+Dear Emiliko,
+
+I thought you might like a backup of your .bash_eternal_history files from all
+devices I can access. I used $(hostname) as a central repository to back them
+up. Hope you enjoy them!
+
+yours (truly),
+Systemd
+EMAIL
+
+curl --silent --ssl-reqd \
+  --url 'smtps://smtp.fastmail.com:465' \
+  --user 'emiliko%40mami2.moe:<password-here>' \
+  --mail-from "systemd@mami2.moe" \
+  --mail-rcpt 'emiliko@cs.ox.ac.uk' \
+  --mail-rcpt 'emiliko@mami2.moe' \
+  -F '=(;type=multipart/mixed' \
+  -F "=$(cat "$email_msg");type=text/plain" \
+  -F "file=@${encry_file};type=${MIMEType};encoder=base64" \
+  -F '=)' \
+  -H "From: Systemd-chan <systemd@mami2.moe>" \
+  -H "Subject: Your weekly bash backup" \
+  -H "To: Emiliko Mirror <emiliko@cs.ox.ac.uk>" \
+  -H "CC: Emiliko Mirror <emiliko@mami2.moe>" \
+  -H "Date: $(date)"