From 55c40da886833bd063a1b8f5abd70ba4708f1151 Mon Sep 17 00:00:00 2001
From: Akemi Izuko <akemi@noway.moe>
Date: Sun, 19 Feb 2023 18:39:08 -0700
Subject: [PATCH] New: systemd.timer for pushing bash history

---
 systemd/system/bash_eternal_push.service      |  9 ++++
 systemd/system/bash_eternal_push.timer        | 11 +++++
 .../template.bash_eternal_push.sh             | 45 +++++++++++++++++++
 3 files changed, 65 insertions(+)
 create mode 100644 systemd/system/bash_eternal_push.service
 create mode 100644 systemd/system/bash_eternal_push.timer
 create mode 100755 systemd/system/timer-scripts/template.bash_eternal_push.sh

diff --git a/systemd/system/bash_eternal_push.service b/systemd/system/bash_eternal_push.service
new file mode 100644
index 0000000..c61bb16
--- /dev/null
+++ b/systemd/system/bash_eternal_push.service
@@ -0,0 +1,9 @@
+[Unit]
+Description=Pushing bash history
+Wants=bash_eternal_push.timer
+
+[Service]
+User=root
+Group=root
+Type=oneshot
+ExecStart=/usr/local/bin/bash_eternal_push.sh
diff --git a/systemd/system/bash_eternal_push.timer b/systemd/system/bash_eternal_push.timer
new file mode 100644
index 0000000..68304ba
--- /dev/null
+++ b/systemd/system/bash_eternal_push.timer
@@ -0,0 +1,11 @@
+[Unit]
+Description=Pushing bash history
+Requires=bash_eternal_push.service
+
+[Timer]
+Unit=bash_eternal_push.service
+OnCalendar=*-*-* *:00/30
+RandomizedDelaySec=30min
+
+[Install]
+WantedBy=timers.target
diff --git a/systemd/system/timer-scripts/template.bash_eternal_push.sh b/systemd/system/timer-scripts/template.bash_eternal_push.sh
new file mode 100755
index 0000000..04536f8
--- /dev/null
+++ b/systemd/system/timer-scripts/template.bash_eternal_push.sh
@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+# Backup the .bash_eternal_history file of select users. Files should all be
+# named in the format
+#
+# ${hostname}_${user}_bash_hist
+
+# Remote is being read out of ${remote_user}'s .ssh/config
+# Do not leave a password on the ssh key! Use a restricted user instead
+
+declare -r remote=mirrorside
+declare -r remote_user=emiliko
+declare -r backup_p='/home/emiliko/safe/bash_eternal_backups'
+declare -ar backups=(\
+ /home/emiliko/.bash_eternal_history
+   "${backup_p}/waybook_emiliko_bash_hist"
+ /root/.bash_eternal_history
+   "${backup_p}/waybook_root_bash_hist"
+)
+
+# Check for internet
+if ! curl -m 3 archlinux.org &>/dev/null; then
+  echo "Failed to connect to archlinux.org in 3 seconds. No backup was made" >&2
+  exit 1
+fi
+
+# Make the directory
+sudo -u "$remote_user" bash <<CMD
+ssh "$remote" "mkdir -p ${backup_p}"
+CMD
+
+# Copy over the files
+for ((i = 0; i < ${#backups[@]}; i += 2)); do
+  declare from="${backups[i]}"
+  declare to="${backups[i+1]}"
+
+  # Make an open tmp file
+  declare tfile="$(mktemp)"
+  cp -f "$from" "$tfile"
+  chmod 666 "$tfile"
+
+  sudo -u "$remote_user" bash <<CMD
+scp "$tfile" "${remote}:${to}"
+echo "Sucessfully transfered ${to}"
+CMD
+done