From 8e714b29fea355a8f9bd3ffe0fd4faef2929f4d9 Mon Sep 17 00:00:00 2001
From: "flyingscorpio@arch-desktop" <tfranken@protonmail.com>
Date: Thu, 3 Sep 2020 13:32:55 +0200
Subject: [PATCH] Add stat section to backup pacman hook to avoid doing it more
 that once a day

---
 .../arch-desktop_borg.sh                             | 12 ++++++++++++
 borg_backup.hook => pacman_hooks/borg_backup.hook    |  2 +-
 pacman_hooks/new_orphan.hook                         | 11 +++++++++++
 3 files changed, 24 insertions(+), 1 deletion(-)
 rename arch-desktop_borg.sh => pacman_hooks/arch-desktop_borg.sh (86%)
 rename borg_backup.hook => pacman_hooks/borg_backup.hook (72%)
 create mode 100644 pacman_hooks/new_orphan.hook

diff --git a/arch-desktop_borg.sh b/pacman_hooks/arch-desktop_borg.sh
similarity index 86%
rename from arch-desktop_borg.sh
rename to pacman_hooks/arch-desktop_borg.sh
index 74c3826..f370326 100755
--- a/arch-desktop_borg.sh
+++ b/pacman_hooks/arch-desktop_borg.sh
@@ -1,5 +1,17 @@
 #!/bin/sh
 
+# We only want this file to be executed at most once per day, so we stat a cache
+# file before running the rest of the code
+cache_file='/home/flyingscorpio/.cache/borg_backup_hood_last_executed'
+if [ -f "$cache_file" ]; then
+  cache_stat=$(stat -c %y "$cache_file" | cut -d' ' -f1)
+  today=$(date +%Y-%m-%d)
+  if [ "$cache_stat" = "$today" ]; then
+    echo "The borg backup was already executed today" && exit 0
+  fi
+fi
+touch "$cache_file"
+
 # Setting this so the repo does not need to be given on the command line:
 BORG_REPO=ssh://flyingscorpio@2px.info:22/~/"$(hostname)".borg
 export BORG_REPO
diff --git a/borg_backup.hook b/pacman_hooks/borg_backup.hook
similarity index 72%
rename from borg_backup.hook
rename to pacman_hooks/borg_backup.hook
index 93d56e3..bc72001 100644
--- a/borg_backup.hook
+++ b/pacman_hooks/borg_backup.hook
@@ -8,5 +8,5 @@ Target = *
 [Action]
 Description = Run an update_to_lime2 script before every pacman transaction
 When = PreTransaction
-Exec = /bin/sh /home/flyingscorpio/SetupCockpit/arch-desktop_borg.sh
+Exec = /bin/sh /home/flyingscorpio/SetupCockpit/pacman_hooks/arch-desktop_borg.sh
 Depends = borg
diff --git a/pacman_hooks/new_orphan.hook b/pacman_hooks/new_orphan.hook
new file mode 100644
index 0000000..ed03a1c
--- /dev/null
+++ b/pacman_hooks/new_orphan.hook
@@ -0,0 +1,11 @@
+[Trigger]
+Operation = Install
+Operation = Upgrade
+Operation = Remove
+Type = Package
+Target = *
+
+[Action]
+Description = Notify if a transaction orphaned a package
+When = PostTransaction
+Exec = /usr/bin/bash -c "/usr/bin/pacman -Qtd || /usr/bin/echo '=> None found.'"