From 37c6675a4fed08ade39b1b17d36950eed1841c12 Mon Sep 17 00:00:00 2001
From: Christian Wolf <git@christianwolf.email>
Date: Thu, 9 May 2024 13:38:42 +0200
Subject: [PATCH] Add some dry run checks

---
 bup-sync-trigger.sh | 33 ++++++++++++++++++++++++++++-----
 1 file changed, 28 insertions(+), 5 deletions(-)

diff --git a/bup-sync-trigger.sh b/bup-sync-trigger.sh
index 8730e19..f1e429b 100755
--- a/bup-sync-trigger.sh
+++ b/bup-sync-trigger.sh
@@ -3,6 +3,7 @@
 # Parse CLI and set options
 repoFile="$(dirname "$0")/repos"
 dryRun=''
+preventSleep=''
 
 varDir=/var/lib/bup-backup-trigger
 triggerFile="$varDir/trigger"
@@ -29,6 +30,9 @@ do
             rm -f "$lockFile"
             exit 0
             ;;
+        --no-sleep)
+            preventSleep=y
+            ;;
         --log)
             log="$2"
             shift
@@ -54,11 +58,11 @@ then
     exit 1
 fi
 
-if [ -f "$lockFile" ]
-then
-    echo "The lock file exists. Skipping for now ($(date))"
-    exit 0
-fi
+# if [ -f "$lockFile" ]
+# then
+#     echo "The lock file exists. Skipping for now ($(date))"
+#     exit 0
+# fi
 
 # Define the needed functions
 
@@ -97,6 +101,10 @@ triggerLiesInPast() {
     fi
 }
 
+getNextStart() {
+    date -d "@$(cat "$triggerFile")" "+%Y-%m-%d %H:%M"
+}
+
 if ! triggerLiesInPast
 then
     echo "The timestamp in the trigger event lies in the future. Waiting further."
@@ -119,6 +127,21 @@ done <<< $(cat "$repoFile" | grep -v '^#' | sed '/^\W*$/d')
 if [ -n "$dryRun" ]
 then
     echo "Not updating the trigger timestamp. The value would be $(getNextDate)."
+    echo "Sleep mode entry is skipped as well."
 else
     updateTriggerFile
+
+    if [ -n "$preventSleep" ]
+    then
+        echo "Not going to sleep as prevented by CLI argument"
+    else
+        if [ -f "$lockFile" ]
+        then
+            echo "Skipping sleeping due to lock file existence."
+        else
+            nextStart=$(getNextStart)
+            echo "Going to sleep until $nextStart"
+            rtcwake --mode disk --date "$nextStart"
+        fi
+    fi
 fi