From 2833f12b1a6546ac73cfdac15ebe359039df42e7 Mon Sep 17 00:00:00 2001
From: Max Mehl <mail@mehl.mx>
Date: Sun, 12 Jan 2025 11:56:47 +0100
Subject: [PATCH] make log file destination configurable

---
 config.cfg.sample   |  3 +++
 uberspace-backup.sh | 11 +++++++++--
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/config.cfg.sample b/config.cfg.sample
index 9a2baeb..c3af97d 100644
--- a/config.cfg.sample
+++ b/config.cfg.sample
@@ -18,3 +18,6 @@ MAXBAK=3
 
 # SSH key
 #SSH_KEY="~/.ssh/mykey_rsa"
+
+# Logfile. Default: $CURDIR/backup.log
+# LOG_FILE=/var/log/uberspace-backup.log
diff --git a/uberspace-backup.sh b/uberspace-backup.sh
index 6c93e83..cabd9bc 100755
--- a/uberspace-backup.sh
+++ b/uberspace-backup.sh
@@ -15,6 +15,9 @@ set -Eeuo pipefail
 # Set correct UTF-8 encoding (for FreeBSD jail)
 export LC_ALL=en_US.UTF-8
 
+# Initialise variables
+LOG_FILE=
+
 CURDIR=$(dirname "$(readlink -f "$0")")
 if [ ! -e "$CURDIR"/config.cfg ]; then echo "Missing config.cfg file. Edit and rename config.cfg.sample"; exit 1; fi
 source "$CURDIR"/config.cfg
@@ -29,9 +32,13 @@ else
   SSH_KEY=~/.ssh/id_rsa
 fi
 
+if [ -z "${LOG_FILE}" ]; then
+  # defaults
+  LOG_FILE="$CURDIR"/backup.log
+fi
+
 # Get current date
 DATE=$(date +"%Y-%m-%d_%H-%M")
-LOG="$CURDIR"/backup.log
 
 function trim {
   sed -r -e 's/^[[:space:]]*//g' -e 's/[[:space:]]*$//g'
@@ -43,7 +50,7 @@ function pdate {
 function logecho {
   # Echo string and copy it to log while attaching the current date
   echo "$(pdate) $*"
-  echo "$(pdate) $*" >> "$LOG"
+  echo "$(pdate) $*" >> "$LOG_FILE"
 }
 
 # Loop over all hosts