From c1bd65a0a37cbed71e3dddfb8d3244c54e3a802c Mon Sep 17 00:00:00 2001
From: TheMightyV <themightyv@protonmail.com>
Date: Tue, 4 Jan 2022 20:00:50 +0100
Subject: local-ized and lower-cased local variables, descending sorting of
 snapshots, minor readability changes

---
 backends/borg.sh | 44 ++++++++++++++++++++++----------------------
 1 file changed, 22 insertions(+), 22 deletions(-)

(limited to 'backends/borg.sh')

diff --git a/backends/borg.sh b/backends/borg.sh
index f5930c8..0b28619 100644
--- a/backends/borg.sh
+++ b/backends/borg.sh
@@ -1,33 +1,33 @@
 function borg_init() {
     export BORG_PASSCOMMAND="$BACKUP_PASSCOMMAND"
-    for BACKUP_DIR in ${BACKUP_DIRS[*]}
+    for backup_dir in ${BACKUP_DIRS[*]}
     do
         # borg will check if repo exists
-        borg init --encryption=repokey-blake2 "$BACKUP_DIR"
+        borg init --encryption=repokey-blake2 "$backup_dir"
     done
 }
 
 function borg_create_backup() {
     export BORG_PASSCOMMAND="$BACKUP_PASSCOMMAND"
-    RETCODE=255
-    for BACKUP_DIR in ${BACKUP_DIRS[*]}
+    local retcode=255
+    for backup_dir in ${BACKUP_DIRS[*]}
     do
-        export BORG_REPO="$BACKUP_DIR"
+        export BORG_REPO="$backup_dir"
 
         trap 'echo $( date ) Backup interrupted >&2; exit 2' INT TERM
 
-        echo "borg: starting backup to \"$BACKUP_DIR\""
+        echo "borg: starting backup to \"$backup_dir\""
 
         borg create                         \
-            "${BACKUP_DIR}::${BACKUP_NAME}_$(date +'%F_%H-%M-%S')" \
+            "${backup_dir}::${BACKUP_NAME}_$(date +'%F_%H-%M-%S')" \
             "$WORLD_NAME"               \
             --filter AME                    \
             --compression lz4               \
             --exclude-caches                \
 
-            backup_exit=$?
+        local backup_exit=$?
 
-        echo "borg: pruning repository at \"$BACKUP_DIR\""
+        echo "borg: pruning repository at \"$backup_dir\""
 
         borg prune                          \
             --prefix '{hostname}-'          \
@@ -36,13 +36,13 @@ function borg_create_backup() {
             --keep-daily    7               \
             --keep-weekly   4               \
             --keep-monthly  6               \
-            "$BACKUP_DIR"
+            "$backup_dir"
 
-        prune_exit=$?
+        local prune_exit=$?
 
         # use highest exit code as global exit code
-        global_exit=$(( backup_exit > prune_exit ? backup_exit : prune_exit ))
-        RETCODE=$(( global_exit > RETCODE ? global_exit : RETCODE ))
+        local global_exit=$(( backup_exit > prune_exit ? backup_exit : prune_exit ))
+        retcode=$(( global_exit > retcode ? global_exit : retcode ))
 
         if [ ${global_exit} -eq 0 ]; then
             echo "borg: backup and prune finished successfully"
@@ -53,29 +53,29 @@ function borg_create_backup() {
         fi
         #exit ${global_exit}
     done
-    return $RETCODE
+    return $retcode
 }
 
 # server_restore relies on output format of this function
 function borg_ls_dir() {
     export BORG_PASSCOMMAND="$BACKUP_PASSCOMMAND"
-    borg list "$1" | cut -d' ' -f1
+    borg list "$1" | cut -d' ' -f1 | sort -r
 }
 
 function borg_ls_all() {
     export BORG_PASSCOMMAND="$BACKUP_PASSCOMMAND"
-    for BACKUP_DIR in ${BACKUP_DIRS[*]}
+    for backup_dir in ${BACKUP_DIRS[*]}
     do
-        echo "borg: backups in \"$BACKUP_DIR\":"
-        borg list "$BACKUP_DIR" | cut -d' ' -f1
+        echo "borg: backups in \"$backup_dir\":"
+        borg list "$backup_dir" | cut -d' ' -f1
     done
 }
 
 function borg_restore() {
     export BORG_PASSCOMMAND="$BACKUP_PASSCOMMAND"
-    REMOTE="$1"
-    SNAPSHOT="$2"
+    local remote="$1"
+    local snapshot="$2"
 
-    export BORG_REPO="$REMOTE"
-    borg extract "${REMOTE}::${SNAPSHOT}"
+    export BORG_REPO="$remote"
+    borg extract "${remote}::${snapshot}"
 }
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