multiple backup destinations

1 files changed, 55 insertions, 15 deletions

diff --git a/backends/bup.sh b/backends/bup.sh
index 83e4e98..e51aaf1 100644
--- a/backends/bup.sh
+++ b/backends/bup.sh
@@ -1,23 +1,63 @@
-function create_bup_backup() {
-    BACKUP_DIR="mc-backups"
-    CUR_BACK_DIR="mc-backups/$CUR_YEAR"
-
-    if [ ! -d "$CUR_BACK_DIR" ]; then
-    mkdir -p "$CUR_BACK_DIR"
-    fi
+# use first not-remote backup directory as bup's local repository
+# defaults to ".bup"
+function bup_local() {
+    for BACKUP_DIR in ${BACKUP_DIRS[*]}
+    do
+        if [[ $BACKUP_DIR != *:* ]]; then
+            echo "$BACKUP_DIR"
+            return
+        fi
+    done
+    echo ".bup"
+}
 
-    bup -d "$CUR_BACK_DIR" index "$WORLD_NAME"
+function bup_init() {
+    bup -d "$(bup_local)" index "$WORLD_NAME"
     status=$?
-    if [ $status -eq 1 ]; then
-    bup -d "$CUR_BACK_DIR" init
-    bup -d "$CUR_BACK_DIR" index "$WORLD_NAME"
+    if [ $status -ne 0 ]; then
+        echo "bup: no local repo found, creating..."
+        bup -d "$(bup_local)" init -r "$(bup_local)"
+        echo "bup: created local repo at $(bup_local)"
     fi
+}
+
+function bup_create_backup() {
+    echo "bup: backup started"
+
+    bup -d "$(bup_local)" index "$WORLD_NAME"
 
-    bup -d "$CUR_BACK_DIR" save -n "$BACKUP_NAME" "$WORLD_NAME"
+    # 0 if saved to at least one non-local repository
+    RETCODE=1
+    for BACKUP_DIR in ${BACKUP_DIRS[*]}
+    do
+        echo "bup: backing up to \"$BACKUP_DIR\""
+        # try to save to remote
+        bup -d "$(bup_local)" save -r "$BACKUP_DIR" -n "$BACKUP_NAME" "$WORLD_NAME"
+        # if failed - reinit remote and try again
+        if [ ! $? -eq 0 ]; then
+            echo "bup: failed backing up to \"$BACKUP_DIR\", reinitializing remote..."
+            bup -d "$(bup_local)" init -r "$BACKUP_DIR"
+            if [ ! $? -eq 0 ]; then
+                echo "bup: created remote at \"$BACKUP_DIR\""
+                bup -d "$(bup_local)" save -r "$BACKUP_DIR" -n "$BACKUP_NAME" "$WORLD_NAME"
+            else
+                echo "bup: failed to make remote at \"$BACKUP_DIR\", moving on"
+            fi
+        else
+            if [ "$BACKUP_DIR" = "$(bup_local)" ]; then
+                RETCODE=0
+            fi
+        fi
+    done
 
-    echo "Backup using bup to $CUR_BACK_DIR is complete"
+    echo "bup: backup finished"
+    return $RETCODE
 }
 
-function ls_bup() {
-    bup -d "mc-backups/${CUR_YEAR}" ls "mc-sad-squad/$1"
+function bup_ls() {
+    for BACKUP_DIR in ${BACKUP_DIRS[*]}
+    do
+        echo "bup: backups in \"$BACKUP_DIR\":"
+        bup -d "$(bup_local)" ls -r "$BACKUP_DIR" --human-readable -l "$BACKUP_NAME"
+    done
 }