updated server.sh

Author: TheUnixDemon

src/borg/core.sh

@@ -11,5 +11,4 @@ if ! source "$borg_conf_file"; then
     exit 1
 fi
 
-# loading server script
-source "$BORG_WORKING_DIR/server.sh"
+source "$BORG_WORKING_DIR/server.sh" # borg server

src/borg/server.sh

@@ -1,4 +1,89 @@
 #!/bin/bash
 
 # === vars ===
-[[ -v BORG_RSH && -f "$SSH_KEYFILE" ]] && export BORG_RSH
+
+# borg repo
+if [[ -v BORG_REPO && -v BORG_PASSPHRASE ]]; then
+    export BORG_REPO
+    export BORG_PASSPHRASE
+else
+    echo "both vars *BORG_REPO* & *BORG_PASSPHRASE* have to be set"
+    exit 1
+fi
+
+# ssh auth
+if [[ -v BORG_RSH ]]; then
+    if [[ -f "$SSH_KEYFILE" ]]; then
+        export BORG_RSH
+    else
+        echo "*$SSH_KEYFILE* not found"
+        exit 1
+    fi  
+fi
+
+# mounting location; creates folder if not existing
+if [[ -v MOUNT_DIR && -n "$MOUNT_DIR" ]]; then
+    prefix="mounting location *$MOUNT_DIR* ... "
+    if [[ -d "$MOUNT_DIR" ]]; then
+        echo "$prefix" "exists"
+    else
+        if mkdir -p "$MOUNT_DIR"; then
+            echo "$prefix" "created"
+        else
+            echo "$prefix" "can't be created"
+            exit 1
+        fi
+    fi
+else
+    echo "var *MOUNT_DIR* have to be set"
+    exit 1
+fi
+
+# === pre func ===
+# checks if connection works
+validate_borg_conn() {
+    borg info 1> /dev/null && return 0
+    return 1
+}
+
+# checks if archives are there to recover from
+validate_borg_archive() {
+    borg list | grep -q . && return 0
+    return 1
+}
+
+# === post func ===
+# get archive (for now latest one)
+latest_borg_archive() {
+    latest=$(borg list --short | tail -n 1)
+    [[ -n "$latest" ]] && return 0
+    return 1
+}
+
+# === main ===
+prefix="repo: *$BORG_REPO* ... "
+# checks if connection is working
+if validate_borg_conn; then
+    echo "$prefix" "connection successful"
+else
+    echo "$prefix" "connection unsuccessful"
+    exit 1
+fi
+
+# checks if at least one archive is there
+if ! validate_borg_archive; then
+    echo "no archives can be found"
+    exit 1
+fi
+
+# gets latest archive
+prefix="archive: "
+latest=$(borg list --short | tail -n 1)
+if [[ -n "$latest" ]]; then
+    echo "$prefix" "$latest"
+else
+    echo "$prefix" "not found"
+    exit 1
+fi
+
+# makes