Initial kosync-rs port

scripts/import-from-old-redis.sh

@@ -0,0 +1,71 @@
+#!/bin/sh
+set -eu
+
+OLD_CONTAINER=kosync
+SQLITE=./data/kosync.sqlite3
+IMAGE=kosync-rs:latest
+REDIS_URL=redis://127.0.0.1:6379/1
+PULL=1
+
+usage() {
+    echo "Usage: $0 [--old-container NAME] [--sqlite PATH] [--image IMAGE] [--redis-url URL] [--no-pull]" >&2
+}
+
+while [ "$#" -gt 0 ]; do
+    case "$1" in
+        --old-container)
+            OLD_CONTAINER=$2
+            shift 2
+            ;;
+        --sqlite)
+            SQLITE=$2
+            shift 2
+            ;;
+        --image)
+            IMAGE=$2
+            shift 2
+            ;;
+        --redis-url)
+            REDIS_URL=$2
+            shift 2
+            ;;
+        --no-pull)
+            PULL=0
+            shift
+            ;;
+        -h|--help)
+            usage
+            exit 0
+            ;;
+        *)
+            usage
+            exit 2
+            ;;
+    esac
+done
+
+case "$SQLITE" in
+    /*) SQLITE_ABS=$SQLITE ;;
+    *) SQLITE_ABS=$(pwd)/$SQLITE ;;
+esac
+
+SQLITE_DIR=$(dirname "$SQLITE_ABS")
+SQLITE_BASE=$(basename "$SQLITE_ABS")
+mkdir -p "$SQLITE_DIR"
+
+if [ "$PULL" -eq 1 ]; then
+    docker pull "$IMAGE"
+fi
+
+echo "image: $IMAGE"
+echo "old container: $OLD_CONTAINER"
+echo "redis url: $REDIS_URL"
+echo "sqlite: $SQLITE_ABS"
+
+docker run --rm \
+    --network "container:$OLD_CONTAINER" \
+    -v "$SQLITE_DIR:/data" \
+    "$IMAGE" \
+    import-redis \
+    --redis-url "$REDIS_URL" \
+    --db "/data/$SQLITE_BASE"