Make RC backup command cwd independent

scripts/backup_release_state.sh

@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
 CONTAINER="geointel"
 OUTPUT_ROOT="backups"
 RELEASE_ID="rc-$(date -u +%Y%m%dT%H%M%SZ)"
@@ -112,9 +113,9 @@ test -s "$PARTIAL/database.list"
 
 IMAGE_ID="$(docker inspect -f '{{.Image}}' "$CONTAINER")"
 IMAGE_NAME="$(docker inspect -f '{{.Config.Image}}' "$CONTAINER")"
-GIT_COMMIT="$(git rev-parse HEAD)"
+GIT_COMMIT="$(git -C "$ROOT" rev-parse HEAD)"
 GIT_DIRTY="false"
-if [ -n "$(git status --porcelain=v1)" ]; then
+if [ -n "$(git -C "$ROOT" status --porcelain=v1)" ]; then
   GIT_DIRTY="true"
 fi