Make RC backup command cwd independent

backend/tests/test_rc_backup_restore_scripts.py

@@ -20,6 +20,8 @@ def test_backup_is_atomic_read_only_and_checksum_bound() -> None:
     assert "--no-owner" in script
     assert "CHECKSUMS.sha256" in script
     assert "database-password" not in script.lower()
+    assert 'git -C "$ROOT" rev-parse HEAD' in script
+    assert 'git -C "$ROOT" status --porcelain=v1' in script
     assert "mv \"$PARTIAL\" \"$FINAL\"" in script
     assert "rm -rf -- \"$PARTIAL\"" in script
     assert "DROP DATABASE" not in script

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