Fix init-submodules-release.sh (#826)

Author: fabianbs96

utils/init-submodules-release.sh

@@ -1,20 +1,20 @@
 #!/bin/bash
+set -euo pipefail
 
-source ./safeCommandsSet.sh
+if (git submodule status 2>&1 || true) | grep -iq "fatal: Not a git repository (or any of the parent directories): .git"; then
+  pushd "$(dirname "$0")"/../external/
 
-if git submodule status 2>&1 | grep -iq "fatal: Not a git repository (or any of the parent directories): .git"; then
+  git clone --no-checkout https://github.com/nlohmann/json.git
+  pushd json/
+  git checkout v3.12.0
+  popd
 
-safe_cd "$(dirname "$0")"/../external/
+  git clone --no-checkout https://github.com/pboettch/json-schema-validator.git
+  pushd json-schema-validator/
+  git checkout 2.3.0
+  popd
 
-git clone --no-checkout https://github.com/nlohmann/json.git
-safe_cd json/
-git checkout v3.11.3
-safe_cd -
-
-git clone --no-checkout https://github.com/pboettch/json-schema-validator.git
-safe_cd json/
-git checkout 2.3.0
-safe_cd -
-
-else git submodule update --init;
+  popd
+else
+  git submodule update --init;
 fi