fix: make curl fail fast on HTTP error

Release.gitlab-ci.yml

@@ -70,13 +70,19 @@ handle_mr:
               --arg content "${CONTENT}" \
               --arg startBranch "${CI_DEFAULT_BRANCH}" \
               "${BODY_TMPL}")"
-    curl -s -X PUT \
+    # Check if CHANGELOG.md exists
+    if curl -sf --head \
       -H "Authorization: Bearer ${UNBOUND_RELEASE_TOKEN}" \
-      -H "Content-Type: application/json" \
-      --data "${BODY}" \
-        "https://gitlab.com/api/v4/projects/${CI_PROJECT_ID}/repository/files/CHANGELOG%2Emd"
-    if [ $? -ne 0 ]; then
-      curl -s -X POST \
+      "https://gitlab.com/api/v4/projects/${CI_PROJECT_ID}/repository/files/CHANGELOG%2Emd?ref=next-release"; then
+      # Exists => update
+        curl -sf -X PUT \
+          -H "Authorization: Bearer ${UNBOUND_RELEASE_TOKEN}" \
+          -H "Content-Type: application/json" \
+          --data "${BODY}" \
+            "https://gitlab.com/api/v4/projects/${CI_PROJECT_ID}/repository/files/CHANGELOG%2Emd"
+    else
+      # Not exists => create
+      curl -sf -X POST \
         -H "Authorization: Bearer ${UNBOUND_RELEASE_TOKEN}" \
         -H "Content-Type: application/json" \
         --data "${BODY}" \
@@ -85,7 +91,7 @@ handle_mr:
     if [ -n "${MR}" ]; then
       echo "Updating existing MR"
       echo "Rebasing branch"
-      curl -s -X PUT \
+      curl -sf -X PUT \
         -H "Authorization: Bearer ${UNBOUND_RELEASE_TOKEN}" \
         -H "Content-Type: application/json" \
         "https://gitlab.com/api/v4/projects/${CI_PROJECT_ID}/merge_requests/${MR}/rebase"
@@ -95,7 +101,7 @@ handle_mr:
               --arg title "${TITLE}" \
               --arg target "${CI_DEFAULT_BRANCH}" \
               "${BODY_TMPL}")
-      curl -s -X PUT \
+      curl -sf -X PUT \
         -H "Authorization: Bearer ${UNBOUND_RELEASE_TOKEN}" \
         -H "Content-Type: application/json" \
         --data "${BODY}" \
@@ -107,7 +113,7 @@ handle_mr:
               --arg title "${TITLE}" \
               --arg target "${CI_DEFAULT_BRANCH}" \
               "${BODY_TMPL}")
-      curl -s -X POST \
+      curl -sf -X POST \
         -H "Authorization: Bearer ${UNBOUND_RELEASE_TOKEN}" \
         -H "Content-Type: application/json" \
         --data "${BODY}" \
@@ -162,7 +168,7 @@ release:
               --arg message "${MESSAGE}" \
               --arg ref "${CI_DEFAULT_BRANCH}" \
               "${BODY_TMPL}")"
-    curl -s -X POST \
+    curl -sf -X POST \
       -H "Authorization: Bearer ${UNBOUND_RELEASE_TOKEN}" \
       -H "Content-Type: application/json" \
       --data "${BODY}" \