[Skip CI] document current state

.ci/check_if_build_was_already_uploaded

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -e
+
+check_directory_exists() {
+  local remote_dir="$1"
+
+  curl --output /dev/null --silent --head --fail "$remote_dir"
+}
+
+S3_URL="https://${S3_BUCKET}.s3.amazonaws.com/${S3_BUILD_DIRECTORY}/";
+if check_directory_exists "$S3_URL"; then
+  exit 1
+fi

.ci/upload.sh

@@ -1,15 +1,15 @@
 #!/bin/bash
 
-is_kasmvnc() {
+is_kasmvnc_package() {
   local package="$1";
 
-  echo "$package" | grep -q 'kasmvncserver_'
+  echo "$package" | grep -E -q 'kasmvncserver_|rpm'
 }
 
 function prepare_upload_filename() {
   local package="$1";
 
-  if ! is_kasmvnc "$package"; then
+  if ! is_kasmvnc_package "$package"; then
     export upload_filename="$package"
     return
   fi

.gitlab-ci.yml

@@ -6,11 +6,22 @@ variables:
   GITLAB_SHARED_DIND_DIR: /builds/$CI_PROJECT_PATH/shared
   GIT_SUBMODULE_STRATEGY: normal
   GIT_FETCH_EXTRA_FLAGS: --tags
+  # S3_BUILD_DIRECTORY: kasmvnc/${CI_COMMIT_SHA}
+  S3_BUILD_DIRECTORY: kasmvnc/159d7527955f131e096cf1602b7f9f66cc5d66cb
 
 stages:
+  - check_if_build_was_already_uploaded_for_the_commit
   - build
   - upload
 
+check_if_build_was_already_uploaded_for_the_commit:
+  stage: check_if_build_was_already_uploaded_for_the_commit
+  script:
+    - apk add bash
+    - apk add curl
+    # - TODO: Try uploading and fail if the file .lock exists.
+    - .ci/check_if_build_was_already_uploaded
+
 .prepare_build: &prepare_build
   - ls -l
   - pwd
@@ -112,7 +123,6 @@ upload:
   before_script:
     - . .ci/upload.sh
   script:
-    - export S3_BUILD_DIRECTORY="kasmvnc/${CI_COMMIT_SHA}"
     - prepare_to_run_scripts_and_s3_uploads
     - export RELEASE_VERSION=$(.ci/next_release_version "$CI_COMMIT_REF_NAME")
     - for package in `find output/ -type f -name '*.deb' -or -name '*.rpm'`; do