ci: dryrun merge to agpl_main on nightly

Author: asaezper

.gitlab-ci.yml

@@ -371,6 +371,17 @@ promote code:
     - git push
   dependencies: []
 
+update agpl main dryrun:
+  extends: .update agpl main
+  stage: .post
+  rules:
+    - if: $CI_DESCRIPTION =~ /Nightly/
+      when: always
+      allow_failure: true
+      variables:
+        MODE: "dryrun"
+  needs: []
+
 ################################################################################
 # Enable / Disable pipelines
 ################################################################################

.gitlab/ci/release.yml

@@ -15,15 +15,13 @@ stages:
   - private
   - public
 
-update agpl main:
+.update agpl main:
   stage: private
-  rules:
-    - if: $ON_TAG
-      allow_failure: true
   interruptible: false
   variables:
     GIT_STRATEGY: none
     BRANCH: agpl_main
+    MODE: ""
   image: ubuntu:22.04
   before_script:
     - DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -y --no-install-recommends git git-lfs apt-transport-https ca-certificates
@@ -33,7 +31,14 @@ update agpl main:
     - git clone https://${CODEBOT_USERNAME}:${CODEBOT_TOKEN}@gitlab.com/${CI_PROJECT_NAMESPACE}/${CI_PROJECT_NAME}.git /${CI_PROJECT_NAME}
     - cd /${CI_PROJECT_NAME}
     - git fetch -q origin ${CI_COMMIT_SHA} && git checkout ${CI_COMMIT_SHA}
-    - .gitlab/ci/release/auto_merge.sh ${CI_COMMIT_SHA} ${BRANCH}
+    - .gitlab/ci/release/auto_merge.sh ${CI_COMMIT_SHA} ${BRANCH} ${MODE}
+
+update agpl main:
+  extends: .update agpl main
+  rules:
+    - if: $ON_TAG
+      variables:
+        MODE: "push"
 
 generate testvector tar gz:
   stage: private

.gitlab/ci/release/auto_merge.sh

@@ -115,14 +115,15 @@ update_headers() {
 
 main() {
     # Check number of args
-    if (($# != 2)); then
+    if [ $# != 2 ] && [ $# != 3 ]; then
         echo >&2 "Please call script with source branch and target branch as argument"
-        echo >&2 "E.g. ./auto_merge.sh <source_branch> <target_branch>"
+        echo >&2 "E.g. ./auto_merge.sh <source_branch> <target_branch> [dryrun]"
         exit 1
     fi
 
     local source_branch=$1
     local target_branch=$2
+    local mode="${3:-push}"
 
     # Checkout target branch
     git fetch -q origin "$target_branch"
@@ -151,7 +152,9 @@ main() {
     git commit -a -m "Adding AGPL copyright to new files"
 
     # Push
-    git push origin "$target_branch"
+    if [ "$mode" = "push" ]; then
+        git push origin "$target_branch"
+    fi
 }
 
 main "$@"