serdroid

import org.sonatype.nexus.repository.storage.Asset;
import org.sonatype.nexus.repository.storage.Component;
import org.sonatype.nexus.repository.storage.Query;
import org.sonatype.nexus.repository.storage.StorageFacet;
import org.sonatype.nexus.repository.storage.Query.Builder;
import groovy.json.JsonOutput;
import groovy.json.JsonSlurper;

def request = new JsonSlurper().parseText(args);
assert request.repoName: 'repoName parameter is required';

serdroid

- generate ssh key for gitlab-runner user
- add ssh key to project's deploy keys (project/setting/repository)

add below commands into script section of .gitlab-ci.yml file.
# CI_REPOSITORY_URL contains gitlab-ci-token. replace start of the string up to '@'  with git@' and append a ':' before first '/'
# example 
# CI_REPOSITORY_URL=https://gitlab-ci-token:[email protected]/gitlab-examples/ci-debug-trace.git
# should be [email protected]:/gitlab-examples/ci-debug-trace.git
    - export PUSH_REPO=$(echo "$CI_REPOSITORY_URL" | sed -e "s|.*@\(.*\)|git@\1|" -e "s|/|:/|" )

serdroid

# go to project directory in gitlab host machine
cd ~git/git-data/repositories/path/to/project/project.git

# make a directory named custom_hooks
mkdir custom_hooks
cd custom_hooks
cp /path/to/hook-file .
# put hook file into this directory
# and make it executable
chmod +x hook-file